2026-04-20 20:01:59 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-04-20 20:01:59 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2026-04-20 20:01:59 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-04-20 20:01:59 INFO ::casa 2026-04-20 20:01:59 INFO ::casa config values 2026-04-20 20:01:59 INFO ::casa agg = False 2026-04-20 20:01:59 INFO ::casa cachedir = '/home/casatest/.casa' 2026-04-20 20:01:59 INFO ::casa casaconfig_verbose = 1 2026-04-20 20:01:59 INFO ::casa colors = 'Neutral' 2026-04-20 20:01:59 INFO ::casa data_auto_update = False 2026-04-20 20:01:59 INFO ::casa data_update_interval = 1 2026-04-20 20:01:59 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-04-20 20:01:59 INFO ::casa iplog = False 2026-04-20 20:01:59 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/ipython-20260420-200154.log' 2026-04-20 20:01:59 INFO ::casa log2term = True 2026-04-20 20:01:59 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/casa-20260420-200154.log' 2026-04-20 20:01:59 INFO ::casa measures_auto_update = False 2026-04-20 20:01:59 INFO ::casa measures_site = ['https://www.astron.nl/iers/', 'https://go.nrao.edu/iers/'] 2026-04-20 20:01:59 INFO ::casa measures_site_interval = 2 2026-04-20 20:01:59 INFO ::casa measures_update_interval = 1 2026-04-20 20:01:59 INFO ::casa measurespath = '/opt/casa/data/master' 2026-04-20 20:01:59 INFO ::casa nogui = False 2026-04-20 20:01:59 INFO ::casa nologfile = False 2026-04-20 20:01:59 INFO ::casa nologger = True 2026-04-20 20:01:59 INFO ::casa pipeline = False 2026-04-20 20:01:59 INFO ::casa skipnetworkcheck = False 2026-04-20 20:01:59 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-04-20 20:01:59 INFO ::casa user_site = False 2026-04-20 20:01:59 INFO ::casa 2026-04-20 20:01:59 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-04-20 20:01:59 INFO ::casa measures version is unknown, this is probably a legacy version not installed by casaconfig 2026-04-20 20:01:59 INFO ::casa 2026-04-20 20:01:59 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-04-20 20:01:59 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/02/23/15:15, 2025/12/31/00:00:00 2026-04-20 20:01:59 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/02/23/15:15, 2025/12/31/00:00:00 2026-04-20 20:01:59 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/04/20/15:15, 2026/07/19/00:00:00 2026-04-20 20:01:59 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2026/03/27/15:15, 2017/01/01/00:00:00 Running tests... ---------------------------------------------------------------------- Using user configuration file /home/casatest/.casa/config.py No event loop hook running. Using matplotlib backend: agg CASA 6.7.5.18 -- Common Astronomy Software Applications [6.7.5.18] 2026-04-20 20:02:00 WARN ::casa The BOX parameter tests will cause errors to occur, do not be alarmed 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='-3,0,254,254', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:02:00 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:02:00 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:00 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ RuntimeError: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:00 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:00 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:00 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:01:59.921547 End time: 2026-04-20 20:01:59.953111 2026-04-20 20:02:00 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='0,-3,254,254', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:02:00 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:02:00 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:00 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ RuntimeError: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:00 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:00 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:00 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:01:59.955015 End time: 2026-04-20 20:01:59.965435 2026-04-20 20:02:00 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='-2,0,254,254', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:02:00 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:02:00 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:00 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ RuntimeError: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:00 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:00 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:00 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:01:59.967175 End time: 2026-04-20 20:01:59.976986 2026-04-20 20:02:00 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='0,-2,254,254', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:02:00 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:02:00 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:00 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ RuntimeError: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:00 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:00 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:00 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:01:59.978629 End time: 2026-04-20 20:01:59.987892 2026-04-20 20:02:00 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='0,0,256,254', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:00 INFO CasacRegionManager::_fromBCS dAxisNum0=0 dAxisNum1=1x=256 imShape[0]=256 y=254 imShape[1]=256 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:02:00 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:02:00 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:00 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ RuntimeError: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:00 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:00 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:00 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:01:59.989473 End time: 2026-04-20 20:01:59.998454 2026-04-20 20:02:00 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='0,0,254,256', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:00 INFO CasacRegionManager::_fromBCS dAxisNum0=0 dAxisNum1=1x=254 imShape[0]=256 y=256 imShape[1]=256 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:02:00 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:02:00 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:00 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ RuntimeError: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:00 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:00 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:00 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:01:59.999955 End time: 2026-04-20 20:02:00.013162 2026-04-20 20:02:00 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='0, 0,266,200', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:00 INFO CasacRegionManager::_fromBCS dAxisNum0=0 dAxisNum1=1x=266 imShape[0]=256 y=200 imShape[1]=256 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:02:00 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:02:00 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:00 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ RuntimeError: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:00 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:00 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:00 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:00.015189 End time: 2026-04-20 20:02:00.025431 2026-04-20 20:02:00 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='0,0,254,266', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:00 INFO CasacRegionManager::_fromBCS dAxisNum0=0 dAxisNum1=1x=254 imShape[0]=256 y=266 imShape[1]=256 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:02:00 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:02:00 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:00 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ RuntimeError: 2026-04-20 20:02:00 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:00 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:00 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:00 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:00.027144 End time: 2026-04-20 20:02:00.038141 2026-04-20 20:02:00 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO name:: No table opened. 2026-04-20 20:02:00 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:00 WARN immath::::casa The CHANS parameter tests will cause errors to occur, do not be alarmed 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='-5', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:00 SEVERE regionmanager::frombcs Exception Reported: Invalid channel specification in -5 of spec -5 at File: /source/casa6/casatools/src/code/imageanalysis/IO/ParameterParser.cc, line: 173 2026-04-20 20:02:00 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:00 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ RuntimeError: Invalid channel specification in -5 of spec -5 at File: /source/casa6/casatools/src/code/imageanalysis/IO/ParameterParser.cc, line: 173 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:00 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:00 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:00 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:00.344065 End time: 2026-04-20 20:02:00.357944 2026-04-20 20:02:00 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='-2', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:00 SEVERE regionmanager::frombcs Exception Reported: Invalid channel specification in -2 of spec -2 at File: /source/casa6/casatools/src/code/imageanalysis/IO/ParameterParser.cc, line: 173 2026-04-20 20:02:00 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:00 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ RuntimeError: Invalid channel specification in -2 of spec -2 at File: /source/casa6/casatools/src/code/imageanalysis/IO/ParameterParser.cc, line: 173 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:00 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:00 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:00 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:00.360093 End time: 2026-04-20 20:02:00.371401 2026-04-20 20:02:00 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='-18', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:00 SEVERE regionmanager::frombcs Exception Reported: Invalid channel specification in -18 of spec -18 at File: /source/casa6/casatools/src/code/imageanalysis/IO/ParameterParser.cc, line: 173 2026-04-20 20:02:00 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:00 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ RuntimeError: Invalid channel specification in -18 of spec -18 at File: /source/casa6/casatools/src/code/imageanalysis/IO/ParameterParser.cc, line: 173 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:00 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:00 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:00 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:00.373457 End time: 2026-04-20 20:02:00.383925 2026-04-20 20:02:00 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='47', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:00 SEVERE regionmanager::frombcs Exception Reported: Exception: Zero-based max channel 47 must be less than the total number of channels (46) in the channel specification 47. 2026-04-20 20:02:00 SEVERE regionmanager::frombcs+ ... thrown by static std::vector casa::ParameterParser::spectralRangesFromChans(casacore::uInt&, const casacore::String&, casacore::uInt) at File: /source/casa6/casatools/src/code/imageanalysis/IO/ParameterParser.cc, line: 183 2026-04-20 20:02:00 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:00 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ RuntimeError: Exception: Zero-based max channel 47 must be less than the total number of channels (46) in the channel specification 47. 2026-04-20 20:02:00 INFO immath::::casa+ ... thrown by static std::vector casa::ParameterParser::spectralRangesFromChans(casacore::uInt&, const casacore::String&, casacore::uInt) at File: /source/casa6/casatools/src/code/imageanalysis/IO/ParameterParser.cc, line: 183 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:00 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:00 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:00 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:00.385768 End time: 2026-04-20 20:02:00.395602 2026-04-20 20:02:00 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:00 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='46', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:00 SEVERE regionmanager::frombcs Exception Reported: Exception: Zero-based max channel 46 must be less than the total number of channels (46) in the channel specification 46. 2026-04-20 20:02:00 SEVERE regionmanager::frombcs+ ... thrown by static std::vector casa::ParameterParser::spectralRangesFromChans(casacore::uInt&, const casacore::String&, casacore::uInt) at File: /source/casa6/casatools/src/code/imageanalysis/IO/ParameterParser.cc, line: 183 2026-04-20 20:02:00 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:00 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:00 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ RuntimeError: Exception: Zero-based max channel 46 must be less than the total number of channels (46) in the channel specification 46. 2026-04-20 20:02:00 INFO immath::::casa+ ... thrown by static std::vector casa::ParameterParser::spectralRangesFromChans(casacore::uInt&, const casacore::String&, casacore::uInt) at File: /source/casa6/casatools/src/code/imageanalysis/IO/ParameterParser.cc, line: 183 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:00 INFO immath::::casa+ 2026-04-20 20:02:00 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:00 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:00 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:00 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:00 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:00 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:00 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:00 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:00.397348 End time: 2026-04-20 20:02:00.406543 2026-04-20 20:02:00 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:00 INFO immath::::casa ########################################## 2026-04-20 20:02:01 INFO name:: No table opened. 2026-04-20 20:02:01 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:01 INFO immath::::casa ########################################## 2026-04-20 20:02:01 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:01 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='input_test14', expr='A', varnames='A', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='22~35', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:01 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:01 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:02:01 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:01 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:01 INFO ImageRegion::fromRecord+ [0, 0, 0, 22] to [255, 255, 0, 35] (15:24:08.404, +04.31.59.181, I, 1.41332e+09Hz to 15:19:52.390, +05.35.44.246, I, 1.41364e+09Hz) 2026-04-20 20:02:01 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [256, 256, 1, 14] 2026-04-20 20:02:01 INFO ImageExprCalculator::_imagecalc Creating image `input_test14' of shape [256, 256, 1, 14] 2026-04-20 20:02:01 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:00.677101 End time: 2026-04-20 20:02:00.779862 2026-04-20 20:02:01 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:01 INFO immath::::casa ########################################## 2026-04-20 20:02:01 INFO immath::::casa ########################################## 2026-04-20 20:02:01 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:01 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='input_test15', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='0', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:01 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:01 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:02:01 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:01 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:01 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (15:24:08.404, +04.31.59.181, I, 1.41279e+09Hz to 15:19:52.390, +05.35.44.246, I, 1.41279e+09Hz) 2026-04-20 20:02:01 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [256, 256, 1, 1] 2026-04-20 20:02:01 INFO ImageExprCalculator::_imagecalc Creating image `input_test15' of shape [256, 256, 1, 1] 2026-04-20 20:02:01 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:00.781747 End time: 2026-04-20 20:02:00.849600 2026-04-20 20:02:01 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:01 INFO immath::::casa ########################################## 2026-04-20 20:02:01 INFO immath::::casa ########################################## 2026-04-20 20:02:01 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:01 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='input_test16', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='39', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:01 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:01 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:02:01 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:01 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:01 INFO ImageRegion::fromRecord+ [0, 0, 0, 39] to [255, 255, 0, 39] (15:24:08.404, +04.31.59.181, I, 1.41374e+09Hz to 15:19:52.390, +05.35.44.246, I, 1.41374e+09Hz) 2026-04-20 20:02:01 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [256, 256, 1, 1] 2026-04-20 20:02:01 INFO ImageExprCalculator::_imagecalc Creating image `input_test16' of shape [256, 256, 1, 1] 2026-04-20 20:02:01 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:00.851194 End time: 2026-04-20 20:02:00.915729 2026-04-20 20:02:01 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:01 INFO immath::::casa ########################################## 2026-04-20 20:02:01 INFO name:: No table opened. 2026-04-20 20:02:01 INFO showcache:: The Table Cache is empty. immath( imagename=ngc5921.clean.image, varnames='A', expr='A', chans='22~35', outfile='input_test14' ) .2026-04-20 20:02:01 WARN immath::::casa The STOKES parameter tests will cause errors to occur, do not be alarmed 2026-04-20 20:02:01 INFO immath::::casa ########################################## 2026-04-20 20:02:01 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:01 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='Q', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:01 SEVERE regionmanager::frombcs Exception Reported: LCBox::LCBox - blc [0, 0, 0, 0] must be <= trc [255, 255, -2147483648, 45] 2026-04-20 20:02:01 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:01 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:01 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:01 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:01 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:01 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:01 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:01 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:01 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:01 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:01 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:01 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:01 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:01 INFO immath::::casa+ RuntimeError: LCBox::LCBox - blc [0, 0, 0, 0] must be <= trc [255, 255, -2147483648, 45] 2026-04-20 20:02:01 INFO immath::::casa+ 2026-04-20 20:02:01 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:01 INFO immath::::casa+ 2026-04-20 20:02:01 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:01 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:01 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:01 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:01 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:01 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:01 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:01 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:01 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:01 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:01 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:01.190053 End time: 2026-04-20 20:02:01.204443 2026-04-20 20:02:01 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:01 INFO immath::::casa ########################################## 2026-04-20 20:02:01 INFO immath::::casa ########################################## 2026-04-20 20:02:01 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:01 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='immath_results.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='yellow', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:01 SEVERE CasacRegionManager::_setPolarizationRanges (Sub)String YELLOW in stokes specification part YELLOW does not match a known polarization. 2026-04-20 20:02:01 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:02:01 SEVERE CasacRegionManager::_setPolarizationRanges (Sub)String YELLOW in stokes specification part YELLOW does not match a known polarization. 2026-04-20 20:02:01 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:02:01 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:01 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:01 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:01 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:02:01 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:02:01 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:01 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:02:01 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:02:01 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:01 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 280, in frombcs 2026-04-20 20:02:01 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:02:01 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:01 INFO immath::::casa+ RuntimeError: 2026-04-20 20:02:01 SEVERE CasacRegionManager::_setPolarizationRanges (Sub)String YELLOW in stokes specification part YELLOW does not match a known polarization. 2026-04-20 20:02:01 INFO immath::::casa+ 2026-04-20 20:02:01 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:01 INFO immath::::casa+ 2026-04-20 20:02:01 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:01 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:01 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:01 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:01 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:01 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:01 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:01 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:01 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:01 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:02:01 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:01.206581 End time: 2026-04-20 20:02:01.218099 2026-04-20 20:02:01 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:01 INFO immath::::casa ########################################## 2026-04-20 20:02:01 INFO immath::::casa ########################################## 2026-04-20 20:02:01 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:01 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='input_test17', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='I', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:01 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:01 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:01 INFO CasacRegionManager::fromBCS Using polarizations I 2026-04-20 20:02:01 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:01 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 45] (15:24:08.404, +04.31.59.181, I, 1.41279e+09Hz to 15:19:52.390, +05.35.44.246, I, 1.41389e+09Hz) 2026-04-20 20:02:01 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [256, 256, 1, 46] 2026-04-20 20:02:01 INFO ImageExprCalculator::_imagecalc Creating image `input_test17' of shape [256, 256, 1, 46] 2026-04-20 20:02:01 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:01.220078 End time: 2026-04-20 20:02:01.349660 2026-04-20 20:02:01 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:01 INFO immath::::casa ########################################## 2026-04-20 20:02:01 INFO name:: No table opened. 2026-04-20 20:02:01 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:02 WARN immath::::casa The IMAGENAME parameter tests will cause errors to occur, do not be alarmed 2026-04-20 20:02:02 INFO immath::::casa ########################################## 2026-04-20 20:02:02 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:02 INFO immath::::casa immath( imagename='junk', mode='evalexpr', outfile='input_test1', expr='', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:02 SEVERE Exception Reported: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:02 SEVERE + ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:02 SEVERE immath::::casa Unable to process expression 2026-04-20 20:02:02 SEVERE immath::::casa Exception caught was: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:02 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:02 SEVERE immath::::casa Exception Reported: Error in immath: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:02 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:02 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:02 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:02 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:02 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:02 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 238, in immath 2026-04-20 20:02:02 INFO immath::::casa+ outia = _immath_dofull( 2026-04-20 20:02:02 INFO immath::::casa+ ^^^^^^^^^^^^^^^ 2026-04-20 20:02:02 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 476, in _immath_dofull 2026-04-20 20:02:02 INFO immath::::casa+ return _immath_compute( 2026-04-20 20:02:02 INFO immath::::casa+ ^^^^^^^^^^^^^^^^ 2026-04-20 20:02:02 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 409, in _immath_compute 2026-04-20 20:02:02 INFO immath::::casa+ res = myia.imagecalc( 2026-04-20 20:02:02 INFO immath::::casa+ ^^^^^^^^^^^^^^^ 2026-04-20 20:02:02 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/image.py", line 108, in imagecalc 2026-04-20 20:02:02 INFO immath::::casa+ return _wrap_image(swig_object=self._swigobj.imagecalc(outfile, pixels, overwrite, imagemd, prec)) 2026-04-20 20:02:02 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:02 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/image.py", line 305, in imagecalc 2026-04-20 20:02:02 INFO immath::::casa+ return _image.image_imagecalc(self, *args, **kwargs) 2026-04-20 20:02:02 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:02 INFO immath::::casa+ RuntimeError: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:02 INFO immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:02 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:01.615791 End time: 2026-04-20 20:02:01.623459 2026-04-20 20:02:02 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:02 INFO immath::::casa ########################################## 2026-04-20 20:02:02 INFO name:: No table opened. 2026-04-20 20:02:02 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:02 INFO immath::::casa ########################################## 2026-04-20 20:02:02 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:02 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='input_test2', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:02 INFO ImageExprCalculator::_imagecalc Creating image `input_test2' of shape [256, 256, 1, 46] 2026-04-20 20:02:02 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:01.852436 End time: 2026-04-20 20:02:01.902652 2026-04-20 20:02:02 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:02 INFO immath::::casa ########################################## 2026-04-20 20:02:02 INFO name:: No table opened. 2026-04-20 20:02:02 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:02 INFO immath::::casa ########################################## 2026-04-20 20:02:02 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:02 INFO immath::::casa immath( imagename=['ngc5921.clean.image', 3, 'n1333_both.image.rgn'], mode='evalexpr', outfile='input_test3', expr='', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:02 SEVERE Exception Reported: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:02 SEVERE + ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:02 SEVERE immath::::casa Unable to process expression 2026-04-20 20:02:02 SEVERE immath::::casa Exception caught was: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:02 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:02 SEVERE immath::::casa Exception Reported: Error in immath: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:02 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:02 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:02 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:02 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:02 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:02 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 238, in immath 2026-04-20 20:02:02 INFO immath::::casa+ outia = _immath_dofull( 2026-04-20 20:02:02 INFO immath::::casa+ ^^^^^^^^^^^^^^^ 2026-04-20 20:02:02 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 476, in _immath_dofull 2026-04-20 20:02:02 INFO immath::::casa+ return _immath_compute( 2026-04-20 20:02:02 INFO immath::::casa+ ^^^^^^^^^^^^^^^^ 2026-04-20 20:02:02 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 409, in _immath_compute 2026-04-20 20:02:02 INFO immath::::casa+ res = myia.imagecalc( 2026-04-20 20:02:02 INFO immath::::casa+ ^^^^^^^^^^^^^^^ 2026-04-20 20:02:02 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/image.py", line 108, in imagecalc 2026-04-20 20:02:02 INFO immath::::casa+ return _wrap_image(swig_object=self._swigobj.imagecalc(outfile, pixels, overwrite, imagemd, prec)) 2026-04-20 20:02:02 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:02 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/image.py", line 305, in imagecalc 2026-04-20 20:02:02 INFO immath::::casa+ return _image.image_imagecalc(self, *args, **kwargs) 2026-04-20 20:02:02 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:02 INFO immath::::casa+ RuntimeError: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:02 INFO immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:02 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:02.172983 End time: 2026-04-20 20:02:02.176670 2026-04-20 20:02:02 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:02 INFO immath::::casa ########################################## 2026-04-20 20:02:02 INFO name:: No table opened. 2026-04-20 20:02:02 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:02 INFO immath::::casa ########################################## 2026-04-20 20:02:02 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:02 INFO immath::::casa immath( imagename=['ngc5921.clean.image', 'n1333_both.image', 'n1333_both.image.rgn', '3C129BC.clean.image'], mode='evalexpr', outfile='input_test4', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:02 INFO ImageExprCalculator::_imagecalc Creating image `input_test4' of shape [256, 256, 1, 46] 2026-04-20 20:02:03 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:02.455471 End time: 2026-04-20 20:02:02.531512 2026-04-20 20:02:03 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:03 INFO immath::::casa ########################################## 2026-04-20 20:02:03 WARN immath::::casa The OUTFILE parameter tests will cause errors to occur, do not be alarmed 2026-04-20 20:02:03 INFO immath::::casa ########################################## 2026-04-20 20:02:03 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:03 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='input_test4', expr='IM0*1', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:03 SEVERE immath::::casa Unable to process expression IM0*1 2026-04-20 20:02:03 SEVERE immath::::casa Exception caught was: Output file input_test4 exists. immath can not proceed, please remove it or change the output file name. 2026-04-20 20:02:03 SEVERE immath::::casa Exception Reported: Error in immath: Output file input_test4 exists. immath can not proceed, please remove it or change the output file name. 2026-04-20 20:02:03 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:03 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:03 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:03 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:03 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 187, in immath 2026-04-20 20:02:03 INFO immath::::casa+ outfile = _immath_check_outfile(outfile) 2026-04-20 20:02:03 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:03 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 537, in _immath_check_outfile 2026-04-20 20:02:03 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:03 INFO immath::::casa+ Exception: Output file input_test4 exists. immath can not proceed, please remove it or change the output file name. 2026-04-20 20:02:03 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:02.533745 End time: 2026-04-20 20:02:02.535735 2026-04-20 20:02:03 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:03 INFO immath::::casa ########################################## 2026-04-20 20:02:03 INFO name:: No table opened. 2026-04-20 20:02:03 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:03 INFO immath::::casa ########################################## 2026-04-20 20:02:03 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:03 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='input_test5', expr='IM0*1', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:03 INFO ImageExprCalculator::_imagecalc Creating image `input_test5' of shape [256, 256, 1, 46] 2026-04-20 20:02:03 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:02.827261 End time: 2026-04-20 20:02:02.880231 2026-04-20 20:02:03 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:03 INFO immath::::casa ########################################## 2026-04-20 20:02:03 INFO name:: No table opened. 2026-04-20 20:02:03 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:03 WARN immath::::casa The REGION parameter tests will cause errors to occur, do not be alarmed 2026-04-20 20:02:03 INFO immath::::casa ########################################## 2026-04-20 20:02:03 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:03 INFO immath::::casa immath( imagename='n1333_both.image', mode='evalexpr', outfile='immath_results.im', expr='', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='garbage.rgn', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:03 SEVERE Exception Reported: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:03 SEVERE + ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:03 SEVERE immath::::casa Unable to process expression 2026-04-20 20:02:03 SEVERE immath::::casa Exception caught was: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:03 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:03 SEVERE immath::::casa Exception Reported: Error in immath: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:03 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:03 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:03 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:03 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:03 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:03 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 232, in immath 2026-04-20 20:02:03 INFO immath::::casa+ outia = _immath_compute( 2026-04-20 20:02:03 INFO immath::::casa+ ^^^^^^^^^^^^^^^^ 2026-04-20 20:02:03 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 409, in _immath_compute 2026-04-20 20:02:03 INFO immath::::casa+ res = myia.imagecalc( 2026-04-20 20:02:03 INFO immath::::casa+ ^^^^^^^^^^^^^^^ 2026-04-20 20:02:03 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/image.py", line 108, in imagecalc 2026-04-20 20:02:03 INFO immath::::casa+ return _wrap_image(swig_object=self._swigobj.imagecalc(outfile, pixels, overwrite, imagemd, prec)) 2026-04-20 20:02:03 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:03 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/image.py", line 305, in imagecalc 2026-04-20 20:02:03 INFO immath::::casa+ return _image.image_imagecalc(self, *args, **kwargs) 2026-04-20 20:02:03 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:03 INFO immath::::casa+ RuntimeError: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:03 INFO immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:03 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:03.159831 End time: 2026-04-20 20:02:03.162122 2026-04-20 20:02:03 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:03 INFO immath::::casa ########################################## 2026-04-20 20:02:03 INFO immath::::casa ########################################## 2026-04-20 20:02:03 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:03 INFO immath::::casa immath( imagename='n1333_both.image', mode='evalexpr', outfile='immath_results.im', expr='', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/garbage.rgn', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:03 SEVERE Exception Reported: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:03 SEVERE + ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:03 SEVERE immath::::casa Unable to process expression 2026-04-20 20:02:03 SEVERE immath::::casa Exception caught was: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:03 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:03 SEVERE immath::::casa Exception Reported: Error in immath: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:03 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:03 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:03 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:03 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:03 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:03 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 232, in immath 2026-04-20 20:02:03 INFO immath::::casa+ outia = _immath_compute( 2026-04-20 20:02:03 INFO immath::::casa+ ^^^^^^^^^^^^^^^^ 2026-04-20 20:02:03 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 409, in _immath_compute 2026-04-20 20:02:03 INFO immath::::casa+ res = myia.imagecalc( 2026-04-20 20:02:03 INFO immath::::casa+ ^^^^^^^^^^^^^^^ 2026-04-20 20:02:03 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/image.py", line 108, in imagecalc 2026-04-20 20:02:03 INFO immath::::casa+ return _wrap_image(swig_object=self._swigobj.imagecalc(outfile, pixels, overwrite, imagemd, prec)) 2026-04-20 20:02:03 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:03 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/image.py", line 305, in imagecalc 2026-04-20 20:02:03 INFO immath::::casa+ return _image.image_imagecalc(self, *args, **kwargs) 2026-04-20 20:02:03 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:03 INFO immath::::casa+ RuntimeError: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:02:03 INFO immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const std::string&, const std::string&, bool, const std::string&, const std::string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:02:03 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:03.163484 End time: 2026-04-20 20:02:03.165124 2026-04-20 20:02:03 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:03 INFO immath::::casa ########################################## 2026-04-20 20:02:03 INFO name:: No table opened. 2026-04-20 20:02:03 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:03 INFO immath::::casa ########################################## 2026-04-20 20:02:03 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:03 INFO immath::::casa immath( imagename='n1333_both.image', mode='evalexpr', outfile='input_test12', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='n1333_both.image.rgn', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:03 INFO CasacRegionManager::fromBCS Region read from binary region file n1333_both.image.rgn 2026-04-20 20:02:03 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:03 INFO ImageRegion::fromRecord+ [342, 394, 0, 0] to [383, 425, 0, 0] (03:28:57.661, +31.14.32.279, I, 4.34168e+10Hz to 03:28:56.063, +31.14.47.780, I, 4.34168e+10Hz) 2026-04-20 20:02:03 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [42, 32, 1, 1] 2026-04-20 20:02:03 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:02:03 INFO ImageExprCalculator::_imagecalc Creating image `input_test12' of shape [42, 32, 1, 1] 2026-04-20 20:02:03 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:02:03 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:03.390675 End time: 2026-04-20 20:02:03.496351 2026-04-20 20:02:03 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:03 INFO immath::::casa ########################################## 2026-04-20 20:02:04 INFO name:: No table opened. 2026-04-20 20:02:04 INFO showcache:: The Table Cache is empty. ARG immath( imagename=n1333_both.image, expr='IM0', region=n1333_both.image.rgn, outfile='input_test12' ) .2026-04-20 20:02:04 INFO immath::::casa ########################################## 2026-04-20 20:02:04 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:04 INFO immath::::casa immath( imagename='ngc5921.demo.cleanimg.image', mode='evalexpr', outfile='cas1830_out+0', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='22', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:04 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:04 INFO ImageRegion::fromRecord+ [0, 0, 0, 22] to [255, 255, 0, 22] (15:24:08.404, +04.31.59.181, I, 1.41332e+09Hz to 15:19:52.390, +05.35.44.246, I, 1.41332e+09Hz) 2026-04-20 20:02:04 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [256, 256, 1, 1] 2026-04-20 20:02:04 INFO ImageExprCalculator::_imagecalc Creating image `cas1830_out+0' of shape [256, 256, 1, 1] 2026-04-20 20:02:04 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:04.095383 End time: 2026-04-20 20:02:04.162466 2026-04-20 20:02:04 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:04 INFO immath::::casa ########################################## 2026-04-20 20:02:04 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/cas1830_out+0 2026-04-20 20:02:04 INFO immath::::casa ########################################## 2026-04-20 20:02:04 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:04 INFO immath::::casa immath( imagename='ngc5921.demo.cleanimg.image', mode='evalexpr', outfile='cas1830_out+1', expr="'ngc5921.demo.cleanimg.image'", varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='22', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:04 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:04 INFO ImageRegion::fromRecord+ [0, 0, 0, 22] to [255, 255, 0, 22] (15:24:08.404, +04.31.59.181, I, 1.41332e+09Hz to 15:19:52.390, +05.35.44.246, I, 1.41332e+09Hz) 2026-04-20 20:02:04 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [256, 256, 1, 1] 2026-04-20 20:02:04 INFO ImageExprCalculator::_imagecalc Creating image `cas1830_out+1' of shape [256, 256, 1, 1] 2026-04-20 20:02:04 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:04.170363 End time: 2026-04-20 20:02:04.224734 2026-04-20 20:02:04 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:04 INFO immath::::casa ########################################## 2026-04-20 20:02:04 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/cas1830_out+1 2026-04-20 20:02:04 INFO immath::::casa ########################################## 2026-04-20 20:02:04 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:04 INFO immath::::casa immath( imagename='', mode='evalexpr', outfile='cas1830_out+2', expr="'ngc5921.demo.cleanimg.image'", varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='22', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:04 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:04 INFO ImageRegion::fromRecord+ [0, 0, 0, 22] to [255, 255, 0, 22] (15:24:08.404, +04.31.59.181, I, 1.41332e+09Hz to 15:19:52.390, +05.35.44.246, I, 1.41332e+09Hz) 2026-04-20 20:02:04 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [256, 256, 1, 1] 2026-04-20 20:02:04 INFO ImageExprCalculator::_imagecalc Creating image `cas1830_out+2' of shape [256, 256, 1, 1] 2026-04-20 20:02:04 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:04.232572 End time: 2026-04-20 20:02:04.289154 2026-04-20 20:02:04 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:04 INFO immath::::casa ########################################## 2026-04-20 20:02:04 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/cas1830_out+2 2026-04-20 20:02:04 INFO immath::::casa ########################################## 2026-04-20 20:02:04 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:04 INFO immath::::casa immath( imagename='ngc5921.demo.cleanimg.image', mode='evalexpr', outfile='cas1830_out+3', expr='"ngc5921.demo.cleanimg.image"', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='22', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:04 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:04 INFO ImageRegion::fromRecord+ [0, 0, 0, 22] to [255, 255, 0, 22] (15:24:08.404, +04.31.59.181, I, 1.41332e+09Hz to 15:19:52.390, +05.35.44.246, I, 1.41332e+09Hz) 2026-04-20 20:02:04 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [256, 256, 1, 1] 2026-04-20 20:02:04 INFO ImageExprCalculator::_imagecalc Creating image `cas1830_out+3' of shape [256, 256, 1, 1] 2026-04-20 20:02:04 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:04.296734 End time: 2026-04-20 20:02:04.349424 2026-04-20 20:02:04 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:04 INFO immath::::casa ########################################## 2026-04-20 20:02:04 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/cas1830_out+3 2026-04-20 20:02:04 INFO immath::::casa ########################################## 2026-04-20 20:02:04 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:04 INFO immath::::casa immath( imagename='', mode='evalexpr', outfile='cas1830_out+4', expr='"ngc5921.demo.cleanimg.image"', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='22', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:02:04 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:04 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:04 INFO ImageRegion::fromRecord+ [0, 0, 0, 22] to [255, 255, 0, 22] (15:24:08.404, +04.31.59.181, I, 1.41332e+09Hz to 15:19:52.390, +05.35.44.246, I, 1.41332e+09Hz) 2026-04-20 20:02:04 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [256, 256, 1, 1] 2026-04-20 20:02:04 INFO ImageExprCalculator::_imagecalc Creating image `cas1830_out+4' of shape [256, 256, 1, 1] 2026-04-20 20:02:04 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:04.357385 End time: 2026-04-20 20:02:04.407868 2026-04-20 20:02:04 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:04 INFO immath::::casa ########################################## 2026-04-20 20:02:04 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/cas1830_out+4 2026-04-20 20:02:04 INFO name:: No table opened. 2026-04-20 20:02:04 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:05 INFO immath::::casa ########################################## 2026-04-20 20:02:05 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:05 INFO immath::::casa immath( imagename='CAS-1910.im', mode='evalexpr', outfile='cas-1910_out.im', expr='IM0*1', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='708,1158,1006,1456', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:05 INFO CasacRegionManager::fromBCS Using specified box(es) 708,1158,1006,1456 2026-04-20 20:02:05 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:05 INFO ImageRegion::fromRecord+ [708, 1158] to [1006, 1456] (00:21:06.752, +02.14.02.037 to 00:01:12.576, +07.13.08.708) 2026-04-20 20:02:05 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [299, 299] 2026-04-20 20:02:05 INFO ImageExprCalculator::_imagecalc Creating image `cas-1910_out.im' of shape [299, 299] 2026-04-20 20:02:05 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:04.612362 End time: 2026-04-20 20:02:04.654866 2026-04-20 20:02:05 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:05 INFO immath::::casa ########################################## 2026-04-20 20:02:05 INFO name:: No table opened. 2026-04-20 20:02:05 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:05 INFO immath::::casa ########################################## 2026-04-20 20:02:05 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:05 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='expr_test1', expr='IM0 * 2', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:05 INFO ImageExprCalculator::_imagecalc Creating image `expr_test1' of shape [256, 256, 1, 46] 2026-04-20 20:02:05 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:04.890492 End time: 2026-04-20 20:02:04.943092 2026-04-20 20:02:05 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:05 INFO immath::::casa ########################################## 2026-04-20 20:02:05 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/expr_test1 2026-04-20 20:02:05 INFO name:: No table opened. 2026-04-20 20:02:05 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:05 INFO immath::::casa ########################################## 2026-04-20 20:02:05 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:05 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='expr_test2', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='5', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:05 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:05 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:02:05 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:05 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:05 INFO ImageRegion::fromRecord+ [0, 0, 0, 5] to [255, 255, 0, 5] (15:24:08.404, +04.31.59.181, I, 1.41291e+09Hz to 15:19:52.390, +05.35.44.246, I, 1.41291e+09Hz) 2026-04-20 20:02:05 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [256, 256, 1, 1] 2026-04-20 20:02:05 INFO ImageExprCalculator::_imagecalc Creating image `expr_test2' of shape [256, 256, 1, 1] 2026-04-20 20:02:05 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:05.431188 End time: 2026-04-20 20:02:05.495559 2026-04-20 20:02:05 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:05 INFO immath::::casa ########################################## 2026-04-20 20:02:06 INFO name:: No table opened. 2026-04-20 20:02:06 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:06 INFO immath::::casa ########################################## 2026-04-20 20:02:06 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:06 INFO immath::::casa immath( imagename='ngc5921.clean.image', mode='evalexpr', outfile='expr_test2', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='5', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:06 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:06 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:02:06 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:06 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:06 INFO ImageRegion::fromRecord+ [0, 0, 0, 5] to [255, 255, 0, 5] (15:24:08.404, +04.31.59.181, I, 1.41291e+09Hz to 15:19:52.390, +05.35.44.246, I, 1.41291e+09Hz) 2026-04-20 20:02:06 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [256, 256, 1, 1] 2026-04-20 20:02:06 INFO ImageExprCalculator::_imagecalc Creating image `expr_test2' of shape [256, 256, 1, 1] 2026-04-20 20:02:06 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:05.775465 End time: 2026-04-20 20:02:05.838516 2026-04-20 20:02:06 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:06 INFO immath::::casa ########################################## 2026-04-20 20:02:06 INFO immath::::casa ########################################## 2026-04-20 20:02:06 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:06 INFO immath::::casa immath( imagename=['expr_test2', 'ngc5921.clean.image'], mode='evalexpr', outfile='expr_test3', expr='IM0+IM1', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:06 INFO ImageExprCalculator::_imagecalc Creating image `expr_test3' of shape [256, 256, 1, 46] 2026-04-20 20:02:06 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:05.839616 End time: 2026-04-20 20:02:05.899115 2026-04-20 20:02:06 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:06 INFO immath::::casa ########################################## 2026-04-20 20:02:06 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/expr_test3 2026-04-20 20:02:06 INFO name:: No table opened. 2026-04-20 20:02:06 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:06 INFO immath::::casa ########################################## 2026-04-20 20:02:06 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:06 INFO immath::::casa immath( imagename=['immath0.im', 'immath1.im', 'immath2.im', 'immath3.im', 'immath4.im', 'immath5.im', 'immath6.im', 'immath7.im', 'immath8.im', 'immath9.im', 'immath10.im'], mode='evalexpr', outfile='full_image_sum.im', expr='IM0+IM1+IM2+IM3+IM4+IM5+IM6+IM7+IM8+IM9+IM10', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:07 INFO ImageExprCalculator::_imagecalc Creating image `full_image_sum.im' of shape [2, 2] 2026-04-20 20:02:07 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:06.441084 End time: 2026-04-20 20:02:06.544279 2026-04-20 20:02:07 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:07 INFO immath::::casa ########################################## 2026-04-20 20:02:07 INFO immath::::casa ########################################## 2026-04-20 20:02:07 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:07 INFO immath::::casa immath( imagename=['immath0.im', 'immath1.im', 'immath2.im', 'immath3.im', 'immath4.im', 'immath5.im', 'immath6.im', 'immath7.im', 'immath8.im', 'immath9.im', 'immath10.im'], mode='evalexpr', outfile='subimage_sum.im', expr='IM0+IM1+IM2+IM3+IM4+IM5+IM6+IM7+IM8+IM9+IM10', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='0,0,0,0', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:07 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:07 INFO ImageRegion::fromRecord+ [0, 0] to [0, 0] (00:00:04.000, -00.01.00.000 to 00:00:04.000, -00.01.00.000) 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [1, 1] 2026-04-20 20:02:07 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:07 INFO ImageRegion::fromRecord+ [0, 0] to [0, 0] (00:00:04.000, -00.01.00.000 to 00:00:04.000, -00.01.00.000) 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_1' of shape [1, 1] 2026-04-20 20:02:07 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:07 INFO ImageRegion::fromRecord+ [0, 0] to [0, 0] (00:00:04.000, -00.01.00.000 to 00:00:04.000, -00.01.00.000) 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_2' of shape [1, 1] 2026-04-20 20:02:07 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:07 INFO ImageRegion::fromRecord+ [0, 0] to [0, 0] (00:00:04.000, -00.01.00.000 to 00:00:04.000, -00.01.00.000) 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_3' of shape [1, 1] 2026-04-20 20:02:07 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:07 INFO ImageRegion::fromRecord+ [0, 0] to [0, 0] (00:00:04.000, -00.01.00.000 to 00:00:04.000, -00.01.00.000) 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_4' of shape [1, 1] 2026-04-20 20:02:07 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:07 INFO ImageRegion::fromRecord+ [0, 0] to [0, 0] (00:00:04.000, -00.01.00.000 to 00:00:04.000, -00.01.00.000) 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_5' of shape [1, 1] 2026-04-20 20:02:07 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:07 INFO ImageRegion::fromRecord+ [0, 0] to [0, 0] (00:00:04.000, -00.01.00.000 to 00:00:04.000, -00.01.00.000) 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_6' of shape [1, 1] 2026-04-20 20:02:07 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:07 INFO ImageRegion::fromRecord+ [0, 0] to [0, 0] (00:00:04.000, -00.01.00.000 to 00:00:04.000, -00.01.00.000) 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_7' of shape [1, 1] 2026-04-20 20:02:07 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:07 INFO ImageRegion::fromRecord+ [0, 0] to [0, 0] (00:00:04.000, -00.01.00.000 to 00:00:04.000, -00.01.00.000) 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_8' of shape [1, 1] 2026-04-20 20:02:07 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:07 INFO ImageRegion::fromRecord+ [0, 0] to [0, 0] (00:00:04.000, -00.01.00.000 to 00:00:04.000, -00.01.00.000) 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_9' of shape [1, 1] 2026-04-20 20:02:07 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:07 INFO ImageRegion::fromRecord+ [0, 0] to [0, 0] (00:00:04.000, -00.01.00.000 to 00:00:04.000, -00.01.00.000) 2026-04-20 20:02:07 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_10' of shape [1, 1] 2026-04-20 20:02:07 INFO ImageExprCalculator::_imagecalc Creating image `subimage_sum.im' of shape [1, 1] 2026-04-20 20:02:07 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:06.549433 End time: 2026-04-20 20:02:06.894307 2026-04-20 20:02:07 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:07 INFO immath::::casa ########################################## 2026-04-20 20:02:07 INFO name:: No table opened. 2026-04-20 20:02:07 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:07 INFO immath::::casa ########################################## 2026-04-20 20:02:07 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:07 INFO immath::::casa immath( imagename='CAS-1452-1.im', mode='evalexpr', outfile='cas-1452_out_sin.im', expr="sin('CAS-1452-1.im')", varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:07 INFO ImageExprCalculator::_imagecalc Creating image `cas-1452_out_sin.im' of shape [2048, 2048] 2026-04-20 20:02:08 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:07.442110 End time: 2026-04-20 20:02:07.580729 2026-04-20 20:02:08 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:08 INFO immath::::casa ########################################## 2026-04-20 20:02:08 INFO immath::::casa ########################################## 2026-04-20 20:02:08 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:08 INFO immath::::casa immath( imagename='CAS-1452-1.im', mode='evalexpr', outfile='cas-1452_out_SIN.im', expr="SIN('CAS-1452-1.im')", varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:08 INFO ImageExprCalculator::_imagecalc Creating image `cas-1452_out_SIN.im' of shape [2048, 2048] 2026-04-20 20:02:08 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:07.744856 End time: 2026-04-20 20:02:07.836385 2026-04-20 20:02:08 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:08 INFO immath::::casa ########################################## 2026-04-20 20:02:08 INFO immath::::casa ########################################## 2026-04-20 20:02:08 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:08 INFO immath::::casa immath( imagename='CAS-1452-1.im', mode='evalexpr', outfile='cas-1452_out_Sin.im', expr="Sin('CAS-1452-1.im')", varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:08 INFO ImageExprCalculator::_imagecalc Creating image `cas-1452_out_Sin.im' of shape [2048, 2048] 2026-04-20 20:02:08 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:08.006571 End time: 2026-04-20 20:02:08.146654 2026-04-20 20:02:08 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:08 INFO immath::::casa ########################################## 2026-04-20 20:02:08 INFO name:: No table opened. 2026-04-20 20:02:08 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:09 INFO name:: No table opened. 2026-04-20 20:02:09 INFO showcache:: The Table Cache is empty. 2026-04-20 20:02:09 INFO immath::::casa ########################################## 2026-04-20 20:02:09 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:09 INFO immath::::casa immath( imagename='3C129BC.clean.image', mode='evalexpr', outfile='pol_test_I.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='I', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:09 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:09 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:09 INFO CasacRegionManager::fromBCS Using polarizations I 2026-04-20 20:02:09 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:09 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [2047, 2047, 0, 0] (04:46:00.576, +44.50.12.522, I, 4.73486e+09Hz to 04:45:02.756, +45.00.26.622, I, 4.73486e+09Hz) 2026-04-20 20:02:09 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [2048, 2048, 1, 1] 2026-04-20 20:02:09 INFO ImageExprCalculator::_imagecalc Creating image `pol_test_I.im' of shape [2048, 2048, 1, 1] 2026-04-20 20:02:09 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:08.515856 End time: 2026-04-20 20:02:08.730459 2026-04-20 20:02:09 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:09 INFO immath::::casa ########################################## 2026-04-20 20:02:09 INFO immath::::casa ########################################## 2026-04-20 20:02:09 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:09 INFO immath::::casa immath( imagename='3C129BC.clean.image', mode='evalexpr', outfile='pol_test_Q.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='Q', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:09 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:09 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:09 INFO CasacRegionManager::fromBCS Using polarizations Q 2026-04-20 20:02:09 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:09 INFO ImageRegion::fromRecord+ [0, 0, 1, 0] to [2047, 2047, 1, 0] (04:46:00.576, +44.50.12.522, Q, 4.73486e+09Hz to 04:45:02.756, +45.00.26.622, Q, 4.73486e+09Hz) 2026-04-20 20:02:09 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [2048, 2048, 1, 1] 2026-04-20 20:02:09 INFO ImageExprCalculator::_imagecalc Creating image `pol_test_Q.im' of shape [2048, 2048, 1, 1] 2026-04-20 20:02:09 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:08.731754 End time: 2026-04-20 20:02:08.906104 2026-04-20 20:02:09 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:09 INFO immath::::casa ########################################## 2026-04-20 20:02:09 INFO immath::::casa ########################################## 2026-04-20 20:02:09 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:09 INFO immath::::casa immath( imagename='3C129BC.clean.image', mode='evalexpr', outfile='pol_test_U.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='U', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:09 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:09 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:09 INFO CasacRegionManager::fromBCS Using polarizations U 2026-04-20 20:02:09 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:09 INFO ImageRegion::fromRecord+ [0, 0, 2, 0] to [2047, 2047, 2, 0] (04:46:00.576, +44.50.12.522, U, 4.73486e+09Hz to 04:45:02.756, +45.00.26.622, U, 4.73486e+09Hz) 2026-04-20 20:02:09 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [2048, 2048, 1, 1] 2026-04-20 20:02:09 INFO ImageExprCalculator::_imagecalc Creating image `pol_test_U.im' of shape [2048, 2048, 1, 1] 2026-04-20 20:02:09 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:08.908380 End time: 2026-04-20 20:02:09.121284 2026-04-20 20:02:09 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:09 INFO immath::::casa ########################################## 2026-04-20 20:02:09 INFO immath::::casa ########################################## 2026-04-20 20:02:09 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:09 INFO immath::::casa immath( imagename='3C129BC.clean.image', mode='evalexpr', outfile='pol_test_V.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='V', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:09 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:09 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:09 INFO CasacRegionManager::fromBCS Using polarizations V 2026-04-20 20:02:09 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:09 INFO ImageRegion::fromRecord+ [0, 0, 3, 0] to [2047, 2047, 3, 0] (04:46:00.576, +44.50.12.522, V, 4.73486e+09Hz to 04:45:02.756, +45.00.26.622, V, 4.73486e+09Hz) 2026-04-20 20:02:09 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [2048, 2048, 1, 1] 2026-04-20 20:02:09 INFO ImageExprCalculator::_imagecalc Creating image `pol_test_V.im' of shape [2048, 2048, 1, 1] 2026-04-20 20:02:09 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:09.122737 End time: 2026-04-20 20:02:09.256928 2026-04-20 20:02:09 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:09 INFO immath::::casa ########################################## 2026-04-20 20:02:09 INFO immath::::casa ########################################## 2026-04-20 20:02:09 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:09 INFO immath::::casa immath( imagename=['pol_test_Q.im', 'pol_test_U.im', 'pol_test_V.im'], mode='poli', outfile='pol_test1', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:09 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:02:09 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 3 2026-04-20 20:02:09 INFO SubImageFactory::createImage Creating image '_immath_tmp7359__concat_for_poli' of shape [2048, 2048, 3, 1] 2026-04-20 20:02:10 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:10 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:10 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:10 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:10 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [2047, 2047, 2, 0] (04:46:00.576, +44.50.12.522, Q, 4.73486e+09Hz to 04:45:02.756, +45.00.26.622, V, 4.73486e+09Hz) 2026-04-20 20:02:10 INFO SubImageFactory::createImage Creating image 'pol_test1' of shape [2048, 2048, 1, 1] 2026-04-20 20:02:10 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:09.258238 End time: 2026-04-20 20:02:09.900057 2026-04-20 20:02:10 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:10 INFO immath::::casa ########################################## 2026-04-20 20:02:10 INFO immath::::casa ########################################## 2026-04-20 20:02:10 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:10 INFO immath::::casa immath( imagename=['pol_test_Q.im', 'pol_test_U.im'], mode='poli', outfile='linear_pol_intensity_test', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:10 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:02:10 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:02:10 INFO SubImageFactory::createImage Creating image '_immath_tmp7359__concat_for_poli' of shape [2048, 2048, 2, 1] 2026-04-20 20:02:10 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:10 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:10 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:10 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:10 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [2047, 2047, 1, 0] (04:46:00.576, +44.50.12.522, Q, 4.73486e+09Hz to 04:45:02.756, +45.00.26.622, U, 4.73486e+09Hz) 2026-04-20 20:02:10 INFO SubImageFactory::createImage Creating image 'linear_pol_intensity_test' of shape [2048, 2048, 1, 1] 2026-04-20 20:02:10 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:09.909456 End time: 2026-04-20 20:02:10.373775 2026-04-20 20:02:10 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:10 INFO immath::::casa ########################################## 2026-04-20 20:02:10 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/linear_pol_intensity_test 2026-04-20 20:02:10 INFO immath::::casa ########################################## 2026-04-20 20:02:10 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:10 INFO immath::::casa immath( imagename=['pol_test_Q.im', 'pol_test_U.im'], mode='pola', outfile='pol_test2', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:10 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:02:10 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:02:10 INFO SubImageFactory::createImage Creating image '_immath_tmp7359__concat_for_pola' of shape [2048, 2048, 2, 1] 2026-04-20 20:02:11 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:11 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:11 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:11 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:11 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [2047, 2047, 1, 0] (04:46:00.576, +44.50.12.522, Q, 4.73486e+09Hz to 04:45:02.756, +45.00.26.622, U, 4.73486e+09Hz) 2026-04-20 20:02:11 INFO SubImageFactory::createImage Creating image 'pol_test2' of shape [2048, 2048, 1, 1] 2026-04-20 20:02:11 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:10.391039 End time: 2026-04-20 20:02:11.043895 2026-04-20 20:02:11 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:11 INFO immath::::casa ########################################## 2026-04-20 20:02:11 INFO name:: No table opened. 2026-04-20 20:02:11 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:12 INFO ImageFactory::createImage Created Paged image 'im.1' of shape [8, 12] with float valued pixels. 2026-04-20 20:02:12 INFO ImageFactory::createImage Created Paged image 'im.2' of shape [8, 12] with float valued pixels. 2026-04-20 20:02:12 INFO ImageExprCalculator::_imagecalc Creating image `ex1.1' of shape [8, 12] 2026-04-20 20:02:12 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:12 INFO ImageRegion::fromRecord+ [2, 3] to [5, 8] (00:00:08.000, -00.03.00.000 to 23:59:56.000, +00.02.00.000) 2026-04-20 20:02:12 INFO ImageExprCalculator::_imagecalc Creating image `im.4' of shape [8, 12] 2026-04-20 20:02:12 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:02:12 SEVERE image::close (file src/tools/image/image_cmpt.cc, line 693) Exception Reported: ImageExprParse: 'im..2' is an unknown lattice, image, or region 2026-04-20 20:02:12 SEVERE image::close (file src/tools/image/image_cmpt.cc, line 693)+ Scanned so far: "im.1"+"im..2" 2026-04-20 20:02:12 SEVERE image::close (file src/tools/image/image_cmpt.cc, line 693) Exception Reported: 3-argument function max is unknown 2026-04-20 20:02:12 SEVERE image::close (file src/tools/image/image_cmpt.cc, line 693)+ Scanned so far: "im.2" - max("im.1", "im.2", "im.1") 2026-04-20 20:02:12 INFO name:: No table opened. 2026-04-20 20:02:12 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:12 SEVERE image::close (file src/tools/image/image_cmpt.cc, line 693) Exception Reported: ImageExprParse: 'i_like_doggies' is an unknown lattice or image or it is an unqualified region 2026-04-20 20:02:12 SEVERE image::close (file src/tools/image/image_cmpt.cc, line 693)+ Scanned so far: i_like_doggies 2026-04-20 20:02:12 INFO ImageFactory::createImage Created Paged image 'ia.fromarray1.image' of shape [10, 20, 5] with float valued pixels. 2026-04-20 20:02:12 INFO ImageFactory::createImage Created Paged image 'ia.fromshape2.image' of shape [20, 40, 10] with float valued pixels. 2026-04-20 20:02:12 SEVERE image::newimagefromshape (file src/tools/image/image_cmpt.cc, line 4176) Exception Reported: LatticeExprNode - shapes of operands mismatch 2026-04-20 20:02:12 SEVERE image::newimagefromshape (file src/tools/image/image_cmpt.cc, line 4176)+ Scanned so far: ia.fromarray1.image+ia.fromshape2.image 2026-04-20 20:02:12 INFO ImageExprCalculator::_imagecalc Creating image `imagecalc.image' of shape [10, 20, 5] 2026-04-20 20:02:12 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/imagecalc.image 2026-04-20 20:02:12 INFO name:: No table opened. 2026-04-20 20:02:12 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:12 INFO immath::::casa ########################################## 2026-04-20 20:02:12 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:12 INFO immath::::casa immath( imagename=['3C129Q.im', '3C129U.im'], mode='pola', outfile='pola_1.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:12 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:02:12 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:02:12 INFO SubImageFactory::createImage Creating image '_immath_tmp7359__concat_for_pola' of shape [501, 501, 2, 1] 2026-04-20 20:02:12 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:12 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:12 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:12 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:12 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [500, 500, 1, 0] (04:46:00.576, +44.50.12.522, Q, 4.73486e+09Hz to 04:45:46.485, +44.52.42.690, U, 4.73486e+09Hz) 2026-04-20 20:02:12 INFO SubImageFactory::createImage Creating image 'pola_1.im' of shape [501, 501, 1, 1] 2026-04-20 20:02:12 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:12.083022 End time: 2026-04-20 20:02:12.319879 2026-04-20 20:02:12 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:12 INFO immath::::casa ########################################## 2026-04-20 20:02:12 INFO immath::::casa ########################################## 2026-04-20 20:02:12 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:12 INFO immath::::casa immath( imagename=['3C129U.im', '3C129Q.im'], mode='pola', outfile='pola_2.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:12 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:02:12 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:02:12 INFO SubImageFactory::createImage Creating image '_immath_tmp7359__concat_for_pola' of shape [501, 501, 2, 1] 2026-04-20 20:02:12 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:12 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:12 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:12 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:12 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [500, 500, 1, 0] (04:46:00.576, +44.50.12.522, U, 4.73486e+09Hz to 04:45:46.485, +44.52.42.690, Q, 4.73486e+09Hz) 2026-04-20 20:02:13 INFO SubImageFactory::createImage Creating image 'pola_2.im' of shape [501, 501, 1, 1] 2026-04-20 20:02:13 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:12.337180 End time: 2026-04-20 20:02:12.552180 2026-04-20 20:02:13 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa immath( imagename='3C129IQUV.im', mode='pola', outfile='pola_3.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:13 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:13 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [500, 500, 3, 0] (04:46:00.576, +44.50.12.522, I, 4.73486e+09Hz to 04:45:46.485, +44.52.42.690, V, 4.73486e+09Hz) 2026-04-20 20:02:13 INFO SubImageFactory::createImage Creating image 'pola_3.im' of shape [501, 501, 1, 1] 2026-04-20 20:02:13 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:12.583783 End time: 2026-04-20 20:02:12.745672 2026-04-20 20:02:13 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa immath( imagename='3C129IQU.im', mode='pola', outfile='pola_4.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:13 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:13 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [500, 500, 2, 0] (04:46:00.576, +44.50.12.522, I, 4.73486e+09Hz to 04:45:46.485, +44.52.42.690, U, 4.73486e+09Hz) 2026-04-20 20:02:13 INFO SubImageFactory::createImage Creating image 'pola_4.im' of shape [501, 501, 1, 1] 2026-04-20 20:02:13 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:12.763595 End time: 2026-04-20 20:02:12.883088 2026-04-20 20:02:13 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa immath( imagename='3C129QU.im', mode='pola', outfile='pola_5.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:13 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:13 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [500, 500, 1, 0] (04:46:00.576, +44.50.12.522, Q, 4.73486e+09Hz to 04:45:46.485, +44.52.42.690, U, 4.73486e+09Hz) 2026-04-20 20:02:13 INFO SubImageFactory::createImage Creating image 'pola_5.im' of shape [501, 501, 1, 1] 2026-04-20 20:02:13 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:12.899867 End time: 2026-04-20 20:02:13.016098 2026-04-20 20:02:13 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa immath( imagename='3C129UV.im', mode='pola', outfile='pola6.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:13 SEVERE imagepol::open Exception Reported: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:13 SEVERE immath::::casa Error running immath 2026-04-20 20:02:13 SEVERE immath::::casa Exception caught was: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:13 SEVERE immath::::casa Exception Reported: Error in immath: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:13 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:13 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:13 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 203, in immath 2026-04-20 20:02:13 INFO immath::::casa+ _immath_new_pola( 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 331, in _immath_new_pola 2026-04-20 20:02:13 INFO immath::::casa+ mypo.open(target) 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/imagepol.py", line 264, in open 2026-04-20 20:02:13 INFO immath::::casa+ return self._swigobj.open(image) 2026-04-20 20:02:13 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/imagepol.py", line 715, in open 2026-04-20 20:02:13 INFO immath::::casa+ return _imagepol.imagepol_open(self, *args, **kwargs) 2026-04-20 20:02:13 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:13 INFO immath::::casa+ RuntimeError: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:13 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:13.033740 End time: 2026-04-20 20:02:13.089353 2026-04-20 20:02:13 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa immath( imagename='3C129Q.im', mode='pola', outfile='pola7.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:13 SEVERE imagepol::open Exception Reported: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:13 SEVERE immath::::casa Error running immath 2026-04-20 20:02:13 SEVERE immath::::casa Exception caught was: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:13 SEVERE immath::::casa Exception Reported: Error in immath: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:13 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:13 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:13 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 203, in immath 2026-04-20 20:02:13 INFO immath::::casa+ _immath_new_pola( 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 331, in _immath_new_pola 2026-04-20 20:02:13 INFO immath::::casa+ mypo.open(target) 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/imagepol.py", line 264, in open 2026-04-20 20:02:13 INFO immath::::casa+ return self._swigobj.open(image) 2026-04-20 20:02:13 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/imagepol.py", line 715, in open 2026-04-20 20:02:13 INFO immath::::casa+ return _imagepol.imagepol_open(self, *args, **kwargs) 2026-04-20 20:02:13 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:13 INFO immath::::casa+ RuntimeError: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:13 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:13.091267 End time: 2026-04-20 20:02:13.130290 2026-04-20 20:02:13 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa immath( imagename=['3C129Q.im', '3C129V.im'], mode='pola', outfile='pola7.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:13 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:02:13 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:02:13 INFO SubImageFactory::createImage Creating image '_immath_tmp7359__concat_for_pola' of shape [501, 501, 2, 1] 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:13 SEVERE imagepol::open Exception Reported: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:13 SEVERE immath::::casa Error running immath 2026-04-20 20:02:13 SEVERE immath::::casa Exception caught was: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:13 SEVERE immath::::casa Exception Reported: Error in immath: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:13 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:13 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:13 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 203, in immath 2026-04-20 20:02:13 INFO immath::::casa+ _immath_new_pola( 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 331, in _immath_new_pola 2026-04-20 20:02:13 INFO immath::::casa+ mypo.open(target) 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/imagepol.py", line 264, in open 2026-04-20 20:02:13 INFO immath::::casa+ return self._swigobj.open(image) 2026-04-20 20:02:13 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:13 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/imagepol.py", line 715, in open 2026-04-20 20:02:13 INFO immath::::casa+ return _imagepol.imagepol_open(self, *args, **kwargs) 2026-04-20 20:02:13 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:13 INFO immath::::casa+ RuntimeError: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:13 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:13.131776 End time: 2026-04-20 20:02:13.253945 2026-04-20 20:02:13 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa immath( imagename='3C129QU.im', mode='pola', outfile='pola_8.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='30uJy/beam', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:13 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:13 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:13 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [500, 500, 1, 0] (04:46:00.576, +44.50.12.522, Q, 4.73486e+09Hz to 04:45:46.485, +44.52.42.690, U, 4.73486e+09Hz) 2026-04-20 20:02:13 INFO SubImageFactory::createImage Creating image '_immath_tmp7359__lpol' of shape [501, 501, 1, 1] 2026-04-20 20:02:13 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:13 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [500, 500, 1, 0] (04:46:00.576, +44.50.12.522, Q, 4.73486e+09Hz to 04:45:46.485, +44.52.42.690, U, 4.73486e+09Hz) 2026-04-20 20:02:13 INFO SubImageFactory::createImage Creating image 'pola_8.im' of shape [501, 501, 1, 1] 2026-04-20 20:02:13 INFO ImageMaskHandler::_calcmask Created mask `mask0' 2026-04-20 20:02:13 INFO immath::::casa Calculated mask based on linear polarization threshold 2.9999999999999997e-05 2026-04-20 20:02:13 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:13.255103 End time: 2026-04-20 20:02:13.442687 2026-04-20 20:02:13 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ########################################## 2026-04-20 20:02:13 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:13 INFO immath::::casa immath( imagename=['3C129Q.im', '3C129U.im'], mode='poli', outfile='poli_1.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:13 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:02:14 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:02:14 INFO SubImageFactory::createImage Creating image '_immath_tmp7359__concat_for_poli' of shape [501, 501, 2, 1] 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:14 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:14 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [500, 500, 1, 0] (04:46:00.576, +44.50.12.522, Q, 4.73486e+09Hz to 04:45:46.485, +44.52.42.690, U, 4.73486e+09Hz) 2026-04-20 20:02:14 INFO SubImageFactory::createImage Creating image 'poli_1.im' of shape [501, 501, 1, 1] 2026-04-20 20:02:14 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:13.491597 End time: 2026-04-20 20:02:13.670230 2026-04-20 20:02:14 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:14 INFO immath::::casa ########################################## 2026-04-20 20:02:14 INFO immath::::casa ########################################## 2026-04-20 20:02:14 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:14 INFO immath::::casa immath( imagename=['3C129Q.im', '3C129U.im'], mode='poli', outfile='poli_2.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:14 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:02:14 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:02:14 INFO SubImageFactory::createImage Creating image '_immath_tmp7359__concat_for_poli' of shape [501, 501, 2, 1] 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:14 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:14 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [500, 500, 1, 0] (04:46:00.576, +44.50.12.522, Q, 4.73486e+09Hz to 04:45:46.485, +44.52.42.690, U, 4.73486e+09Hz) 2026-04-20 20:02:14 INFO SubImageFactory::createImage Creating image 'poli_2.im' of shape [501, 501, 1, 1] 2026-04-20 20:02:14 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:13.685773 End time: 2026-04-20 20:02:13.866934 2026-04-20 20:02:14 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:14 INFO immath::::casa ########################################## 2026-04-20 20:02:14 INFO immath::::casa ########################################## 2026-04-20 20:02:14 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:14 INFO immath::::casa immath( imagename='3C129IQU.im', mode='poli', outfile='poli_3.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:14 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:14 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [500, 500, 2, 0] (04:46:00.576, +44.50.12.522, I, 4.73486e+09Hz to 04:45:46.485, +44.52.42.690, U, 4.73486e+09Hz) 2026-04-20 20:02:14 INFO SubImageFactory::createImage Creating image 'poli_3.im' of shape [501, 501, 1, 1] 2026-04-20 20:02:14 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:13.882639 End time: 2026-04-20 20:02:13.982494 2026-04-20 20:02:14 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:14 INFO immath::::casa ########################################## 2026-04-20 20:02:14 INFO immath::::casa ########################################## 2026-04-20 20:02:14 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:14 INFO immath::::casa immath( imagename='3C129QU.im', mode='poli', outfile='poli_4.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:14 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:14 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [500, 500, 1, 0] (04:46:00.576, +44.50.12.522, Q, 4.73486e+09Hz to 04:45:46.485, +44.52.42.690, U, 4.73486e+09Hz) 2026-04-20 20:02:14 INFO SubImageFactory::createImage Creating image 'poli_4.im' of shape [501, 501, 1, 1] 2026-04-20 20:02:14 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:13.998246 End time: 2026-04-20 20:02:14.090032 2026-04-20 20:02:14 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:14 INFO immath::::casa ########################################## 2026-04-20 20:02:14 INFO immath::::casa ########################################## 2026-04-20 20:02:14 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:14 INFO immath::::casa immath( imagename=['3C129Q.im', '3C129U.im', '3C129V.im'], mode='poli', outfile='poli_5.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:14 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:02:14 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 3 2026-04-20 20:02:14 INFO SubImageFactory::createImage Creating image '_immath_tmp7359__concat_for_poli' of shape [501, 501, 3, 1] 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:14 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:14 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [500, 500, 2, 0] (04:46:00.576, +44.50.12.522, Q, 4.73486e+09Hz to 04:45:46.485, +44.52.42.690, V, 4.73486e+09Hz) 2026-04-20 20:02:14 INFO SubImageFactory::createImage Creating image 'poli_5.im' of shape [501, 501, 1, 1] 2026-04-20 20:02:14 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:14.105694 End time: 2026-04-20 20:02:14.330926 2026-04-20 20:02:14 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:14 INFO immath::::casa ########################################## 2026-04-20 20:02:14 INFO immath::::casa ########################################## 2026-04-20 20:02:14 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:14 INFO immath::::casa immath( imagename='3C129IQUV.im', mode='poli', outfile='poli_6.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:14 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:14 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:14 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [500, 500, 3, 0] (04:46:00.576, +44.50.12.522, I, 4.73486e+09Hz to 04:45:46.485, +44.52.42.690, V, 4.73486e+09Hz) 2026-04-20 20:02:14 INFO SubImageFactory::createImage Creating image 'poli_6.im' of shape [501, 501, 1, 1] 2026-04-20 20:02:14 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:14.346686 End time: 2026-04-20 20:02:14.463414 2026-04-20 20:02:14 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:14 INFO immath::::casa ########################################## 2026-04-20 20:02:14 INFO immath::::casa ########################################## 2026-04-20 20:02:14 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:14 INFO immath::::casa immath( imagename=['3C129Q.im', '3C129V.im'], mode='poli', outfile='poli7.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:14 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:02:14 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:02:15 INFO SubImageFactory::createImage Creating image '_immath_tmp7359__concat_for_poli' of shape [501, 501, 2, 1] 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:15 SEVERE imagepol::open Exception Reported: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:15 SEVERE immath::::casa Error running immath 2026-04-20 20:02:15 SEVERE immath::::casa Exception caught was: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:15 SEVERE immath::::casa Exception Reported: Error in immath: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:15 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:15 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 209, in immath 2026-04-20 20:02:15 INFO immath::::casa+ _immath_new_poli( 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 386, in _immath_new_poli 2026-04-20 20:02:15 INFO immath::::casa+ mypo.open(target) 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/imagepol.py", line 264, in open 2026-04-20 20:02:15 INFO immath::::casa+ return self._swigobj.open(image) 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/imagepol.py", line 715, in open 2026-04-20 20:02:15 INFO immath::::casa+ return _imagepol.imagepol_open(self, *args, **kwargs) 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ RuntimeError: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:15 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:14.479220 End time: 2026-04-20 20:02:14.597754 2026-04-20 20:02:15 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa immath( imagename='3C129UV.im', mode='poli', outfile='poli8.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:15 SEVERE imagepol::open Exception Reported: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:15 SEVERE immath::::casa Error running immath 2026-04-20 20:02:15 SEVERE immath::::casa Exception caught was: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:15 SEVERE immath::::casa Exception Reported: Error in immath: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:15 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:15 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 209, in immath 2026-04-20 20:02:15 INFO immath::::casa+ _immath_new_poli( 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 386, in _immath_new_poli 2026-04-20 20:02:15 INFO immath::::casa+ mypo.open(target) 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/imagepol.py", line 264, in open 2026-04-20 20:02:15 INFO immath::::casa+ return self._swigobj.open(image) 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/imagepol.py", line 715, in open 2026-04-20 20:02:15 INFO immath::::casa+ return _imagepol.imagepol_open(self, *args, **kwargs) 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ RuntimeError: This Stokes coordinate has only one of Q and U. This is not useful at File: /source/casa6/casatools/src/code/imageanalysis/ImageAnalysis/ImagePolarimetry.cc, line: 1139 2026-04-20 20:02:15 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:14.599024 End time: 2026-04-20 20:02:14.628458 2026-04-20 20:02:15 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO name:: No table opened. 2026-04-20 20:02:15 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:15 INFO ImageFactory::createImage Created Paged image 'myim.im' of shape [10, 20, 4, 40] with float valued pixels. 2026-04-20 20:02:15 INFO ImageFactory::createImage Created Paged image 'mask1.im' of shape [10, 20, 4, 40] with float valued pixels. 2026-04-20 20:02:15 INFO ImageFactory::createImage Created Paged image 'mask2.im' of shape [10, 20, 1, 1] with float valued pixels. 2026-04-20 20:02:15 INFO ImageFactory::createImage Created Paged image 'mask3.im' of shape [10, 20, 4, 2] with float valued pixels. 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa immath( imagename='myim.im', mode='evalexpr', outfile='out1.im', expr='1*IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='mask1.im > 5', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:15 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:15 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [9, 19, 3, 39] (00:00:20.000, -00.10.00.001, I, 1.41498e+09Hz to 23:59:44.000, +00.09.00.001, V, 1.41502e+09Hz) 2026-04-20 20:02:15 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [10, 20, 4, 40] 2026-04-20 20:02:15 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:02:15 INFO ImageExprCalculator::_imagecalc Creating image `out1.im' of shape [10, 20, 4, 40] 2026-04-20 20:02:15 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:02:15 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:14.786491 End time: 2026-04-20 20:02:14.877697 2026-04-20 20:02:15 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/out1.im 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa immath( imagename='myim.im', mode='evalexpr', outfile='out2.im', expr='1*IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='mask2.im > 5', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:15 SEVERE image::subimage (file src/tools/image/image_cmpt.cc, line 6162) Exception Reported: The input image shape ([10, 20, 4, 40]) and mask shape ([10, 20, 1, 1]) are different, and it was specified that the mask should not be extended, so the mask cannot be applied to the (sub)image. Specifying that the mask should be extended may resolve the issue at File: /source/casainstall/include/casacpp/imageanalysis/ImageAnalysis/SubImageFactory.tcc, line: 306 2026-04-20 20:02:15 SEVERE immath::::casa Unable to process expression 1*IM0 2026-04-20 20:02:15 SEVERE immath::::casa Exception caught was: Unable to apply region to file: myim.im 2026-04-20 20:02:15 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: myim.im 2026-04-20 20:02:15 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 455, in _immath_createsubimages 2026-04-20 20:02:15 INFO immath::::casa+ subim = myia.subimage( 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/image.py", line 3890, in subimage 2026-04-20 20:02:15 INFO immath::::casa+ return _wrap_image(swig_object=self._swigobj.subimage(outfile, region, mask, dropdeg, overwrite, list, stretch, wantreturn, keepaxes)) 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/image.py", line 7729, in subimage 2026-04-20 20:02:15 INFO immath::::casa+ return _image.image_subimage(self, *args, **kwargs) 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ RuntimeError: The input image shape ([10, 20, 4, 40]) and mask shape ([10, 20, 1, 1]) are different, and it was specified that the mask should not be extended, so the mask cannot be applied to the (sub)image. Specifying that the mask should be extended may resolve the issue at File: /source/casainstall/include/casacpp/imageanalysis/ImageAnalysis/SubImageFactory.tcc, line: 306 2026-04-20 20:02:15 INFO immath::::casa+ 2026-04-20 20:02:15 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:15 INFO immath::::casa+ 2026-04-20 20:02:15 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:15 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:15 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:15 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:15 INFO immath::::casa+ Exception: Unable to apply region to file: myim.im 2026-04-20 20:02:15 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:14.893107 End time: 2026-04-20 20:02:14.911540 2026-04-20 20:02:15 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa immath( imagename='myim.im', mode='evalexpr', outfile='out3.im', expr='1*IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='mask2.im > 5', region='', box='', chans='', stokes='', stretch=True, imagemd='', prec='float' ) 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:15 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:15 INFO ImageRegion::fromRecord+ [0, 0, 0, 0] to [9, 19, 3, 39] (00:00:20.000, -00.10.00.001, I, 1.41498e+09Hz to 23:59:44.000, +00.09.00.001, V, 1.41502e+09Hz) 2026-04-20 20:02:15 INFO ImageRegion::fromRecord Creating image '_immath_tmp7359_0' of shape [10, 20, 4, 40] 2026-04-20 20:02:15 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:02:15 INFO ImageExprCalculator::_imagecalc Creating image `out3.im' of shape [10, 20, 4, 40] 2026-04-20 20:02:15 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:02:15 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:14.913220 End time: 2026-04-20 20:02:15.000663 2026-04-20 20:02:15 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/out3.im 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa immath( imagename='myim.im', mode='evalexpr', outfile='out4.im', expr='1*IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='mask3.im > 5', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:02:15 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:15 SEVERE image::subimage (file src/tools/image/image_cmpt.cc, line 6162) Exception Reported: The input image shape ([10, 20, 4, 40]) and mask shape ([10, 20, 4, 2]) are different, and it was specified that the mask should not be extended, so the mask cannot be applied to the (sub)image. Specifying that the mask should be extended may resolve the issue at File: /source/casainstall/include/casacpp/imageanalysis/ImageAnalysis/SubImageFactory.tcc, line: 306 2026-04-20 20:02:15 SEVERE immath::::casa Unable to process expression 1*IM0 2026-04-20 20:02:15 SEVERE immath::::casa Exception caught was: Unable to apply region to file: myim.im 2026-04-20 20:02:15 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: myim.im 2026-04-20 20:02:15 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 455, in _immath_createsubimages 2026-04-20 20:02:15 INFO immath::::casa+ subim = myia.subimage( 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/image.py", line 3890, in subimage 2026-04-20 20:02:15 INFO immath::::casa+ return _wrap_image(swig_object=self._swigobj.subimage(outfile, region, mask, dropdeg, overwrite, list, stretch, wantreturn, keepaxes)) 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/image.py", line 7729, in subimage 2026-04-20 20:02:15 INFO immath::::casa+ return _image.image_subimage(self, *args, **kwargs) 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ RuntimeError: The input image shape ([10, 20, 4, 40]) and mask shape ([10, 20, 4, 2]) are different, and it was specified that the mask should not be extended, so the mask cannot be applied to the (sub)image. Specifying that the mask should be extended may resolve the issue at File: /source/casainstall/include/casacpp/imageanalysis/ImageAnalysis/SubImageFactory.tcc, line: 306 2026-04-20 20:02:15 INFO immath::::casa+ 2026-04-20 20:02:15 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:02:15 INFO immath::::casa+ 2026-04-20 20:02:15 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:15 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:02:15 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:02:15 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:15 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:02:15 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:15 INFO immath::::casa+ Exception: Unable to apply region to file: myim.im 2026-04-20 20:02:15 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:15.011394 End time: 2026-04-20 20:02:15.025645 2026-04-20 20:02:15 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO name:: No table opened. 2026-04-20 20:02:15 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:15 INFO ImageFactory::createImage Created Paged image 'a.im' of shape [20, 20, 20] with float valued pixels. 2026-04-20 20:02:15 INFO image::_setrestoringbeam Will use dictionary specified in beam parameter to set the beam(s) 2026-04-20 20:02:15 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:02:15 INFO BeamManipulator::set Beam parameters: Major : 20 arcsec 2026-04-20 20:02:15 INFO BeamManipulator::set+ Minor : 10 arcsec 2026-04-20 20:02:15 INFO BeamManipulator::set+ Position Angle : 5 deg 2026-04-20 20:02:15 INFO ImageFactory::createImage Created Paged image 'b.im' of shape [20, 20, 20] with float valued pixels. 2026-04-20 20:02:15 INFO image::_setrestoringbeam Will use dictionary specified in beam parameter to set the beam(s) 2026-04-20 20:02:15 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:02:15 INFO BeamManipulator::set Beam parameters: Major : 30 arcsec 2026-04-20 20:02:15 INFO BeamManipulator::set+ Minor : 15 arcsec 2026-04-20 20:02:15 INFO BeamManipulator::set+ Position Angle : 10 deg 2026-04-20 20:02:15 INFO ImageFactory::createImage Created Paged image 'c.im' of shape [20, 20, 20] with float valued pixels. 2026-04-20 20:02:15 INFO image::_setrestoringbeam Will use dictionary specified in beam parameter to set the beam(s) 2026-04-20 20:02:15 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:02:15 INFO BeamManipulator::set Beam parameters: Major : 5 arcsec 2026-04-20 20:02:15 INFO BeamManipulator::set+ Minor : 2 arcsec 2026-04-20 20:02:15 INFO BeamManipulator::set+ Position Angle : 4 deg 2026-04-20 20:02:15 WARN ImageExprCalculator::compute image units are not the same: 'Jy/beam' vs 'Jy/pixel'. Proceed with caution. Output image metadata will be copied from image a.im 2026-04-20 20:02:15 WARN ImageExprCalculator::compute image units are not the same: 'Jy/beam' vs 'Jy/pixel'. Proceed with caution. Output image metadata will be copied from image b.im 2026-04-20 20:02:15 WARN ImageExprCalculator::compute image units are not the same: 'Jy/beam' vs 'Jy/pixel'. Proceed with caution. Output image metadata will be copied from image c.im 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa immath( imagename='a.im', mode='evalexpr', outfile='immath_out0.im', expr='a.im + b.im + c.im', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='a.im', prec='float' ) 2026-04-20 20:02:15 WARN ImageExprCalculator::compute image units are not the same: 'Jy/beam' vs 'Jy/pixel'. Proceed with caution. Output image metadata will be copied from image a.im 2026-04-20 20:02:15 INFO ImageExprCalculator::_imagecalc Creating image `immath_out0.im' of shape [20, 20, 20] 2026-04-20 20:02:15 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:15.266507 End time: 2026-04-20 20:02:15.312197 2026-04-20 20:02:15 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa immath( imagename=['a.im', 'b.im', 'c.im'], mode='evalexpr', outfile='immath_out0.imIM0', expr='a.im + b.im + c.im', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='IM0', prec='float' ) 2026-04-20 20:02:15 WARN ImageExprCalculator::compute image units are not the same: 'Jy/beam' vs 'Jy/pixel'. Proceed with caution. Output image metadata will be copied from image a.im 2026-04-20 20:02:15 INFO ImageExprCalculator::_imagecalc Creating image `immath_out0.imIM0' of shape [20, 20, 20] 2026-04-20 20:02:15 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:15.313344 End time: 2026-04-20 20:02:15.356598 2026-04-20 20:02:15 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/immath_out0.im 2026-04-20 20:02:15 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/immath_out0.imIM0 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa immath( imagename='a.im', mode='evalexpr', outfile='immath_out1.im', expr='a.im + b.im + c.im', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='b.im', prec='float' ) 2026-04-20 20:02:15 WARN ImageExprCalculator::compute image units are not the same: 'Jy/beam' vs 'Jy/pixel'. Proceed with caution. Output image metadata will be copied from image b.im 2026-04-20 20:02:15 INFO ImageExprCalculator::_imagecalc Creating image `immath_out1.im' of shape [20, 20, 20] 2026-04-20 20:02:15 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:15.384258 End time: 2026-04-20 20:02:15.439872 2026-04-20 20:02:15 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa immath( imagename=['a.im', 'b.im', 'c.im'], mode='evalexpr', outfile='immath_out1.imIM1', expr='a.im + b.im + c.im', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='IM1', prec='float' ) 2026-04-20 20:02:15 WARN ImageExprCalculator::compute image units are not the same: 'Jy/beam' vs 'Jy/pixel'. Proceed with caution. Output image metadata will be copied from image b.im 2026-04-20 20:02:15 INFO ImageExprCalculator::_imagecalc Creating image `immath_out1.imIM1' of shape [20, 20, 20] 2026-04-20 20:02:15 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:15.441434 End time: 2026-04-20 20:02:15.489098 2026-04-20 20:02:15 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:15 INFO immath::::casa ########################################## 2026-04-20 20:02:15 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/immath_out1.im 2026-04-20 20:02:16 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/immath_out1.imIM1 2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa immath( imagename='a.im', mode='evalexpr', outfile='immath_out2.im', expr='a.im + b.im + c.im', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='c.im', prec='float' ) 2026-04-20 20:02:16 WARN ImageExprCalculator::compute image units are not the same: 'Jy/beam' vs 'Jy/pixel'. Proceed with caution. Output image metadata will be copied from image c.im 2026-04-20 20:02:16 INFO ImageExprCalculator::_imagecalc Creating image `immath_out2.im' of shape [20, 20, 20] 2026-04-20 20:02:16 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:15.502193 End time: 2026-04-20 20:02:15.538376 2026-04-20 20:02:16 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa immath( imagename=['a.im', 'b.im', 'c.im'], mode='evalexpr', outfile='immath_out2.imIM2', expr='a.im + b.im + c.im', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='IM2', prec='float' ) 2026-04-20 20:02:16 WARN ImageExprCalculator::compute image units are not the same: 'Jy/beam' vs 'Jy/pixel'. Proceed with caution. Output image metadata will be copied from image c.im 2026-04-20 20:02:16 INFO ImageExprCalculator::_imagecalc Creating image `immath_out2.imIM2' of shape [20, 20, 20] 2026-04-20 20:02:16 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:15.539467 End time: 2026-04-20 20:02:15.575549 2026-04-20 20:02:16 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/immath_out2.im 2026-04-20 20:02:16 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/immath_out2.imIM2 2026-04-20 20:02:16 INFO name:: No table opened. 2026-04-20 20:02:16 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:16 INFO ImageFactory::createImage Created Paged image 'mybeamtest0.im' of shape [2, 2, 2, 2] with float valued pixels. 2026-04-20 20:02:16 INFO image::_casaQuantityFromVar Will use values specified in major, minor, pa to set beam 2026-04-20 20:02:16 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:02:16 INFO BeamManipulator::set Beam parameters: Major : 3.234 arcmin 2026-04-20 20:02:16 INFO BeamManipulator::set+ Minor : 1 arcmin 2026-04-20 20:02:16 INFO BeamManipulator::set+ Position Angle : 0 deg 2026-04-20 20:02:16 INFO ImageFactory::createImage Created Paged image 'mybeamtest1.im' of shape [2, 2, 2, 2] with float valued pixels. 2026-04-20 20:02:16 INFO image::_casaQuantityFromVar Will use values specified in major, minor, pa to set beam 2026-04-20 20:02:16 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:02:16 INFO BeamManipulator::set Beam parameters: Major : 3.235 arcmin 2026-04-20 20:02:16 INFO BeamManipulator::set+ Minor : 1 arcmin 2026-04-20 20:02:16 INFO BeamManipulator::set+ Position Angle : 0 deg 2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa immath( imagename=['mybeamtest0.im', 'mybeamtest1.im'], mode='evalexpr', outfile='myout.im', expr='IM0 + IM1', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:16 WARN ImageExprCalculator::compute image beams are not the same: Axis Lengths: [1, 1] (NB: Matrix in Row/Column order) 2026-04-20 20:02:16 WARN ImageExprCalculator::compute+ [major: 3.235 arcmin, minor: 1 arcmin, pa: 0 deg] 2026-04-20 20:02:16 WARN ImageExprCalculator::compute+ vs Axis Lengths: [1, 1] (NB: Matrix in Row/Column order) 2026-04-20 20:02:16 WARN ImageExprCalculator::compute+ [major: 3.234 arcmin, minor: 1 arcmin, pa: 0 deg] 2026-04-20 20:02:16 INFO ImageExprCalculator::_imagecalc Creating image `myout.im' of shape [2, 2, 2, 2] 2026-04-20 20:02:16 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:15.682341 End time: 2026-04-20 20:02:15.713788 2026-04-20 20:02:16 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 INFO image::_casaQuantityFromVar Will use values specified in major, minor, pa to set beam 2026-04-20 20:02:16 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:02:16 INFO BeamManipulator::set Beam parameters: Major : 3.23457 arcmin 2026-04-20 20:02:16 INFO BeamManipulator::set+ Minor : 1 arcmin 2026-04-20 20:02:16 INFO BeamManipulator::set+ Position Angle : 0 deg 2026-04-20 20:02:16 INFO image::_casaQuantityFromVar Will use values specified in major, minor, pa to set beam 2026-04-20 20:02:16 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:02:16 INFO BeamManipulator::set Beam parameters: Major : 3.23457 arcmin 2026-04-20 20:02:16 INFO BeamManipulator::set+ Minor : 1 arcmin 2026-04-20 20:02:16 INFO BeamManipulator::set+ Position Angle : 0 deg 2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa immath( imagename=['mybeamtest0.im', 'mybeamtest1.im'], mode='evalexpr', outfile='myout.im', expr='IM0 + IM1', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:16 WARN ImageExprCalculator::compute image beams are not the same: Axis Lengths: [1, 1] (NB: Matrix in Row/Column order) 2026-04-20 20:02:16 WARN ImageExprCalculator::compute+ [major: 3.234568 arcmin, minor: 1 arcmin, pa: 0 deg] 2026-04-20 20:02:16 WARN ImageExprCalculator::compute+ vs Axis Lengths: [1, 1] (NB: Matrix in Row/Column order) 2026-04-20 20:02:16 WARN ImageExprCalculator::compute+ [major: 3.234567 arcmin, minor: 1 arcmin, pa: 0 deg] 2026-04-20 20:02:16 INFO ImageExprCalculator::_imagecalc Creating image `myout.im' of shape [2, 2, 2, 2] 2026-04-20 20:02:16 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:15.736803 End time: 2026-04-20 20:02:15.768117 2026-04-20 20:02:16 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 INFO image::_casaQuantityFromVar Will use values specified in major, minor, pa to set beam 2026-04-20 20:02:16 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:02:16 INFO BeamManipulator::set Beam parameters: Major : 3.23457 arcmin 2026-04-20 20:02:16 INFO BeamManipulator::set+ Minor : 1 arcmin 2026-04-20 20:02:16 INFO BeamManipulator::set+ Position Angle : 0 deg 2026-04-20 20:02:16 INFO image::_casaQuantityFromVar Will use values specified in major, minor, pa to set beam 2026-04-20 20:02:16 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:02:16 INFO BeamManipulator::set Beam parameters: Major : 3.23457 arcmin 2026-04-20 20:02:16 INFO BeamManipulator::set+ Minor : 1 arcmin 2026-04-20 20:02:16 INFO BeamManipulator::set+ Position Angle : 0 deg 2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa immath( imagename=['mybeamtest0.im', 'mybeamtest1.im'], mode='evalexpr', outfile='myout.im', expr='IM0 + IM1', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:16 WARN ImageExprCalculator::compute image beams are not the same: Axis Lengths: [1, 1] (NB: Matrix in Row/Column order) 2026-04-20 20:02:16 WARN ImageExprCalculator::compute+ [major: 3.23456789027778 arcmin, minor: 1 arcmin, pa: 0 deg] 2026-04-20 20:02:16 WARN ImageExprCalculator::compute+ vs Axis Lengths: [1, 1] (NB: Matrix in Row/Column order) 2026-04-20 20:02:16 WARN ImageExprCalculator::compute+ [major: 3.23456789017778 arcmin, minor: 1 arcmin, pa: 0 deg] 2026-04-20 20:02:16 INFO ImageExprCalculator::_imagecalc Creating image `myout.im' of shape [2, 2, 2, 2] 2026-04-20 20:02:16 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:15.791873 End time: 2026-04-20 20:02:15.823348 2026-04-20 20:02:16 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 INFO name:: No table opened. 2026-04-20 20:02:16 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:16 INFO ImageFactory::createImage Created Paged image 'complex_calc1.im' of shape [4, 4] with Complex valued pixels. 2026-04-20 20:02:16 INFO ImageFactory::createImage Created Paged image 'complex_calc2.im' of shape [4, 4] with Complex valued pixels. 2026-04-20 20:02:16 INFO ImageFactory::createImage Created Paged image 'complex_calc3.im' of shape [4, 4] with Complex valued pixels. 2026-04-20 20:02:16 WARN ImageExprCalculator::compute2 Overwriting pixel values of the currently attached image 2026-04-20 20:02:16 INFO ImageFactory::createImage Created Paged image 'float_calc4.im' of shape [4, 4] with float valued pixels. 2026-04-20 20:02:16 INFO name:: No table opened. 2026-04-20 20:02:16 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:16 INFO ImageFactory::createImage Created Paged image 'jj.im' of shape [20, 20, 20] with float valued pixels. 2026-04-20 20:02:16 INFO ImageFactory::createImage Created Paged image 'kk.im' of shape [20, 20, 20] with float valued pixels. 2026-04-20 20:02:16 INFO ImageExprCalculator::_imagecalc Creating image `CAS-8570.im' of shape [20, 20, 20] 2026-04-20 20:02:16 WARN image::open (file src/tools/image/image_cmpt.cc, line 4208) Another image is already open, closing first 2026-04-20 20:02:16 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/CAS-8570.im 2026-04-20 20:02:16 INFO name:: No table opened. 2026-04-20 20:02:16 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:16 INFO ImageFactory::createImage Created Paged image 'hist1.im' of shape [20, 20] with float valued pixels. 2026-04-20 20:02:16 INFO ImageFactory::createImage Created Paged image 'hist2.im' of shape [20, 20] with float valued pixels. 2026-04-20 20:02:16 INFO ::::image::imagecalc Ran ia.imagecalc 2026-04-20 20:02:16 INFO ::::image::imagecalc ia.imagecalc(outfile="", pixels="hist1.im+hist2.im", overwrite=false, imagemd="") 2026-04-20 20:02:16 WARN ImageExprCalculator::compute2 Overwriting pixel values of the currently attached image 2026-04-20 20:02:16 INFO ::::ImageFactory::createImage Created Paged image 'hist1.im' of shape [20, 20] with float valued pixels. 2026-04-20 20:02:16 INFO ::::image::fromshape Ran ia.fromshape 2026-04-20 20:02:16 INFO ::::image::fromshape ia.fromshape(outfile="hist1.im", shape=[20,20], csys={...}, linear=false, overwrite=false, log=true, type="f") 2026-04-20 20:02:16 INFO ::::image::calc Ran ia.calc 2026-04-20 20:02:16 INFO ::::image::calc ia.calc(expr="hist1.im+hist2.im", verbose=true) 2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa immath( imagename='hist1.im', mode='evalexpr', outfile='zz_out.im', expr='hist1.im+hist2.im', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:16 INFO ImageExprCalculator::_imagecalc Creating image `zz_out.im' of shape [20, 20] 2026-04-20 20:02:16 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:16.200686 End time: 2026-04-20 20:02:16.228456 2026-04-20 20:02:16 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 INFO ::::immath version: 6.7.5-18 CASAtools:v1.0.0 2026-04-20 20:02:16 INFO ::::immath immath(imagename="hist1.im", mode="evalexpr", outfile="zz_out.im", expr="hist1.im+hist2.im", varnames=['IM0'], sigma="0.0mJy/beam", polithresh="", mask="", region="", box="", chans="", stokes="", stretch=False, imagemd="", prec="float") 2026-04-20 20:02:16 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/zz_out.im 2026-04-20 20:02:16 INFO name:: No table opened. 2026-04-20 20:02:16 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa immath( imagename='/opt/casa/data/casatestdata/unittest/immath/poli_sigma_test.im', mode='poli', outfile='myout.im', expr='IM0', varnames='', sigma='0.0044Jy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:16 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:16 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:16 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:16 INFO ImageRegion::fromRecord+ [0, 0, 0] to [19, 19, 3] (00:00:40.000, -00.10.00.001, I to 23:59:24.000, +00.09.00.001, V) 2026-04-20 20:02:16 INFO ImagePolTask::_setDoLinDoCirc Debiasing with sigma = 0.0044 2026-04-20 20:02:16 INFO SubImageFactory::createImage Creating image 'myout.im' of shape [20, 20, 1] 2026-04-20 20:02:16 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:16.292395 End time: 2026-04-20 20:02:16.389931 2026-04-20 20:02:16 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:16 INFO immath::::casa ########################################## 2026-04-20 20:02:16 WARN image::open (file src/tools/image/image_cmpt.cc, line 4208) Another image is already open, closing first 2026-04-20 20:02:16 INFO name:: No table opened. 2026-04-20 20:02:16 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:16 INFO ImageFactory::createImage Created Paged image 'calc0_f.im' of shape [2, 2] with float valued pixels. 2026-04-20 20:02:16 INFO ImageFactory::createImage Created Paged image 'calc1_f.im' of shape [2, 2] with float valued pixels. 2026-04-20 20:02:17 INFO ImageFactory::createImage Created Paged image 'calc0_d.im' of shape [2, 2] with double valued pixels. 2026-04-20 20:02:17 INFO ImageFactory::createImage Created Paged image 'calc1_d.im' of shape [2, 2] with double valued pixels. 2026-04-20 20:02:17 INFO ImageFactory::createImage Created Paged image 'calc0_c.im' of shape [2, 2] with Complex valued pixels. 2026-04-20 20:02:17 INFO ImageFactory::createImage Created Paged image 'calc1_c.im' of shape [2, 2] with Complex valued pixels. 2026-04-20 20:02:17 INFO ImageFactory::createImage Created Paged image 'calc0_cd.im' of shape [2, 2] with DComplex valued pixels. 2026-04-20 20:02:17 INFO ImageFactory::createImage Created Paged image 'calc1_cd.im' of shape [2, 2] with DComplex valued pixels. 2026-04-20 20:02:17 INFO name:: No table opened. 2026-04-20 20:02:17 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa immath( imagename=['spectral_index_0.im', 'spectral_index_1.im'], mode='spix', outfile='spectral_index_out.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:17 INFO ImageExprCalculator::_imagecalc Creating image `spectral_index_out.im' of shape [20, 20, 1, 1] 2026-04-20 20:02:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:16.899973 End time: 2026-04-20 20:02:16.943660 2026-04-20 20:02:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO name:: No table opened. 2026-04-20 20:02:17 INFO showcache:: The Table Cache is empty. .2026-04-20 20:02:17 INFO ImageFactory::createImage Created Paged image 'mypol.im' of shape [4, 4, 4] with float valued pixels. 2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa immath( imagename='mypol.im', mode='poli', outfile='outpoli.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:17 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:17 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:17 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:17 INFO ImageRegion::fromRecord+ [0, 0, 0] to [3, 3, 3] (00:00:08.000, -00.02.00.000, I to 23:59:56.000, +00.01.00.000, V) 2026-04-20 20:02:17 INFO SubImageFactory::createImage Creating image 'outpoli.im' of shape [4, 4, 1] 2026-04-20 20:02:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:17.070070 End time: 2026-04-20 20:02:17.114495 2026-04-20 20:02:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/outpoli.im 2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa immath( imagename='mypol.im', mode='lpoli', outfile='outlpoli.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:17 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:17 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:17 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:17 INFO ImageRegion::fromRecord+ [0, 0, 0] to [3, 3, 3] (00:00:08.000, -00.02.00.000, I to 23:59:56.000, +00.01.00.000, V) 2026-04-20 20:02:17 INFO SubImageFactory::createImage Creating image 'outlpoli.im' of shape [4, 4, 1] 2026-04-20 20:02:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:17.125067 End time: 2026-04-20 20:02:17.163815 2026-04-20 20:02:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/outlpoli.im 2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa immath( imagename='mypol.im', mode='tpoli', outfile='outtpoli.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:17 WARN immath::::casa Ignoring stokes parameters selection for mode='poli'. 2026-04-20 20:02:17 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:17 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:17 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:17 INFO ImageRegion::fromRecord+ [0, 0, 0] to [3, 3, 3] (00:00:08.000, -00.02.00.000, I to 23:59:56.000, +00.01.00.000, V) 2026-04-20 20:02:17 INFO SubImageFactory::createImage Creating image 'outtpoli.im' of shape [4, 4, 1] 2026-04-20 20:02:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:17.173971 End time: 2026-04-20 20:02:17.215126 2026-04-20 20:02:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/outtpoli.im 2026-04-20 20:02:17 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:17 INFO ImageRegion::fromRecord+ [0, 0, 0] to [3, 3, 2] (00:00:08.000, -00.02.00.000, I to 23:59:56.000, +00.01.00.000, U) 2026-04-20 20:02:17 INFO ImageRegion::fromRecord Creating image 'noV.im' of shape [4, 4, 3] 2026-04-20 20:02:17 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/mypol.im 2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa immath( imagename='noV.im', mode='poli', outfile='no_Voutpoli.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:17 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:17 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:17 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:17 INFO ImageRegion::fromRecord+ [0, 0, 0] to [3, 3, 2] (00:00:08.000, -00.02.00.000, I to 23:59:56.000, +00.01.00.000, U) 2026-04-20 20:02:17 INFO SubImageFactory::createImage Creating image 'no_Voutpoli.im' of shape [4, 4, 1] 2026-04-20 20:02:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:17.255173 End time: 2026-04-20 20:02:17.286872 2026-04-20 20:02:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/no_Voutpoli.im 2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa immath( imagename='noV.im', mode='lpoli', outfile='no_Voutlpoli.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:17 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:02:17 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:02:17 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:02:17 INFO ImageRegion::fromRecord+ [0, 0, 0] to [3, 3, 2] (00:00:08.000, -00.02.00.000, I to 23:59:56.000, +00.01.00.000, U) 2026-04-20 20:02:17 INFO SubImageFactory::createImage Creating image 'no_Voutlpoli.im' of shape [4, 4, 1] 2026-04-20 20:02:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:17.295197 End time: 2026-04-20 20:02:17.325625 2026-04-20 20:02:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/no_Voutlpoli.im 2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa immath( imagename='noV.im', mode='tpoli', outfile='no_Vouttpoli.im', expr='IM0', varnames='', sigma='0.0mJy/beam', polithresh='', mask='', region='', box='', chans='', stokes='', stretch=False, imagemd='', prec='float' ) 2026-04-20 20:02:17 SEVERE immath::::casa Error running immath 2026-04-20 20:02:17 SEVERE immath::::casa Exception caught was: Stokes V is required for mode tpoli but was not found 2026-04-20 20:02:17 SEVERE immath::::casa Exception Reported: Error in immath: Stokes V is required for mode tpoli but was not found 2026-04-20 20:02:17 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:02:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:02:17 INFO immath::::casa+ task_result = _immath_t( _pc.document['imagename'],_pc.document['mode'],_pc.document['outfile'],_pc.document['expr'],_pc.document['varnames'],_pc.document['sigma'],_pc.document['polithresh'],_pc.document['mask'],_pc.document['region'],_pc.document['box'],_pc.document['chans'],_pc.document['stokes'],_pc.document['stretch'],_pc.document['imagemd'],_pc.document['prec'] ) 2026-04-20 20:02:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:02:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 209, in immath 2026-04-20 20:02:17 INFO immath::::casa+ _immath_new_poli( 2026-04-20 20:02:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 363, in _immath_new_poli 2026-04-20 20:02:17 INFO immath::::casa+ raise Exception( 2026-04-20 20:02:17 INFO immath::::casa+ Exception: Stokes V is required for mode tpoli but was not found 2026-04-20 20:02:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:02:17.332624 End time: 2026-04-20 20:02:17.336015 2026-04-20 20:02:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:02:17 INFO immath::::casa ########################################## 2026-04-20 20:02:17 INFO name:: No table opened. 2026-04-20 20:02:17 INFO showcache:: The Table Cache is empty. . ---------------------------------------------------------------------- Ran 32 tests in 18.177s OK Generating XML reports...