2026-04-20 20:45:16 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-04-20 20:45:16 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2026-04-20 20:45:16 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-04-20 20:45:16 INFO ::casa 2026-04-20 20:45:16 INFO ::casa config values 2026-04-20 20:45:16 INFO ::casa agg = False 2026-04-20 20:45:16 INFO ::casa cachedir = '/home/casatest/.casa' 2026-04-20 20:45:16 INFO ::casa casaconfig_verbose = 1 2026-04-20 20:45:16 INFO ::casa colors = 'Neutral' 2026-04-20 20:45:16 INFO ::casa data_auto_update = False 2026-04-20 20:45:16 INFO ::casa data_update_interval = 1 2026-04-20 20:45:16 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-04-20 20:45:16 INFO ::casa iplog = False 2026-04-20 20:45:16 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/ipython-20260420-204511.log' 2026-04-20 20:45:16 INFO ::casa log2term = True 2026-04-20 20:45:16 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/casa-20260420-204511.log' 2026-04-20 20:45:16 INFO ::casa measures_auto_update = False 2026-04-20 20:45:16 INFO ::casa measures_site = ['https://www.astron.nl/iers/', 'https://go.nrao.edu/iers/'] 2026-04-20 20:45:16 INFO ::casa measures_site_interval = 2 2026-04-20 20:45:16 INFO ::casa measures_update_interval = 1 2026-04-20 20:45:16 INFO ::casa measurespath = '/opt/casa/data/master' 2026-04-20 20:45:16 INFO ::casa nogui = False 2026-04-20 20:45:16 INFO ::casa nologfile = False 2026-04-20 20:45:16 INFO ::casa nologger = True 2026-04-20 20:45:16 INFO ::casa pipeline = False 2026-04-20 20:45:16 INFO ::casa skipnetworkcheck = False 2026-04-20 20:45:16 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-04-20 20:45:16 INFO ::casa user_site = False 2026-04-20 20:45:16 INFO ::casa 2026-04-20 20:45:16 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-04-20 20:45:16 INFO ::casa measures version is unknown, this is probably a legacy version not installed by casaconfig 2026-04-20 20:45:16 INFO ::casa 2026-04-20 20:45:16 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-04-20 20:45:16 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/02/23/15:15, 2025/12/31/00:00:00 2026-04-20 20:45:16 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/02/23/15:15, 2025/12/31/00:00:00 2026-04-20 20:45:16 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/04/20/15:15, 2026/07/19/00:00:00 2026-04-20 20:45:16 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 20:45:17 WARN ::casa The BOX parameter tests will cause errors to occur, do not be alarmed 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:17 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 20:45:17 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:45:17 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:45:17 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:17 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ RuntimeError: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:17 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 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:17 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:17 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.185159 End time: 2026-04-20 20:45:17.204781 2026-04-20 20:45:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:17 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 20:45:17 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:45:17 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:45:17 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:17 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ RuntimeError: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:17 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 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:17 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:17 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.206845 End time: 2026-04-20 20:45:17.217476 2026-04-20 20:45:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:17 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 20:45:17 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:45:17 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:45:17 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:17 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ RuntimeError: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:17 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 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:17 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:17 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.219397 End time: 2026-04-20 20:45:17.229336 2026-04-20 20:45:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:17 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 20:45:17 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:45:17 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:45:17 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:17 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ RuntimeError: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS blc in box spec is less than 0 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:17 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 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:17 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:17 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.231138 End time: 2026-04-20 20:45:17.240542 2026-04-20 20:45:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:17 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 20:45:17 INFO CasacRegionManager::_fromBCS dAxisNum0=0 dAxisNum1=1x=256 imShape[0]=256 y=254 imShape[1]=256 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:45:17 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:45:17 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:17 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ RuntimeError: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:17 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 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:17 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:17 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.242240 End time: 2026-04-20 20:45:17.251313 2026-04-20 20:45:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:17 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 20:45:17 INFO CasacRegionManager::_fromBCS dAxisNum0=0 dAxisNum1=1x=254 imShape[0]=256 y=256 imShape[1]=256 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:45:17 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:45:17 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:17 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ RuntimeError: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:17 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 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:17 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:17 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.252930 End time: 2026-04-20 20:45:17.261684 2026-04-20 20:45:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:17 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 20:45:17 INFO CasacRegionManager::_fromBCS dAxisNum0=0 dAxisNum1=1x=266 imShape[0]=256 y=200 imShape[1]=256 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:45:17 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:45:17 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:17 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ RuntimeError: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:17 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 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:17 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:17 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.263231 End time: 2026-04-20 20:45:17.271443 2026-04-20 20:45:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:17 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 20:45:17 INFO CasacRegionManager::_fromBCS dAxisNum0=0 dAxisNum1=1x=254 imShape[0]=256 y=266 imShape[1]=256 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:45:17 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:45:17 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:17 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:17 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ RuntimeError: 2026-04-20 20:45:17 SEVERE CasacRegionManager::_fromBCS trc in box spec is greater than or equal to number of direction coordinate pixels in the image 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:17 INFO immath::::casa+ 2026-04-20 20:45:17 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:17 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 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:17 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:17 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:17 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:17 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:17 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:17 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.272929 End time: 2026-04-20 20:45:17.280813 2026-04-20 20:45:17 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:17 INFO immath::::casa ########################################## 2026-04-20 20:45:17 INFO name:: No table opened. 2026-04-20 20:45:17 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:18 WARN immath::::casa The CHANS parameter tests will cause errors to occur, do not be alarmed 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:18 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 20:45:18 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 20:45:18 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:18 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:18 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:18 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:18 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 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 20:45:18 INFO immath::::casa+ 2026-04-20 20:45:18 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:18 INFO immath::::casa+ 2026-04-20 20:45:18 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:18 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 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:18 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:18 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:18 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.546441 End time: 2026-04-20 20:45:17.559361 2026-04-20 20:45:18 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:18 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 20:45:18 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 20:45:18 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:18 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:18 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:18 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:18 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 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 20:45:18 INFO immath::::casa+ 2026-04-20 20:45:18 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:18 INFO immath::::casa+ 2026-04-20 20:45:18 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:18 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 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:18 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:18 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:18 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.561665 End time: 2026-04-20 20:45:17.572778 2026-04-20 20:45:18 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:18 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 20:45:18 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 20:45:18 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:18 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:18 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:18 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:18 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 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 20:45:18 INFO immath::::casa+ 2026-04-20 20:45:18 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:18 INFO immath::::casa+ 2026-04-20 20:45:18 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:18 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 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:18 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:18 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:18 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.574805 End time: 2026-04-20 20:45:17.585048 2026-04-20 20:45:18 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:18 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 20:45:18 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 20:45:18 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 20:45:18 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:18 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:18 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:18 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:18 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 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 20:45:18 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 20:45:18 INFO immath::::casa+ 2026-04-20 20:45:18 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:18 INFO immath::::casa+ 2026-04-20 20:45:18 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:18 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 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:18 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:18 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:18 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.586922 End time: 2026-04-20 20:45:17.596689 2026-04-20 20:45:18 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:18 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 20:45:18 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 20:45:18 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 20:45:18 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:18 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:18 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:18 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:18 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 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 20:45:18 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 20:45:18 INFO immath::::casa+ 2026-04-20 20:45:18 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:18 INFO immath::::casa+ 2026-04-20 20:45:18 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:18 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 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:18 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:18 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:18 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:18 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:18 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:18 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.598465 End time: 2026-04-20 20:45:17.607606 2026-04-20 20:45:18 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO name:: No table opened. 2026-04-20 20:45:18 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:18 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 20:45:18 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:18 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:45:18 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:18 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:18 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 20:45:18 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [256, 256, 1, 14] 2026-04-20 20:45:18 INFO ImageExprCalculator::_imagecalc Creating image `input_test14' of shape [256, 256, 1, 14] 2026-04-20 20:45:18 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:17.916231 End time: 2026-04-20 20:45:18.044288 2026-04-20 20:45:18 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:18 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 20:45:18 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:18 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:45:18 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:18 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:18 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 20:45:18 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [256, 256, 1, 1] 2026-04-20 20:45:18 INFO ImageExprCalculator::_imagecalc Creating image `input_test15' of shape [256, 256, 1, 1] 2026-04-20 20:45:18 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:18.046253 End time: 2026-04-20 20:45:18.128776 2026-04-20 20:45:18 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:18 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 20:45:18 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:18 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:45:18 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:18 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:18 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 20:45:18 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [256, 256, 1, 1] 2026-04-20 20:45:18 INFO ImageExprCalculator::_imagecalc Creating image `input_test16' of shape [256, 256, 1, 1] 2026-04-20 20:45:18 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:18.130649 End time: 2026-04-20 20:45:18.222107 2026-04-20 20:45:18 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:18 INFO immath::::casa ########################################## 2026-04-20 20:45:18 INFO name:: No table opened. 2026-04-20 20:45:18 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 20:45:19 WARN immath::::casa The STOKES parameter tests will cause errors to occur, do not be alarmed 2026-04-20 20:45:19 INFO immath::::casa ########################################## 2026-04-20 20:45:19 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:19 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 20:45:19 SEVERE regionmanager::frombcs Exception Reported: LCBox::LCBox - blc [0, 0, 0, 0] must be <= trc [255, 255, -2147483648, 45] 2026-04-20 20:45:19 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:19 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:19 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:19 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:19 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:19 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:19 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ RuntimeError: LCBox::LCBox - blc [0, 0, 0, 0] must be <= trc [255, 255, -2147483648, 45] 2026-04-20 20:45:19 INFO immath::::casa+ 2026-04-20 20:45:19 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:19 INFO immath::::casa+ 2026-04-20 20:45:19 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:19 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 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:19 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:19 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:19 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:19 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:18.505227 End time: 2026-04-20 20:45:18.519311 2026-04-20 20:45:19 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:19 INFO immath::::casa ########################################## 2026-04-20 20:45:19 INFO immath::::casa ########################################## 2026-04-20 20:45:19 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:19 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 20:45:19 SEVERE CasacRegionManager::_setPolarizationRanges (Sub)String YELLOW in stokes specification part YELLOW does not match a known polarization. 2026-04-20 20:45:19 SEVERE regionmanager::frombcs Exception Reported: 2026-04-20 20:45:19 SEVERE CasacRegionManager::_setPolarizationRanges (Sub)String YELLOW in stokes specification part YELLOW does not match a known polarization. 2026-04-20 20:45:19 SEVERE immath::::casa Unable to process expression IM0 2026-04-20 20:45:19 SEVERE immath::::casa Exception caught was: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:19 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:19 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 450, in _immath_createsubimages 2026-04-20 20:45:19 INFO immath::::casa+ reg = myrg.frombcs(csys=myia.coordsys().torecord(), 2026-04-20 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/regionmanager.py", line 73, in frombcs 2026-04-20 20:45:19 INFO immath::::casa+ return self._swigobj.frombcs(csys, shape, box, chans, stokes, stokescontrol, region) 2026-04-20 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/regionmanager.py", line 329, in frombcs 2026-04-20 20:45:19 INFO immath::::casa+ return _regionmanager.regionmanager_frombcs(self, *args, **kwargs) 2026-04-20 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ RuntimeError: 2026-04-20 20:45:19 SEVERE CasacRegionManager::_setPolarizationRanges (Sub)String YELLOW in stokes specification part YELLOW does not match a known polarization. 2026-04-20 20:45:19 INFO immath::::casa+ 2026-04-20 20:45:19 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:19 INFO immath::::casa+ 2026-04-20 20:45:19 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:19 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 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:19 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:19 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:19 INFO immath::::casa+ Exception: Unable to apply region to file: ngc5921.clean.image 2026-04-20 20:45:19 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:18.521604 End time: 2026-04-20 20:45:18.533170 2026-04-20 20:45:19 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:19 INFO immath::::casa ########################################## 2026-04-20 20:45:19 INFO immath::::casa ########################################## 2026-04-20 20:45:19 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:19 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 20:45:19 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:19 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:19 INFO CasacRegionManager::fromBCS Using polarizations I 2026-04-20 20:45:19 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:19 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 20:45:19 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [256, 256, 1, 46] 2026-04-20 20:45:19 INFO ImageExprCalculator::_imagecalc Creating image `input_test17' of shape [256, 256, 1, 46] 2026-04-20 20:45:19 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:18.535273 End time: 2026-04-20 20:45:18.696098 2026-04-20 20:45:19 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:19 INFO immath::::casa ########################################## 2026-04-20 20:45:19 INFO name:: No table opened. 2026-04-20 20:45:19 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:19 WARN immath::::casa The IMAGENAME parameter tests will cause errors to occur, do not be alarmed 2026-04-20 20:45:19 INFO immath::::casa ########################################## 2026-04-20 20:45:19 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:19 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 20:45:19 SEVERE Exception Reported: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:19 SEVERE + ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:19 SEVERE immath::::casa Unable to process expression 2026-04-20 20:45:19 SEVERE immath::::casa Exception caught was: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:19 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:19 SEVERE immath::::casa Exception Reported: Error in immath: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:19 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:19 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:19 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 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 238, in immath 2026-04-20 20:45:19 INFO immath::::casa+ outia = _immath_dofull( 2026-04-20 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 476, in _immath_dofull 2026-04-20 20:45:19 INFO immath::::casa+ return _immath_compute( 2026-04-20 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 409, in _immath_compute 2026-04-20 20:45:19 INFO immath::::casa+ res = myia.imagecalc( 2026-04-20 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/image.py", line 108, in imagecalc 2026-04-20 20:45:19 INFO immath::::casa+ return _wrap_image(swig_object=self._swigobj.imagecalc(outfile, pixels, overwrite, imagemd, prec)) 2026-04-20 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/image.py", line 354, in imagecalc 2026-04-20 20:45:19 INFO immath::::casa+ return _image.image_imagecalc(self, *args, **kwargs) 2026-04-20 20:45:19 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:19 INFO immath::::casa+ RuntimeError: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:19 INFO immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:19 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:18.986563 End time: 2026-04-20 20:45:18.996618 2026-04-20 20:45:19 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:19 INFO immath::::casa ########################################## 2026-04-20 20:45:19 INFO name:: No table opened. 2026-04-20 20:45:19 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:19 INFO immath::::casa ########################################## 2026-04-20 20:45:19 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:19 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 20:45:19 INFO ImageExprCalculator::_imagecalc Creating image `input_test2' of shape [256, 256, 1, 46] 2026-04-20 20:45:19 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:19.290003 End time: 2026-04-20 20:45:19.369317 2026-04-20 20:45:19 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:19 INFO immath::::casa ########################################## 2026-04-20 20:45:19 INFO name:: No table opened. 2026-04-20 20:45:19 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:20 INFO immath::::casa ########################################## 2026-04-20 20:45:20 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:20 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 20:45:20 SEVERE Exception Reported: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:20 SEVERE + ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:20 SEVERE immath::::casa Unable to process expression 2026-04-20 20:45:20 SEVERE immath::::casa Exception caught was: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:20 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:20 SEVERE immath::::casa Exception Reported: Error in immath: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:20 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:20 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:20 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:20 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 20:45:20 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:20 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 238, in immath 2026-04-20 20:45:20 INFO immath::::casa+ outia = _immath_dofull( 2026-04-20 20:45:20 INFO immath::::casa+ ^^^^^^^^^^^^^^^ 2026-04-20 20:45:20 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 476, in _immath_dofull 2026-04-20 20:45:20 INFO immath::::casa+ return _immath_compute( 2026-04-20 20:45:20 INFO immath::::casa+ ^^^^^^^^^^^^^^^^ 2026-04-20 20:45:20 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 409, in _immath_compute 2026-04-20 20:45:20 INFO immath::::casa+ res = myia.imagecalc( 2026-04-20 20:45:20 INFO immath::::casa+ ^^^^^^^^^^^^^^^ 2026-04-20 20:45:20 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/image.py", line 108, in imagecalc 2026-04-20 20:45:20 INFO immath::::casa+ return _wrap_image(swig_object=self._swigobj.imagecalc(outfile, pixels, overwrite, imagemd, prec)) 2026-04-20 20:45:20 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:20 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/image.py", line 354, in imagecalc 2026-04-20 20:45:20 INFO immath::::casa+ return _image.image_imagecalc(self, *args, **kwargs) 2026-04-20 20:45:20 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:20 INFO immath::::casa+ RuntimeError: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:20 INFO immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:20 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:19.693678 End time: 2026-04-20 20:45:19.695946 2026-04-20 20:45:20 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:20 INFO immath::::casa ########################################## 2026-04-20 20:45:20 INFO name:: No table opened. 2026-04-20 20:45:20 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:20 INFO immath::::casa ########################################## 2026-04-20 20:45:20 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:20 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 20:45:20 INFO ImageExprCalculator::_imagecalc Creating image `input_test4' of shape [256, 256, 1, 46] 2026-04-20 20:45:20 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:19.907907 End time: 2026-04-20 20:45:19.987907 2026-04-20 20:45:20 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:20 INFO immath::::casa ########################################## 2026-04-20 20:45:20 WARN immath::::casa The OUTFILE parameter tests will cause errors to occur, do not be alarmed 2026-04-20 20:45:20 INFO immath::::casa ########################################## 2026-04-20 20:45:20 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:20 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 20:45:20 SEVERE immath::::casa Unable to process expression IM0*1 2026-04-20 20:45:20 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 20:45:20 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 20:45:20 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:20 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:20 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 20:45:20 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:20 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 187, in immath 2026-04-20 20:45:20 INFO immath::::casa+ outfile = _immath_check_outfile(outfile) 2026-04-20 20:45:20 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:20 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 537, in _immath_check_outfile 2026-04-20 20:45:20 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:20 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 20:45:20 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:19.990442 End time: 2026-04-20 20:45:19.993284 2026-04-20 20:45:20 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:20 INFO immath::::casa ########################################## 2026-04-20 20:45:20 INFO name:: No table opened. 2026-04-20 20:45:20 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:20 INFO immath::::casa ########################################## 2026-04-20 20:45:20 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:20 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 20:45:20 INFO ImageExprCalculator::_imagecalc Creating image `input_test5' of shape [256, 256, 1, 46] 2026-04-20 20:45:20 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:20.223876 End time: 2026-04-20 20:45:20.307314 2026-04-20 20:45:20 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:20 INFO immath::::casa ########################################## 2026-04-20 20:45:20 INFO name:: No table opened. 2026-04-20 20:45:20 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:21 WARN immath::::casa The REGION parameter tests will cause errors to occur, do not be alarmed 2026-04-20 20:45:21 INFO immath::::casa ########################################## 2026-04-20 20:45:21 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:21 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 20:45:21 SEVERE Exception Reported: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:21 SEVERE + ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:21 SEVERE immath::::casa Unable to process expression 2026-04-20 20:45:21 SEVERE immath::::casa Exception caught was: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:21 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:21 SEVERE immath::::casa Exception Reported: Error in immath: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:21 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:21 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:21 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:21 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 20:45:21 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:21 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 232, in immath 2026-04-20 20:45:21 INFO immath::::casa+ outia = _immath_compute( 2026-04-20 20:45:21 INFO immath::::casa+ ^^^^^^^^^^^^^^^^ 2026-04-20 20:45:21 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 409, in _immath_compute 2026-04-20 20:45:21 INFO immath::::casa+ res = myia.imagecalc( 2026-04-20 20:45:21 INFO immath::::casa+ ^^^^^^^^^^^^^^^ 2026-04-20 20:45:21 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/image.py", line 108, in imagecalc 2026-04-20 20:45:21 INFO immath::::casa+ return _wrap_image(swig_object=self._swigobj.imagecalc(outfile, pixels, overwrite, imagemd, prec)) 2026-04-20 20:45:21 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:21 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/image.py", line 354, in imagecalc 2026-04-20 20:45:21 INFO immath::::casa+ return _image.image_imagecalc(self, *args, **kwargs) 2026-04-20 20:45:21 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:21 INFO immath::::casa+ RuntimeError: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:21 INFO immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:21 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:20.598986 End time: 2026-04-20 20:45:20.602486 2026-04-20 20:45:21 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:21 INFO immath::::casa ########################################## 2026-04-20 20:45:21 INFO immath::::casa ########################################## 2026-04-20 20:45:21 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:21 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 20:45:21 SEVERE Exception Reported: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:21 SEVERE + ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:21 SEVERE immath::::casa Unable to process expression 2026-04-20 20:45:21 SEVERE immath::::casa Exception caught was: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:21 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:21 SEVERE immath::::casa Exception Reported: Error in immath: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:21 SEVERE immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:21 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:21 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:21 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 20:45:21 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:21 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 232, in immath 2026-04-20 20:45:21 INFO immath::::casa+ outia = _immath_compute( 2026-04-20 20:45:21 INFO immath::::casa+ ^^^^^^^^^^^^^^^^ 2026-04-20 20:45:21 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 409, in _immath_compute 2026-04-20 20:45:21 INFO immath::::casa+ res = myia.imagecalc( 2026-04-20 20:45:21 INFO immath::::casa+ ^^^^^^^^^^^^^^^ 2026-04-20 20:45:21 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/image.py", line 108, in imagecalc 2026-04-20 20:45:21 INFO immath::::casa+ return _wrap_image(swig_object=self._swigobj.imagecalc(outfile, pixels, overwrite, imagemd, prec)) 2026-04-20 20:45:21 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:21 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/image.py", line 354, in imagecalc 2026-04-20 20:45:21 INFO immath::::casa+ return _image.image_imagecalc(self, *args, **kwargs) 2026-04-20 20:45:21 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:21 INFO immath::::casa+ RuntimeError: Exception: You must provide an expression using the pixels parameter. 2026-04-20 20:45:21 INFO immath::::casa+ ... thrown by casac::image* casac::image::imagecalc(const string&, const string&, bool, const string&, const string&) at File: src/tools/image/image_cmpt.cc, line: 3195 2026-04-20 20:45:21 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:20.605036 End time: 2026-04-20 20:45:20.608018 2026-04-20 20:45:21 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:21 INFO immath::::casa ########################################## 2026-04-20 20:45:21 INFO name:: No table opened. 2026-04-20 20:45:21 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:21 INFO immath::::casa ########################################## 2026-04-20 20:45:21 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:21 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 20:45:21 INFO CasacRegionManager::fromBCS Region read from binary region file n1333_both.image.rgn 2026-04-20 20:45:21 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:21 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 20:45:21 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [42, 32, 1, 1] 2026-04-20 20:45:21 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:45:21 INFO ImageExprCalculator::_imagecalc Creating image `input_test12' of shape [42, 32, 1, 1] 2026-04-20 20:45:21 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:45:21 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:20.897124 End time: 2026-04-20 20:45:21.015793 2026-04-20 20:45:21 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:21 INFO immath::::casa ########################################## 2026-04-20 20:45:21 INFO name:: No table opened. 2026-04-20 20:45:21 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 20:45:22 INFO immath::::casa ########################################## 2026-04-20 20:45:22 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:22 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 20:45:22 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:22 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:45:22 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:22 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:22 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 20:45:22 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [256, 256, 1, 1] 2026-04-20 20:45:22 INFO ImageExprCalculator::_imagecalc Creating image `cas1830_out+0' of shape [256, 256, 1, 1] 2026-04-20 20:45:22 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:22.328066 End time: 2026-04-20 20:45:22.426580 2026-04-20 20:45:22 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:22 INFO immath::::casa ########################################## 2026-04-20 20:45:22 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/cas1830_out+0 2026-04-20 20:45:22 INFO immath::::casa ########################################## 2026-04-20 20:45:22 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:22 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 20:45:22 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:22 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:45:22 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:22 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:22 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 20:45:22 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [256, 256, 1, 1] 2026-04-20 20:45:22 INFO ImageExprCalculator::_imagecalc Creating image `cas1830_out+1' of shape [256, 256, 1, 1] 2026-04-20 20:45:23 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:22.439538 End time: 2026-04-20 20:45:22.526251 2026-04-20 20:45:23 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:23 INFO immath::::casa ########################################## 2026-04-20 20:45:23 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/cas1830_out+1 2026-04-20 20:45:23 INFO immath::::casa ########################################## 2026-04-20 20:45:23 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:23 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 20:45:23 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:23 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:45:23 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:23 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:23 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 20:45:23 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [256, 256, 1, 1] 2026-04-20 20:45:23 INFO ImageExprCalculator::_imagecalc Creating image `cas1830_out+2' of shape [256, 256, 1, 1] 2026-04-20 20:45:23 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:22.537719 End time: 2026-04-20 20:45:22.615858 2026-04-20 20:45:23 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:23 INFO immath::::casa ########################################## 2026-04-20 20:45:23 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/cas1830_out+2 2026-04-20 20:45:23 INFO immath::::casa ########################################## 2026-04-20 20:45:23 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:23 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 20:45:23 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:23 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:45:23 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:23 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:23 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 20:45:23 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [256, 256, 1, 1] 2026-04-20 20:45:23 INFO ImageExprCalculator::_imagecalc Creating image `cas1830_out+3' of shape [256, 256, 1, 1] 2026-04-20 20:45:23 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:22.626407 End time: 2026-04-20 20:45:22.701574 2026-04-20 20:45:23 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:23 INFO immath::::casa ########################################## 2026-04-20 20:45:23 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/cas1830_out+3 2026-04-20 20:45:23 INFO immath::::casa ########################################## 2026-04-20 20:45:23 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:23 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 20:45:23 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:23 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:45:23 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:23 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:23 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 20:45:23 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [256, 256, 1, 1] 2026-04-20 20:45:23 INFO ImageExprCalculator::_imagecalc Creating image `cas1830_out+4' of shape [256, 256, 1, 1] 2026-04-20 20:45:23 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:22.715952 End time: 2026-04-20 20:45:22.801310 2026-04-20 20:45:23 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:23 INFO immath::::casa ########################################## 2026-04-20 20:45:23 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/cas1830_out+4 2026-04-20 20:45:23 INFO name:: No table opened. 2026-04-20 20:45:23 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:23 INFO immath::::casa ########################################## 2026-04-20 20:45:23 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:23 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 20:45:23 INFO CasacRegionManager::fromBCS Using specified box(es) 708,1158,1006,1456 2026-04-20 20:45:23 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:23 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 20:45:23 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [299, 299] 2026-04-20 20:45:23 INFO ImageExprCalculator::_imagecalc Creating image `cas-1910_out.im' of shape [299, 299] 2026-04-20 20:45:23 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:23.033450 End time: 2026-04-20 20:45:23.107278 2026-04-20 20:45:23 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:23 INFO immath::::casa ########################################## 2026-04-20 20:45:23 INFO name:: No table opened. 2026-04-20 20:45:23 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:23 INFO immath::::casa ########################################## 2026-04-20 20:45:23 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:23 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 20:45:23 INFO ImageExprCalculator::_imagecalc Creating image `expr_test1' of shape [256, 256, 1, 46] 2026-04-20 20:45:23 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:23.303232 End time: 2026-04-20 20:45:23.362969 2026-04-20 20:45:23 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:23 INFO immath::::casa ########################################## 2026-04-20 20:45:24 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/expr_test1 2026-04-20 20:45:24 INFO name:: No table opened. 2026-04-20 20:45:24 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:24 INFO immath::::casa ########################################## 2026-04-20 20:45:24 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:24 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 20:45:24 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:24 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:45:24 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:24 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:24 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 20:45:24 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [256, 256, 1, 1] 2026-04-20 20:45:24 INFO ImageExprCalculator::_imagecalc Creating image `expr_test2' of shape [256, 256, 1, 1] 2026-04-20 20:45:24 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:23.843984 End time: 2026-04-20 20:45:23.910076 2026-04-20 20:45:24 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:24 INFO immath::::casa ########################################## 2026-04-20 20:45:24 INFO name:: No table opened. 2026-04-20 20:45:24 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:24 INFO immath::::casa ########################################## 2026-04-20 20:45:24 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:24 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 20:45:24 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:24 INFO CasacRegionManager::fromBCS Using channel range(s) 2026-04-20 20:45:24 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:24 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:24 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 20:45:24 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [256, 256, 1, 1] 2026-04-20 20:45:24 INFO ImageExprCalculator::_imagecalc Creating image `expr_test2' of shape [256, 256, 1, 1] 2026-04-20 20:45:24 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:24.160259 End time: 2026-04-20 20:45:24.240252 2026-04-20 20:45:24 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:24 INFO immath::::casa ########################################## 2026-04-20 20:45:24 INFO immath::::casa ########################################## 2026-04-20 20:45:24 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:24 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 20:45:24 INFO ImageExprCalculator::_imagecalc Creating image `expr_test3' of shape [256, 256, 1, 46] 2026-04-20 20:45:24 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:24.242595 End time: 2026-04-20 20:45:24.333528 2026-04-20 20:45:24 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:24 INFO immath::::casa ########################################## 2026-04-20 20:45:25 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/expr_test3 2026-04-20 20:45:25 INFO name:: No table opened. 2026-04-20 20:45:25 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:25 INFO immath::::casa ########################################## 2026-04-20 20:45:25 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:25 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 20:45:25 INFO ImageExprCalculator::_imagecalc Creating image `full_image_sum.im' of shape [2, 2] 2026-04-20 20:45:25 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:24.995871 End time: 2026-04-20 20:45:25.080587 2026-04-20 20:45:25 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:25 INFO immath::::casa ########################################## 2026-04-20 20:45:25 INFO immath::::casa ########################################## 2026-04-20 20:45:25 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:25 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 20:45:25 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:45:25 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:25 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 20:45:25 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [1, 1] 2026-04-20 20:45:25 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:45:25 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:25 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 20:45:25 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_1' of shape [1, 1] 2026-04-20 20:45:25 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:45:25 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:25 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 20:45:25 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_2' of shape [1, 1] 2026-04-20 20:45:25 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:45:25 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:25 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 20:45:25 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_3' of shape [1, 1] 2026-04-20 20:45:25 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:45:25 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:25 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 20:45:25 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_4' of shape [1, 1] 2026-04-20 20:45:25 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:45:25 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:25 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 20:45:25 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_5' of shape [1, 1] 2026-04-20 20:45:25 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:45:25 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:25 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 20:45:25 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_6' of shape [1, 1] 2026-04-20 20:45:25 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:45:25 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:25 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 20:45:25 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_7' of shape [1, 1] 2026-04-20 20:45:25 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:45:25 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:25 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 20:45:25 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_8' of shape [1, 1] 2026-04-20 20:45:25 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:45:25 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:25 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 20:45:25 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_9' of shape [1, 1] 2026-04-20 20:45:25 INFO CasacRegionManager::fromBCS Using specified box(es) 0,0,0,0 2026-04-20 20:45:25 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:25 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 20:45:25 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_10' of shape [1, 1] 2026-04-20 20:45:25 INFO ImageExprCalculator::_imagecalc Creating image `subimage_sum.im' of shape [1, 1] 2026-04-20 20:45:25 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:25.085474 End time: 2026-04-20 20:45:25.462156 2026-04-20 20:45:25 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:25 INFO immath::::casa ########################################## 2026-04-20 20:45:26 INFO name:: No table opened. 2026-04-20 20:45:26 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:26 INFO immath::::casa ########################################## 2026-04-20 20:45:26 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:26 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 20:45:26 INFO ImageExprCalculator::_imagecalc Creating image `cas-1452_out_sin.im' of shape [2048, 2048] 2026-04-20 20:45:26 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:26.016159 End time: 2026-04-20 20:45:26.160040 2026-04-20 20:45:26 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:26 INFO immath::::casa ########################################## 2026-04-20 20:45:26 INFO immath::::casa ########################################## 2026-04-20 20:45:26 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:26 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 20:45:26 INFO ImageExprCalculator::_imagecalc Creating image `cas-1452_out_SIN.im' of shape [2048, 2048] 2026-04-20 20:45:26 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:26.316290 End time: 2026-04-20 20:45:26.433889 2026-04-20 20:45:26 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:26 INFO immath::::casa ########################################## 2026-04-20 20:45:27 INFO immath::::casa ########################################## 2026-04-20 20:45:27 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:27 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 20:45:27 INFO ImageExprCalculator::_imagecalc Creating image `cas-1452_out_Sin.im' of shape [2048, 2048] 2026-04-20 20:45:27 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:26.697728 End time: 2026-04-20 20:45:26.831551 2026-04-20 20:45:27 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:27 INFO immath::::casa ########################################## 2026-04-20 20:45:27 INFO name:: No table opened. 2026-04-20 20:45:27 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:27 INFO name:: No table opened. 2026-04-20 20:45:27 INFO showcache:: The Table Cache is empty. 2026-04-20 20:45:27 INFO immath::::casa ########################################## 2026-04-20 20:45:27 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:27 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 20:45:27 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:27 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:27 INFO CasacRegionManager::fromBCS Using polarizations I 2026-04-20 20:45:27 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:27 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 20:45:27 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [2048, 2048, 1, 1] 2026-04-20 20:45:27 INFO ImageExprCalculator::_imagecalc Creating image `pol_test_I.im' of shape [2048, 2048, 1, 1] 2026-04-20 20:45:27 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:27.167457 End time: 2026-04-20 20:45:27.372944 2026-04-20 20:45:27 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:27 INFO immath::::casa ########################################## 2026-04-20 20:45:27 INFO immath::::casa ########################################## 2026-04-20 20:45:27 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:27 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 20:45:27 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:27 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:27 INFO CasacRegionManager::fromBCS Using polarizations Q 2026-04-20 20:45:27 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:27 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 20:45:27 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [2048, 2048, 1, 1] 2026-04-20 20:45:27 INFO ImageExprCalculator::_imagecalc Creating image `pol_test_Q.im' of shape [2048, 2048, 1, 1] 2026-04-20 20:45:28 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:27.374226 End time: 2026-04-20 20:45:27.545984 2026-04-20 20:45:28 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:28 INFO immath::::casa ########################################## 2026-04-20 20:45:28 INFO immath::::casa ########################################## 2026-04-20 20:45:28 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:28 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 20:45:28 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:28 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:28 INFO CasacRegionManager::fromBCS Using polarizations U 2026-04-20 20:45:28 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:28 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 20:45:28 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [2048, 2048, 1, 1] 2026-04-20 20:45:28 INFO ImageExprCalculator::_imagecalc Creating image `pol_test_U.im' of shape [2048, 2048, 1, 1] 2026-04-20 20:45:28 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:27.548013 End time: 2026-04-20 20:45:27.752775 2026-04-20 20:45:28 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:28 INFO immath::::casa ########################################## 2026-04-20 20:45:28 INFO immath::::casa ########################################## 2026-04-20 20:45:28 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:28 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 20:45:28 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:28 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:28 INFO CasacRegionManager::fromBCS Using polarizations V 2026-04-20 20:45:28 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:28 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 20:45:28 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [2048, 2048, 1, 1] 2026-04-20 20:45:28 INFO ImageExprCalculator::_imagecalc Creating image `pol_test_V.im' of shape [2048, 2048, 1, 1] 2026-04-20 20:45:28 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:27.754605 End time: 2026-04-20 20:45:27.945733 2026-04-20 20:45:28 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:28 INFO immath::::casa ########################################## 2026-04-20 20:45:28 INFO immath::::casa ########################################## 2026-04-20 20:45:28 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:28 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 20:45:28 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:45:28 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 3 2026-04-20 20:45:28 INFO SubImageFactory::createImage Creating image '_immath_tmp7682__concat_for_poli' of shape [2048, 2048, 3, 1] 2026-04-20 20:45:29 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:29 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:29 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:29 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:29 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 20:45:29 INFO SubImageFactory::createImage Creating image 'pol_test1' of shape [2048, 2048, 1, 1] 2026-04-20 20:45:29 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:27.948477 End time: 2026-04-20 20:45:28.742167 2026-04-20 20:45:29 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:29 INFO immath::::casa ########################################## 2026-04-20 20:45:29 INFO immath::::casa ########################################## 2026-04-20 20:45:29 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:29 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 20:45:29 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:45:29 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:45:29 INFO SubImageFactory::createImage Creating image '_immath_tmp7682__concat_for_poli' of shape [2048, 2048, 2, 1] 2026-04-20 20:45:29 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:29 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:29 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:29 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:29 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 20:45:29 INFO SubImageFactory::createImage Creating image 'linear_pol_intensity_test' of shape [2048, 2048, 1, 1] 2026-04-20 20:45:29 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:28.754591 End time: 2026-04-20 20:45:29.329431 2026-04-20 20:45:29 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:29 INFO immath::::casa ########################################## 2026-04-20 20:45:29 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/linear_pol_intensity_test 2026-04-20 20:45:29 INFO immath::::casa ########################################## 2026-04-20 20:45:29 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:29 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 20:45:29 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:45:29 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:45:29 INFO SubImageFactory::createImage Creating image '_immath_tmp7682__concat_for_pola' of shape [2048, 2048, 2, 1] 2026-04-20 20:45:30 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:30 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:30 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:30 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:30 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 20:45:30 INFO SubImageFactory::createImage Creating image 'pol_test2' of shape [2048, 2048, 1, 1] 2026-04-20 20:45:30 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:29.350619 End time: 2026-04-20 20:45:29.948558 2026-04-20 20:45:30 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:30 INFO immath::::casa ########################################## 2026-04-20 20:45:30 INFO name:: No table opened. 2026-04-20 20:45:30 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:31 INFO ImageFactory::createImage Created Paged image 'im.1' of shape [8, 12] with float valued pixels. 2026-04-20 20:45:31 INFO ImageFactory::createImage Created Paged image 'im.2' of shape [8, 12] with float valued pixels. 2026-04-20 20:45:31 INFO ImageExprCalculator::_imagecalc Creating image `ex1.1' of shape [8, 12] 2026-04-20 20:45:31 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:31 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 20:45:31 INFO ImageExprCalculator::_imagecalc Creating image `im.4' of shape [8, 12] 2026-04-20 20:45:31 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:45:31 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 20:45:31 SEVERE image::close (file src/tools/image/image_cmpt.cc, line 693)+ Scanned so far: "im.1"+"im..2" 2026-04-20 20:45:31 SEVERE image::close (file src/tools/image/image_cmpt.cc, line 693) Exception Reported: 3-argument function max is unknown 2026-04-20 20:45:31 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 20:45:31 INFO name:: No table opened. 2026-04-20 20:45:31 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:31 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 20:45:31 SEVERE image::close (file src/tools/image/image_cmpt.cc, line 693)+ Scanned so far: i_like_doggies 2026-04-20 20:45:31 INFO ImageFactory::createImage Created Paged image 'ia.fromarray1.image' of shape [10, 20, 5] with float valued pixels. 2026-04-20 20:45:31 INFO ImageFactory::createImage Created Paged image 'ia.fromshape2.image' of shape [20, 40, 10] with float valued pixels. 2026-04-20 20:45:31 SEVERE image::newimagefromshape (file src/tools/image/image_cmpt.cc, line 4176) Exception Reported: LatticeExprNode - shapes of operands mismatch 2026-04-20 20:45:31 SEVERE image::newimagefromshape (file src/tools/image/image_cmpt.cc, line 4176)+ Scanned so far: ia.fromarray1.image+ia.fromshape2.image 2026-04-20 20:45:31 INFO ImageExprCalculator::_imagecalc Creating image `imagecalc.image' of shape [10, 20, 5] 2026-04-20 20:45:31 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/imagecalc.image 2026-04-20 20:45:31 INFO name:: No table opened. 2026-04-20 20:45:31 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:31 INFO immath::::casa ########################################## 2026-04-20 20:45:31 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:31 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 20:45:31 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:45:31 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:45:32 INFO SubImageFactory::createImage Creating image '_immath_tmp7682__concat_for_pola' of shape [501, 501, 2, 1] 2026-04-20 20:45:32 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:32 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:32 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:32 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:32 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 20:45:32 INFO SubImageFactory::createImage Creating image 'pola_1.im' of shape [501, 501, 1, 1] 2026-04-20 20:45:32 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:31.453234 End time: 2026-04-20 20:45:31.670051 2026-04-20 20:45:32 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:32 INFO immath::::casa ########################################## 2026-04-20 20:45:32 INFO immath::::casa ########################################## 2026-04-20 20:45:32 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:32 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 20:45:32 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:45:32 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:45:32 INFO SubImageFactory::createImage Creating image '_immath_tmp7682__concat_for_pola' of shape [501, 501, 2, 1] 2026-04-20 20:45:32 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:32 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:32 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:32 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:32 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 20:45:32 INFO SubImageFactory::createImage Creating image 'pola_2.im' of shape [501, 501, 1, 1] 2026-04-20 20:45:32 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:31.705600 End time: 2026-04-20 20:45:31.949399 2026-04-20 20:45:32 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:32 INFO immath::::casa ########################################## 2026-04-20 20:45:32 INFO immath::::casa ########################################## 2026-04-20 20:45:32 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:32 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 20:45:32 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:32 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:32 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:32 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:32 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 20:45:32 INFO SubImageFactory::createImage Creating image 'pola_3.im' of shape [501, 501, 1, 1] 2026-04-20 20:45:32 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:31.967146 End time: 2026-04-20 20:45:32.151012 2026-04-20 20:45:32 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:32 INFO immath::::casa ########################################## 2026-04-20 20:45:32 INFO immath::::casa ########################################## 2026-04-20 20:45:32 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:32 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 20:45:32 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:32 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:32 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:32 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:32 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 20:45:32 INFO SubImageFactory::createImage Creating image 'pola_4.im' of shape [501, 501, 1, 1] 2026-04-20 20:45:32 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:32.181400 End time: 2026-04-20 20:45:32.336744 2026-04-20 20:45:32 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:32 INFO immath::::casa ########################################## 2026-04-20 20:45:32 INFO immath::::casa ########################################## 2026-04-20 20:45:32 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:32 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 20:45:32 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:32 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:32 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:32 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:32 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 20:45:32 INFO SubImageFactory::createImage Creating image 'pola_5.im' of shape [501, 501, 1, 1] 2026-04-20 20:45:33 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:32.366509 End time: 2026-04-20 20:45:32.505816 2026-04-20 20:45:33 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:33 INFO immath::::casa ########################################## 2026-04-20 20:45:33 INFO immath::::casa ########################################## 2026-04-20 20:45:33 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:33 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 20:45:33 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:33 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 20:45:33 SEVERE immath::::casa Error running immath 2026-04-20 20:45:33 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 20:45:33 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 20:45:33 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:33 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 20:45:33 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 203, in immath 2026-04-20 20:45:33 INFO immath::::casa+ _immath_new_pola( 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 331, in _immath_new_pola 2026-04-20 20:45:33 INFO immath::::casa+ mypo.open(target) 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/imagepol.py", line 264, in open 2026-04-20 20:45:33 INFO immath::::casa+ return self._swigobj.open(image) 2026-04-20 20:45:33 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/imagepol.py", line 784, in open 2026-04-20 20:45:33 INFO immath::::casa+ return _imagepol.imagepol_open(self, *args, **kwargs) 2026-04-20 20:45:33 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:33 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 20:45:33 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:32.538381 End time: 2026-04-20 20:45:32.604512 2026-04-20 20:45:33 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:33 INFO immath::::casa ########################################## 2026-04-20 20:45:33 INFO immath::::casa ########################################## 2026-04-20 20:45:33 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:33 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 20:45:33 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:33 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 20:45:33 SEVERE immath::::casa Error running immath 2026-04-20 20:45:33 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 20:45:33 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 20:45:33 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:33 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 20:45:33 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 203, in immath 2026-04-20 20:45:33 INFO immath::::casa+ _immath_new_pola( 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 331, in _immath_new_pola 2026-04-20 20:45:33 INFO immath::::casa+ mypo.open(target) 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/imagepol.py", line 264, in open 2026-04-20 20:45:33 INFO immath::::casa+ return self._swigobj.open(image) 2026-04-20 20:45:33 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/imagepol.py", line 784, in open 2026-04-20 20:45:33 INFO immath::::casa+ return _imagepol.imagepol_open(self, *args, **kwargs) 2026-04-20 20:45:33 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:33 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 20:45:33 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:32.606134 End time: 2026-04-20 20:45:32.645553 2026-04-20 20:45:33 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:33 INFO immath::::casa ########################################## 2026-04-20 20:45:33 INFO immath::::casa ########################################## 2026-04-20 20:45:33 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:33 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 20:45:33 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:45:33 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:45:33 INFO SubImageFactory::createImage Creating image '_immath_tmp7682__concat_for_pola' of shape [501, 501, 2, 1] 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:33 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 20:45:33 SEVERE immath::::casa Error running immath 2026-04-20 20:45:33 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 20:45:33 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 20:45:33 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:33 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 20:45:33 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 203, in immath 2026-04-20 20:45:33 INFO immath::::casa+ _immath_new_pola( 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 331, in _immath_new_pola 2026-04-20 20:45:33 INFO immath::::casa+ mypo.open(target) 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/imagepol.py", line 264, in open 2026-04-20 20:45:33 INFO immath::::casa+ return self._swigobj.open(image) 2026-04-20 20:45:33 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:33 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/imagepol.py", line 784, in open 2026-04-20 20:45:33 INFO immath::::casa+ return _imagepol.imagepol_open(self, *args, **kwargs) 2026-04-20 20:45:33 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:33 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 20:45:33 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:32.646927 End time: 2026-04-20 20:45:32.780457 2026-04-20 20:45:33 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:33 INFO immath::::casa ########################################## 2026-04-20 20:45:33 INFO immath::::casa ########################################## 2026-04-20 20:45:33 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:33 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 20:45:33 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:33 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:33 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 20:45:33 INFO SubImageFactory::createImage Creating image '_immath_tmp7682__lpol' of shape [501, 501, 1, 1] 2026-04-20 20:45:33 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:33 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 20:45:33 INFO SubImageFactory::createImage Creating image 'pola_8.im' of shape [501, 501, 1, 1] 2026-04-20 20:45:33 INFO ImageMaskHandler::_calcmask Created mask `mask0' 2026-04-20 20:45:33 INFO immath::::casa Calculated mask based on linear polarization threshold 2.9999999999999997e-05 2026-04-20 20:45:33 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:32.781541 End time: 2026-04-20 20:45:32.987791 2026-04-20 20:45:33 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:33 INFO immath::::casa ########################################## 2026-04-20 20:45:33 INFO immath::::casa ########################################## 2026-04-20 20:45:33 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:33 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 20:45:33 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:45:33 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:45:33 INFO SubImageFactory::createImage Creating image '_immath_tmp7682__concat_for_poli' of shape [501, 501, 2, 1] 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:33 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:33 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 20:45:33 INFO SubImageFactory::createImage Creating image 'poli_1.im' of shape [501, 501, 1, 1] 2026-04-20 20:45:33 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:33.036332 End time: 2026-04-20 20:45:33.236568 2026-04-20 20:45:33 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:33 INFO immath::::casa ########################################## 2026-04-20 20:45:33 INFO immath::::casa ########################################## 2026-04-20 20:45:33 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:33 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 20:45:33 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:45:33 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:45:33 INFO SubImageFactory::createImage Creating image '_immath_tmp7682__concat_for_poli' of shape [501, 501, 2, 1] 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:33 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:33 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:33 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 20:45:34 INFO SubImageFactory::createImage Creating image 'poli_2.im' of shape [501, 501, 1, 1] 2026-04-20 20:45:34 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:33.269343 End time: 2026-04-20 20:45:33.555328 2026-04-20 20:45:34 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:34 INFO immath::::casa ########################################## 2026-04-20 20:45:34 INFO immath::::casa ########################################## 2026-04-20 20:45:34 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:34 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 20:45:34 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:34 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:34 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:34 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:34 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 20:45:34 INFO SubImageFactory::createImage Creating image 'poli_3.im' of shape [501, 501, 1, 1] 2026-04-20 20:45:34 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:33.572191 End time: 2026-04-20 20:45:33.695055 2026-04-20 20:45:34 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:34 INFO immath::::casa ########################################## 2026-04-20 20:45:34 INFO immath::::casa ########################################## 2026-04-20 20:45:34 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:34 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 20:45:34 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:34 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:34 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:34 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:34 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 20:45:34 INFO SubImageFactory::createImage Creating image 'poli_4.im' of shape [501, 501, 1, 1] 2026-04-20 20:45:34 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:33.729116 End time: 2026-04-20 20:45:33.876919 2026-04-20 20:45:34 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:34 INFO immath::::casa ########################################## 2026-04-20 20:45:34 INFO immath::::casa ########################################## 2026-04-20 20:45:34 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:34 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 20:45:34 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:45:34 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 3 2026-04-20 20:45:34 INFO SubImageFactory::createImage Creating image '_immath_tmp7682__concat_for_poli' of shape [501, 501, 3, 1] 2026-04-20 20:45:34 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:34 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:34 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:34 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:34 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 20:45:34 INFO SubImageFactory::createImage Creating image 'poli_5.im' of shape [501, 501, 1, 1] 2026-04-20 20:45:34 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:33.911475 End time: 2026-04-20 20:45:34.265494 2026-04-20 20:45:34 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:34 INFO immath::::casa ########################################## 2026-04-20 20:45:34 INFO immath::::casa ########################################## 2026-04-20 20:45:34 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:34 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 20:45:34 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:34 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:34 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:34 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:34 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 20:45:34 INFO SubImageFactory::createImage Creating image 'poli_6.im' of shape [501, 501, 1, 1] 2026-04-20 20:45:35 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:34.293137 End time: 2026-04-20 20:45:34.501549 2026-04-20 20:45:35 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:35 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 20:45:35 INFO immath::::casa Concatenating images along stokes axis 2026-04-20 20:45:35 INFO ImageConcatenator::ImageConcatenator Number of images to concatenate = 2 2026-04-20 20:45:35 INFO SubImageFactory::createImage Creating image '_immath_tmp7682__concat_for_poli' of shape [501, 501, 2, 1] 2026-04-20 20:45:35 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:35 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:35 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:35 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 20:45:35 SEVERE immath::::casa Error running immath 2026-04-20 20:45:35 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 20:45:35 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 20:45:35 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:35 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 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 209, in immath 2026-04-20 20:45:35 INFO immath::::casa+ _immath_new_poli( 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 386, in _immath_new_poli 2026-04-20 20:45:35 INFO immath::::casa+ mypo.open(target) 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/imagepol.py", line 264, in open 2026-04-20 20:45:35 INFO immath::::casa+ return self._swigobj.open(image) 2026-04-20 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/imagepol.py", line 784, in open 2026-04-20 20:45:35 INFO immath::::casa+ return _imagepol.imagepol_open(self, *args, **kwargs) 2026-04-20 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 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 20:45:35 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:34.528056 End time: 2026-04-20 20:45:34.709292 2026-04-20 20:45:35 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:35 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 20:45:35 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:35 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:35 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:35 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 20:45:35 SEVERE immath::::casa Error running immath 2026-04-20 20:45:35 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 20:45:35 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 20:45:35 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:35 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 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 209, in immath 2026-04-20 20:45:35 INFO immath::::casa+ _immath_new_poli( 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 386, in _immath_new_poli 2026-04-20 20:45:35 INFO immath::::casa+ mypo.open(target) 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/imagepol.py", line 264, in open 2026-04-20 20:45:35 INFO immath::::casa+ return self._swigobj.open(image) 2026-04-20 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/imagepol.py", line 784, in open 2026-04-20 20:45:35 INFO immath::::casa+ return _imagepol.imagepol_open(self, *args, **kwargs) 2026-04-20 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 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 20:45:35 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:34.711195 End time: 2026-04-20 20:45:34.757938 2026-04-20 20:45:35 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO name:: No table opened. 2026-04-20 20:45:35 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:35 INFO ImageFactory::createImage Created Paged image 'myim.im' of shape [10, 20, 4, 40] with float valued pixels. 2026-04-20 20:45:35 INFO ImageFactory::createImage Created Paged image 'mask1.im' of shape [10, 20, 4, 40] with float valued pixels. 2026-04-20 20:45:35 INFO ImageFactory::createImage Created Paged image 'mask2.im' of shape [10, 20, 1, 1] with float valued pixels. 2026-04-20 20:45:35 INFO ImageFactory::createImage Created Paged image 'mask3.im' of shape [10, 20, 4, 2] with float valued pixels. 2026-04-20 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:35 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 20:45:35 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:35 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:35 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:35 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:35 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 20:45:35 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [10, 20, 4, 40] 2026-04-20 20:45:35 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:45:35 INFO ImageExprCalculator::_imagecalc Creating image `out1.im' of shape [10, 20, 4, 40] 2026-04-20 20:45:35 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:45:35 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:34.968093 End time: 2026-04-20 20:45:35.087199 2026-04-20 20:45:35 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/out1.im 2026-04-20 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:35 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 20:45:35 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:35 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:35 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:35 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 20:45:35 SEVERE immath::::casa Unable to process expression 1*IM0 2026-04-20 20:45:35 SEVERE immath::::casa Exception caught was: Unable to apply region to file: myim.im 2026-04-20 20:45:35 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: myim.im 2026-04-20 20:45:35 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 455, in _immath_createsubimages 2026-04-20 20:45:35 INFO immath::::casa+ subim = myia.subimage( 2026-04-20 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^ 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/image.py", line 3890, in subimage 2026-04-20 20:45:35 INFO immath::::casa+ return _wrap_image(swig_object=self._swigobj.subimage(outfile, region, mask, dropdeg, overwrite, list, stretch, wantreturn, keepaxes)) 2026-04-20 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/image.py", line 7946, in subimage 2026-04-20 20:45:35 INFO immath::::casa+ return _image.image_subimage(self, *args, **kwargs) 2026-04-20 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 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 20:45:35 INFO immath::::casa+ 2026-04-20 20:45:35 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:35 INFO immath::::casa+ 2026-04-20 20:45:35 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:35 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 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:35 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:35 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:35 INFO immath::::casa+ Exception: Unable to apply region to file: myim.im 2026-04-20 20:45:35 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:35.098544 End time: 2026-04-20 20:45:35.110143 2026-04-20 20:45:35 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:35 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 20:45:35 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:35 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:35 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:35 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:35 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 20:45:35 INFO ImageRegion::fromRecord Creating image '_immath_tmp7682_0' of shape [10, 20, 4, 40] 2026-04-20 20:45:35 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:45:35 INFO ImageExprCalculator::_imagecalc Creating image `out3.im' of shape [10, 20, 4, 40] 2026-04-20 20:45:35 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2026-04-20 20:45:35 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:35.111311 End time: 2026-04-20 20:45:35.185403 2026-04-20 20:45:35 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/out3.im 2026-04-20 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:35 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 20:45:35 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:35 INFO CasacRegionManager::fromBCS Using all spectral channels. 2026-04-20 20:45:35 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:35 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 20:45:35 SEVERE immath::::casa Unable to process expression 1*IM0 2026-04-20 20:45:35 SEVERE immath::::casa Exception caught was: Unable to apply region to file: myim.im 2026-04-20 20:45:35 SEVERE immath::::casa Exception Reported: Error in immath: Unable to apply region to file: myim.im 2026-04-20 20:45:35 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 455, in _immath_createsubimages 2026-04-20 20:45:35 INFO immath::::casa+ subim = myia.subimage( 2026-04-20 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^ 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/image.py", line 3890, in subimage 2026-04-20 20:45:35 INFO immath::::casa+ return _wrap_image(swig_object=self._swigobj.subimage(outfile, region, mask, dropdeg, overwrite, list, stretch, wantreturn, keepaxes)) 2026-04-20 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/image.py", line 7946, in subimage 2026-04-20 20:45:35 INFO immath::::casa+ return _image.image_subimage(self, *args, **kwargs) 2026-04-20 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 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 20:45:35 INFO immath::::casa+ 2026-04-20 20:45:35 INFO immath::::casa+ During handling of the above exception, another exception occurred: 2026-04-20 20:45:35 INFO immath::::casa+ 2026-04-20 20:45:35 INFO immath::::casa+ Traceback (most recent call last): 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:35 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 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 216, in immath 2026-04-20 20:45:35 INFO immath::::casa+ (subImages, file_map) = _immath_createsubimages( 2026-04-20 20:45:35 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:35 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 464, in _immath_createsubimages 2026-04-20 20:45:35 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:35 INFO immath::::casa+ Exception: Unable to apply region to file: myim.im 2026-04-20 20:45:35 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:35.193105 End time: 2026-04-20 20:45:35.204384 2026-04-20 20:45:35 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO name:: No table opened. 2026-04-20 20:45:35 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:35 INFO ImageFactory::createImage Created Paged image 'a.im' of shape [20, 20, 20] with float valued pixels. 2026-04-20 20:45:35 INFO image::_setrestoringbeam Will use dictionary specified in beam parameter to set the beam(s) 2026-04-20 20:45:35 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:45:35 INFO BeamManipulator::set Beam parameters: Major : 20 arcsec 2026-04-20 20:45:35 INFO BeamManipulator::set+ Minor : 10 arcsec 2026-04-20 20:45:35 INFO BeamManipulator::set+ Position Angle : 5 deg 2026-04-20 20:45:35 INFO ImageFactory::createImage Created Paged image 'b.im' of shape [20, 20, 20] with float valued pixels. 2026-04-20 20:45:35 INFO image::_setrestoringbeam Will use dictionary specified in beam parameter to set the beam(s) 2026-04-20 20:45:35 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:45:35 INFO BeamManipulator::set Beam parameters: Major : 30 arcsec 2026-04-20 20:45:35 INFO BeamManipulator::set+ Minor : 15 arcsec 2026-04-20 20:45:35 INFO BeamManipulator::set+ Position Angle : 10 deg 2026-04-20 20:45:35 INFO ImageFactory::createImage Created Paged image 'c.im' of shape [20, 20, 20] with float valued pixels. 2026-04-20 20:45:35 INFO image::_setrestoringbeam Will use dictionary specified in beam parameter to set the beam(s) 2026-04-20 20:45:35 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:45:35 INFO BeamManipulator::set Beam parameters: Major : 5 arcsec 2026-04-20 20:45:35 INFO BeamManipulator::set+ Minor : 2 arcsec 2026-04-20 20:45:35 INFO BeamManipulator::set+ Position Angle : 4 deg 2026-04-20 20:45:35 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 20:45:35 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 20:45:35 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 20:45:35 INFO immath::::casa ########################################## 2026-04-20 20:45:35 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:35 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 20:45:35 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 20:45:35 INFO ImageExprCalculator::_imagecalc Creating image `immath_out0.im' of shape [20, 20, 20] 2026-04-20 20:45:36 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:35.457430 End time: 2026-04-20 20:45:35.506485 2026-04-20 20:45:36 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:36 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 20:45:36 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 20:45:36 INFO ImageExprCalculator::_imagecalc Creating image `immath_out0.imIM0' of shape [20, 20, 20] 2026-04-20 20:45:36 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:35.507871 End time: 2026-04-20 20:45:35.557558 2026-04-20 20:45:36 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/immath_out0.im 2026-04-20 20:45:36 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/immath_out0.imIM0 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:36 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 20:45:36 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 20:45:36 INFO ImageExprCalculator::_imagecalc Creating image `immath_out1.im' of shape [20, 20, 20] 2026-04-20 20:45:36 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:35.584122 End time: 2026-04-20 20:45:35.643081 2026-04-20 20:45:36 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:36 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 20:45:36 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 20:45:36 INFO ImageExprCalculator::_imagecalc Creating image `immath_out1.imIM1' of shape [20, 20, 20] 2026-04-20 20:45:36 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:35.645017 End time: 2026-04-20 20:45:35.700265 2026-04-20 20:45:36 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/immath_out1.im 2026-04-20 20:45:36 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/immath_out1.imIM1 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:36 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 20:45:36 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 20:45:36 INFO ImageExprCalculator::_imagecalc Creating image `immath_out2.im' of shape [20, 20, 20] 2026-04-20 20:45:36 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:35.719802 End time: 2026-04-20 20:45:35.772294 2026-04-20 20:45:36 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:36 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 20:45:36 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 20:45:36 INFO ImageExprCalculator::_imagecalc Creating image `immath_out2.imIM2' of shape [20, 20, 20] 2026-04-20 20:45:36 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:35.774570 End time: 2026-04-20 20:45:35.836144 2026-04-20 20:45:36 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/immath_out2.im 2026-04-20 20:45:36 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/immath_out2.imIM2 2026-04-20 20:45:36 INFO name:: No table opened. 2026-04-20 20:45:36 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:36 INFO ImageFactory::createImage Created Paged image 'mybeamtest0.im' of shape [2, 2, 2, 2] with float valued pixels. 2026-04-20 20:45:36 INFO image::_casaQuantityFromVar Will use values specified in major, minor, pa to set beam 2026-04-20 20:45:36 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:45:36 INFO BeamManipulator::set Beam parameters: Major : 3.234 arcmin 2026-04-20 20:45:36 INFO BeamManipulator::set+ Minor : 1 arcmin 2026-04-20 20:45:36 INFO BeamManipulator::set+ Position Angle : 0 deg 2026-04-20 20:45:36 INFO ImageFactory::createImage Created Paged image 'mybeamtest1.im' of shape [2, 2, 2, 2] with float valued pixels. 2026-04-20 20:45:36 INFO image::_casaQuantityFromVar Will use values specified in major, minor, pa to set beam 2026-04-20 20:45:36 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:45:36 INFO BeamManipulator::set Beam parameters: Major : 3.235 arcmin 2026-04-20 20:45:36 INFO BeamManipulator::set+ Minor : 1 arcmin 2026-04-20 20:45:36 INFO BeamManipulator::set+ Position Angle : 0 deg 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:36 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 20:45:36 WARN ImageExprCalculator::compute image beams are not the same: Axis Lengths: [1, 1] (NB: Matrix in Row/Column order) 2026-04-20 20:45:36 WARN ImageExprCalculator::compute+ [major: 3.235 arcmin, minor: 1 arcmin, pa: 0 deg] 2026-04-20 20:45:36 WARN ImageExprCalculator::compute+ vs Axis Lengths: [1, 1] (NB: Matrix in Row/Column order) 2026-04-20 20:45:36 WARN ImageExprCalculator::compute+ [major: 3.234 arcmin, minor: 1 arcmin, pa: 0 deg] 2026-04-20 20:45:36 INFO ImageExprCalculator::_imagecalc Creating image `myout.im' of shape [2, 2, 2, 2] 2026-04-20 20:45:36 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:35.991906 End time: 2026-04-20 20:45:36.044944 2026-04-20 20:45:36 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO image::_casaQuantityFromVar Will use values specified in major, minor, pa to set beam 2026-04-20 20:45:36 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:45:36 INFO BeamManipulator::set Beam parameters: Major : 3.23457 arcmin 2026-04-20 20:45:36 INFO BeamManipulator::set+ Minor : 1 arcmin 2026-04-20 20:45:36 INFO BeamManipulator::set+ Position Angle : 0 deg 2026-04-20 20:45:36 INFO image::_casaQuantityFromVar Will use values specified in major, minor, pa to set beam 2026-04-20 20:45:36 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:45:36 INFO BeamManipulator::set Beam parameters: Major : 3.23457 arcmin 2026-04-20 20:45:36 INFO BeamManipulator::set+ Minor : 1 arcmin 2026-04-20 20:45:36 INFO BeamManipulator::set+ Position Angle : 0 deg 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:36 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 20:45:36 WARN ImageExprCalculator::compute image beams are not the same: Axis Lengths: [1, 1] (NB: Matrix in Row/Column order) 2026-04-20 20:45:36 WARN ImageExprCalculator::compute+ [major: 3.234568 arcmin, minor: 1 arcmin, pa: 0 deg] 2026-04-20 20:45:36 WARN ImageExprCalculator::compute+ vs Axis Lengths: [1, 1] (NB: Matrix in Row/Column order) 2026-04-20 20:45:36 WARN ImageExprCalculator::compute+ [major: 3.234567 arcmin, minor: 1 arcmin, pa: 0 deg] 2026-04-20 20:45:36 INFO ImageExprCalculator::_imagecalc Creating image `myout.im' of shape [2, 2, 2, 2] 2026-04-20 20:45:36 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:36.081374 End time: 2026-04-20 20:45:36.130008 2026-04-20 20:45:36 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO image::_casaQuantityFromVar Will use values specified in major, minor, pa to set beam 2026-04-20 20:45:36 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:45:36 INFO BeamManipulator::set Beam parameters: Major : 3.23457 arcmin 2026-04-20 20:45:36 INFO BeamManipulator::set+ Minor : 1 arcmin 2026-04-20 20:45:36 INFO BeamManipulator::set+ Position Angle : 0 deg 2026-04-20 20:45:36 INFO image::_casaQuantityFromVar Will use values specified in major, minor, pa to set beam 2026-04-20 20:45:36 INFO BeamManipulator::set Setting (global) restoring beam. 2026-04-20 20:45:36 INFO BeamManipulator::set Beam parameters: Major : 3.23457 arcmin 2026-04-20 20:45:36 INFO BeamManipulator::set+ Minor : 1 arcmin 2026-04-20 20:45:36 INFO BeamManipulator::set+ Position Angle : 0 deg 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:36 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 20:45:36 WARN ImageExprCalculator::compute image beams are not the same: Axis Lengths: [1, 1] (NB: Matrix in Row/Column order) 2026-04-20 20:45:36 WARN ImageExprCalculator::compute+ [major: 3.23456789027778 arcmin, minor: 1 arcmin, pa: 0 deg] 2026-04-20 20:45:36 WARN ImageExprCalculator::compute+ vs Axis Lengths: [1, 1] (NB: Matrix in Row/Column order) 2026-04-20 20:45:36 WARN ImageExprCalculator::compute+ [major: 3.23456789017778 arcmin, minor: 1 arcmin, pa: 0 deg] 2026-04-20 20:45:36 INFO ImageExprCalculator::_imagecalc Creating image `myout.im' of shape [2, 2, 2, 2] 2026-04-20 20:45:36 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:36.165717 End time: 2026-04-20 20:45:36.217525 2026-04-20 20:45:36 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:36 INFO immath::::casa ########################################## 2026-04-20 20:45:36 INFO name:: No table opened. 2026-04-20 20:45:36 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:36 INFO ImageFactory::createImage Created Paged image 'complex_calc1.im' of shape [4, 4] with Complex valued pixels. 2026-04-20 20:45:36 INFO ImageFactory::createImage Created Paged image 'complex_calc2.im' of shape [4, 4] with Complex valued pixels. 2026-04-20 20:45:36 INFO ImageFactory::createImage Created Paged image 'complex_calc3.im' of shape [4, 4] with Complex valued pixels. 2026-04-20 20:45:36 WARN ImageExprCalculator::compute2 Overwriting pixel values of the currently attached image 2026-04-20 20:45:36 INFO ImageFactory::createImage Created Paged image 'float_calc4.im' of shape [4, 4] with float valued pixels. 2026-04-20 20:45:36 INFO name:: No table opened. 2026-04-20 20:45:36 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:36 INFO ImageFactory::createImage Created Paged image 'jj.im' of shape [20, 20, 20] with float valued pixels. 2026-04-20 20:45:37 INFO ImageFactory::createImage Created Paged image 'kk.im' of shape [20, 20, 20] with float valued pixels. 2026-04-20 20:45:37 INFO ImageExprCalculator::_imagecalc Creating image `CAS-8570.im' of shape [20, 20, 20] 2026-04-20 20:45:37 WARN image::open (file src/tools/image/image_cmpt.cc, line 4208) Another image is already open, closing first 2026-04-20 20:45:37 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/CAS-8570.im 2026-04-20 20:45:37 INFO name:: No table opened. 2026-04-20 20:45:37 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:37 INFO ImageFactory::createImage Created Paged image 'hist1.im' of shape [20, 20] with float valued pixels. 2026-04-20 20:45:37 INFO ImageFactory::createImage Created Paged image 'hist2.im' of shape [20, 20] with float valued pixels. 2026-04-20 20:45:37 INFO ::::image::imagecalc Ran ia.imagecalc 2026-04-20 20:45:37 INFO ::::image::imagecalc ia.imagecalc(outfile="", pixels="hist1.im+hist2.im", overwrite=false, imagemd="") 2026-04-20 20:45:37 WARN ImageExprCalculator::compute2 Overwriting pixel values of the currently attached image 2026-04-20 20:45:37 INFO ::::ImageFactory::createImage Created Paged image 'hist1.im' of shape [20, 20] with float valued pixels. 2026-04-20 20:45:37 INFO ::::image::fromshape Ran ia.fromshape 2026-04-20 20:45:37 INFO ::::image::fromshape ia.fromshape(outfile="hist1.im", shape=[20,20], csys={...}, linear=false, overwrite=false, log=true, type="f") 2026-04-20 20:45:37 INFO ::::image::calc Ran ia.calc 2026-04-20 20:45:37 INFO ::::image::calc ia.calc(expr="hist1.im+hist2.im", verbose=true) 2026-04-20 20:45:37 INFO immath::::casa ########################################## 2026-04-20 20:45:37 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:37 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 20:45:37 INFO ImageExprCalculator::_imagecalc Creating image `zz_out.im' of shape [20, 20] 2026-04-20 20:45:37 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:36.744980 End time: 2026-04-20 20:45:36.781177 2026-04-20 20:45:37 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:37 INFO immath::::casa ########################################## 2026-04-20 20:45:37 INFO ::::immath version: 6.7.5-18 CASAtools:v1.0.0 2026-04-20 20:45:37 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 20:45:37 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/zz_out.im 2026-04-20 20:45:37 INFO name:: No table opened. 2026-04-20 20:45:37 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:37 INFO immath::::casa ########################################## 2026-04-20 20:45:37 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:37 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 20:45:37 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:37 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:37 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:37 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 20:45:37 INFO ImagePolTask::_setDoLinDoCirc Debiasing with sigma = 0.0044 2026-04-20 20:45:37 INFO SubImageFactory::createImage Creating image 'myout.im' of shape [20, 20, 1] 2026-04-20 20:45:37 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:36.873239 End time: 2026-04-20 20:45:36.984656 2026-04-20 20:45:37 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:37 INFO immath::::casa ########################################## 2026-04-20 20:45:37 WARN image::open (file src/tools/image/image_cmpt.cc, line 4208) Another image is already open, closing first 2026-04-20 20:45:37 INFO name:: No table opened. 2026-04-20 20:45:37 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:37 INFO ImageFactory::createImage Created Paged image 'calc0_f.im' of shape [2, 2] with float valued pixels. 2026-04-20 20:45:37 INFO ImageFactory::createImage Created Paged image 'calc1_f.im' of shape [2, 2] with float valued pixels. 2026-04-20 20:45:37 INFO ImageFactory::createImage Created Paged image 'calc0_d.im' of shape [2, 2] with double valued pixels. 2026-04-20 20:45:37 INFO ImageFactory::createImage Created Paged image 'calc1_d.im' of shape [2, 2] with double valued pixels. 2026-04-20 20:45:37 INFO ImageFactory::createImage Created Paged image 'calc0_c.im' of shape [2, 2] with Complex valued pixels. 2026-04-20 20:45:37 INFO ImageFactory::createImage Created Paged image 'calc1_c.im' of shape [2, 2] with Complex valued pixels. 2026-04-20 20:45:37 INFO ImageFactory::createImage Created Paged image 'calc0_cd.im' of shape [2, 2] with DComplex valued pixels. 2026-04-20 20:45:37 INFO ImageFactory::createImage Created Paged image 'calc1_cd.im' of shape [2, 2] with DComplex valued pixels. 2026-04-20 20:45:37 INFO name:: No table opened. 2026-04-20 20:45:37 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:37 INFO immath::::casa ########################################## 2026-04-20 20:45:37 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:37 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 20:45:37 INFO ImageExprCalculator::_imagecalc Creating image `spectral_index_out.im' of shape [20, 20, 1, 1] 2026-04-20 20:45:38 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:37.464835 End time: 2026-04-20 20:45:37.501687 2026-04-20 20:45:38 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:38 INFO immath::::casa ########################################## 2026-04-20 20:45:38 INFO name:: No table opened. 2026-04-20 20:45:38 INFO showcache:: The Table Cache is empty. .2026-04-20 20:45:38 INFO ImageFactory::createImage Created Paged image 'mypol.im' of shape [4, 4, 4] with float valued pixels. 2026-04-20 20:45:38 INFO immath::::casa ########################################## 2026-04-20 20:45:38 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:38 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 20:45:38 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:38 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:38 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:38 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 20:45:38 INFO SubImageFactory::createImage Creating image 'outpoli.im' of shape [4, 4, 1] 2026-04-20 20:45:38 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:37.599682 End time: 2026-04-20 20:45:37.637432 2026-04-20 20:45:38 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:38 INFO immath::::casa ########################################## 2026-04-20 20:45:38 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/outpoli.im 2026-04-20 20:45:38 INFO immath::::casa ########################################## 2026-04-20 20:45:38 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:38 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 20:45:38 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:38 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:38 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:38 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 20:45:38 INFO SubImageFactory::createImage Creating image 'outlpoli.im' of shape [4, 4, 1] 2026-04-20 20:45:38 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:37.651517 End time: 2026-04-20 20:45:37.701018 2026-04-20 20:45:38 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:38 INFO immath::::casa ########################################## 2026-04-20 20:45:38 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/outlpoli.im 2026-04-20 20:45:38 INFO immath::::casa ########################################## 2026-04-20 20:45:38 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:38 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 20:45:38 WARN immath::::casa Ignoring stokes parameters selection for mode='poli'. 2026-04-20 20:45:38 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:38 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:38 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:38 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 20:45:38 INFO SubImageFactory::createImage Creating image 'outtpoli.im' of shape [4, 4, 1] 2026-04-20 20:45:38 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:37.714929 End time: 2026-04-20 20:45:37.766919 2026-04-20 20:45:38 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:38 INFO immath::::casa ########################################## 2026-04-20 20:45:38 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/outtpoli.im 2026-04-20 20:45:38 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:38 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 20:45:38 INFO ImageRegion::fromRecord Creating image 'noV.im' of shape [4, 4, 3] 2026-04-20 20:45:38 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/mypol.im 2026-04-20 20:45:38 INFO immath::::casa ########################################## 2026-04-20 20:45:38 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:38 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 20:45:38 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:38 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:38 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:38 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 20:45:38 INFO SubImageFactory::createImage Creating image 'no_Voutpoli.im' of shape [4, 4, 1] 2026-04-20 20:45:38 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:37.823583 End time: 2026-04-20 20:45:37.871374 2026-04-20 20:45:38 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:38 INFO immath::::casa ########################################## 2026-04-20 20:45:38 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/no_Voutpoli.im 2026-04-20 20:45:38 INFO immath::::casa ########################################## 2026-04-20 20:45:38 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:38 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 20:45:38 INFO CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2026-04-20 20:45:38 INFO CasacRegionManager::fromBCS Using polarizations ALL 2026-04-20 20:45:38 INFO ImageRegion::fromRecord Selected bounding box : 2026-04-20 20:45:38 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 20:45:38 INFO SubImageFactory::createImage Creating image 'no_Voutlpoli.im' of shape [4, 4, 1] 2026-04-20 20:45:38 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:37.886054 End time: 2026-04-20 20:45:37.933889 2026-04-20 20:45:38 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:38 INFO immath::::casa ########################################## 2026-04-20 20:45:38 INFO deleted table /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_immath_casashell/no_Voutlpoli.im 2026-04-20 20:45:38 INFO immath::::casa ########################################## 2026-04-20 20:45:38 INFO immath::::casa ##### Begin Task: immath ##### 2026-04-20 20:45:38 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 20:45:38 SEVERE immath::::casa Error running immath 2026-04-20 20:45:38 SEVERE immath::::casa Exception caught was: Stokes V is required for mode tpoli but was not found 2026-04-20 20:45:38 SEVERE immath::::casa Exception Reported: Error in immath: Stokes V is required for mode tpoli but was not found 2026-04-20 20:45:38 INFO immath::::casa Traceback (most recent call last): 2026-04-20 20:45:38 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/immath.py", line 828, in __call__ 2026-04-20 20:45:38 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 20:45:38 INFO immath::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-20 20:45:38 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 209, in immath 2026-04-20 20:45:38 INFO immath::::casa+ _immath_new_poli( 2026-04-20 20:45:38 INFO immath::::casa+ File "/wheeldirectory/casa-6.7.5-18-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_immath.py", line 363, in _immath_new_poli 2026-04-20 20:45:38 INFO immath::::casa+ raise Exception( 2026-04-20 20:45:38 INFO immath::::casa+ Exception: Stokes V is required for mode tpoli but was not found 2026-04-20 20:45:38 INFO immath::::casa Task immath complete. Start time: 2026-04-20 20:45:37.945903 End time: 2026-04-20 20:45:37.951696 2026-04-20 20:45:38 INFO immath::::casa ##### End Task: immath ##### 2026-04-20 20:45:38 INFO immath::::casa ########################################## 2026-04-20 20:45:38 INFO name:: No table opened. 2026-04-20 20:45:38 INFO showcache:: The Table Cache is empty. . ---------------------------------------------------------------------- Ran 32 tests in 21.879s OK Generating XML reports...