2026-03-19 07:08:07 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-03-19 07:08:07 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.1-13-py3.10.el8/lib/py/lib/python3.10/site-packages/casaconfig/config.py 2026-03-19 07:08:07 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-03-19 07:08:07 INFO ::casa 2026-03-19 07:08:07 INFO ::casa config values 2026-03-19 07:08:07 INFO ::casa agg = False 2026-03-19 07:08:07 INFO ::casa cachedir = '/home/casatest/.casa' 2026-03-19 07:08:07 INFO ::casa casaconfig_verbose = 1 2026-03-19 07:08:07 INFO ::casa colors = 'Neutral' 2026-03-19 07:08:07 INFO ::casa data_auto_update = False 2026-03-19 07:08:07 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-03-19 07:08:07 INFO ::casa iplog = False 2026-03-19 07:08:07 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_feather_casashell/ipython-20260319-070804.log' 2026-03-19 07:08:07 INFO ::casa log2term = True 2026-03-19 07:08:07 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_feather_casashell/casa-20260319-070804.log' 2026-03-19 07:08:07 INFO ::casa measures_auto_update = False 2026-03-19 07:08:07 INFO ::casa measurespath = '/opt/casa/data/master' 2026-03-19 07:08:07 INFO ::casa nogui = False 2026-03-19 07:08:07 INFO ::casa nologfile = False 2026-03-19 07:08:07 INFO ::casa nologger = True 2026-03-19 07:08:07 INFO ::casa pipeline = False 2026-03-19 07:08:07 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-03-19 07:08:07 INFO ::casa user_site = False 2026-03-19 07:08:07 INFO ::casa 2026-03-19 07:08:07 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-03-19 07:08:07 INFO ::casa measures version is unknown, this is probably a legacy version not installed by casaconfig 2026-03-19 07:08:07 INFO ::casa 2026-03-19 07:08:07 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-03-19 07:08:07 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/02/23/15:15, 2025/12/31/00:00:00 2026-03-19 07:08:07 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/02/23/15:15, 2025/12/31/00:00:00 2026-03-19 07:08:07 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/03/18/15:15, 2026/06/16/00:00:00 2026-03-19 07:08:07 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2026/02/23/15:15, 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 6.7.1.13 -- Common Astronomy Software Applications [6.7.1.13] 2026-03-19 07:08:07 INFO feather::::casa ########################################## 2026-03-19 07:08:07 INFO feather::::casa ##### Begin Task: feather ##### 2026-03-19 07:08:07 INFO feather::::casa feather( imagename='feathered.im', highres='orion_tfeather.im', lowres='orion_tsdmem.image', sdfactor=1.0, effdishdiam=-1.0, lowpassfiltersd=False ) 2026-03-19 07:08:07 INFO feather::Imager::setvp() Setting voltage pattern parameters 2026-03-19 07:08:07 INFO feather::Imager::setvp() Sky position tolerance is 180 degrees 2026-03-19 07:08:07 INFO feather::Imager::setvp() Using system default voltage patterns for each telescope 2026-03-19 07:08:07 INFO feather::imager::setsdoptions() Setting single dish processing options 2026-03-19 07:08:07 INFO feather::imager::feather() 2026-03-19 07:08:07 INFO feather::imager::feather()+ Feathering together high and low resolution images. 2026-03-19 07:08:07 WARN feather::ImageRegrid::regrid You are regridding an image whose beam is not well sampled by the pixel size. Total flux can be lost when regridding such images, especially when the new pixel size is larger than the old pixel size. It is recommended to check the total flux of your input and output image, and if necessary rebin the input to have smaller pixels. 2026-03-19 07:08:08 INFO feather::::casa Task feather complete. Start time: 2026-03-19 07:08:07.083917 End time: 2026-03-19 07:08:07.704873 2026-03-19 07:08:08 INFO feather::::casa ##### End Task: feather ##### 2026-03-19 07:08:08 INFO feather::::casa ########################################## .2026-03-19 07:08:08 INFO feather::::casa ########################################## 2026-03-19 07:08:08 INFO feather::::casa ##### Begin Task: feather ##### 2026-03-19 07:08:08 INFO feather::::casa feather( imagename='feathered.im', highres='orion_tfeather.im', lowres='orion_tsdmem.image', sdfactor=1.0, effdishdiam=-1.0, lowpassfiltersd=False ) 2026-03-19 07:08:08 INFO feather::Imager::setvp() Setting voltage pattern parameters 2026-03-19 07:08:08 INFO feather::Imager::setvp() Sky position tolerance is 180 degrees 2026-03-19 07:08:08 INFO feather::Imager::setvp() Using system default voltage patterns for each telescope 2026-03-19 07:08:08 INFO feather::imager::setsdoptions() Setting single dish processing options 2026-03-19 07:08:08 INFO feather::imager::feather() 2026-03-19 07:08:08 INFO feather::imager::feather()+ Feathering together high and low resolution images. 2026-03-19 07:08:08 WARN feather::ImageRegrid::regrid You are regridding an image whose beam is not well sampled by the pixel size. Total flux can be lost when regridding such images, especially when the new pixel size is larger than the old pixel size. It is recommended to check the total flux of your input and output image, and if necessary rebin the input to have smaller pixels. 2026-03-19 07:08:08 INFO feather::::casa Task feather complete. Start time: 2026-03-19 07:08:07.711259 End time: 2026-03-19 07:08:07.939858 2026-03-19 07:08:08 INFO feather::::casa ##### End Task: feather ##### 2026-03-19 07:08:08 INFO feather::::casa ########################################## 2026-03-19 07:08:08 INFO feather::::casa ########################################## 2026-03-19 07:08:08 INFO feather::::casa ##### Begin Task: feather ##### 2026-03-19 07:08:08 INFO feather::::casa feather( imagename='feathered2.im', highres='orion_tfeather.im', lowres='orion_tsdmem.image', sdfactor=1.0, effdishdiam=1.0, lowpassfiltersd=False ) 2026-03-19 07:08:08 INFO feather::Imager::setvp() Setting voltage pattern parameters 2026-03-19 07:08:08 INFO feather::Imager::setvp() Sky position tolerance is 180 degrees 2026-03-19 07:08:08 INFO feather::Imager::setvp() Using system default voltage patterns for each telescope 2026-03-19 07:08:08 INFO feather::imager::setsdoptions() Setting single dish processing options 2026-03-19 07:08:08 INFO feather::imager::feather() 2026-03-19 07:08:08 INFO feather::imager::feather()+ Feathering together high and low resolution images. 2026-03-19 07:08:08 WARN feather::ImageRegrid::regrid You are regridding an image whose beam is not well sampled by the pixel size. Total flux can be lost when regridding such images, especially when the new pixel size is larger than the old pixel size. It is recommended to check the total flux of your input and output image, and if necessary rebin the input to have smaller pixels. 2026-03-19 07:08:08 INFO feather::::casa Task feather complete. Start time: 2026-03-19 07:08:07.941976 End time: 2026-03-19 07:08:08.174057 2026-03-19 07:08:08 INFO feather::::casa ##### End Task: feather ##### 2026-03-19 07:08:08 INFO feather::::casa ########################################## 2026-03-19 07:08:08 INFO feather::::casa ########################################## 2026-03-19 07:08:08 INFO feather::::casa ##### Begin Task: feather ##### 2026-03-19 07:08:08 INFO feather::::casa feather( imagename='feathered2.im', highres='orion_tfeather.im', lowres='orion_tsdmem.image', sdfactor=1.0, effdishdiam=1000.0, lowpassfiltersd=False ) 2026-03-19 07:08:08 INFO feather::Imager::setvp() Setting voltage pattern parameters 2026-03-19 07:08:08 INFO feather::Imager::setvp() Sky position tolerance is 180 degrees 2026-03-19 07:08:08 INFO feather::Imager::setvp() Using system default voltage patterns for each telescope 2026-03-19 07:08:08 INFO feather::imager::setsdoptions() Setting single dish processing options 2026-03-19 07:08:08 INFO feather::imager::feather() 2026-03-19 07:08:08 INFO feather::imager::feather()+ Feathering together high and low resolution images. 2026-03-19 07:08:08 WARN feather::ImageRegrid::regrid You are regridding an image whose beam is not well sampled by the pixel size. Total flux can be lost when regridding such images, especially when the new pixel size is larger than the old pixel size. It is recommended to check the total flux of your input and output image, and if necessary rebin the input to have smaller pixels. 2026-03-19 07:08:08 SEVERE feather::imager::feather() Caught exception: Beam due to new effective diameter may be smaller than the beam of original dish image 2026-03-19 07:08:08 SEVERE feather::::casa Exception Reported: Error in feather: 2026-03-19 07:08:08 SEVERE feather::imager::feather() Caught exception: Beam due to new effective diameter may be smaller than the beam of original dish image 2026-03-19 07:08:08 INFO feather::::casa Traceback (most recent call last): 2026-03-19 07:08:08 INFO feather::::casa+ File "/wheeldirectory/casa-6.7.1-13-py3.10.el8/lib/py/lib/python3.10/site-packages/casashell/private/feather.py", line 391, in __call__ 2026-03-19 07:08:08 INFO feather::::casa+ task_result = _feather_t( _pc.document['imagename'],_pc.document['highres'],_pc.document['lowres'],_pc.document['sdfactor'],_pc.document['effdishdiam'],_pc.document['lowpassfiltersd'] ) 2026-03-19 07:08:08 INFO feather::::casa+ File "/wheeldirectory/casa-6.7.1-13-py3.10.el8/lib/py/lib/python3.10/site-packages/casatasks/private/task_feather.py", line 36, in feather 2026-03-19 07:08:08 INFO feather::::casa+ imFea.feather(image=imagename,highres=highres,lowres=lowres, 2026-03-19 07:08:08 INFO feather::::casa+ File "/wheeldirectory/casa-6.7.1-13-py3.10.el8/lib/py/lib/python3.10/site-packages/casatools/imager.py", line 413, in feather 2026-03-19 07:08:08 INFO feather::::casa+ return self._swigobj.feather(image, highres, lowres, lowpsf, effdishdiam, lowpassfiltersd) 2026-03-19 07:08:08 INFO feather::::casa+ File "/wheeldirectory/casa-6.7.1-13-py3.10.el8/lib/py/lib/python3.10/site-packages/casatools/__casac__/imager.py", line 1092, in feather 2026-03-19 07:08:08 INFO feather::::casa+ return _imager.imager_feather(self, *args, **kwargs) 2026-03-19 07:08:08 INFO feather::::casa+ RuntimeError: 2026-03-19 07:08:08 SEVERE feather::imager::feather() Caught exception: Beam due to new effective diameter may be smaller than the beam of original dish image 2026-03-19 07:08:08 INFO feather::::casa Task feather complete. Start time: 2026-03-19 07:08:08.186970 End time: 2026-03-19 07:08:08.345609 2026-03-19 07:08:08 INFO feather::::casa ##### End Task: feather ##### 2026-03-19 07:08:08 INFO feather::::casa ########################################## .2026-03-19 07:08:08 SEVERE feather::::casa Exception Reported: Error in feather: the highres parameter must be a path that exists ('' does not exist) 2026-03-19 07:08:08 INFO feather::::casa Traceback (most recent call last): 2026-03-19 07:08:08 INFO feather::::casa+ File "/wheeldirectory/casa-6.7.1-13-py3.10.el8/lib/py/lib/python3.10/site-packages/casashell/private/feather.py", line 389, in __call__ 2026-03-19 07:08:08 INFO feather::::casa+ assert _pc.validate(_invocation_parameters,self.__schema), create_error_string(_pc.errors) 2026-03-19 07:08:08 INFO feather::::casa+ AssertionError: the highres parameter must be a path that exists ('' does not exist) .2026-03-19 07:08:08 INFO feather::::casa ########################################## 2026-03-19 07:08:08 INFO feather::::casa ##### Begin Task: feather ##### 2026-03-19 07:08:08 INFO feather::::casa feather( imagename='feathered.im', highres='orion_tfeather.im', lowres='orion_tsdmem.image', sdfactor=1.0, effdishdiam=-1.0, lowpassfiltersd=False ) 2026-03-19 07:08:08 INFO feather::Imager::setvp() Setting voltage pattern parameters 2026-03-19 07:08:08 INFO feather::Imager::setvp() Sky position tolerance is 180 degrees 2026-03-19 07:08:08 INFO feather::Imager::setvp() Using system default voltage patterns for each telescope 2026-03-19 07:08:08 INFO feather::imager::setsdoptions() Setting single dish processing options 2026-03-19 07:08:08 INFO feather::imager::feather() 2026-03-19 07:08:08 INFO feather::imager::feather()+ Feathering together high and low resolution images. 2026-03-19 07:08:08 WARN feather::ImageRegrid::regrid You are regridding an image whose beam is not well sampled by the pixel size. Total flux can be lost when regridding such images, especially when the new pixel size is larger than the old pixel size. It is recommended to check the total flux of your input and output image, and if necessary rebin the input to have smaller pixels. 2026-03-19 07:08:09 INFO feather::::casa Task feather complete. Start time: 2026-03-19 07:08:08.353074 End time: 2026-03-19 07:08:08.550683 2026-03-19 07:08:09 INFO feather::::casa ##### End Task: feather ##### 2026-03-19 07:08:09 INFO feather::::casa ########################################## 2026-03-19 07:08:09 INFO feather::::casa ########################################## 2026-03-19 07:08:09 INFO feather::::casa ##### Begin Task: feather ##### 2026-03-19 07:08:09 INFO feather::::casa feather( imagename='feathered2.im', highres='orion_tfeather.im', lowres='orion_tsdmem.image', sdfactor=1.0, effdishdiam=-1.0, lowpassfiltersd=False ) 2026-03-19 07:08:09 INFO feather::Imager::setvp() Setting voltage pattern parameters 2026-03-19 07:08:09 INFO feather::Imager::setvp() Sky position tolerance is 180 degrees 2026-03-19 07:08:09 INFO feather::Imager::setvp() Using system default voltage patterns for each telescope 2026-03-19 07:08:09 INFO feather::imager::setsdoptions() Setting single dish processing options 2026-03-19 07:08:09 INFO feather::imager::feather() 2026-03-19 07:08:09 INFO feather::imager::feather()+ Feathering together high and low resolution images. 2026-03-19 07:08:09 WARN feather::ImageRegrid::regrid You are regridding an image whose beam is not well sampled by the pixel size. Total flux can be lost when regridding such images, especially when the new pixel size is larger than the old pixel size. It is recommended to check the total flux of your input and output image, and if necessary rebin the input to have smaller pixels. 2026-03-19 07:08:09 INFO feather::::casa Task feather complete. Start time: 2026-03-19 07:08:08.552776 End time: 2026-03-19 07:08:08.749767 2026-03-19 07:08:09 INFO feather::::casa ##### End Task: feather ##### 2026-03-19 07:08:09 INFO feather::::casa ########################################## .2026-03-19 07:08:09 INFO feather::::casa ########################################## 2026-03-19 07:08:09 INFO feather::::casa ##### Begin Task: feather ##### 2026-03-19 07:08:09 INFO feather::::casa feather( imagename='feathered.im', highres='orion_tfeather.im', lowres='orion_tsdmem.image', sdfactor=1.0, effdishdiam=-1.0, lowpassfiltersd=False ) 2026-03-19 07:08:09 INFO feather::Imager::setvp() Setting voltage pattern parameters 2026-03-19 07:08:09 INFO feather::Imager::setvp() Sky position tolerance is 180 degrees 2026-03-19 07:08:09 INFO feather::Imager::setvp() Using system default voltage patterns for each telescope 2026-03-19 07:08:09 INFO feather::imager::setsdoptions() Setting single dish processing options 2026-03-19 07:08:09 INFO feather::imager::feather() 2026-03-19 07:08:09 INFO feather::imager::feather()+ Feathering together high and low resolution images. 2026-03-19 07:08:09 WARN feather::ImageRegrid::regrid You are regridding an image whose beam is not well sampled by the pixel size. Total flux can be lost when regridding such images, especially when the new pixel size is larger than the old pixel size. It is recommended to check the total flux of your input and output image, and if necessary rebin the input to have smaller pixels. 2026-03-19 07:08:09 INFO feather::::casa Task feather complete. Start time: 2026-03-19 07:08:08.753607 End time: 2026-03-19 07:08:08.910271 2026-03-19 07:08:09 INFO feather::::casa ##### End Task: feather ##### 2026-03-19 07:08:09 INFO feather::::casa ########################################## 2026-03-19 07:08:09 INFO feather::::casa ########################################## 2026-03-19 07:08:09 INFO feather::::casa ##### Begin Task: feather ##### 2026-03-19 07:08:09 INFO feather::::casa feather( imagename='feathered2.im', highres='orion_tfeather.im', lowres='orion_tsdmem.image', sdfactor=1.0, effdishdiam=-1.0, lowpassfiltersd=True ) 2026-03-19 07:08:09 INFO feather::Imager::setvp() Setting voltage pattern parameters 2026-03-19 07:08:09 INFO feather::Imager::setvp() Sky position tolerance is 180 degrees 2026-03-19 07:08:09 INFO feather::Imager::setvp() Using system default voltage patterns for each telescope 2026-03-19 07:08:09 INFO feather::imager::setsdoptions() Setting single dish processing options 2026-03-19 07:08:09 INFO feather::imager::feather() 2026-03-19 07:08:09 INFO feather::imager::feather()+ Feathering together high and low resolution images. 2026-03-19 07:08:09 WARN feather::ImageRegrid::regrid You are regridding an image whose beam is not well sampled by the pixel size. Total flux can be lost when regridding such images, especially when the new pixel size is larger than the old pixel size. It is recommended to check the total flux of your input and output image, and if necessary rebin the input to have smaller pixels. 2026-03-19 07:08:09 INFO feather::::casa Task feather complete. Start time: 2026-03-19 07:08:08.912402 End time: 2026-03-19 07:08:09.134329 2026-03-19 07:08:09 INFO feather::::casa ##### End Task: feather ##### 2026-03-19 07:08:09 INFO feather::::casa ########################################## .2026-03-19 07:08:09 SEVERE feather::::casa Exception Reported: Error in feather: the lowres parameter must be a path that exists ('' does not exist) 2026-03-19 07:08:09 INFO feather::::casa Traceback (most recent call last): 2026-03-19 07:08:09 INFO feather::::casa+ File "/wheeldirectory/casa-6.7.1-13-py3.10.el8/lib/py/lib/python3.10/site-packages/casashell/private/feather.py", line 389, in __call__ 2026-03-19 07:08:09 INFO feather::::casa+ assert _pc.validate(_invocation_parameters,self.__schema), create_error_string(_pc.errors) 2026-03-19 07:08:09 INFO feather::::casa+ AssertionError: the lowres parameter must be a path that exists ('' does not exist) .2026-03-19 07:08:09 INFO feather::::casa ########################################## 2026-03-19 07:08:09 INFO feather::::casa ##### Begin Task: feather ##### 2026-03-19 07:08:09 INFO feather::::casa feather( imagename='feathered.im', highres='orion_tfeather.im', lowres='orion_tsdmem.image', sdfactor=1.0, effdishdiam=-1.0, lowpassfiltersd=False ) 2026-03-19 07:08:09 INFO feather::Imager::setvp() Setting voltage pattern parameters 2026-03-19 07:08:09 INFO feather::Imager::setvp() Sky position tolerance is 180 degrees 2026-03-19 07:08:09 INFO feather::Imager::setvp() Using system default voltage patterns for each telescope 2026-03-19 07:08:09 INFO feather::imager::setsdoptions() Setting single dish processing options 2026-03-19 07:08:09 INFO feather::imager::feather() 2026-03-19 07:08:09 INFO feather::imager::feather()+ Feathering together high and low resolution images. 2026-03-19 07:08:09 WARN feather::ImageRegrid::regrid You are regridding an image whose beam is not well sampled by the pixel size. Total flux can be lost when regridding such images, especially when the new pixel size is larger than the old pixel size. It is recommended to check the total flux of your input and output image, and if necessary rebin the input to have smaller pixels. 2026-03-19 07:08:09 INFO feather::::casa Task feather complete. Start time: 2026-03-19 07:08:09.146241 End time: 2026-03-19 07:08:09.300080 2026-03-19 07:08:09 INFO feather::::casa ##### End Task: feather ##### 2026-03-19 07:08:09 INFO feather::::casa ########################################## 2026-03-19 07:08:09 INFO feather::::casa ########################################## 2026-03-19 07:08:09 INFO feather::::casa ##### Begin Task: feather ##### 2026-03-19 07:08:09 INFO feather::::casa feather( imagename='feathered2.im', highres='orion_tfeather.im', lowres='orion_tsdmem.image', sdfactor=0.5, effdishdiam=-1.0, lowpassfiltersd=False ) 2026-03-19 07:08:09 INFO feather::Imager::setvp() Setting voltage pattern parameters 2026-03-19 07:08:09 INFO feather::Imager::setvp() Sky position tolerance is 180 degrees 2026-03-19 07:08:09 INFO feather::Imager::setvp() Using system default voltage patterns for each telescope 2026-03-19 07:08:09 INFO feather::imager::setsdoptions() Setting single dish processing options 2026-03-19 07:08:09 INFO feather::imager::feather() 2026-03-19 07:08:09 INFO feather::imager::feather()+ Feathering together high and low resolution images. 2026-03-19 07:08:09 WARN feather::ImageRegrid::regrid You are regridding an image whose beam is not well sampled by the pixel size. Total flux can be lost when regridding such images, especially when the new pixel size is larger than the old pixel size. It is recommended to check the total flux of your input and output image, and if necessary rebin the input to have smaller pixels. 2026-03-19 07:08:09 INFO feather::::casa Task feather complete. Start time: 2026-03-19 07:08:09.301568 End time: 2026-03-19 07:08:09.436121 2026-03-19 07:08:09 INFO feather::::casa ##### End Task: feather ##### 2026-03-19 07:08:09 INFO feather::::casa ########################################## . ---------------------------------------------------------------------- Ran 7 tests in 2.380s OK Generating XML reports...