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spacetelescope / wfc3tools

Python tools for HST WFC3 data calibration and analysis
https://wfc3tools.readthedocs.io/en/latest/
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calwf3 no longer able to process IMA files #60

Closed npirzkal closed 2 years ago

npirzkal commented 3 years ago

WFC3 grism background subtraction relies on being able to process WFC3 IR RAW data using calwf3 first by setting FLATCORR on and CRCORR off. The resulting IMA files data are modified and are then passed to calwf3 again after setting CRCORR on. This method was recommended to use a few years ago and It used to work perfectly but now calwf3 fails with the error "RuntimeError: wf3ir.e exited with code -6"

npirzkal commented 3 years ago

Note that HSTCAL 2.2.0 works fine. If you want to test it, just download https://github.com/npirzkal/WFC3_Back_sub, install and run test.py script.

mdlpstsci commented 2 years ago

This issue has been fixed in HSTCAL 2.7.2 (August 2021)/WFC3 3.6.2, but it was never tested by Nor.