Warning in IRF tool for ETRUE_SCALE keyword not compliant with FITS standard

cta-observatory / cta-lstchain

LST prototype testbench chain

https://cta-observatory.github.io/cta-lstchain/

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Warning in IRF tool for ETRUE_SCALE keyword not compliant with FITS standard #1292

Closed morcuended closed 1 month ago

morcuended commented 2 months ago

WARNING: VerifyWarning: Keyword name 'ETRUE_SCALE' is greater than 8 characters or contains characters not allowed by the FITS standard; a HIERARCH card will be created. [astropy.io.fits.card]

The IRF files are produced anyway, but we may want to make the keyword shorter.

maxnoe commented 2 months ago

You could also add the HIERARCH explicitly to silence the warning:

hdu.header["HIERARCH ETRUE_SCALE"] = ...