The task performs consistency and keyword checks on an input FITS arf file to determine whether it satisfies the standard, reporting the results to the terminal or a text file.
The task checks for mandatory keywords and optional keywords.
For more information about the standard, see the
memo The
Calibration Requirements for Spectral Analysis, OGIP/92-002 (or in PDF).
https://heasarc.gsfc.nasa.gov/docs/heasarc/caldb/docs/memos/cal_gen_92_002/cal_gen_92_002.html
https://heasarc.gsfc.nasa.gov/docs/heasarc/caldb/docs/memos/cal_gen_92_002/cal_gen_92_002.pdf - PDF
The mandatory keywords checked are:
EXTNAME, INSTRUME, FILTER, HDUCLASS, HDUCLAS1, HDUCLAS2, HDUVERS
The optional keywords checked are:
PHAFILE