CalCOS v3.2.1 Release Notes

Relevant PR Details

Updated code to be compatible with latest version of astropy and numpy (PR 86910)

• Replaced astropy.io.fits new_table() calls with BinTableHDU.from_columns()
• Checked that numpy indices are integers

Added DGEOCORR step (PR 86898)

• Applies delta geometric correction
• Uses new DGEOFILE reference file
• Requires DGEOCORR header keyword

Added XWLKCORR and YWLKCORR steps, removed WALKCORR step (PR 86899)

• Applies X and Y walk corrections separately, using a lookup table reference file instead of a polynomial calculation
• Uses XWLKFILE and YWLKFILE reference files
• Requires XWLKCORR and YWLKCORR header keywords
• WALKCORR and WALKTAB keywords now obsolete

Added capability to set N_SIGMA for wavelength calibration in wcptab reference file (PR 86840)

• WCPTAB reference file has new column N_SIGMA

Fixed bug in DQ calculation when twozone extraction is used (PR 87655)

• Affected ends of the spectrum when multiple fp-pos positions used