img_with_flat

grizli.jwst_utils.img_with_flat(input, verbose=True, overwrite=True, apply_photom=True, use_skyflats=True, mask_dq4_fraction=0.25)

Apply flat-field and photom corrections if nessary

Parameters

inputstr, HDUList

FITS filename of a JWST image or a previously-opened HDUList with SIP wcs information stored in the first extension.

verbosebool

Messaging to terminal.

overwritebool

Overwrite FITS file with updated header keywords.

apply_photombool

Apply photometric calibration if True and the exposure is not a grism or the apply_photom parameter is set to False.

use_skyflatsbool

Apply sky flat corrections if True and CRDS_CONTEXT > MAX_CTX_FOR_SKYFLATS.

mask_dq4_fractionfloat

Add an additional check for the fraction of pixels with the DQ=4 bit set. If the fraction is found to be greater than this value, unset them in the DQ extension.

Returns

outputjwst.datamodels.ImageModel

Updated data model