nircam_wisp_correction

grizli.prep.nircam_wisp_correction(calibrated_file, niter=3, update=True, verbose=True, force=False, prefer_stsci_file=True, **kwargs)[source]

Fit the NIRCam wisp template and subtract

See https://jwst-docs.stsci.edu/jwst-near-infrared-camera/nircam-features-and-caveats/nircam-claws-and-wisps.

Wisp template files at https://stsci.app.box.com/s/1bymvf1lkrqbdn9rnkluzqk30e8o2bne?sortColumn=name&sortDirection=ASC.

and

https://s3.amazonaws.com/grizli-v2/NircamWisp/index.html

The wisps_{detector}_{FILTER}.fits files should be put in a directory $GRIZLI/CONF/NircamWisp.

Parameters
calibrated_filestr

Filename of a flat-fielded file (either cal or a processed rate file)

niterint

Number of mask iterations

updatebool

Subtract the wisp model from the ‘SCI’ extension of calibrated_file

verbosebool

verbosity

forcebool

Force wisp fit, even if ‘WISPBKG’ keyword already found in header