get_saturated_pixels

grizli.jwst_utils.get_saturated_pixels(file='jw02561001002_06101_00001_nrca3_rate.fits', dq_array=None, saturated_flag='SATURATED', erode_dilate=(2, 5), rc_flag='RC', rc_iterations=2, **kwargs)

Get list of saturated pixels, e.g., for use in persistence masking

Parameters

filestr

Exposure filename with “DQ” extension

dq_arrayarray-like

saturated_flagstr

Flag name in jwst.datamodels.dqflags.pixel to treat as “saturated”

rc_flagstr

Flag name in jwst.datamodels.dqflags.pixel for the “RC” pixels to exclude

rc_iterationsint

If > 0, make a mask of pixels flagged with the “RC” bit, dilate it and exclude them from the saturated list

Returns

flaggedarray-like

Boolean mask of flagged pixels