update_dq

acstools.utils_findsat_mrt.update_dq(filename, ext, mask, dqval=16384, verbose=True, expand_mask=False)

Update the given image and DQ extension with the given satellite trails mask and flag.

This function was moved over from acstools.satdet.

Parameters:

filenamestr

FITS image filename to update.

extint, str, or tuple

DQ extension, as accepted by astropy.io.fits, to update.

maskndarray

Boolean mask, with True marking the satellite trail(s). This can be the result(s) from acstools.satdet.make_mask().

dqvalint, optional

DQ value to use for the trail. Default value of 16384 is tailored for ACS/WFC.

verbosebool, optional

Print extra information to the terminal.

expand_maskbool, optional

Allows the mask to be expanded to match the size of the original mask. This is relevant for masks that were generated used binned versions of the original image.