separate_chip_sky

grizli.prep.separate_chip_sky(visit, filters=['F200LP', 'F350LP', 'F600LP', 'F390W'], stepsize=10, statistic=<function nanmedian>, by_amp=True, only_flc=True, row_average=True, average_order=11, seg_dilate=16, **kwargs)

Get separate background values for each chip. Updates ‘CHIPSKY’ header keyword for each SCI extension of the visit exposure files.

Parameters

visitdict

List of visit information from parse_flt_files.

filterslist

Only run if the exposures in visit['files'] use a filter in this list, e.g., less-common WFC3/UVIS filters

stepsizeint

Parameter for blot

statisticfunc

Test statistic on (masked) image data from each extension

by_ampbool

Compute stats by amp (half-chip) subregions (not implemented)

only_flcTrue

Only run if visit['files'][0] has “flc” extension

Returns

statusbool

Runtime status, True if executed