roman_hls_image

grizli.fake_image.roman_hls_image(exptime=661.932, nexp=13, background=1.12, output='roman.fits', **kwargs)[source]

Make a simple FITS file for a Roman High Latitude Survey Image

Parameters
exptime, nexp, backgroundfloat, int, float

Defaults specified to roughly match the variance in the pandeia 2D simulation result (ignoring Poisson from the source)

outputstr

Output filename passed to make_fake_image. Default is ‘roman.fits’.

kwargsdict

Positional keywords passed to roman_header

Returns
hduastropy.io.fits.HDUList

HDU with SCI, ERR, DQ extensions

wcsastropy.wcs.WCS

WCS