subtract_background

sofia_redux.instruments.forcast.stack.subtract_background(data, header=None, mask=None, stat='mode')[source]

Remove background from data

Parameters:
datanumpy.ndarray

input data (nrow, ncol)

headerastropy.io.fits.header.Header, optional

FITS header to update with HISTORY messages

masknumpy.ndarray, optional

mask defining which pixels to use for background calculation. True=Use.

stat{‘mode’, ‘median’}

Statistic to use in calculating the residual background.

Returns:
numpy.ndarray

background subtracted data (nrow, ncol)