make_map_background_irf¶

gammapy.cube.make_map_background_irf(pointing, ontime, bkg, geom)[source]¶

Compute background map from background IRFs.

Parameters:

pointing : SkyCoord

Pointing direction

ontime : Quantity

Observation ontime. i.e. not corrected for deadtime see https://gamma-astro-data-formats.readthedocs.io/en/stable/irfs/full_enclosure/bkg/index.html#notes)

bkg : Background3D

Background rate model

geom : WcsGeom

Reference geometry

Returns:

background : WcsNDMap

Background predicted counts sky cube in reco energy