make_concentric_annulus_sky_regions#

gammapy.utils.regions.make_concentric_annulus_sky_regions(center, radius_max, radius_min=<Quantity 1.e-05 deg>, nbin=11)[source]#

Make a list of concentric annulus regions.

Parameters

centerSkyCoord: Center coordinate
radius_maxQuantity: Maximum radius.
radius_minQuantity: Minimum radius.
nbinint: Number of boxes along the line

Returns

regionslist of RectangleSkyRegion: Regions in which the profiles are made