containment_radius#

gammapy.maps.containment_radius(map_, fraction=0.393, position=None)[source]#
Compute containment radius from a position in a map

with integral quantities and flat geometry.

Parameters
map_WcsNDMap

Map of integral quantities.

fractionfloat

Containment fraction. Default is 0.393.

positionSkyCoord

Position from where the containment is computed. Default is the center of the Map.

Returns
radiusAngle

Minimal radius required to reach the given containement fraction.