excess_ul_helene

gammapy.stats.excess_ul_helene(excess, excess_error, significance)

Compute excess upper limit using the Helene method.

Reference: https://ui.adsabs.harvard.edu/abs/1984NIMPA.228..120H

Parameters

excessfloat

Signal excess

excess_errorfloat

Gaussian excess error For on / off measurement, use this function to compute it: excess_error.

significancefloat

Confidence level significance for the excess upper limit.

Returns

excess_ulfloat

Upper limit for the excess