Add support for spectrum with area and/or background scale arrays

Question

Opened this issue 6 months ago · 1 comments

Details about how Xspec groups the area/background array, see the OGIP_92aData::groupArrays function in this link.

Answer 1 · 2024-05-14T19:26:53.000Z

The significance type grouping functions, which use the information of background ratio, should be also refactored.