XMM-Newton Science Analysis System


attcalc (attcalc-4.39) [xmmsas_20230412_1735-21.0.0]

attcalc

Abstract:

The task attcalc calculates linearized sky coordinates (i.e. a tangential projection on the sky) on an event-by-event basis, and stores these new coordinates in the input event list in columns X and Y, as offsets from a particular reference point.