XMM-Newton Science Analysis System


omphotom (omphotom-1.5) [xmmsas_20201028_0905-19.0.0]

Photometry

The parameter “phototype” (one value for each source) determines the photometry method for a particular source. Positive values of phototype (1 to 7) apply to point-sources, and negative values (currently -1) to extended sources.