XMM-Newton Science Analysis System
omsource (omsource-1.27) [xmmsas_20190531_1155-18.0.0]
Background Regions window
This window allows the user to select circular background regions which will
be used to determine a value of the mean background-counts per pixel which
may then be used in the photometry background determination.
Subsections
XMM-Newton SOC/SSC -- 2019-06-02