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XMM-Newton Science Analysis System


omsource (omsource-1.25.1) [xmmsas_20160201_1833-15.0.0]

Background Determination Controls Background Determination Controls User regions Home Index

Meta Index / Home Page / Imaging Mode Photometry Window / Background Determination Controls

Annulus

If this is checked then the background will be determined from an annulus region on the image.


XMM-Newton SOC/SSC -- 2016-02-01