XMM-Newton Science Analysis System
omdetect (omdetect-5.34) [xmmsas_20141104_1833-14.0.0]
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The position of a source on the image (XPOS and YPOS) are referred to a
coordinate origin in which the pixel at the far-left and bottom of the image has coordinates
1.0, 1.0. The source barycentre coordinates are computed using the first-order moments of the intensity profile.
Subsections
XMM-Newton SOC/SSC -- 2014-11-04