User’s Guide

This User’s Guide describes the Serendipitous Source Catalogues from overlapping XMM-Newton observations. Their latest – fourth – release is 4XMM-DR11s (Dec. 2020). The catalogue release papers Traulsen et al. 2019, A&A 624, A77, and 2020, A&A 641, A137, give details on the data selection, the data processing, and the catalogue construction. The following websites include an executive summary.


Hammer-Aitoff map of the 4XMM-DR9s input observations in Galactic coordinates with a colour scale corresponding to the cumulated exposure time * Data processing Standard source detection Stacked source detection Background modeling