Science Analysis System: User Guide
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6.2.6 Source variability: omvariability
- omvariability (step15). If an observation contains several
exposures obtained with the same filter, the task omvariability reads
the source lists of all exposures within the observation and looks for
variability of all detected sources. A chi square test is run to assess
possible variability. The results are added to the combined source list, and
light curves are plotted for the sources considered as variable.
See the SAS on-line documentation for further details.
European Space Agency - XMM-Newton Science Operations Centre