XMM-Newton Science Analysis System . ... Meta Index . This task merges EPIC event lists or additional files (attitude, orbit) from two exposures (even from different observations and instruments), pointing in the same or an adjacent direction. Sky coordinates are (optionally) adjusted for attitude errors and then reprojected to a common reference point. The output files can be used by evselect and the higher level detection and time analysis tasks. ... Errors . ... Output Files . ...