XMM-Newton Science Analysis System


omqualitymap (omqualitymap-1.6) [22.0.0-9173c7d25-20250127]

Setting of bit 1 (Read-out streak)

Any source with a raw-count rate $\ge$ 60 counts/sec, or one that has bit 4 of its quality-flag set (modular-8 pattern) will be assumed to have produced a read-out streak. bit 1 of the quality-image pixels within a series of 16 unbinned vertical columns, horizontally-centred on the star, will be set.