XMM-Newton Science Analysis System
omqualitymap (omqualitymap-1.5) [xmmsas_20211130_0941-20.0.0]
- Bit 0 (Bad pixel) is initially set by omcosflag. When omdetect does photometry on the detected point-like sources,
any quality-pixel within the aperture that has this bit set will cause the quality-flag bit 0 of the source to be set. Note that pixels within
the background-annulus with quality-bit 0 set are not used. Similarly, for extended-sources, any quality-pixel assigned to the source that has bit
0 set will cause the quality-flag bit 0 of the source to be set.
- Bit 6 (Bright-source close proximity) is set by omdetect
- Bit 8 (Point-source lies within extended source) is set by omdetect- no sense in setting the quality-image pixels.
XMM-Newton SOC -- 2021-11-30