| 1 | Close to a dither edge (not yet implemented) |
| 2 | |
| 4 | Close to a bright source (not yet implemented) |
| 8 | |
| 16 | Deblended |
| 32 | |
| 64 | Bad pixel(s) in default aperture |
| 128 | Low confidence in default aperture |
| 256 | |
| 512 | |
| 1024 | |
| 2048 | |
| 4096 | Lies within detector 16 region of a tile |
| 8192 | |
| 16384 | |
| 32768 | |
| 65536 | Close to saturated |
| 131072 | Photometric calibration probably subject to systematic error |
| 262144 | |
| 524288 | |
| 1048576 | Possible diffraction spike artefact/contamination (not yet implemented) |
| 2097152 | |
| 4194304 | Lies within a dither offset of the stacked frame boundary |
| 8388608 | Lies within the underexposed strip (or 'ear') of a tile |
| 16777216 | Lies within an underexposed region of a tile due to missing detector |