Name | Unit | Data Type | Size | Default Value | Description |
---|
stackImageID | dimensionless | BIGINT | 8 | NA | Unique stack identifier. |
frameID | dimensionless | INT | 4 | NA | Unique frame/exposure identifier. |
scaleFactor | dimensionless | REAL | 4 | 0 | normalization factor applied to input image before stacking. |
zp | magnitudes | REAL | 4 | 0 | Photometric zeropoint. Necessary for converting listed fluxes and magnitudes back to measured ADU counts. |
expTime | seconds | REAL | 4 | -999 | Exposure time of the frame/exposure. Necessary for converting listed fluxes and magnitudes back to measured ADU counts. |
airMass | dimensionless | REAL | 4 | 0 | Airmass at midpoint of the exposure. Necessary for converting listed fluxes and magnitudes back to measured ADU counts. |