Description: Contains the mapping of input frames used to construct a particular stack along with processing stats. 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.
