DiaForcedSource
Forced-photometry source measurement on an individual difference Exposure for all objects in the DiaObject table
Columns
| name | datatype | description | unit | nullable | ivoa:ucd | length |
|---|---|---|---|---|---|---|
| diaForcedSourceId | long | Unique id. | false | |||
| diaObjectId | long | Id of the DiaObject that this DiaForcedSource was associated with. | false | meta.id;src | ||
| ra | double | Right ascension coordinate of the position of the DiaObject. | deg | false | pos.eq.ra | |
| dec | double | Declination coordinate of the position of the DiaObject. | deg | false | pos.eq.dec | |
| visit | long | Id of the visit where this forcedSource was measured. | false | meta.id;obs.image | ||
| detector | short | Id of the detector where this forcedSource was measured. Datatype short instead of byte because of DB concerns about unsigned bytes. | false | meta.id;obs.image | ||
| psfFlux | float | Point Source model flux. | nJy | true | phot.count | |
| psfFluxErr | float | Uncertainty of psfFlux. | nJy | true | stat.error;phot.count | |
| midpointMjdTai | double | Effective mid-visit time for this diaForcedSource, expressed as Modified Julian Date, International Atomic Time. | d | false | time.epoch | |
| scienceFlux | float | Forced photometry flux for a point source model measured on the visit image centered at the DiaObject position. | nJy | true | phot.count | |
| scienceFluxErr | float | Uncertainty of scienceFlux. | nJy | true | stat.error;phot.count | |
| band | char | Filter band this source was observed with. | true | meta.id;instr.filter | 1 | |
| timeProcessedMjdTai | double | Time when this record was generated, expressed as Modified Julian Date, International Atomic Time. | false | |||
| timeWithdrawnMjdTai | double | Time when this record was marked invalid, expressed as Modified Julian Date, International Atomic Time. | true |