DiaObjectLast
Table with a subset of DiaObject columns used to store only the latest version of each object.
Columns
| name | datatype | description | unit | nullable | ivoa:ucd | autoincrement |
|---|---|---|---|---|---|---|
| diaObjectId primary key | long | Unique id. | false | meta.id;src | false | |
| validityStartMjdTai | double | Processing time when validity of this diaObject starts, expressed as Modified Julian Date, International Atomic Time. | false | time.epoch | ||
| lastDiaSourceMjdTai | double | Time of the most recent non-forced DIASource for this object, expressed as Modified Julian Date, International Atomic Time. | true | time.epoch | ||
| ra | double | Right ascension coordinate of the position of the object. | deg | false | pos.eq.ra | |
| raErr | float | Angular error of Right Ascension (∂RA*cos(Dec)). | deg | true | stat.error;pos.eq.ra | |
| dec | double | Declination coordinate of the position of the object. | deg | false | pos.eq.dec | |
| decErr | float | Angular error of dec. | deg | true | stat.error;pos.eq.dec | |
| ra_dec_Cov | float | Covariance between Right Ascension (RA*cos(Dec)) and dec. | deg**2 | true | ||
| firstDiaSourceMjdTai | double | Time of the first diaSource, expressed as Modified Julian Date, International Atomic Time. | true | time.epoch | ||
| nDiaSources | int | Total number of DiaSources associated with this DiaObject. | false |