Pan-STARRS1 best neighbour (gaiadr2.panstarrs1_best_neighbour)
The table has 810359898 rows, 7 columns.
Description
Pan-STARRS1 BestNeighbour table lists each matched Gaia object with its best neighbour in the external catalogue.
There are 1 327 157 objects in the filtered version of Pan-STARRS1 used to compute this cross-match that have too early {epochMean}.
Attribution
If you have used Gaia data in your research, please use the following acknowledgement:
This work has made use of data from the European Space Agency (ESA) mission Gaia (http://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, http://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement.
More information can be found on the credit and citation instructions page.
Columns
| Name | Type | UCD | Unit | Description |
|---|---|---|---|---|
| source_id | long |
meta.id meta.main meta.ref |
Unique Gaia source identifier |
|
| original_ext_source_id | long | meta.id.cross |
Original External Catalogue source identifier |
|
| angular_distance | double | pos.angDistance | Angle[arcsec] |
Angular Distance between the two sources |
| number_of_neighbours | int | meta.number |
Number of neighbours in External Catalogue |
|
| number_of_mates | short | meta.number |
Number of mates in Gaia Catalogue |
|
| best_neighbour_multiplicity | short | meta.number |
Number of neighbours with same probability as best neighbour |
|
| gaia_astrometric_params | short | meta.code.status |
Number of Gaia astrometric params used |