CoaddPatches
Static information about the subset of tracts and patches from the standard LSST skymap that apply to coadds in these catalogs
Columns
| name | datatype | description | unit | nullable | ivoa:ucd | tap:column_index | tap:principal | tap:std | votable:arraysize | votable:utype | length |
|---|---|---|---|---|---|---|---|---|---|---|---|
| lsst_tract indexed | long | ID number of the top level, 'tract', within the standard LSST skymap | false | meta.id;obs.field | 1 | 1 | 0 | ||||
| lsst_patch indexed | long | ID number of the second level, 'patch', within the standard LSST skymap | false | meta.id.part;obs.field | 2 | 1 | 0 | ||||
| s_ra | double | Central Spatial Position in ICRS; Right ascension | deg | false | pos.eq.ra | 3 | 1 | 1 | Char.SpatialAxis.Coverage.Location.Coord.Position2D.Value2.C1 | ||
| s_dec | double | Central Spatial Position in ICRS; Declination | deg | false | pos.eq.dec | 4 | 1 | 1 | Char.SpatialAxis.Coverage.Location.Coord.Position2D.Value2.C2 | ||
| s_region | string | Sky region covered by the coadd (expressed in ICRS frame) | false | pos.outline;obs.field | 5 | 1 | 1 | 512* | Char.SpatialAxis.Coverage.Support.Area | 512 |
Indexes
| Index | Definition | Description |
|---|---|---|
| idx_CoaddPatches_lsst_patch | lsst_patch | Non-unique index on the lsst_patch column |
| idx_CoaddPatches_lsst_tract | lsst_tract | Non-unique index on the lsst_tract column |