Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:basedOn |
ESO/SERC plates
POSS-I plates |
| gptkbp:compiledBy |
gptkb:United_States_Naval_Observatory
|
| gptkbp:containsObjects |
526,280,881
|
| gptkbp:coversSky |
entire sky
|
| gptkbp:dataReleaseFormat |
online
CD-ROM |
| https://www.w3.org/2000/01/rdf-schema#label |
USNO-A2.0
|
| gptkbp:limitingMagnitude |
B~20
R~19 |
| gptkbp:productType |
astrometric catalog
photometric catalog |
| gptkbp:provides |
astrometric data
photometric data |
| gptkbp:publicationYear |
1998
|
| gptkbp:purpose |
reference for astrometry and photometry
|
| gptkbp:replacedBy |
gptkb:USNO-B1.0
|
| gptkbp:usedFor |
identification of optical counterparts
|
| gptkbp:bfsParent |
gptkb:USNO-B1.0
|
| gptkbp:bfsLayer |
7
|