Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:access |
public domain
|
| gptkbp:catalogue |
digital
|
| gptkbp:dataSource |
CCD observations
astrograph telescope |
| gptkbp:epoch |
1998-2002
|
| gptkbp:fullName |
gptkb:Second_U.S._Naval_Observatory_CCD_Astrograph_Catalog
|
| https://www.w3.org/2000/01/rdf-schema#label |
UCAC2
|
| gptkbp:locationOfObservations |
gptkb:Cerro_Tololo_Inter-American_Observatory
gptkb:Naval_Observatory_Flagstaff_Station |
| gptkbp:predecessor |
gptkb:UCAC1
|
| gptkbp:provides |
magnitudes
proper motions astrometric positions |
| gptkbp:publishedBy |
gptkb:United_States_Naval_Observatory
|
| gptkbp:rating |
over 48 million
|
| gptkbp:releaseDate |
2003
|
| gptkbp:servesArea |
-90 to +40 degrees declination
|
| gptkbp:successor |
gptkb:UCAC3
|
| gptkbp:usedFor |
astrometry
reference frame construction |
| gptkbp:bfsParent |
gptkb:UCAC2_362858.00
|
| gptkbp:bfsLayer |
6
|