International Celestial Reference Frame (ICRF)
GPTKB entity
Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
celestial reference frame
|
| gptkbp:abbreviation |
gptkb:ICRF
|
| gptkbp:adoptedBy |
1998
|
| gptkbp:basedOn |
positions of extragalactic radio sources
|
| gptkbp:category |
astrometry
astronomical reference systems |
| gptkbp:coordinates |
equatorial
declination right ascension |
| gptkbp:definedIn |
gptkb:International_Astronomical_Union
|
| gptkbp:epoch |
gptkb:J2000.0
|
| https://www.w3.org/2000/01/rdf-schema#label |
International Celestial Reference Frame (ICRF)
|
| gptkbp:ICRF3AdoptedIn |
2018
|
| gptkbp:latestReleaseVersion |
gptkb:ICRF3
|
| gptkbp:mainReferencePlane |
gptkb:celestial_equator
|
| gptkbp:numberOfSourcesInICRF3 |
4536
|
| gptkbp:realizedBy |
gptkb:Very_Long_Baseline_Interferometry
|
| gptkbp:referencePoint |
gptkb:International_Terrestrial_Reference_Frame_(ITRF)
|
| gptkbp:replacedBy |
gptkb:FK5_celestial_reference_frame
|
| gptkbp:usedFor |
astrometry
space navigation Earth orientation measurements |
| gptkbp:bfsParent |
gptkb:Very_Long_Baseline_Interferometry_(VLBI)
|
| gptkbp:bfsLayer |
6
|