Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:reference_system
|
| gptkbp:accuracy |
microarcsecond level
|
| gptkbp:adoptedBy |
gptkb:International_Astronomical_Union
1997 |
| gptkbp:basisFor |
positions of extragalactic radio sources
|
| gptkbp:centralTo |
barycenter of the Solar System
|
| gptkbp:coordinateAxes |
declination
right ascension |
| gptkbp:definedIn |
radio observations
|
| gptkbp:epoch |
gptkb:J2000.0
|
| gptkbp:frameType |
quasi-inertial
|
| gptkbp:fullName |
International Celestial Reference System
|
| gptkbp:maintainedBy |
gptkb:International_Earth_Rotation_and_Reference_Systems_Service
|
| gptkbp:referencePoint |
gptkb:ICRF
|
| gptkbp:relatedTo |
gptkb:ICRF3
Gaia-CRF |
| gptkbp:replacedBy |
FK5 reference system
|
| gptkbp:usedFor |
gptkb:celestial_coordinate_system
|
| gptkbp:usedIn |
astrometry
celestial navigation |
| gptkbp:bfsParent |
gptkb:International_Commission_on_Remote_Sensing
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
ICRS
|