ICRS

GPTKB entity

Statements (23)
Predicate Object
gptkbp:instanceOf 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
https://www.w3.org/2000/01/rdf-schema#label ICRS
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 celestial coordinate system
gptkbp:usedIn astrometry
celestial navigation
gptkbp:bfsParent gptkb:International_Commission_on_Remote_Sensing
gptkbp:bfsLayer 7