Gaia Celestial Reference Frame 3 (Gaia-CRF3)

GPTKB entity

Statements (20)
Predicate Object
gptkbp:instanceOf celestial reference frame
astrometric catalog
gptkbp:accuracy sub-milliarcsecond
gptkbp:basedOn gptkb:Gaia_mission
gptkbp:contains quasars
gptkbp:epoch J2016.0
https://www.w3.org/2000/01/rdf-schema#label Gaia Celestial Reference Frame 3 (Gaia-CRF3)
gptkbp:mainLine positions of extragalactic sources
gptkbp:numberOfSources 1,614,173
gptkbp:partOf gptkb:Gaia_Data_Release_3
gptkbp:predecessor Gaia Celestial Reference Frame 2 (Gaia-CRF2)
gptkbp:publishedBy gptkb:European_Space_Agency
gptkbp:purpose astrometric reference for celestial coordinates
gptkbp:referencePoint International Celestial Reference System (ICRS)
gptkbp:releaseDate 2022
gptkbp:usedFor astrometry
celestial navigation
high-precision astronomy
gptkbp:bfsParent gptkb:Gaia_DR3
gptkbp:bfsLayer 5