NGC 3031

URI: https://gptkb.org/entity/NGC_3031

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:astronomer gptkb:galaxy
gptkbp:alsoKnownAs	gptkb:M81 gptkb:Messier_81
gptkbp:apparentMagnitude	6.94
gptkbp:apparentSize	26.9 × 14.1 arcmin
gptkbp:catalogueNumber	gptkb:PGC_28630 gptkb:UGC_5318 gptkb:NGC_3031 gptkb:Messier_81
gptkbp:constellation	gptkb:Ursa_Major
gptkbp:declination	+69° 03′ 55″
gptkbp:diameter	about 90,000 light-years
gptkbp:discoveredBy	gptkb:Johann_Elert_Bode
gptkbp:discoveredIn	1774
gptkbp:distanceFromEarth	11.8 million light-years
gptkbp:distanceFromMilkyWay	about 12 million light-years
gptkbp:epoch	gptkb:J2000
gptkbp:galaxyType	SA(s)ab
gptkbp:hasCompanion	gptkb:NGC_3034 gptkb:NGC_3077 gptkb:Holmberg_IX
gptkbp:hasSupermassiveBlackHole	present
gptkbp:locatedIn	gptkb:Ursa_Major
gptkbp:memberOf	gptkb:M81_Group
gptkbp:morphologicalType	gptkb:galaxy
gptkbp:notableSupernovae	gptkb:SN_1993J
gptkbp:radialVelocity	-34 km/s
gptkbp:redshift	-0.000113
gptkbp:rightAscension	09h 55m 33.2s
gptkbp:bfsParent	gptkb:Messier_81
gptkbp:bfsLayer	7
https://www.w3.org/2000/01/rdf-schema#label	NGC 3031