NGC 3031

URI: https://gptkb.org/entity/NGC_3031
GPTKB entity
Statements (33)
Predicate Object
gptkbp:instanceOf gptkb:galaxy
astronomer
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
https://www.w3.org/2000/01/rdf-schema#label NGC 3031
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