M81

URI: https://gptkb.org/entity/M81

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:galaxy Messier object
gptkbp:alsoKnownAs	gptkb:Bode's_Galaxy
gptkbp:apparentMagnitude	6.94
gptkbp:catalogueNumber	gptkb:Arp_337 gptkb:PGC_28630 gptkb:UGC_5318 gptkb:NGC_3031
gptkbp:declination	+69° 03′ 55″
gptkbp:diameter	about 90,000 light-years
gptkbp:discoveredBy	gptkb:Johann_Elert_Bode
gptkbp:discoveredIn	1774
gptkbp:distanceFromEarth	about 12 million light-years
gptkbp:galacticLatitude	l = 142.09°, b = 40.90°
gptkbp:hasActiveNucleus	yes
gptkbp:hasCompanion	gptkb:M82 gptkb:NGC_3077
gptkbp:hasSupernova	gptkb:SN_1993J
https://www.w3.org/2000/01/rdf-schema#label	M81
gptkbp:locatedIn	constellation Ursa Major
gptkbp:morphologicalType	SA(s)ab
gptkbp:namedAfter	gptkb:Johann_Elert_Bode
gptkbp:partOf	gptkb:M81_Group
gptkbp:redshift	-0.000113
gptkbp:rightAscension	09h 55m 33.2s
gptkbp:type	gptkb:galaxy
gptkbp:visibleFromEarthWith	astronomer
gptkbp:bfsParent	gptkb:MD-81 gptkb:Messier_marathon gptkb:M82 gptkb:大熊座 gptkb:Ursa_Major_constellation gptkb:Grote_Beer gptkb:40_mm_Bofors_autocannon gptkb:E-M81 gptkb:Messier_81
gptkbp:bfsLayer	7