Messier 51

URI: https://gptkb.org/entity/Messier_51

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:galaxy
gptkbp:alsoKnownAs	gptkb:M51 gptkb:Whirlpool_Galaxy gptkb:NGC_5194
gptkbp:angularSize	11.2 × 6.9 arcminutes
gptkbp:apparentMagnitude	8.4
gptkbp:catalogueNumber	gptkb:M51 gptkb:NGC_5194
gptkbp:declination	+47° 11′ 43″
gptkbp:discoveredBy	gptkb:Charles_Messier
gptkbp:discoveredIn	1773
gptkbp:distanceFromEarth	23 million light-years
gptkbp:hasCompanion	gptkb:NGC_5195
gptkbp:hasSupernova	gptkb:SN_1994I gptkb:SN_2005cs gptkb:SN_2011dh
https://www.w3.org/2000/01/rdf-schema#label	Messier 51
gptkbp:locatedIn	gptkb:Canes_Venatici
gptkbp:morphologicalType	SA(s)bc pec
gptkbp:notableFor	interaction with NGC 5195 prominent spiral structure
gptkbp:observedBy	gptkb:Hubble_Space_Telescope
gptkbp:partOf	gptkb:Messier_Catalogue gptkb:NGC_Catalogue
gptkbp:redshift	0.001544
gptkbp:rightAscension	13h 29m 52.7s
gptkbp:bfsParent	gptkb:SN_1994I gptkb:Whirlpool_Galaxy gptkb:Charles_Messier gptkb:Canes_Venatici gptkb:NGC_5194 gptkb:SN_2005cs gptkb:SN_2011dh
gptkbp:bfsLayer	6