Messier 61

URI: https://gptkb.org/entity/Messier_61

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:galaxy
gptkbp:alsoKnownAs	gptkb:NGC_4303
gptkbp:apparentMagnitude	10.2
gptkbp:catalogue	gptkb:Messier_Catalogue gptkb:NGC_Catalogue
gptkbp:constellation	gptkb:Virgo
gptkbp:declination	+4° 28′ 25″
gptkbp:diameter	100,000 light-years
gptkbp:discoveredBy	gptkb:Barnaba_Oriani
gptkbp:discoveredIn	May 5, 1779
gptkbp:distanceFromEarth	52 million light-years
gptkbp:groupCluster	gptkb:Virgo_Cluster
https://www.w3.org/2000/01/rdf-schema#label	Messier 61
gptkbp:morphologicalType	SAB(rs)bc
gptkbp:notableFeature	active star formation central starburst region hosts a supermassive black hole
gptkbp:partOf	gptkb:Virgo_Supercluster
gptkbp:redshift	0.005224
gptkbp:rightAscension	12h 21m 54.9s
gptkbp:supernovaeObserved	gptkb:SN_1926A gptkb:SN_1961I gptkb:SN_1964F gptkb:SN_1999gn gptkb:SN_2006ov gptkb:SN_2008in gptkb:SN_2014dt gptkb:SN_2020jfo
gptkbp:bfsParent	gptkb:Virgo_(constellation) gptkb:M61 gptkb:G61 gptkb:Charles_Messier gptkb:Virgo_Cluster gptkb:Virgo_Supercluster
gptkbp:bfsLayer	6