M49

URI: https://gptkb.org/entity/M49
GPTKB entity
Statements (28)
Predicate Object
gptkbp:instanceOf gptkb:galaxy
gptkbp:affiliatedWith gptkb:Virgo_Supercluster
gptkbp:alsoKnownAs gptkb:Messier_49
gptkbp:apparentMagnitude 8.4
gptkbp:apparentSize 10.2 × 8.3 arcmin
gptkbp:catalogue gptkb:Messier_Catalogue
gptkbp:constellation gptkb:Virgo
gptkbp:declination +08° 00′ 02″
gptkbp:diameter 157,000 light-years
gptkbp:discoveredBy gptkb:Charles_Messier
gptkbp:discoveredIn 1777
gptkbp:distanceFromEarth 56 million light-years
gptkbp:hasGlobularClusters yes
gptkbp:hasSupermassiveBlackHole yes
gptkbp:hasViewOf amateur telescopes
https://www.w3.org/2000/01/rdf-schema#label M49
gptkbp:location gptkb:Virgo_constellation
gptkbp:luminosity 12.8 mag/arcmin²
gptkbp:NGCNumber gptkb:NGC_4472
gptkbp:notableFeature brightest galaxy in Virgo Cluster
gptkbp:numberOfGlobularClusters about 6,000
gptkbp:radialVelocity 997 km/s
gptkbp:redshift 0.003326
gptkbp:relatedGroup gptkb:Virgo_Cluster
gptkbp:rightAscension 12h 29m 46.7s
gptkbp:type gptkb:galaxy
gptkbp:bfsParent gptkb:GC_4472
gptkbp:bfsLayer 6