|
gptkbp:instanceOf
|
gptkb:galaxy
|
|
gptkbp:alternativeName
|
gptkb:M87
gptkb:NGC_4486
|
|
gptkbp:apparentMagnitude
|
9.59
|
|
gptkbp:catalogue
|
gptkb:Messier_Catalogue
gptkb:New_General_Catalogue
|
|
gptkbp:constellation
|
gptkb:Virgo
|
|
gptkbp:declination
|
+12° 23′ 28″
|
|
gptkbp:diameter
|
~120,000 light-years
|
|
gptkbp:discoveredBy
|
gptkb:Charles_Messier
|
|
gptkbp:discoveredIn
|
1781
|
|
gptkbp:distanceFromEarth
|
53.5 million light-years
|
|
gptkbp:groupCluster
|
gptkb:Virgo_Cluster
|
|
gptkbp:hasSupermassiveBlackHole
|
~6.5 billion solar masses
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Messier 87
|
|
gptkbp:locatedIn
|
gptkb:Virgo_Cluster
|
|
gptkbp:mass
|
~2.7 trillion solar masses
|
|
gptkbp:notableEvent
|
gptkb:first_direct_image_of_a_black_hole_(2019)
|
|
gptkbp:notableFeature
|
black hole
relativistic jet
|
|
gptkbp:notableFor
|
powerful relativistic jet
central galaxy of Virgo Cluster
large population of globular clusters
|
|
gptkbp:numberOfGlobularClusters
|
~12,000
|
|
gptkbp:photographed
|
gptkb:Event_Horizon_Telescope
|
|
gptkbp:radialVelocity
|
1,307 km/s
|
|
gptkbp:redshift
|
0.00436
|
|
gptkbp:rightAscension
|
12h 30m 49.4s
|
|
gptkbp:type
|
E0/E1 (elliptical)
|
|
gptkbp:bfsParent
|
gptkb:M87*_black_hole
|
|
gptkbp:bfsLayer
|
5
|