|
gptkbp:instanceOf
|
gptkb:galaxy
|
|
gptkbp:alsoKnownAs
|
gptkb:Messier_87
gptkb:NGC_4486
|
|
gptkbp:apparentMagnitude
|
9.59
|
|
gptkbp:catalogue
|
gptkb:Messier_Catalogue
gptkb:NGC_Catalogue
UGC 7654
PGC 41487
|
|
gptkbp:centralBlackHoleMass
|
6.5 billion solar masses
|
|
gptkbp:constellation
|
gptkb:Virgo
|
|
gptkbp:contains
|
black hole
relativistic jet
|
|
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:galacticLatitude
|
+74.49°
283.78°
|
|
gptkbp:hasActiveGalacticNucleus
|
true
|
|
gptkbp:hasDustLane
|
false
|
|
gptkbp:hasJetLength
|
5,000 light-years
|
|
gptkbp:hasLINERNucleus
|
true
|
|
gptkbp:hasOldStellarPopulation
|
true
|
|
gptkbp:hasRadioSource
|
gptkb:Virgo_A
|
|
gptkbp:hasStarFormation
|
low
|
|
gptkbp:hasTypeIaSupernova
|
gptkb:SN_1956A
gptkb:SN_2017cbv
SN 1980I
SN 1919A
|
|
gptkbp:hasXRaySource
|
gptkb:M87*
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
M87 galaxy
|
|
gptkbp:isBrightestClusterGalaxy
|
true
|
|
gptkbp:isGiantElliptical
|
true
|
|
gptkbp:isRadioGalaxy
|
true
|
|
gptkbp:locatedIn
|
gptkb:Virgo_Cluster
|
|
gptkbp:luminosity
|
13.1 mag/arcsec²
|
|
gptkbp:mass
|
2.7–6.6 × 10^12 solar masses
|
|
gptkbp:morphologicalType
|
gptkb:E0
|
|
gptkbp:nearestNeighborGalaxy
|
gptkb:NGC_4478
NGC 4486A
|
|
gptkbp:notableFor
|
first direct image of a black hole
|
|
gptkbp:numberOfGlobularClusters
|
12,000–15,000
|
|
gptkbp:partOf
|
gptkb:Virgo_Supercluster
|
|
gptkbp:photographed
|
gptkb:Event_Horizon_Telescope
|
|
gptkbp:radialVelocity
|
1307 km/s
|
|
gptkbp:redshift
|
0.00436
|
|
gptkbp:rightAscension
|
12h 30m 49.4s
|
|
gptkbp:supermassiveBlackHoleImaged
|
2019
|
|
gptkbp:bfsParent
|
gptkb:New_New_Earth
gptkb:The_First_Photo_of_a_Black_Hole
|
|
gptkbp:bfsLayer
|
7
|