|
gptkbp:instanceOf
|
gptkb:galaxy
|
|
gptkbp:alsoKnownAs
|
gptkb:M87
gptkb:Messier_87
|
|
gptkbp:apparentMagnitude
|
9.59
|
|
gptkbp:catalogueNumber
|
gptkb:Messier_87
gptkb:NGC_4486
PGC 41319
UGC 7654
|
|
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:epoch
|
gptkb:J2000
|
|
gptkbp:galaxyType
|
gptkb:galaxy
|
|
gptkbp:hasCepheidVariables
|
yes
|
|
gptkbp:hasDustLanes
|
yes
|
|
gptkbp:hasJetLength
|
~5,000 light-years
|
|
gptkbp:hasLINER
|
yes
|
|
gptkbp:hasLowSurfaceBrightnessFeatures
|
yes
|
|
gptkbp:hasMultipleNuclei
|
no
|
|
gptkbp:hasPlanetaryNebulae
|
yes
|
|
gptkbp:hasPlanetaryNebulaLuminosityFunction
|
yes
|
|
gptkbp:hasRadioSource
|
gptkb:Virgo_A
|
|
gptkbp:hasSupermassiveBlackHole
|
yes
~6.5 billion solar masses
|
|
gptkbp:hasUltraCompactDwarfs
|
yes
|
|
gptkbp:hasXRayEmission
|
yes
|
|
gptkbp:hasXRayHalo
|
yes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
NGC 4486
|
|
gptkbp:isBrightestClusterGalaxy
|
yes
|
|
gptkbp:isGiantEllipticalGalaxy
|
yes
|
|
gptkbp:isRadioGalaxy
|
yes
|
|
gptkbp:locatedIn
|
gptkb:Virgo
|
|
gptkbp:luminosity
|
13.1 mag/arcmin²
|
|
gptkbp:mass
|
~2.7 trillion solar masses
|
|
gptkbp:notableEvent
|
First direct image of a black hole (2019)
|
|
gptkbp:notableFeature
|
active galactic nucleus
relativistic jet
|
|
gptkbp:numberOfGlobularClusters
|
~12,000
|
|
gptkbp:partOf
|
gptkb:Virgo_Cluster
|
|
gptkbp:photographed
|
gptkb:Event_Horizon_Telescope
gptkb:Hubble_Space_Telescope
|
|
gptkbp:redshift
|
0.00436
|
|
gptkbp:rightAscension
|
12h 30m 49.4s
|
|
gptkbp:satellite_galaxies
|
yes
|
|
gptkbp:stellarPopulation
|
old, metal-rich
|
|
gptkbp:supernovaeObserved
|
yes
|
|
gptkbp:bfsParent
|
gptkb:Messier_87
|
|
gptkbp:bfsLayer
|
6
|