M32

E100923

M32 is a compact dwarf elliptical galaxy that orbits the Andromeda Galaxy within the Local Group.

All labels observed (1)

Label Occurrences
M32 canonical 5

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf astronomical object
dwarf elliptical galaxy
satellite galaxy
absoluteMagnitudeV about −16.5
alsoKnownAs Messier 32
NGC 221
PGC 2557
linked to: NGC 205

UGC 452
angularSize 8.7 × 6.4 arcminutes
apparentMagnitudeV 8.1
bestSeenInMonth October
catalog Messier catalogue
New General Catalogue
catalogNumber M32
NGC 221
centralBlackHoleMass about 2.5 million solar masses
declination +40° 51′ 55″
discoveredBy Guillaume Le Gentil
discoveryYear 1749
distanceFromEarth about 2.5 million light-years
about 770 kiloparsecs
galaxyType elliptical
hasGlobularClusters few
hasNucleus compact
hasStarFormation very low current star formation
hasStellarPopulation predominantly old stars
hasSupermassiveBlackHole true
hostGalaxyGroup Andromeda subgroup of the Local Group
linked to: Andromeda subgroup
includedBy Charles Messier
interactionWith Andromeda Galaxy
isCompact true
isTidalStripped likely
locatedInConstellation Andromeda
linked to: Andromeda Galaxy
memberOf Local Group
messierListNumber 32
morphologicalType cE2
nearSkyNeighbor Andromeda Galaxy
NGC 205
observedInWavelength X-ray
infrared
optical
orbits Andromeda Galaxy
radialVelocity about −205 km/s
redshift −0.000459
rightAscension 00h 42m 41.8s
satelliteOf Andromeda Galaxy
surfaceBrightness high
visibleFrom Northern Hemisphere

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.