Pegasus Dwarf Spheroidal Galaxy
E525108
Pegasus Dwarf Spheroidal Galaxy is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Pegasus dwarf spheroidal galaxy | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
dwarf spheroidal galaxy
ⓘ
galaxy in the Local Group ⓘ |
| absoluteMagnitudeV | about −10.3 ⓘ |
| alternateName |
Andromeda VI
NERFINISHED
ⓘ
Pegasus dSph NERFINISHED ⓘ |
| apparentMagnitudeV | about 14.2 ⓘ |
| belongsTo | Andromeda subgroup of the Local Group NERFINISHED ⓘ |
| constellation | Pegasus NERFINISHED ⓘ |
| contains |
horizontal branch stars
ⓘ
old metal-poor stars ⓘ red giant branch stars ⓘ |
| darkMatterContent | dominant ⓘ |
| declination | +05° 24′ ⓘ |
| discoveredBy |
Alan W. McConnachie
NERFINISHED
ⓘ
Mike Irwin NERFINISHED ⓘ N. F. Martin NERFINISHED ⓘ collaborators ⓘ |
| discoveryMethod | resolved star counts on photographic plates and CCD images ⓘ |
| discoveryYear | 1999 ⓘ |
| distanceFromAndromedaGalaxy | about 294 kiloparsecs ⓘ |
| distanceFromEarth |
about 2.7 million light-years
ⓘ
about 830 kiloparsecs ⓘ |
| environment | Local Group outer regions ⓘ |
| galaxyType | dSph ⓘ |
| gasContent | gas-poor ⓘ |
| hasGlobularClusters | none known ⓘ |
| hasNucleus | false ⓘ |
| heliocentricRadialVelocity | about −354 km/s ⓘ |
| hostGalaxy | Andromeda Galaxy NERFINISHED ⓘ |
| isBarred | false ⓘ |
| isDiskGalaxy | false ⓘ |
| isFaint | true ⓘ |
| isGravitationallyBoundTo | Andromeda Galaxy NERFINISHED ⓘ |
| isIrregular | false ⓘ |
| isNearbyTo | Milky Way Galaxy NERFINISHED ⓘ |
| isNonStarforming | true ⓘ |
| isPartOf | Andromeda satellite system NERFINISHED ⓘ |
| isResolvedIntoStars | true ⓘ |
| massToLightRatio | high ⓘ |
| memberOf | Local Group NERFINISHED ⓘ |
| metallicity | low ⓘ |
| morphologicalType | dSph ⓘ |
| rightAscension | about 23h 28m ⓘ |
| starFormationActivity | quiescent ⓘ |
| stellarPopulation | old ⓘ |
| surfaceBrightness | low ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pegasus dwarf spheroidal galaxy