And XVIII
E546622
And XVIII is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
All labels observed (1)
| Label | Occurrences |
|---|---|
| And XVIII canonical | 1 |
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf | dwarf spheroidal galaxy ⓘ |
| absoluteMagnitudeV | about −9.7 ⓘ |
| belongsTo | satellite system of the Andromeda Galaxy ⓘ |
| constellation | Andromeda NERFINISHED ⓘ |
| darkMatterContent | dark-matter-dominated galaxy ⓘ |
| declination | +45° (approximate) ⓘ |
| discoveredBy |
A. W. McConnachie
NERFINISHED
ⓘ
S. C. Chapman NERFINISHED ⓘ collaborators ⓘ |
| discoveryMethod | resolved stellar photometry ⓘ |
| discoveryYear | 2008 ⓘ |
| distanceFromAndromedaGalaxy | approximately 600 kiloparsecs ⓘ |
| distanceFromEarth |
approximately 1.3 million light-years
ⓘ
approximately 400 kiloparsecs ⓘ |
| environment | outer halo of the Andromeda Galaxy ⓘ |
| galaxyType | dwarf spheroidal galaxy ⓘ |
| gasContent | gas-poor ⓘ |
| hostGalaxy | Andromeda Galaxy NERFINISHED ⓘ |
| luminosity | about 4×10^5 times the luminosity of the Sun ⓘ |
| memberOf | Local Group NERFINISHED ⓘ |
| metallicity | low metallicity ⓘ |
| morphology | spheroidal ⓘ |
| observedInSurvey | Pan-Andromeda Archaeological Survey NERFINISHED ⓘ |
| otherName |
And 18
ⓘ
Andromeda XVIII NERFINISHED ⓘ |
| radialVelocity | approximately −332 km/s ⓘ |
| rightAscension | 00h 02m (approximate) ⓘ |
| satelliteOf | Andromeda Galaxy NERFINISHED ⓘ |
| starFormationActivity | no current star formation ⓘ |
| stellarPopulation | old stars ⓘ |
| surfaceBrightness | very low surface brightness ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.