WLM Galaxy
E459117
WLM Galaxy is a faint, irregular dwarf galaxy in the Local Group, located in the constellation Cetus and notable for its isolation and relatively simple structure.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Local Group member
ⓘ
dwarf irregular galaxy ⓘ galaxy ⓘ |
| absoluteMagnitudeV | about −14.4 ⓘ |
| alsoKnownAs |
DDO 221
NERFINISHED
ⓘ
UGC 2259 NERFINISHED ⓘ Wolf–Lundmark–Melotte NERFINISHED ⓘ |
| angularSize | about 11.5 × 4.0 arcminutes ⓘ |
| apparentMagnitudeV | about 10.9 ⓘ |
| cataloguedBy |
Knut Lundmark
NERFINISHED
ⓘ
Philibert Jacques Melotte NERFINISHED ⓘ |
| constellation | Cetus NERFINISHED ⓘ |
| contains |
Cepheid variable stars
ⓘ
H II regions ⓘ old stellar populations ⓘ red giant branch stars ⓘ young stellar populations ⓘ |
| coordinateSystem | equatorial ⓘ |
| darkMatterDominated | true ⓘ |
| declination | about −15° 27′ ⓘ |
| diameter | about 8,000 light-years ⓘ |
| discoveredBy | Max Wolf NERFINISHED ⓘ |
| discoveryYear | 1909 ⓘ |
| distanceFromEarth |
about 0.9 megaparsecs
ⓘ
about 3 million light-years ⓘ |
| dustContent | low ⓘ |
| environment | isolated within the Local Group ⓘ |
| galaxyType |
dwarf
ⓘ
irregular ⓘ |
| gasContent | rich in neutral hydrogen ⓘ |
| HIDesignation | HI 0003-152 NERFINISHED ⓘ |
| interactionStatus | no strong tidal interactions known ⓘ |
| locationRelativeToMilkyWay | in the outskirts of the Local Group ⓘ |
| mass | on the order of 10^8 solar masses ⓘ |
| memberOf | Local Group NERFINISHED ⓘ |
| metallicity | low ⓘ |
| morphologicalType | IB(s)m ⓘ |
| namedAfter |
Knut Lundmark
NERFINISHED
ⓘ
Max Wolf NERFINISHED ⓘ Philibert Jacques Melotte NERFINISHED ⓘ |
| radialVelocity | about −122 km/s ⓘ |
| rightAscension | about 00h 01m ⓘ |
| satelliteOf | none known ⓘ |
| starFormationActivity | ongoing ⓘ |
| stellarMass | on the order of 10^7–10^8 solar masses ⓘ |
| structure | relatively simple ⓘ |
| supernovaRate | very low ⓘ |
| usedAs | laboratory for studying low-metallicity star formation ⓘ |
| usedFor | distance scale calibration ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.