Cetus Dwarf Galaxy
E134849
The Cetus Dwarf Galaxy is a faint, spheroidal dwarf galaxy located in the constellation Cetus and is one of the small satellite members of our cosmic neighborhood.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cetus Dwarf Galaxy canonical | 1 |
| Cetus dwarf spheroidal galaxy | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Local Group member
ⓘ
dwarf galaxy ⓘ satellite galaxy of the Milky Way ⓘ spheroidal galaxy ⓘ |
| absoluteMagnitudeV | about −11.3 ⓘ |
| alternativeName |
Cetus dSph
ⓘ
Cetus Dwarf Galaxy ⓘ
surface form:
Cetus dwarf spheroidal galaxy
|
| apparentMagnitudeV | ~14.5 ⓘ |
| belongsTo |
Cetus
ⓘ
surface form:
Cetus constellation region
|
| color | overall red ⓘ |
| constellation | Cetus ⓘ |
| contains |
horizontal branch stars
ⓘ
old red giant stars ⓘ variable stars ⓘ |
| darkMatterContent | dark-matter-dominated ⓘ |
| declination | −11° 02′ ⓘ |
| discoveredBy |
Alan Whiting
ⓘ
George K. T. Hau ⓘ
surface form:
George Hau
Mike Irwin ⓘ |
| discoveryYear | 1999 ⓘ |
| distanceFromEarth |
about 240 kiloparsecs
ⓘ
about 780000 light-years ⓘ |
| environment | Local Group field ⓘ |
| galaxyType | dwarf spheroidal ⓘ |
| gasContent | gas-poor ⓘ |
| locatedIn |
Local Group dwarf galaxies
ⓘ
surface form:
Local Group outskirts
|
| luminosityClass | low-luminosity dwarf ⓘ |
| memberOf | Local Group ⓘ |
| metallicity | low ⓘ |
| morphologicalType | dSph ⓘ |
| observableFrom |
Southern Hemisphere
ⓘ
low northern latitudes ⓘ |
| observedWith |
Hubble Space Telescope
ⓘ
large ground-based telescopes ⓘ |
| radialVelocity | about −87 km/s ⓘ |
| researchUse |
study of Local Group structure
ⓘ
study of dwarf galaxy evolution ⓘ |
| rightAscension | 00h 26m ⓘ |
| satelliteOf | Milky Way ⓘ |
| shape | spheroidal ⓘ |
| starFormationActivity | quiescent ⓘ |
| starFormationHistory | predominantly ancient episodes ⓘ |
| stellarMass | on the order of 10^6 solar masses ⓘ |
| stellarPopulation | old ⓘ |
| surfaceBrightness | very low ⓘ |
| visibility | faint ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cetus dwarf spheroidal galaxy