Coma Berenices Dwarf Galaxy
E496365
The Coma Berenices Dwarf Galaxy is a faint, ultra-low-luminosity dwarf spheroidal satellite galaxy located in the constellation Coma Berenices and gravitationally bound to the Milky Way.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
dwarf spheroidal galaxy
ⓘ
ultra-faint dwarf galaxy ⓘ |
| absoluteMagnitude_V_approx | -4.1 ⓘ |
| ageOfDominantPopulation_approx | >10 billion years ⓘ |
| apparentMagnitude_V_approx | 18 ⓘ |
| belongsTo | Milky Way halo NERFINISHED ⓘ |
| constellation | Coma Berenices NERFINISHED ⓘ |
| contains |
blue horizontal branch stars
ⓘ
red giant branch stars ⓘ |
| containsGas | very little or no detectable gas ⓘ |
| coordinateSystem | equatorial ⓘ |
| darkMatterDominated | true ⓘ |
| darkMatterToStellarMassRatio | very high ⓘ |
| declination_approx | +23° 54′ ⓘ |
| discoveredBy |
Beth Willman
NERFINISHED
ⓘ
colleagues using Sloan Digital Sky Survey data ⓘ |
| discoveryMethod | analysis of Sloan Digital Sky Survey data ⓘ |
| discoveryYear | 2006 ⓘ |
| distanceFromEarth_approx | 44000 light-years ⓘ |
| distanceFromSun_approx | 44 kiloparsecs ⓘ |
| galaxyType | dSph ⓘ |
| halfLightRadius_angular_approx | 5.9 arcminutes ⓘ |
| halfLightRadius_approx | 70 parsecs ⓘ |
| hasAlternativeName |
ComBer dSph
NERFINISHED
ⓘ
Coma Berenices dSph NERFINISHED ⓘ |
| hostGalaxy | Milky Way NERFINISHED ⓘ |
| isAmong | faintest known galaxies ⓘ |
| isClassifiedAs | ultra-low-luminosity dwarf spheroidal galaxy ⓘ |
| isGravitationallyBoundTo | Milky Way NERFINISHED ⓘ |
| isMemberOf | Local Group NERFINISHED ⓘ |
| isNearbyTo | Milky Way NERFINISHED ⓘ |
| isOneOf | ultra-faint Milky Way satellites discovered in the 21st century ⓘ |
| isPartOf | Milky Way satellite system ⓘ |
| isResolvedIntoStars | true ⓘ |
| isSatelliteOf | Milky Way NERFINISHED ⓘ |
| isUsedAs | probe of dark matter in low-luminosity systems ⓘ |
| luminosity_approx | 3700 times the luminosity of the Sun ⓘ |
| metallicity_FeH_approx | -2.0 ⓘ |
| observedIn |
near-infrared wavelengths
ⓘ
optical wavelengths ⓘ |
| radialVelocity_approx | 98 km/s (heliocentric) ⓘ |
| redshift_approx | 0.0003 ⓘ |
| rightAscension_approx | 12h 26m ⓘ |
| starFormationActivity | no current star formation ⓘ |
| stellarMass_approx | a few thousand solar masses ⓘ |
| stellarPopulation | old, metal-poor stars ⓘ |
| surfaceBrightness | extremely low ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.