Draco dSph
E535705
Draco dSph is a faint, dark-matter-dominated dwarf spheroidal galaxy that orbits the Milky Way in the constellation Draco.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
dark-matter-dominated galaxy
ⓘ
dwarf spheroidal galaxy ⓘ |
| absoluteMagnitude_V | -8.8 ⓘ |
| alternateName |
Draco Dwarf Galaxy
NERFINISHED
ⓘ
Draco Dwarf Spheroidal Galaxy NERFINISHED ⓘ PGC 61031 NERFINISHED ⓘ UGC 10822 NERFINISHED ⓘ |
| angularSize_arcmin | 35×22 ⓘ |
| apparentMagnitude_V | 10.9 ⓘ |
| catalog |
PGC
NERFINISHED
ⓘ
UGC NERFINISHED ⓘ |
| contains | RR Lyrae variable stars NERFINISHED ⓘ |
| darkMatterDominated | true ⓘ |
| declination_J2000 | +57°54′55″ ⓘ |
| discoveredBy | Albert George Wilson NERFINISHED ⓘ |
| discoveredUsing | Palomar Observatory Sky Survey NERFINISHED ⓘ |
| discoveryYear | 1954 ⓘ |
| distanceFromEarth_kpc | 76 ⓘ |
| distanceFromEarth_ly | 260000 ⓘ |
| dominantStellarPopulationAge_Gyr | >10 ⓘ |
| environment | Milky Way halo NERFINISHED ⓘ |
| galaxyType | dSph ⓘ |
| gasContent | very low ⓘ |
| hasGlobularClusters | false ⓘ |
| heliocentricRadialVelocity_kmPerSec | -293 ⓘ |
| locatedInConstellation | Draco NERFINISHED ⓘ |
| massToLightRatio_solarUnits | ~440 ⓘ |
| memberOf | Local Group NERFINISHED ⓘ |
| metallicity_FeH | -1.9 ⓘ |
| morphologicalType | dSph ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
infrared wavelengths ⓘ optical wavelengths ⓘ |
| orbits | Milky Way NERFINISHED ⓘ |
| radialVelocity_kmPerSec | -292 ⓘ |
| rightAscension_J2000 | 17h20m12s ⓘ |
| shape | elliptical ⓘ |
| skyLocation | northern celestial hemisphere ⓘ |
| starFormationActivity | quiescent ⓘ |
| stellarMass_solarMasses | 2.9e5 ⓘ |
| stellarPopulation | old, metal-poor stars ⓘ |
| surfaceBrightness | very low ⓘ |
| tidalInteractionWith | Milky Way NERFINISHED ⓘ |
| totalMass_solarMasses | 2.1e7 ⓘ |
| usedAs |
laboratory for dark matter studies
ⓘ
testbed for galaxy formation models ⓘ |
| visibility | best observed from northern latitudes ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.