Ursa Minor Dwarf Galaxy

E125261
dwarf spheroidal galaxy galaxy satellite galaxy

The Ursa Minor Dwarf Galaxy is a faint, spheroidal satellite galaxy of the Milky Way located in the constellation Ursa Minor and composed primarily of old, metal-poor stars.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (2)

Label Occurrences
Ursa Minor Dwarf Galaxy canonical 3
Dwarf Galaxy in Ursa Minor 1

Statements (49)

Predicate Object
instanceOf dwarf spheroidal galaxy ⓘ
galaxy ⓘ
satellite galaxy ⓘ
absoluteMagnitude_V −8.8 ⓘ
alternativeName Ursa Minor Dwarf Galaxy ⓘ
surface form: Dwarf Galaxy in Ursa Minor

PGC 54074 ⓘ
UGC 9749 ⓘ
Ursa Minor dSph ⓘ
angularSize_arcmin ~30 × 15 ⓘ
apparentMagnitude_V ~11.9 ⓘ
belongsTo Milky Way ⓘ
surface form: Milky Way satellite system
contains RR Lyrae stars ⓘ
horizontal branch stars ⓘ
red giant branch stars ⓘ
variable stars ⓘ
coordinateSystem equatorial ⓘ
darkMatterDominated true ⓘ
declination +67° 13′ ⓘ
discoveredBy A. G. Wilson ⓘ
discoveryMethod photographic plates ⓘ
discoveryYear 1955 ⓘ
distanceFromEarth_kpc ~66 ⓘ
distanceFromEarth_ly ~200000 ⓘ
dominantStellarPopulationAge_Gyr >10 ⓘ
environment Milky Way stellar halo ⓘ
surface form: Milky Way halo
galaxyType dwarf spheroidal ⓘ
gasContent gas-poor ⓘ
gasPhaseStarFormation absent ⓘ
halfLightRadius_pc ~300 ⓘ
heliocentricRadialVelocity_kmPerSec ~−247 ⓘ
locatedInConstellation Ursa Minor ⓘ
luminosity_V_solar ~2×10^5 ⓘ
massToLightRatio high ⓘ
memberOf Local Group ⓘ
metallicity metal-poor ⓘ
morphologicalType dSph ⓘ
notableProperty one of the faint classical Milky Way dwarf spheroidals ⓘ
observedIn optical wavelengths ⓘ
orbitalRelation orbits Milky Way ⓘ
radialVelocity_kmPerSec ~−247 ⓘ
rightAscension 15h 09m ⓘ
satelliteOf Milky Way ⓘ
shape spheroidal ⓘ
skyLocation northern celestial hemisphere ⓘ
starFormationActivity quiescent ⓘ
stellarKinematics pressure-supported ⓘ
stellarPopulation old ⓘ
stellarPopulationType Population II ⓘ
surfaceBrightness low ⓘ

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Local Group → contains → Ursa Minor Dwarf Galaxy ⓘ
Milky Way subgroup → hasMember → Ursa Minor Dwarf Galaxy ⓘ
LG → containsGalaxy → Ursa Minor Dwarf Galaxy ⓘ
Ursa Minor Dwarf Galaxy → alternativeName → Ursa Minor Dwarf Galaxy ⓘ
this entity surface form: Dwarf Galaxy in Ursa Minor