Ursa Minor dSph

E539931

Ursa Minor dSph is a faint dwarf spheroidal satellite galaxy of the Milky Way located in the constellation Ursa Minor.

All labels observed (1)

Label Occurrences
Ursa Minor dSph canonical 1

How this entity was disambiguated

Statements (45)

Predicate Object
instanceOf dwarf spheroidal galaxy ⓘ
absoluteMagnitudeV about −8.8 ⓘ
alternativeName PGC 54074 ⓘ
UGC 9749 ⓘ
Ursa Minor Dwarf ⓘ
apparentMagnitudeV about 10.9 ⓘ
belongsTo Milky Way satellite system ⓘ
contains RR Lyrae variables ⓘ
horizontal branch stars ⓘ
red giant branch stars ⓘ
coordinateSystem equatorial ⓘ
darkMatterContent dark-matter-dominated ⓘ
declination +67° 13′ ⓘ
discoveredBy A. G. Wilson ⓘ
discoveredUsing Palomar Observatory Sky Survey ⓘ
discoveryYear 1954 ⓘ
distanceFromEarth ~215,000 light-years ⓘ
~66 kpc ⓘ
dominantStellarPopulationAge >10 Gyr ⓘ
environment Galactic halo ⓘ
galaxyType dSph ⓘ
gasContent gas-poor ⓘ
gasPhaseStarFormation absent ⓘ
halfLightRadius ~300 pc ⓘ
hasGlobularClusters false ⓘ
hasNucleus false ⓘ
isFaint true ⓘ
isResolvedIntoStars true ⓘ
locatedIn Ursa Minor constellation region of the sky ⓘ
locatedInConstellation Ursa Minor ⓘ
memberOf Local Group ⓘ
metallicity very metal-poor ⓘ
morphologicalType dE3 ⓘ
observationalChallenge low surface brightness ⓘ
observedIn infrared wavelengths ⓘ
optical wavelengths ⓘ
orbitalRelationToMilkyWay bound satellite ⓘ
radialVelocity about −247 km/s ⓘ
rightAscension 15h 09m ⓘ
satelliteOf Milky Way ⓘ
shape elongated ⓘ
starFormationActivity quiescent ⓘ
stellarKinematics pressure-supported ⓘ
stellarPopulation old ⓘ
surfaceBrightness very low ⓘ

How these facts were elicited

Referenced by (1)

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

Ursa Minor Dwarf Galaxy → alternativeName → Ursa Minor dSph ⓘ