Leo I Dwarf Galaxy

E114373

Leo I Dwarf Galaxy is a faint, spheroidal satellite galaxy of the Milky Way located in the constellation Leo and belonging to the Local Group of galaxies.

All labels observed (4)

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf Local Group member ⓘ
astronomical object ⓘ
dwarf spheroidal galaxy ⓘ
satellite galaxy ⓘ
absoluteMagnitude_V -11.9 ⓘ
alternateName DDO 74 ⓘ
Leo I ⓘ
PGC 29488 ⓘ
UGC 5470 ⓘ
angularSize_arcmin 12.0 ⓘ
apparentMagnitude_V 11.2 ⓘ
containsStellarPopulation intermediate-age stars ⓘ
old stars ⓘ
darkMatterDominated true ⓘ
declination_J2000 +12°18′30″ ⓘ
discoveredAt Palomar Observatory ⓘ
discoveredBy Albert George Wilson ⓘ
discoveryYear 1950 ⓘ
distanceFromEarth_kpc 250 ⓘ
distanceFromEarth_ly 820000 ⓘ
dominantStellarPopulationAge_Gyr 1-10 ⓘ
dynamicalMass_solarMasses 2e7 ⓘ
galacticLatitude_deg 49.1 ⓘ
galacticLongitude_deg 226.0 ⓘ
gasContent_HI very low ⓘ
hasGlobularClusters false ⓘ
hasLowSurfaceBrightness true ⓘ
heliocentricRadialVelocity_km_per_s 282 ⓘ
isGasPoor true ⓘ
isOneOfMostDistantClassicalMWSatellites true ⓘ
isResolvedIntoIndividualStars true ⓘ
isTidalInteractionSuspected true ⓘ
lastMajorStarFormationEpoch_GyrAgo 1 ⓘ
locatedInConstellation Leo ⓘ
massToLightRatio_solarUnits 5-10 ⓘ
memberOf Local Group ⓘ
metallicity_Fe_H -1.4 ⓘ
morphologicalType dSph ⓘ
observedWith Hubble Space Telescope ⓘ
Very Large Telescope ⓘ
orbitsWithinMilkyWayHalo true ⓘ
radialVelocity_km_per_s 282 ⓘ
rightAscension_J2000 10h08m27s ⓘ
satelliteOf Milky Way ⓘ
stellarMass_solarMasses 5e6 ⓘ
surfaceBrightness_V_mag_per_arcsec2 ~22.4 ⓘ
usedToStudy Milky Way mass distribution ⓘ
dark matter in dwarf galaxies ⓘ
stellar populations in low-mass galaxies ⓘ

How these facts were elicited

Referenced by (10)

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

Local Group → contains → Leo I Dwarf Galaxy ⓘ
Milky Way subgroup → hasMember → Leo I Dwarf Galaxy ⓘ
LG → containsGalaxy → Leo I Dwarf Galaxy ⓘ
Leo I → alternativeName → Leo I Dwarf Galaxy ⓘ
UGC 5470 → alsoKnownAs → Leo I Dwarf Galaxy ⓘ
UGC 5470 → belongsTo → Leo I Group of Milky Way satellites ⓘ
linked to: Leo I Dwarf Galaxy
DDO 74 → alsoKnownAs → Leo I Dwarf Galaxy ⓘ
DDO 74 → hasAlternativeName → Leo I Dwarf Spheroidal Galaxy ⓘ
linked to: Leo I Dwarf Galaxy
Albert George Wilson → discovered → Leo I Dwarf Galaxy ⓘ
Local Group → contains → Leo I dwarf galaxy ⓘ
subject linked to: Local Group galaxies
linked to: Leo I Dwarf Galaxy