Leo I
E491704
Leo I is a faint dwarf spheroidal galaxy and satellite of the Milky Way located in the constellation Leo.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | dwarf spheroidal galaxy ⓘ |
| absoluteMagnitudeV | ~−12 ⓘ |
| alternativeName |
Leo Dwarf Spheroidal
NERFINISHED
ⓘ
Leo I Dwarf Galaxy NERFINISHED ⓘ |
| angularSize_arcmin | ~12×10 ⓘ |
| apparentMagnitudeV | ~11.2 ⓘ |
| belongsTo | Milky Way halo NERFINISHED ⓘ |
| catalogDesignation |
DDO 74
NERFINISHED
ⓘ
Leo Dwarf NERFINISHED ⓘ PGC 34176 NERFINISHED ⓘ UGC 5470 NERFINISHED ⓘ |
| contains |
horizontal branch stars
ⓘ
old red giant branch stars ⓘ |
| coordinateSystem | equatorial ⓘ |
| darkMatterDominated | true ⓘ |
| declination | +12° 18′ ⓘ |
| discoveredBy | Albert George Wilson NERFINISHED ⓘ |
| discoveryMethod | photographic survey ⓘ |
| discoverySite | Palomar Observatory NERFINISHED ⓘ |
| discoveryYear | 1950 ⓘ |
| distanceFromEarth_kpc | ~250 ⓘ |
| distanceFromEarth_ly | ~820000 ⓘ |
| galacticEnvironment | outer halo of the Milky Way ⓘ |
| galacticLatitude | high ⓘ |
| galaxyType | dwarf spheroidal ⓘ |
| gasContent | very low ⓘ |
| hasNucleus | no distinct nucleus ⓘ |
| interactionWithMilkyWay | tidal effects likely ⓘ |
| lastMajorStarFormationEpoch | ~1–2 billion years ago ⓘ |
| locatedInConstellation | Leo NERFINISHED ⓘ |
| mass_solarMasses | ~2×10^7 ⓘ |
| memberOf | Local Group NERFINISHED ⓘ |
| metallicity | low ⓘ |
| namedAfter | constellation Leo ⓘ |
| observableFromHemisphere | Northern Hemisphere NERFINISHED ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ |
| radialVelocity_kmPerSec | ~285 ⓘ |
| redshift_z | ~0.00095 ⓘ |
| rightAscension | 10h 08m ⓘ |
| satelliteOf | Milky Way NERFINISHED ⓘ |
| shape | spheroidal ⓘ |
| starFormationActivity | quiescent ⓘ |
| stellarPopulation | old stars dominant ⓘ |
| surfaceBrightness | very low ⓘ |
| visibility | requires telescope ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.