Hercules Dwarf Galaxy
E493640
Hercules Dwarf Galaxy is a faint, small satellite galaxy of the Milky Way located in the constellation Hercules and classified as a dwarf spheroidal galaxy.
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf | dwarf spheroidal galaxy ⓘ |
| absoluteMagnitudeV | approximately −6.6 ⓘ |
| alternativeName |
Hercules dSph
NERFINISHED
ⓘ
Hercules dwarf spheroidal galaxy NERFINISHED ⓘ |
| angularSize | approximately 13 arcminutes ⓘ |
| apparentMagnitudeV | approximately 14.7 ⓘ |
| belongsTo | Milky Way halo NERFINISHED ⓘ |
| contains |
RR Lyrae stars
ⓘ
old, metal-poor stars ⓘ variable stars ⓘ |
| darkMatterContent | dark-matter-dominated ⓘ |
| declination | +12° 47′ ⓘ |
| discoveredBy | Sloan Digital Sky Survey NERFINISHED ⓘ |
| discoveryMethod | Sloan Digital Sky Survey imaging NERFINISHED ⓘ |
| discoveryYear | 2006 ⓘ |
| distanceFromEarth |
approximately 140 kiloparsecs
ⓘ
approximately 460,000 light-years ⓘ |
| galaxyType | dwarf spheroidal ⓘ |
| gasContent | very little or no gas ⓘ |
| hostGalaxy | Milky Way NERFINISHED ⓘ |
| locatedInConstellation | Hercules NERFINISHED ⓘ |
| luminosity | very low ⓘ |
| memberOf | Local Group NERFINISHED ⓘ |
| metallicity | low ⓘ |
| morphologicalType | dSph ⓘ |
| namedAfter | constellation Hercules NERFINISHED ⓘ |
| observedIn |
near-infrared wavelengths
ⓘ
optical wavelengths ⓘ |
| radialVelocity | receding from the Sun ⓘ |
| rightAscension | approximately 16h 31m ⓘ |
| satelliteOf | Milky Way NERFINISHED ⓘ |
| shape | elongated ⓘ |
| starFormationActivity | no current star formation ⓘ |
| stellarPopulation | old ⓘ |
| surfaceBrightness | very low ⓘ |
| tidalInteraction | affected by Milky Way tidal forces ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.