Cetus dSph

E563945
dwarf spheroidal galaxy

Cetus dSph is a faint dwarf spheroidal galaxy in the constellation Cetus that is a satellite of the Milky Way and notable for its old, metal-poor stellar population.

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Statements (44)

Predicate Object
instanceOf dwarf spheroidal galaxy ⓘ
discoveredBy Alan Whiting NERFINISHED ⓘ
George Hau NERFINISHED ⓘ
Mike Irwin NERFINISHED ⓘ
discoveryYear 1999 ⓘ
hasAbsoluteMagnitudeV ~−11.3 ⓘ
hasAlternativeName Cetus dSph galaxy NERFINISHED ⓘ
Cetus dwarf ⓘ
Cetus dwarf spheroidal galaxy NERFINISHED ⓘ
hasApparentMagnitudeV ~14.5 ⓘ
hasCoordinateEpoch J2000 ⓘ
hasDarkMatterDominance high ⓘ
hasDeclination −11° ⓘ
hasDistanceFromEarth_ly ~2600000 ⓘ
hasDistanceFromMilkyWayCenter_ly ~2600000 ⓘ
hasDominantStellarPopulationAge_Gyr >10 ⓘ
hasEnvironment isolated Milky Way satellite ⓘ
hasGalaxyColor red ⓘ
hasGalaxyMorphologicalType dSph ⓘ
hasGalaxyType early-type dwarf ⓘ
hasGasContent gas-poor ⓘ
hasGlobularClusters none known ⓘ
hasHalfLightRadius_pc ~300 ⓘ
hasHeliocentricRadialVelocity_km_s ~−87 ⓘ
hasKinematicProperty pressure-supported ⓘ
hasLuminosityClass dwarf ⓘ
hasMetallicity_Fe_H ~−1.9 ⓘ
hasNeutralHydrogenContent very low ⓘ
hasObservationWavelength near-infrared ⓘ
optical ⓘ
hasRightAscension 00h 26m ⓘ
hasShape spheroidal ⓘ
hasStarFormationActivity quiescent ⓘ
hasStarFormationHistory early burst followed by long quiescence ⓘ
hasStellarPopulation metal-poor ⓘ
old ⓘ
hasStellarPopulationGradient present ⓘ
hasSurfaceBrightness low ⓘ
locatedInConstellation Cetus NERFINISHED ⓘ
memberOf Local Group NERFINISHED ⓘ
satelliteOf Milky Way NERFINISHED ⓘ
studiedFor ancient stellar populations ⓘ
dark matter content in dwarf spheroidals ⓘ
dwarf galaxy evolution ⓘ

Referenced by (1)

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

Cetus Dwarf Galaxy → alternativeName → Cetus dSph ⓘ