Aquarius Dwarf Galaxy

E133908

The Aquarius Dwarf Galaxy is a faint, small dwarf irregular galaxy on the outskirts of the Local Group, notable for its low luminosity and sparse stellar population.

All labels observed (2)

Label Occurrences
Aquarius Dwarf Galaxy canonical 2
Aquarius Dwarf Irregular Galaxy 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf Local Group member
dwarf irregular galaxy
galaxy
containsSignificantHI true
hasAbsoluteMagnitudeV about −10.6
hasAlternativeName Aquarius Dwarf Galaxy
surface form: Aquarius Dwarf Irregular Galaxy

DDO 210
PGC 65367
UGC 12613
hasAngularSize about a few arcminutes
hasApparentMagnitude about 14 (integrated, approximate)
hasDarkMatterDominance high
hasDeclination −12° (approx)
hasDistanceFromEarth about 1.0 million light-years
about 300 kiloparsecs
hasDominantStellarPopulation metal-poor red giants
hasDominantStellarPopulationAge old
hasEnvironment low-density region of Local Group outskirts
hasGalaxyMorphologicalType dIrr
hasGasToStellarMassRatio high
hasIrregularMorphology true
hasLowLuminosity true
hasLowMetallicity true
hasNeutralHydrogenMass on the order of 10^7 solar masses
hasRadialVelocityRelativeToLocalGroup small
hasRightAscension 20h 46m (approx)
hasSparseStellarPopulation true
hasStarFormationActivity very low
hasStarFormationHistory extended but declining
hasStellarMass on the order of 10^6 solar masses
hasSurfaceBrightness very low
hasYoungerStellarPopulation present but sparse
isDynamicallyIsolated relatively
isGasRich true
isGravitationallyBoundTo Local Group
isLocatedOnOutskirtsOf Local Group
isNearbyTo Milky Way
isObservedIn optical wavelengths
radio wavelengths
isResolvedIntoIndividualStars true
isUsedToStudy chemical evolution in dwarf galaxies
dark matter in low-luminosity systems
star formation in low-mass galaxies
locatedIn constellation Aquarius
memberOf Local Group
orbits Local Group barycenter
wasCatalogedIn David Dunlap Observatory (DDO) catalog
wasDiscoveredIn 20th century

How these facts were elicited

Referenced by (3)

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

Local Group contains Aquarius Dwarf Galaxy
LG containsGalaxy Aquarius Dwarf Galaxy
Aquarius Dwarf Galaxy hasAlternativeName Aquarius Dwarf Galaxy
this entity surface form: Aquarius Dwarf Irregular Galaxy