DDO 53

E450575

DDO 53 is a faint dwarf irregular galaxy that is a member of the nearby M81 Group in the constellation Ursa Major.

All labels observed (1)

Label Occurrences
DDO 53 canonical 1

How this entity was disambiguated

Statements (42)

Predicate Object
instanceOf dwarf irregular galaxy ⓘ
galaxy ⓘ
apparentMagnitudeV 14.7 ⓘ
barred no ⓘ
belongsTo nearby M81 Group of galaxies ⓘ
catalog DDO ⓘ
PGC ⓘ
UGC ⓘ
constellation Ursa Major ⓘ
declination +66° 10′ 54″ ⓘ
discoveredBy Sidney van den Bergh ⓘ
discoveryProgram David Dunlap Observatory survey ⓘ
distanceFromEarth 3.6 megaparsecs ⓘ
about 11.7 million light-years ⓘ
environment group galaxy ⓘ
galaxyGroup M81 Group ⓘ
gasContent gas-rich ⓘ
hasDarkMatterDominance yes ⓘ
hasHIIRegions yes ⓘ
hasIrregularMorphology yes ⓘ
hasStarFormation yes ⓘ
HIContent extended neutral hydrogen envelope ⓘ
isFaint yes ⓘ
isNearbyGalaxy yes ⓘ
isResolvedIntoStars yes ⓘ
locatedIn Ursa Major ⓘ
memberOf M81 Group ⓘ
metallicity low-metallicity ⓘ
morphologicalType Im ⓘ
namedAfter David Dunlap Observatory catalog ⓘ
observedIn optical wavelengths ⓘ
radio wavelengths ⓘ
otherDesignation PGC 21396 ⓘ
UGC 4459 ⓘ
VII Zw 189 ⓘ
partOf Local Volume ⓘ
radialVelocity 142 km/s ⓘ
redshift 0.000474 ⓘ
rightAscension 08h 34m 07s ⓘ
spiralStructure none ⓘ
stellarPopulation dominated by young and intermediate-age stars ⓘ
surfaceBrightness low ⓘ

How these facts were elicited

Referenced by (1)

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

M81 Group → containsGalaxy → DDO 53 ⓘ