M75

E505235

M75 is a densely concentrated globular star cluster in the constellation Sagittarius, cataloged by Charles Messier.

All labels observed (2)

Label Occurrences
M75 canonical 2
M 75 1

How this entity was disambiguated

Statements (41)

Predicate Object
instanceOf globular star cluster ⓘ
absoluteMagnitudeV about −8.5 ⓘ
addedToMessierCatalogBy Charles Messier ⓘ
age ~13 billion years ⓘ
alsoKnownAs GCl 118 ⓘ
Messier 75 ⓘ
NGC 6864 ⓘ
angularSize 6.8 arcminutes ⓘ
apparentMagnitudeRange about 8.5–9.0 ⓘ
apparentMagnitudeV 8.6 ⓘ
catalogDesignation GCl 118 ⓘ
M 75 ⓘ
linked to: M75

Messier 75 ⓘ
NGC 6864 ⓘ
catalogedBy Charles Messier ⓘ
colorIndexBminusV 0.76 ⓘ
concentrationClass I ⓘ
coreConcentration very high ⓘ
declination −21° 55′ 17″ ⓘ
discoveredBy Pierre Méchain ⓘ
discoveryYear 1780 ⓘ
distanceFromEarth ~20.7 kiloparsecs ⓘ
~67,500 light-years ⓘ
distanceFromGalacticCenter ~14.7 kiloparsecs ⓘ
galacticLatitude −25.75° ⓘ
galacticLongitude 8.55° ⓘ
hasCoreRadius ~0.5 arcminutes ⓘ
hasHalfLightRadius ~0.9 arcminutes ⓘ
hasMorphologicalType globular cluster ⓘ
hostGalaxy Milky Way ⓘ
locatedIn Milky Way halo ⓘ
constellation Sagittarius ⓘ
locatedInConstellation Sagittarius ⓘ
metallicity low ⓘ
metallicityFeH −1.29 ⓘ
notes one of the most centrally concentrated globular clusters known ⓘ
radialVelocity −186 km/s ⓘ
rightAscension 20h 06m 05.1s ⓘ
ShapleySawyerConcentrationClass I ⓘ
stellarPopulation Population II ⓘ
visibility best seen with medium to large amateur telescopes ⓘ

How these facts were elicited

Referenced by (3)

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

Messier 75 → otherName → M75 ⓘ
M75 → catalogDesignation → M 75 ⓘ
linked to: M75
NGC 6864 → alsoKnownAs → M75 ⓘ