NGC 6715
E525113
NGC 6715 is a massive globular star cluster located in the constellation Sagittarius, notable for being one of the first globular clusters discovered beyond the Milky Way, in the Sagittarius Dwarf Spheroidal Galaxy.
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf | globular star cluster ⓘ |
| absoluteMagnitudeV | about −10.0 ⓘ |
| age | about 12 billion years ⓘ |
| alsoKnownAs |
M54
NERFINISHED
ⓘ
Messier 54 NERFINISHED ⓘ |
| angularSize | 9.1 arcminutes ⓘ |
| apparentMagnitudeV | 7.6 ⓘ |
| belongsTo |
Milky Way halo system
NERFINISHED
ⓘ
Sagittarius Dwarf Spheroidal Galaxy globular cluster system NERFINISHED ⓘ |
| catalogCode | NGC 6715 NERFINISHED ⓘ |
| cataloguedIn |
Messier catalogue
NERFINISHED
ⓘ
New General Catalogue NERFINISHED ⓘ |
| concentrationClass | V ⓘ |
| coreCollapsed | false ⓘ |
| declination | −30° 28′ 42″ ⓘ |
| discoveredAs | nebula without stars (in early observations) ⓘ |
| discoveredBy | Charles Messier NERFINISHED ⓘ |
| discoveryDate | 1778 ⓘ |
| distanceFromEarth |
about 26.5 kiloparsecs
ⓘ
about 87,000 light-years ⓘ |
| distanceFromGalacticCenter | about 18.9 kiloparsecs ⓘ |
| epoch | J2000 ⓘ |
| galacticLatitude | −14.1 degrees ⓘ |
| galacticLongitude | 5.6 degrees ⓘ |
| galacticPopulation | Population II stars NERFINISHED ⓘ |
| halfLightRadius | about 0.82 arcminutes ⓘ |
| hasStellarPopulation | multiple stellar populations ⓘ |
| hasTidalInteractionWith | Milky Way NERFINISHED ⓘ |
| hostGalaxy | Sagittarius Dwarf Spheroidal Galaxy NERFINISHED ⓘ |
| isGravitationallyBoundTo | Sagittarius Dwarf Spheroidal Galaxy NERFINISHED ⓘ |
| isIncludedIn | Harris catalogue of globular clusters NERFINISHED ⓘ |
| isPartOf | Local Group NERFINISHED ⓘ |
| locatedIn |
Sagittarius Dwarf Elliptical Galaxy
NERFINISHED
ⓘ
Sagittarius Dwarf Spheroidal Galaxy NERFINISHED ⓘ |
| locatedInConstellation | Sagittarius NERFINISHED ⓘ |
| mass | about 2 million solar masses ⓘ |
| metallicityFeH | about −1.5 ⓘ |
| notableFor |
association with the Sagittarius Dwarf Spheroidal Galaxy
ⓘ
being one of the first globular clusters recognized as lying beyond the Milky Way ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ |
| radialVelocity | about 142 km/s ⓘ |
| rightAscension | 18h 55m 03.3s ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.