NGC 6681
E526108
NGC 6681 is a compact globular star cluster located in the constellation Sagittarius, notable for its richness and proximity to the Galactic center.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| NGC6681 | 1 |
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | globular cluster ⓘ |
| age | on the order of 10–13 billion years ⓘ |
| angularSize | ~11 arcminutes ⓘ |
| apparentMagnitudeV | 7.2 ⓘ |
| bestViewingSeason |
northern summer
ⓘ
southern winter ⓘ |
| catalog | New General Catalogue NERFINISHED ⓘ |
| clusterType | globular ⓘ |
| constellation | Sagittarius NERFINISHED ⓘ |
| coreConcentration | high ⓘ |
| declination | −32° 17′ 31″ ⓘ |
| discoveredBy | James Dunlop NERFINISHED ⓘ |
| discoveryMethod | telescopic observation ⓘ |
| discoveryYear | 1826 ⓘ |
| distanceFromEarth |
~10,000 parsecs
ⓘ
~32,600 light-years ⓘ |
| equatorialCoordinateSystem | J2000 ⓘ |
| galacticComponent | inner halo or bulge ⓘ |
| galacticLatitude | low ⓘ |
| galacticSystem | Milky Way globular cluster system NERFINISHED ⓘ |
| hasColorMagnitudeDiagram | well-studied ⓘ |
| hasMemberStars | hundreds of thousands of stars ⓘ |
| hostGalaxy | Milky Way NERFINISHED ⓘ |
| locatedIn |
Galactic bulge
NERFINISHED
ⓘ
Milky Way ⓘ |
| mass | on the order of 10^5 solar masses ⓘ |
| metallicity | metal-poor ⓘ |
| metallicity[Fe/H] | about −1.6 ⓘ |
| near | Galactic center ⓘ |
| notableFor |
proximity to Galactic center
ⓘ
richness ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ |
| otherName | M70-like cluster ⓘ |
| rightAscension | 18h 43m 12.7s ⓘ |
| shows |
horizontal branch
ⓘ
main sequence ⓘ red giant branch ⓘ |
| stellarPopulation | old ⓘ |
| structure | compact ⓘ |
| subjectOf |
Hubble Space Telescope observations
ⓘ
dynamical evolution studies ⓘ proper motion studies ⓘ |
| visibility | best seen from southern hemisphere ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
NGC6681