Messier 92
E925091
Messier 92 is a bright, ancient globular star cluster located in the constellation Hercules, notable for its high stellar density and visibility even in small telescopes.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Messier object
ⓘ
deep-sky object ⓘ globular star cluster ⓘ |
| absoluteMagnitudeV | −8.2 ⓘ |
| age |
about 13 billion years
ⓘ
on the order of the age of the Universe ⓘ |
| alsoKnownAs |
M92
NERFINISHED
ⓘ
NGC 6341 NERFINISHED ⓘ |
| angularSize | 14 arcminutes ⓘ |
| apparentMagnitudeV | 6.3 ⓘ |
| belongsToCatalogue |
Messier Catalogue
NERFINISHED
ⓘ
New General Catalogue NERFINISHED ⓘ |
| cataloguedBy | Charles Messier NERFINISHED ⓘ |
| catalogueEntryDate | 1781 ⓘ |
| concentrationClass | Class IV globular cluster ⓘ |
| contains | RR Lyrae variable stars ⓘ |
| coreRadius | about 1.2 light-years ⓘ |
| declination | +43° 08′ 11″ ⓘ |
| discoveredBy | Johann Elert Bode NERFINISHED ⓘ |
| discoveryDate | 1777 ⓘ |
| distanceFromEarth |
about 26,700 light-years
ⓘ
about 8.2 kiloparsecs ⓘ |
| epoch | J2000 ⓘ |
| galacticLatitude | +34.9° ⓘ |
| galacticLongitude | 68.3° ⓘ |
| halfLightRadius | about 5.5 light-years ⓘ |
| heliocentricRadialVelocity | about −120 km/s ⓘ |
| horizontalBranchMorphology | blue horizontal branch ⓘ |
| locatedIn |
Galactic halo
NERFINISHED
ⓘ
Milky Way ⓘ |
| locatedInConstellation | Hercules NERFINISHED ⓘ |
| mass | about 3×10^5 solar masses ⓘ |
| metallicityClass | very metal-poor ⓘ |
| metallicityFeH | about −2.3 ⓘ |
| notableFeature |
high central stellar density
ⓘ
one of the oldest known globular clusters in the Milky Way ⓘ very low metallicity ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
infrared wavelengths ⓘ optical wavelengths ⓘ |
| orbitalType | highly eccentric orbit around the Milky Way ⓘ |
| rightAscension | 17h 17m 07.3s ⓘ |
| stellarPopulation | Population II NERFINISHED ⓘ |
| surfaceBrightness | high ⓘ |
| tidalRadius | about 54 light-years ⓘ |
| visibility |
marginally visible to the naked eye under very dark skies
ⓘ
visible in small telescopes ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.