Omega Centauri
E481658
Omega Centauri is the largest and brightest known globular star cluster in the Milky Way, visible to the naked eye and containing millions of ancient stars.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| NGC 5139 | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
deep-sky object
ⓘ
globular cluster ⓘ stellar system ⓘ |
| age_gyr | about 12 billion years ⓘ |
| alsoKnownAs |
Caldwell 80
NERFINISHED
ⓘ
NGC 5139 NERFINISHED ⓘ ω Centauri NERFINISHED ⓘ |
| angularDiameter_arcmin | about 36 arcminutes ⓘ |
| apparentMagnitudeV | 3.7 ⓘ |
| belongsTo | Galactic halo ⓘ |
| CaldwellNumber | 80 ⓘ |
| catalog |
Caldwell catalogue
NERFINISHED
ⓘ
New General Catalogue NERFINISHED ⓘ |
| celestialHemisphere | southern celestial hemisphere ⓘ |
| classifiedAsGlobularClusterBy | John Herschel NERFINISHED ⓘ |
| contains |
ancient stars
ⓘ
millions of stars ⓘ |
| declination_J2000 | −47° 28′ 46″ ⓘ |
| discoveredBy | Ptolemy NERFINISHED ⓘ |
| discoveryEpoch | antiquity ⓘ |
| distanceFromEarth_kpc | about 4.9 kiloparsecs ⓘ |
| distanceFromEarth_ly | about 15800 light-years ⓘ |
| galacticLatitude_deg | 14.97 ⓘ |
| galacticLongitude_deg | 309.10 ⓘ |
| hasHypothesis |
may be remnant core of a dwarf galaxy
ⓘ
may host an intermediate-mass black hole ⓘ |
| hasProperty |
brightest globular cluster in the Milky Way
ⓘ
flattened shape ⓘ high central stellar density ⓘ high velocity dispersion ⓘ largest known globular cluster in the Milky Way ⓘ multiple stellar populations ⓘ spread in metallicity among its stars ⓘ |
| isTargetOf |
Gaia mission observations
ⓘ
Hubble Space Telescope observations ⓘ |
| isVisibleTo | naked eye ⓘ |
| linearDiameter_ly | about 150 light-years ⓘ |
| locatedIn |
Milky Way
ⓘ
constellation Centaurus ⓘ |
| mass_solarMasses | about 4 million solar masses ⓘ |
| metallicity_FeH | about −1.6 ⓘ |
| NGCNumber | 5139 ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
infrared wavelengths ⓘ optical wavelengths ⓘ |
| orbits | Milky Way center NERFINISHED ⓘ |
| rightAscension_J2000 | 13h 26m 47.3s ⓘ |
| spectralTypeDominant | K-type giants ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
NGC 5139