NGC 6626
E524772
NGC 6626 is a bright globular star cluster in the constellation Sagittarius, notable for its dense concentration of ancient stars and its inclusion in Charles Messier’s catalog as Messier 28.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | globular star cluster ⓘ |
| age | ~12 billion years ⓘ |
| angularSize | 11.2 arcminutes ⓘ |
| apparentMagnitudeV | 6.9 ⓘ |
| belongsTo | Sagittarius region of the sky NERFINISHED ⓘ |
| bestObservedWith | small telescope ⓘ |
| bestSeenIn | summer ⓘ |
| catalog |
Messier catalogue
NERFINISHED
ⓘ
New General Catalogue NERFINISHED ⓘ |
| concentrationClass | V ⓘ |
| contains |
X-ray sources
ⓘ
blue straggler stars ⓘ millisecond pulsars ⓘ |
| coreConcentration | high ⓘ |
| declination | −24° 52′ ⓘ |
| discoveredBy | Charles Messier NERFINISHED ⓘ |
| discoveryYear | 1764 ⓘ |
| distanceFromEarth |
~18,000 light-years
ⓘ
~5.5 kiloparsecs ⓘ |
| galacticLatitude | −5.58° ⓘ |
| galacticLongitude | 7.80° ⓘ |
| hasAbsoluteMagnitudeV | ~−8.2 ⓘ |
| hasAlternateName |
C 1821-249
ⓘ
GCl 99 NERFINISHED ⓘ |
| hasColorIndexBminusV | ~0.7 ⓘ |
| hasCoreCollapse | true ⓘ |
| hasDesignation |
M28
NERFINISHED
ⓘ
Messier 28 NERFINISHED ⓘ |
| hasHalfLightRadius | ~1.2 arcminutes ⓘ |
| hasMass | ~2×10^5 solar masses ⓘ |
| hasRadialVelocity | ~+13 km/s ⓘ |
| hasStellarPopulation | Population II stars NERFINISHED ⓘ |
| hasVariableStars | RR Lyrae variables NERFINISHED ⓘ |
| isNotableFor |
dense concentration of ancient stars
ⓘ
inclusion in Charles Messier’s catalog ⓘ |
| isVisibleFrom |
Southern Hemisphere
ⓘ
low northern latitudes ⓘ |
| locatedIn | Galactic bulge region NERFINISHED ⓘ |
| locatedInConstellation | Sagittarius NERFINISHED ⓘ |
| memberOf | Milky Way globular cluster system NERFINISHED ⓘ |
| metallicity | [Fe/H] ≈ −1.3 ⓘ |
| observedBy |
Chandra X-ray Observatory
NERFINISHED
ⓘ
Hubble Space Telescope NERFINISHED ⓘ |
| partOf | Milky Way NERFINISHED ⓘ |
| rightAscension | 18h 24m ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.