NGC 6231
E505739
NGC 6231 is a bright, young open star cluster located near the tail of the constellation Scorpius, notable for its massive, hot stars and role as the core of the Scorpius OB1 association.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | open star cluster ⓘ |
| age | ~3–7 million years ⓘ |
| angularSize | ~15 arcminutes ⓘ |
| apparentMagnitudeV | ~2.6 ⓘ |
| associatedWith | Sco OB1 association NERFINISHED ⓘ |
| bestSeenFrom | Southern Hemisphere NERFINISHED ⓘ |
| bestViewingMonth | July ⓘ |
| catalogCode |
Caldwell 76
NERFINISHED
ⓘ
Cr 315 NERFINISHED ⓘ Melotte 153 NERFINISHED ⓘ NGC 6231 NERFINISHED ⓘ |
| contains |
B-type stars
ⓘ
O-type stars ⓘ massive binary stars ⓘ pre-main-sequence stars ⓘ |
| declination | −41° 48′ ⓘ |
| discoveredBy | Giovanni Battista Hodierna NERFINISHED ⓘ |
| discoveryYear | 1654 ⓘ |
| distanceFromEarth |
~1.6 kiloparsecs
ⓘ
~5200 light-years ⓘ |
| galacticLatitude | ~+1.0° ⓘ |
| galacticLongitude | ~343.5° ⓘ |
| hasAlternativeName |
C76
ⓘ
Cr 315 NERFINISHED ⓘ Mel 153 NERFINISHED ⓘ The Northern Jewel Box NERFINISHED ⓘ |
| hasProperty |
rich in massive stars
ⓘ
significant X-ray emission from young stars ⓘ strong stellar winds ⓘ |
| hasResearchInterest |
cluster dynamics of massive stars
ⓘ
massive star formation ⓘ stellar evolution in young clusters ⓘ |
| hasStarType |
hot stars
ⓘ
massive stars ⓘ |
| is |
bright open cluster
ⓘ
young stellar cluster ⓘ |
| locatedIn |
Milky Way
ⓘ
Sagittarius Arm NERFINISHED ⓘ |
| locatedInConstellation | Scorpius NERFINISHED ⓘ |
| locatedNear | tail of the constellation Scorpius ⓘ |
| memberOf | Scorpius OB1 association NERFINISHED ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
optical wavelengths ⓘ |
| partOf | Sco OB1 complex NERFINISHED ⓘ |
| rightAscension | 16h 54m ⓘ |
| role | core of the Scorpius OB1 association ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.