NGC 4755
E753979
NGC 4755 is a bright, young open star cluster in the constellation Crux, noted for its colorful stars and striking appearance in small telescopes.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | open star cluster ⓘ |
| age |
approximately 10 million years
ⓘ
young star cluster ⓘ |
| alsoKnownAs |
Caldwell 94
NERFINISHED
ⓘ
Jewel Box Cluster NERFINISHED ⓘ Kappa Crucis Cluster NERFINISHED ⓘ |
| angularSize | 10 arcminutes ⓘ |
| apparentMagnitudeV | 4.2 ⓘ |
| bestSeenIn | autumn in Southern Hemisphere ⓘ |
| catalog | New General Catalogue NERFINISHED ⓘ |
| clusterType | Trumpler type II 3 m ⓘ |
| contains |
evolved giant stars
ⓘ
main-sequence stars ⓘ |
| containsStar |
Kappa Crucis
NERFINISHED
ⓘ
bright blue supergiant stars ⓘ bright red supergiant star ⓘ |
| declination | −60° 22′ ⓘ |
| declinationHemisphere | far southern sky ⓘ |
| discoveredBy | Nicolas-Louis de Lacaille NERFINISHED ⓘ |
| discoveryYear | 1751 ⓘ |
| distanceFromEarth |
approximately 2,000 parsecs
ⓘ
approximately 6,400 light-years ⓘ |
| estimatedMass | approximately 6,300 solar masses ⓘ |
| evolutionaryStatus | still associated with young stellar population ⓘ |
| galacticLatitude | −0.4° ⓘ |
| galacticLongitude | 303.2° ⓘ |
| hasApproximateStarCount | about 100 stars ⓘ |
| hasColorContrast | blue and red stars ⓘ |
| hasPhotogenicAppearance | popular astrophotography target ⓘ |
| hemisphereVisibility | Southern Hemisphere NERFINISHED ⓘ |
| includedIn | ESO photographic surveys NERFINISHED ⓘ |
| locatedIn |
Carina–Sagittarius Arm
NERFINISHED
ⓘ
Milky Way ⓘ |
| locatedInConstellation | Crux NERFINISHED ⓘ |
| metallicity | near-solar ⓘ |
| notableFor |
colorful stars
ⓘ
striking appearance in small telescopes ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ |
| partOf | Caldwell catalogue NERFINISHED ⓘ |
| rightAscension | 12h 53m ⓘ |
| spectralTypeDominant | B-type stars ⓘ |
| stellarPopulation | Population I ⓘ |
| visibility | naked-eye object under dark skies ⓘ |
| visibleWith |
binoculars
ⓘ
small telescopes ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.