Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:open_cluster
|
| gptkbp:age |
14 million years
|
| gptkbp:alsoKnownAs |
gptkb:Kappa_Crucis_Cluster
gptkb:NGC_4755 |
| gptkbp:angularSize |
10 arcminutes
|
| gptkbp:apparentMagnitude |
4.2
|
| gptkbp:bestViewedIn |
April
|
| gptkbp:catalogueNumber |
gptkb:NGC_4755
|
| gptkbp:contains |
blue supergiant stars
over 100 stars red supergiant DU Crucis |
| gptkbp:declination |
-60° 22′ 00″
|
| gptkbp:discoveredBy |
gptkb:Nicolas_Louis_de_Lacaille
|
| gptkbp:discoveredIn |
1751-1752
|
| gptkbp:distanceFromEarth |
6,440 light-years
|
| gptkbp:epoch |
gptkb:J2000
|
| gptkbp:hasViewOf |
gptkb:Southern_Hemisphere
|
| https://www.w3.org/2000/01/rdf-schema#label |
Jewel Box Cluster
|
| gptkbp:locatedIn |
gptkb:Crux_constellation
|
| gptkbp:namedFor |
gptkb:John_Herschel
appearance resembling a jewel box |
| gptkbp:notableFor |
bright, colorful stars
striking color contrast |
| gptkbp:partOf |
gptkb:Milky_Way_Galaxy
|
| gptkbp:rightAscension |
12h 53m 36s
|
| gptkbp:bfsParent |
gptkb:Crux
|
| gptkbp:bfsLayer |
6
|