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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:catalogue
|
gptkb:NGC_4755
|
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gptkbp:contains
|
gptkb:HD_111973
gptkb:Kappa_Crucis
gptkb:HD_111613
gptkb:HD_111904
gptkb:HD_111990
over 100 stars
|
|
gptkbp:declination
|
-60° 22′ 00″
|
|
gptkbp:discoveredBy
|
gptkb:Nicolas_Louis_de_Lacaille
|
|
gptkbp:discoveredIn
|
1751-1752
|
|
gptkbp:distanceFromEarth
|
6,440 light years
|
|
gptkbp:hasViewOf
|
gptkb:Southern_Hemisphere
|
|
gptkbp:locatedIn
|
gptkb:Crux_constellation
|
|
gptkbp:notableFor
|
bright, colorful stars
striking appearance in small telescopes
|
|
gptkbp:notableMember
|
gptkb:Kappa_Crucis
|
|
gptkbp:observedBy
|
gptkb:John_Herschel
|
|
gptkbp:partOf
|
gptkb:Milky_Way_galaxy
|
|
gptkbp:rightAscension
|
12h 53m 36s
|
|
gptkbp:spectralType
|
O, B, and red supergiant stars
|
|
gptkbp:bfsParent
|
gptkb:Southern_Cross_constellation
|
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gptkbp:bfsLayer
|
5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Jewel Box cluster
|