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Encyclopedia > Kappa Crucis Cluster

The Jewel Box (also known as Open Cluster NGC 4755, NGC 4755, Kappa Crucis, or the Kappa Crucis Cluster) is an open cluster in the Crux constellation. It was one of the finest open clusters discovered by Abbe Lacaille when he was in South Africa during 1751-1752. This cluster is one of the youngest known, with an estimated age of only 7.1 million years.


  Results from FactBites:
 
Open clusters - NGC objects 4755, 265, 290 & 6231 (526 words)
This cluster was discovered by Nicolas Louis de Lacaille from an observing station in South Africa during his stay there from 1751 to 1752.
Kappa Crucis is a large and luminous aging supergiant orange star easily distinguishable against its sapphire colored companions.
They are both bright (12 magnitude) compact open clusters located in the Small Magellanic Cloud spanning a distance of 65 light years across and located 200,000 light years in distance from the Blue Planet in the Constellation Tucana.
List of NGC objects at AllExperts (3593 words)
* NGC 5139 - the globular cluster Omega Centauri
* NGC 6231 - a cluster in Scorpius
* NGC 6242 - a cluster in Scorpius
  More results at FactBites »


 

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