About: BU Crucis

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BU Crucis (HD 111934) is a variable star in the open cluster NGC 4755, which is also known as the Kappa Crucis Cluster or Jewel Box Cluster.

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place celestial body star
rdfs:label	BU Crucis (en) BU Crucis (fr) BU Южного Креста (ru)
rdfs:comment	BU Crucis (HD 111934) is a variable star in the open cluster NGC 4755, which is also known as the Kappa Crucis Cluster or Jewel Box Cluster. (en) BU Crucis, également désignée HD 111934, est une étoile variable de l'amas ouvert NGC 4755, également appelé l'amas de Kappa Crucis ou l'amas de la Boîte à Bijoux. (fr) BU Южного Креста (HD 111934, англ. BU Cru) — переменная звезда в рассеянном скоплении NGC 4755, также известном как скопление Каппы Южного Креста или Шкатулка с драгоценностями. (ru)
foaf:name	BU Crucis (en)
foaf:depiction
dcterms:subject	Alpha Cygni variables B-type supergiants Durchmusterung objects Eclipsing binaries Henry Draper Catalogue objects Hipparcos objects Objects with variable star designations Suspected variables 2MASS objects Crux (constellation)
Wikipage page ID	51806873 (xsd:integer)
Wikipage revision ID	1121980647 (xsd:integer)
Link from a Wikipage to another Wikipage	Durchmusterung Alpha Cygni variables B-type supergiants Durchmusterung objects Eclipsing binaries Henry Draper Catalogue objects Hipparcos objects Objects with variable star designations Suspected variables Crux General Catalogue of Variable Stars NGC 4755 Henry Draper Catalogue Southern Cross 2MASS 2MASS objects Alpha Cygni variable Open cluster Asterism (astronomy) Crux (constellation) Eclipsing binary Bright supergiant Variable star Β Crucis Variable star designation Hipparcos catalogue
sameAs	BU Crucis BU Crucis BU Crucis BU Crucis BU Crucis
dbp:wikiPageUsesTemplate	dbt:APOD dbt:Reflist dbt:Short_description dbt:Starbox_astrometry dbt:Starbox_begin dbt:Starbox_catalog dbt:Starbox_character dbt:Starbox_detail dbt:Starbox_end dbt:Starbox_image dbt:Starbox_observe dbt:Starbox_reference dbt:DEC dbt:RA dbt:Stars_of_Crux
thumbnail	wiki-commons:Special:FilePath/A_Snapshot_of_the_Jewel_Box_cluster_with_the_ESO_VLT.jpg?width=300
absmag v	−7.00 (en)
age myr	5.600000 (xsd:double)
appmag v	6.800000 (xsd:double)
b-v	+0.20 (en)
caption	The star cluster NGC 4755. BU Crucis is the bright blue star just above and to the right of the centre. (en)
class	B2 Ia (en)
constell	Crux
date	2010-08-17 (xsd:date)
epoch	J2000 (en)
gravity	2.650000 (xsd:double)
luminosity	275000 (xsd:integer)
mass	29.200000 (xsd:double)
p error	0.033000 (xsd:double)
parallax	0.444100 (xsd:double)
prop mo dec	−1.050 (en)
prop mo ra	−4.643 (en)
radial v	−17.00 (en)
radius	41.600000 (xsd:double)
rotational velocity	75 (xsd:integer)
temperature	20600 (xsd:integer)
title	NGC 4755: A Jewel Box of Stars (en)
u-b	−0.67 (en)

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