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Koposov II

Infotaula objecte astronòmicKoposov II
Tipuscúmul globular Modifica el valor a Wikidata
Data de descobriment2007 Modifica el valor a Wikidata
Constel·lacióBessons Modifica el valor a Wikidata
ÈpocaJ2000.0 Modifica el valor a Wikidata
Característiques físiques i astromètriques
Distància de la Terra130.000 a. ll. Modifica el valor a Wikidata
Moviment propi (declinació)−3,73 mas/a [1] Modifica el valor a Wikidata
Moviment propi (ascensió recta)−2,87 mas/a [1] Modifica el valor a Wikidata
Ascensió recta (α)7h 58m 16.9999s[2] Modifica el valor a Wikidata
Declinació (δ)26° 15' 19.4004''[2] Modifica el valor a Wikidata
Part deVia Làctia Modifica el valor a Wikidata

Koposov II és un cúmul globular de baixa lluminositat a la constel·lació dels Bessons en l'halo de la Via Làctia. Va ser descobert, juntament amb grup globular Koposov I per S. Koposov et al. el 2007. Koposov I i Koposov II van ser descrits pels seus descobridors com els "cúmuls globulars de lluminositat més baixa que orbiten la Via Làctia," juntament amb AM 4, Palomar 1, i Whiting 1.[3]

Referències

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  1. ↑ 1,0 1,1 Ralf-Dieter Scholz «Global survey of star clusters in the Milky Way» (en anglès). Astronomy and Astrophysics, octubre 2013, pàg. 53–53. DOI: 10.1051/0004-6361/201322302.
  2. ↑ 2,0 2,1 «Reinvestigating the clusters Koposov 1 and 2». Astronomical Journal, 2014, pàg. 19. DOI: 10.1088/0004-6256/148/1/19.
  3. ↑ Koposov, S.; de Jong, J.T.A.; Belokurov, V.; Rix, H.-W.; Zucker, D.B. The Astrophysical Journal, 669, 1, 2007, pàg. 337–342. arXiv: 0706.0019. Bibcode: 2007ApJ...669..337K. DOI: 10.1086/521422.
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Koposov II
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