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Leo T

Galáxia Leo T.

Leo T é uma galáxia anã situada na constelação de Leo que descoberta em 2006 os dados obtidos pelo Sloan Digital Sky Survey.[1] A galáxia está localizada a uma distância de cerca de 420 kpc do Sol e se afasta do Sol com a velocidade de cerca de 35 km/s.[1][2] A velocidade em relação à Via Láctea é de cerca de -60 km/s.[2] Leo T é classificado como um objeto transicional ('T' no nome) entre as galáxias anãs esferoidais (dSph) e as galáxias irregulares anãs (Dirr). Seu raio de meia-luz é de cerca de 180 pc.[1]

Referências

  1. a b c Irwin, V.; Belokurov, V.; Evans, N. W.; et al. (2007). «Discovery of an Unusual Dwarf Galaxy in the Outskirts of the Milky Way». The Astrophysical Journal. 656 (1): L13–L16. Bibcode:2007ApJ...656L..13I. arXiv:astro-ph/0701154Acessível livremente. doi:10.1086/512183 
  2. a b Simon, Joshua D.; Geha, Marla (2007). «The Kinematics of the Ultra-faint Milky Way Satellites: Solving the Missing Satellite Problem». The Astrophysical Journal. 670 (1): 313–331. Bibcode:2007ApJ...670..313S. arXiv:0706.0516Acessível livremente. doi:10.1086/521816 
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Leo T
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