S Ori 52

S Ori 52
Categoría enana marrón
Estrella madre
Constelación Orión
Ascensión recta (α) 05 h 40 m 9,2 s
Declinación (δ) -02°26′32″
Distancia estelar LO
Magnitud aparente 20,95 mag
Elementos orbitales derivados
Época 2012
Características físicas
Masa 2 - 8 MJ (>0,013 M⊙)
Características atmosféricas
Temperatura 1300 - 2000 K
[editar datos en Wikidata]

S Ori 52 es un objeto astronómico de naturaleza incierta del cúmulo Delta Orionis y se encuentra en la clase espectral L. Se observó por primera vez desde el Observatorio W. M. Keck de Mauna Kea.[1]​ Se le estima una masa de entre unas 2 y 8 veces la masa de Júpiter.[2]​ La naturaleza exacta del objeto sigue siendo controvertida y los estudios muestran que podría ser un sub-enana marrón,[1]​ un planeta vagabundo,[1]​ o simplemente podría ser una enana marrón más antigua situada en el primer plano del cúmulo Orionis.[3]​

Referencias

  1. ↑ a b c "Discovery of Young, Isolated Planetary Mass Objects in the σ Orionis Star Cluster" by M. R. Zapatero Osorio, V. J. S. Béjar1, E. L. Martı́n, R. Rebolo1, D. Barrado y Navascués, C. A. L. Bailer-Jones and R. Mundt in Science 6 October 2000 Vol. 290 no. 5489 pp. 103-107 doi 10.1126/science.290.5489.103
  2. ↑ Stellar Spectral Classification, by Richard O. Gray and Christopher J. Corbally (page 433)
  3. ↑ «S Orionis 70: Just a Foreground Field Brown Dwarf?». Adsabs.harvard.edu. Consultado el 16 de noviembre de 2013. 

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