A Young Planetary Mass Companion to the Nearby M Dwarf VHS J125601.92-125723.9

Bibcode
2016IAUS..314..232G
DOI
10.1017/S1743921315006493
Gauza, B.; Béjar, V. J. S.; Pérez-Garrido, A.; Zapatero Osorio, M. R.; Lodieu, N.; Rebolo, R.; Pallé, E.; Nowak, G.
Referencia bibliográfica

Young Stars & Planets Near the Sun, Proceedings of the International Astronomical Union, IAU Symposium, Volume 314, pp. 232-236

Fecha de publicación:
1
2016
Número de autores
8
Número de autores del IAC
6
Número de citas
0
Número de citas referidas
0
Descripción
We have recently identified a young, very red (J - Ks = 2.47 mag) late L-type companion at 8.06'' +/- 0.03'' (~102 AU) from a previously unrecognized M dwarf. We determined the parallactic distance of the system to be 12.7+/-1.0 pc. Non-detection of lithium and the kinematics of the primary allowed us to constrain the age of the system in the range of 150-300 Myr. By comparison with theoretical evolutionary models we derived a mass of 73+20 -15 M Jup for the primary, at around the substellar mass regime and 11.2+9.7 -1.8 M Jup for the secondary, near the deuterium burning mass limit.
Tipo
Sin árbitro

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