Companions to Young Stars

Details Companions to Young Stars Companions to Young Stars

2002-08-03

arxiv.org/abs/astro-ph/0208072v1

Astronomy and Astrophysics

Astrophysics

IAU 211 Proceedings, 4 pages, 4 figures

Scientific paper

Brown dwarfs occupy the important region in the mass range between stars and planets. Their existence, ambigious until only recently, and their properties give insight into stellar and planetary formation. We present statistical results of an infrared, coronagraphic survey of young, nearby stars that includes probable companions to three young G-type stars, Gl 503.2 (G2V), HD 102982 (G3V), and Gl 577 (G5V). The companion to Gl 577 is a possible binary brown dwarf, according to evolution ary models. A dynamical determination of the components' masses will be achievable in the near future and be an excellent test of the predictive ability of the evolutionary models.

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