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Brown Dwarf Companions to Solar-Type Stars and other Brown Dwarfs
Published online by Cambridge University Press: 19 September 2017
Abstract
We report on our ongoing imaging efforts to detect brown dwarfs orbiting solar-type stars and other brown dwarfs. We study the properties of brown dwarf companions as a function of primary mass. Our results indicate that the frequency of brown dwarf companions around solar-type stars for separations larger than about 40 AU is non-negligible. The frequency of brown dwarf binaries is about 20%. There is a dearth of brown dwarf binaries with separations larger than ∼20 AU. We propose that brown dwarf systems are a scaled down version of stellar systems, which probably form via triggered collapse of small molecular cores.
- Type
- Extrasolar Planets
- Information
- Symposium - International Astronomical Union , Volume 213: Bioastronomy 2002: Life Among the stars , 2004 , pp. 111 - 114
- Copyright
- Copyright © Astronomical Society of the Pacific 2004