Journal
ASTRONOMICAL JOURNAL
Volume 137, Issue 3, Pages 3529-3532Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0004-6256/137/3/3529
Keywords
planetary systems; stars: individual (HD 91669); stars: low-mass, brown dwarfs
Categories
Funding
- National Aeronautics and Space Administration [NNG04G141G, NNG05G107G]
- Origins of Solor Systems [NNX07AL70G]
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We report the detection of a brown dwarf candidate orbiting the metal-rich K dwarf HD 91669, based on radial-velocity data from the McDonald Observatory Planet Search. HD 91669b is a substellar object in an eccentric orbit (e = 0.45) at a separation of 1.2 AU. The minimum mass of 30.6M(Jup) places this object firmly within the brown dwarf desert for inclinations i greater than or similar to 23 degrees. This is the second rare close-in brown dwarf candidate discovered by the McDonald planet search program.
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