Discovery of a brown dwarf companion to the A3V star β Circini
Monthly Notices of the Royal Astronomical Society(2015)
摘要
We report the discovery of an L dwarf companion to the A3V star β Circini. VVV J151721.49−585131.5, or β Cir B, was identified in a proper motion and parallax catalogue of the VISTA Variables in the Vía Láctea survey as having near-infrared luminosity and colour indicative of an early L dwarf, and a proper motion and parallax consistent with that of β Cir. The projected separation of ∼3.6 arcmin c...
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关键词
binaries: general,brown dwarfs,stars: individual: β Circini
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