Gl 86B: a white dwarf orbits an exoplanet host star

  title={Gl 86B: a white dwarf orbits an exoplanet host star},
  author={Markus Mugrauer and Ralph Neuhaeuser},
  journal={Monthly Notices of the Royal Astronomical Society: Letters},
  • M. Mugrauer, R. Neuhaeuser
  • Published 14 June 2005
  • Physics, Geology
  • Monthly Notices of the Royal Astronomical Society: Letters
In this Letter we present our first high-contrast observations of the exoplanet host star Gl 86 using NAOS-CONICA (NACO) and its new Simultaneous Differential Imager (SDI) as well as results from NACO spectroscopy. Els et al. found a faint comoving companion located only ∼2 arcsec east of the exoplanet host star Gl 86A. Our high-contrast SDI observations rule out additional stellar companions from 1 au up to 23 au, and are sensitive for faint T-dwarf companions down to 35 MJup. We present… 

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