Hubble Space Telescope astrometry of the closest brown dwarf binary system - I. Overview and improved orbit

@article{Bedin2017HubbleST,
  title={Hubble Space Telescope astrometry of the closest brown dwarf binary system - I. Overview and improved orbit},
  author={L. Bedin and D. Pourbaix and D. Apai and A. Burgasser and E. Buenzli and H. Boffin and M. L. INAF-OAPD and IAA-ULB Bruxelles and U. Tucson and Lunar and AZ PlanetaryLaboratory and Ucsd and IfA Eth Zurich and E. Garching and Stsci and Uni.PD},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2017},
  volume={470},
  pages={1140-1155}
}
Located at ~2pc, the L7.5+T0.5 dwarfs system WISE J104915.57-531906.1 (Luhman16AB) is the third closest system known to Earth, making it a key benchmark for detailed investigation of brown dwarf atmospheric properties, thermal evolution, multiplicity, and planet-hosting frequency. In the first study of this series -- based on a multi-cycle Hubble Space Telescope (HST) program -- we provide an overview of the project and present improved estimates of positions, proper motions, annual parallax… Expand

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