DISCOVERY OF A ∼250 K BROWN DWARF AT 2 pc FROM THE SUN

@article{Luhman2014DISCOVERYOA,
  title={DISCOVERY OF A ∼250 K BROWN DWARF AT 2 pc FROM THE SUN},
  author={Kevin L. Luhman},
  journal={The Astrophysical Journal Letters},
  year={2014},
  volume={786}
}
  • K. Luhman
  • Published 21 April 2014
  • Physics, Geology
  • The Astrophysical Journal Letters
Through a previous analysis of multi-epoch astrometry from the Wide-field Infrared Survey Explorer (WISE), I identified WISE J085510.83−071442.5 as a new high proper motion object. By combining astrometry from WISE and the Spitzer Space Telescope, I have measured a proper motion of 8.1 ± 0.1″ yr−1 and a parallax of 0.454 ± 0.045″ ( pc) for WISE J085510.83−071442.5, giving it the third highest proper motion and the fourth largest parallax of any known star or brown dwarf. It is also the coldest… 
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I am using multi-epoch astrometry from the Wide-field Infrared Survey Explorer (WISE) to search for new members of the solar neighborhood via their high proper motions. Through this work, I have…
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