DISCOVERY OF A CANDIDATE FOR THE COOLEST KNOWN BROWN DWARF

@article{Luhman2011DISCOVERYOA,
  title={DISCOVERY OF A CANDIDATE FOR THE COOLEST KNOWN BROWN DWARF},
  author={K. Luhman and A. Burgasser and J. Bochanski},
  journal={The Astrophysical Journal},
  year={2011},
  volume={730}
}
We have used multi-epoch images from the Infrared Array Camera on board the Spitzer Space Telescope to search for substellar companions to stars in the solar neighborhood based on common proper motions. Through this work, we have discovered a faint companion to the white dwarf WD 0806-661. The comoving source has a projected separation of 130'', corresponding to 2500 AU at the distance of the primary (19.2 pc). If it is physically associated, then its absolute magnitude at 4.5 μm is ~1 mag… Expand

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