DISCOVERY OF THE COLDEST IMAGED COMPANION OF A SUN-LIKE STAR

@article{Thalmann2009DISCOVERYOT,
  title={DISCOVERY OF THE COLDEST IMAGED COMPANION OF A SUN-LIKE STAR},
  author={Christian Thalmann and Joseph C. Carson and Markus Janson and M. Goto and Michael W. McElwain and Sebastian Egner and Markus Feldt and Jun Hashimoto and Yutaka Hayano and T Henning and Klaus W. Hodapp and Ryo Kandori and Hubert Klahr and Tomoyuki Kudo and N. Kusakabe and C. Mordasini and Jun-Ichi Morino and Hiroshi Suto and Ryuji Suzuki and M. Tamura},
  journal={The Astrophysical Journal},
  year={2009},
  volume={707},
  pages={L123 - L127}
}
We present the discovery of a brown dwarf or possible planet at a projected separation of 1.″9 = 29 AU around the star GJ 758, placing it between the separations at which substellar companions are expected to form by core accretion (∼5 AU) or direct gravitational collapse (typically ≳100 AU). The object was detected by direct imaging of its thermal glow with Subaru/HiCIAO. At 10–40 times the mass of Jupiter and a temperature of 550–640 K, GJ 758 B constitutes one of the few known T-type… 

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