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PLANETS AROUND LOW-MASS STARS (PALMS). V. AGE-DATING LOW-MASS COMPANIONS TO MEMBERS AND INTERLOPERS OF YOUNG MOVING GROUPSSome of the data presented herein were obtained at the WM Keck Observatory, which is operated as a scientific partnership among the California Institute of Technology, the University of California, and the National Aeronautics and Space Administration. The Observatory was made possible by the generous financial support of the WM Keck Foundation. Based on observations obtained at the Southern Astrophysical Research (SOAR) telescope, which is a joint project of the Ministério da Ciência, Tecnologia, e Inovação (MCTI) da República Federativa do Brasil, the US National Optical Astronomy Observatory (NOAO), the University of North Carolina at Chapel Hill (UNC), and Michigan State University (MSU). Based in part on data collected at Subaru Telescope, which is operated by the National Astronomical Observatory of Japan. Based on observations collected at the European Organi

  • Brendan P, Bowler
  • Evgenya L, Shkolnik
  • Michael C, Liu
  • Joshua E, Schlieder
  • Andrew W, Mann
  • Trent J, Dupuy
  • Sasha, Hinkley
  • Justin R, Crepp
  • John Asher, Johnson
  • Andrew W, Howard
  • Laura, Flagg
  • Alycia J, Weinberger
  • Kimberly M, Aller
  • Katelyn N, Allers
  • William M J, Best
  • Michael C, Kotson
  • Benjamin T, Montet
  • Gregory J, Herczeg
  • Christoph, Baranec
  • Reed, Riddle
  • And 5 more
Published Article
The Astrophysical Journal
American Astronomical Society
Publication Date
Jun 08, 2015
SETI Institute


We present optical and near-infrared adaptive optics (AO) imaging and spectroscopy of 13 ultracool (> M6) companions to late-type stars (K7–M4. 5), most of which have recently been identified as candidate members of nearby young moving groups (YMGs; 8–120 Myr) in the literature. Three of these are new companions identified in our AO imaging survey, and two others are confirmed to be comoving with their host stars for the first time. The inferred masses of the companions (~ 10–100 M Jup) are highly sensitive to the ...

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