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The Gemini NICI Planet-Finding Campaign: The frequency of giant planets around young B and A stars

Authors
  • Eric Nielsen
  • Michael C, Liu
  • Zahed, Wahhaj
  • Beth A, Biller
  • Thomas L, Hayward
  • Laird M, Close
  • Jared R, Males
  • Andrew J, Skemer
  • Mark, Chun
  • Christ, Ftaclas
  • Silvia H P, Alencar
  • Pawel, Artymowicz
  • Alan, Boss
  • Fraser, Clarke
  • Elisabete De Gouveia, Dal Pino
  • Jane, Gregorio-Hetem
  • Markus, Hartung
  • Shigeru, Ida
  • Marc, Kuchner
  • Douglas N C, Lin
  • And 5 more
Type
Published Article
Journal
The Astrophysical Journal
Publisher
American Astronomical Society
Publication Date
Sep 17, 2013
Volume
776
Issue
1
Pages
4–4
Source
SETI Institute
License
Unknown

Abstract

We have carried out high contrast imaging of 70 young, nearby B and A stars to search for brown dwarf and planetary companions as part of the Gemini NICI Planet-Finding Campaign. Our survey represents the largest, deepest survey for planets around high-mass stars (≈ 1.5-2.5 M☉) conducted to date and includes the planet hosts β Pic and Fomalhaut. We obtained follow-up astrometry of all candidate companions within 400 AU projected separation for stars in uncrowded fields and identified new low-mass companions to HD ...

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