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THE GEMINI PLANET-FINDING CAMPAIGN: THE FREQUENCY OF GIANT PLANETS AROUND DEBRIS DISK STARSBased on observations obtained at the Gemini Observatory, which is operated by the Association of Universities for Research in Astronomy, Inc., under a cooperative agreement with the NSF on behalf of the Gemini partnership: the National Science Foundation (United States), the Science and Technology Facilities Council (United Kingdom), the National Research Council (Canada), CONICYT (Chile), the Australian Research Council (Australia), Ministério da Ciência e Tecnologia (Brazil) and Ministerio de Ciencia, Tecnología e Innovación Productiva (Argentina).

Authors
  • Niranjan, Thatte
  • Matthias, Tecza
  • Evgenya L, Shkolnik
  • Marc, Kuchner
  • Neill, Reid
  • Elisabete M De Gouveia, Dal Pino
  • Silvia H P, Alencar
  • Jane, Gregorio-Hetem
  • Alan, Boss
  • Douglas N C, Lin
  • Douglas W, Toomey
  • Zahed, Wahhaj
  • Michael C, Liu
  • Eric Nielsen
  • Beth A, Biller
  • Thomas L, Hayward
  • Laird M, Close
  • Jared R, Males
  • Andrew, Skemer
  • Christ, Ftaclas
  • And 1 more
Type
Published Article
Journal
The Astrophysical Journal
Publisher
American Astronomical Society
Publication Date
Aug 05, 2013
Volume
773
Issue
2
Pages
179–179
Source
SETI Institute
License
Unknown

Abstract

We have completed a high-contrast direct imaging survey for giant planets around 57 debris disk stars as part of the Gemini NICI Planet-Finding Campaign. We achieved median H-band contrasts of 12.4 mag at 0 farcs 5 and 14.1 mag at 1 separation. Follow-up observations of the 66 candidates with projected separation< 500 AU show that all of them are background objects. To establish statistical constraints on the underlying giant planet population based on our imaging data, we have developed a new Bayesian formalism ...

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