NOAO >   Observing Info >   Approved Programs >   2009B-0306

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Proposal Information for 2009B-0306


PI: Christian Marois, Herzberg Institute of Astrophysics, christian.marois@nrc-cnrc.gc.ca
Address: National Research Council of Canada, 5071 West Saanich Road, RR. 5, Victoria, British Columbia, V9E 2E7, Canada

CoI: Bruce Macintosh, Lawrence Livermore National Laboratory
CoI: Jean-Rene Roy, Gemini Observatory - South
CoI: Jennifer Patience, University of Exeter
CoI: Travis Barman, Lowell Observatory
CoI: Ben Zuckerman, UC Los Angeles
CoI: Insoek Song, University of Georgia
CoI: David Lafreniere, University of Toronto
CoI: Rene Doyon, University of Montreal

Title: HR 8799 and the Search of Jupiter-like Planets Around Young & Nearby Early-Type Stars.

Abstract: Following our HR 8799 3-planet system discovery at Gemini, we propose to search for an additional planet at 10 AU in this system and to pursue our ongoing volume-limited (<55 pc) deep AO/ADI A- & F-type star IDPS survey. Analyzes of star forming regions have shown that A-type stars have more frequent/massive disks than less massive stars, potentially triggering more massive planet formation on wider orbits. Stars as massive as A-type stars have been neglected in AO searches, including the Gemini Deep Planet Survey, while radial velocity surveys have reduced sensitivity for such stars. Thus planet/BD formation around more massive stars remains unconstrained. After combining this A-type star survey with our previous GDPS survey and new FGKM proposed targets for NICI, we will have, for the first time, a broader picture of the population of massive planets at large semi-major axes around a wide range of stellar mass.


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