Detecting Neptune-mass Planets Around 2,000 Nearby Stars with SIM

Details Detecting Neptune-mass Planets Around 2,000 Nearby Stars with SIM Detecting Neptune-mass Planets Around 2,000 Nearby Stars with SIM

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20924101l&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #241.01; Bulletin of the American Astronomical Society,

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We describe the SIM EPIcS Tier-2 survey, a search for Neptune-mass planets around 2,000 nearby stars. The list of targets comprehensively covers a wide range of stellar masses, metallicities, ages, and multiplicity. The survey includes stars which cannot be easily searched with other methods, such as faint (V=19) low-mass targets. Four micro-arcsec astrometry will be acquired per visit on each target with several dozen visits occurring during the SIM mission time. Initial close-companion searches for the 2,000 targets will be performed with high time efficiency using the new Lucky Imaging technique for high-angular-resolution imaging from the ground. The EPIcS Tier-2 survey will provide a detailed view of the nature of the planetary systems around a wide variety of stars. It complements the SIM EPIcS Tier-1 narrow-angle survey, which is sensitive to terrestrial planets in the habitable zones of their parent stars.

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