Space Interferometry Mission (SIM) PlanetQuest's Discovery Space and Potential Synergy with Terrestrial Planet Finder (TPF): I. Detection of Terrestrial Planets in the Habitable Zone

Details Space Interferometry Mission (SIM) PlanetQuest's Discovery Space and Potential Synergy with Terrestrial Planet Finder (TPF): I. Detection of Terrestrial Planets in the Habitable Zone Space Interferometry Mission (SIM) PlanetQuest's Discovery Space and Potential Synergy with Terrestrial Planet Finder (TPF): I. Detection of Terrestrial Planets in the Habitable Zone

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...206.1404c&link_type=abstract

American Astronomical Society Meeting 206, #14.04; Bulletin of the American Astronomical Society, Vol. 37, p.453

Astronomy and Astrophysics

Astronomy

Scientific paper

SIM PlanetQuest is a space-borne Michelson interferometer with a nine meter baseline that will survey ˜200 stars within ˜30 parsecs for terrestrial planets. Ultra-precise astrometric observations will reveal stellar wobble of the target star (due to a planetary companion) against an inertial frame derived from reference stars within a 1 degree radius.
As an important complement to Terrestrial Planet Finder, SIM PlanetQuest will make discoveries that will inform the selection of TPF targets, leading to a significantly enhanced yield of terrestrial planets. For many stars on which it detects terrestrial planets, SIM PlanetQuest will additionally provide optimal times for TPF observations, determine the mass of the planet -- which TPF alone could not get, and determine inclination, eccentricity, and semimajor axis of the planet's orbit.
In this paper, we assess SIM PlanetQuest's terrestrial planet discovery space using realistic target star lists, and we investigate its sensitivity to instrument error. Finally, we quantify how apriori information from SIM PlanetQuest will magnify TPF's potential yield of terrestrial planets.
This work was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under contract with NASA.

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