Radial Velocity Surveys

Details Radial Velocity Surveys Radial Velocity Surveys

Mar 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004pfte.confe...7f&link_type=abstract

Presented at the KITP Conference: Planet Formation: Terrestrial and Extra Solar, Mar 16, 2004, Kavli Institute for Theoretical P

Physics

Scientific paper

Since the mid-1990's more than 100 extrasolarplanets have been detected with high precisionradial velocity surveys. These planets have beendiscovered around single, main sequence starscomponents of binary star systems, and evolved stars.The ensemble of extrasolar planets exhibitthe following characteristics: 1) the planet mass distribution rises toward the low-mass detection threshold and is truncated at about 10 M_jup 2) the host stars are more metal-rich than average field stars 3) low-mass M dwarf stars have a statistically significant paucity of gas giant planets 4) multiple planet systems are common 5) eccentric orbits are common 6) secular resonances are important in multi-planet systemsThese statistical characteristics carry informationabout properties of protoplanetary disks,timescales for formation, and dynamical evolution.However, these characteristics also containobservational selection effects; we have onlydiscovered the tip of the exoplanet iceberg.This talk will provide an overview of currentdiscoveries and a preview of what observersexpect to accomplish in the coming decade.

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