Other
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21331006t&link_type=abstract
American Astronomical Society, AAS Meeting #213, #310.06; Bulletin of the American Astronomical Society, Vol. 41, p.286
Other
Scientific paper
The Radial Velocity technique has been the most successful method for detecting extrasolar planets. It has revealed the frequency and orbital characteristics of planets around nearby stars, providing valuable constraints for theories of planetary formation, migration, and evolution. Radial velocities play key supporting roles for space missions to detect planets by astrometric means and by the transit technique. The technique will provide targets for JWST, as well as for imaging missions in the next decade. The 2008 Exoplanet Forum Committee on Radial Velocities supports the conclusion of the Exoplanet Task Force Report that it is critical to make progress in the precision of the velocities in the next few years to enable the detection and characterization of terrestrial planets, both in the optical and in the near infrared. This will involve not only improving the wavelength reference, but also understanding other sources of noise of astrophysical origin. Specific efforts toward this goal are proposed. The Committee has identified the lack of access to telescope time as one of the major current limitations of this technique for detecting and characterizing planets, particularly at the low-mass end, one that the next Decadal Survey should consider very seriously. A number of options are presented that include buying time on existing telescopes with high velocity precision instrumentation, the deployment of instruments with 1 m/s capability on underutilized 2-4m class telescopes, and the construction of 2-8m class dedicated telescopes.
Forum 2008 Radial Velocity Committee Exoplanet
Gelino Dawn M.
Torres Gabino
von Braun Kaspar
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