Physics
Scientific paper
Feb 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007noao.prop..334m&link_type=abstract
NOAO Proposal ID #2007A-0334
Physics
Scientific paper
We propose to follow up potential exoplanet candidates by obtaining high precision Doppler radial velocity measurements using the HRS instrument on the HET. The candidates stars have been observed using a prototype wide field multi-object radial velocity instrument at the Sloan 2.5m telescope. This instrument is a fixed delay interferometer based on the design of the Kitt Peak ET instrument that has recently discovered a planet around HD120195. The proposed candidates are all TYCHO-2 stars, V_T> 11.2, and show velocity variability, with hints of periodicity, in data obtained with the prototype instrument in May and June 2006. 30 hours of time at the HET is requested to obtain 5 radial velocity measurements of all these candidates at a precision of σ=10-20 ms^-1 and convincingly confirm or disprove the detected velocity variability. Confirmation of our detection with the HET will be an important step for the development of wide field multi- object precision radial velocity surveys.
Fleming Scott
Ge Jian
Henry Greg
Kane Stephen
Mahadevan Suvrath
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