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Precision Radial Velocities in the Near Infrared with TEDI

Published online by Cambridge University Press:  01 May 2008

James P. Lloyd ,
Agnieszka Czeszumska ,
Jerry Edelstein ,
David Erskine ,
Michael Feuerstein ,
Sam Halverson ,
Mario Marckwordt ,
Tony Mercer ,
Philip Muirhead  and
Jackie Schwehr
...Show all authors
James P. Lloyd
Affiliation:
Department of Astronomy, Cornell University, Ithaca, NY email: jpl@astro.cornell.edu
Agnieszka Czeszumska
Affiliation:
Space Sciences Laboratory, University of California, Berkeley, CA
Jerry Edelstein
Affiliation:
Space Sciences Laboratory, University of California, Berkeley, CA
David Erskine
Affiliation:
Space Sciences Laboratory, University of California, Berkeley, CA
Michael Feuerstein
Affiliation:
Space Sciences Laboratory, University of California, Berkeley, CA
Sam Halverson
Affiliation:
Space Sciences Laboratory, University of California, Berkeley, CA
Mario Marckwordt
Affiliation:
Space Sciences Laboratory, University of California, Berkeley, CA
Tony Mercer
Affiliation:
Space Sciences Laboratory, University of California, Berkeley, CA
Philip Muirhead
Affiliation:
Department of Astronomy, Cornell University, Ithaca, NY email: jpl@astro.cornell.edu
Jackie Schwehr
Affiliation:
Space Sciences Laboratory, University of California, Berkeley, CA
Matthew Muterspaugh
Affiliation:
Space Sciences Laboratory, University of California, Berkeley, CA
Ed Wishnow
Affiliation:
Space Sciences Laboratory, University of California, Berkeley, CA
Jason Wright
Affiliation:
Department of Astronomy, Cornell University, Ithaca, NY email: jpl@astro.cornell.edu
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Abstract

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The TEDI (TripleSpec - Exoplanet Discovery Instrument) is a dedicated instrument for the near-infrared radial velocity search for planetary companions to low-mass stars with the goal of achieving meters-per-second radial velocity precision. Heretofore, such planet searches have been limited almost entirely to the optical band and to stars that are bright in this band. Consequently, knowledge about planetary companions to the populous but visibly faint low-mass stars is limited. In addition to the opportunity afforded by precision radial velocity searches directly for planets around low mass stars, transits around the smallest M dwarfs offer a chance to detect the smallest possible planets in the habitable zones of the parent stars. As has been the the case with followup of planet candidates detected by the transit method requiring radial velocity confirmation, the capability to undertake efficient precision radial velocity measurements of mid-late M dwarfs will be required. TEDI has been commissioned on the Palomar 200” telescope in December 2007, and is currently in a science verification phase.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 4 , Symposium S253: Transiting Planets , May 2008 , pp. 157 - 161
Copyright
Copyright © International Astronomical Union 2009

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