Precise Infrared Radial Velocities with the TripleSpec Exoplanet Discovery Instrument (TEDI)

Details Precise Infrared Radial Velocities with the TripleSpec Exoplanet Discovery Instrument (TEDI) Precise Infrared Radial Velocities with the TripleSpec Exoplanet Discovery Instrument (TEDI)

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21542117m&link_type=abstract

American Astronomical Society, AAS Meeting #215, #421.17; Bulletin of the American Astronomical Society, Vol. 42, p.289

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The TripleSpec Externally Dispersed Interferometer (TEDI) is an instrument optimized to detect exoplanets around mid-to-late M dwarfs using the Doppler technique. TEDI is the combination of a Michelson interferometer and TripleSpec, a moderate-resolution near-infrared spectrograph, mounted on the Cassegrain focus of the Palomar 200-inch Hale Telescope. The interferometer multiplies the stellar spectrum by a sinusoidal comb, which both provides a reference and preserves the Doppler content otherwise lost to the instrumental profile of the spectrograph. I will present the current instrument performance and plans for future upgrades.

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