TEDI: the TripleSpec Exoplanet Discovery Instrument

Details TEDI: the TripleSpec Exoplanet Discovery Instrument TEDI: the TripleSpec Exoplanet Discovery Instrument

2007-10-10

arxiv.org/abs/0710.2132v1

Astronomy and Astrophysics

Astrophysics

6 Pages, To Appear in SPIE Volume 6693, Techniques and Instrumentation for Detection of Exoplanets III

Scientific paper

10.1117/12.735474

The TEDI (TripleSpec - Exoplanet Discovery Instrument) will be the first instrument fielded specifically for finding low-mass stellar companions. The instrument is a near infra-red interferometric spectrometer used as a radial velocimeter. TEDI joins Externally Dispersed Interferometery (EDI) with an efficient, medium-resolution, near IR (0.9 - 2.4 micron) echelle spectrometer, TripleSpec, at the Palomar 200" telescope. We describe the instrument and its radial velocimetry demonstration program to observe cool stars.

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