Infrared radial velocimetry with TEDI: performance development

Jerry Edelstein; Philip Muirhead; Jason Wright; Kevin Covey; David Erskine; Matthew Muterspaugh; James Lloyd; Samuel Halverson; Mario Marckwordt; Daniel Mondo

doi:10.1117/12.858312

20 July 2010 Infrared radial velocimetry with TEDI: performance development

Jerry Edelstein, Philip Muirhead, Jason Wright, Kevin Covey, David Erskine, Matthew Muterspaugh, James Lloyd, Samuel Halverson, Mario Marckwordt, Daniel Mondo

Author Affiliations +

Proceedings Volume 7735, Ground-based and Airborne Instrumentation for Astronomy III; 773583 (2010) https://doi.org/10.1117/12.858312
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

The TripleSpec - Exoplanet Discovery Instrument (TEDI) is a device to use interferometric spectroscopy for the radialvelocity detection of extrasolar planets at infrared wavelengths (0.9 - 2.4 μm). The instrument is a hybrid of an interferometer and a moderate resolution echelle spectrograph (TripleSpec, R=2,700,) at the Cassegrain focus of the Palomar 200" telescope. We describe our experimental diagnostic program using laboratory sources and standard stars in different optical configurations, along with performance analysis and results. We explain our instrumental upgrade development to achieve a long-term performance that can utilize our demonstrated, < 10 m/s, short-term velocity precision.

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Jerry Edelstein, Philip Muirhead, Jason Wright, Kevin Covey, David Erskine, Matthew Muterspaugh, James Lloyd, Samuel Halverson, Mario Marckwordt, and Daniel Mondo "Infrared radial velocimetry with TEDI: performance development", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 773583 (20 July 2010); https://doi.org/10.1117/12.858312

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