Open AccessInfrared radial velocimetry with TEDI: performance development
Author(s) -
Jerry Edelstein,
Philip S. Muirhead,
Jason T. Wright,
Kevin R. Covey,
David J. Erskine,
Matthew W. Muterspaugh,
James P. Lloyd,
Samuel Halverson,
Mario Marckwordt,
Daniel Mondo
Publication year - 2010
Publication title -
proceedings of spie, the international society for optical engineering/proceedings of spie
Language(s) - English
Resource type - Conference proceedings
SCImago Journal Rank - 0.192
H-Index - 176
eISSN - 1996-756X
pISSN - 0277-786X
DOI - 10.1117/12.858312
Subject(s) - exoplanet , spectrograph , interferometry , cassegrain reflector , optics , very large telescope , radial velocity , physics , telescope , planet , spectral resolution , adaptive optics , near infrared spectroscopy , astronomical interferometer , remote sensing , upgrade , stars , astronomy , computer science , spectral line , geology , operating system
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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