arXiv 0710.21322007-10-10astro-ph

TEDI：TripleSpec系外行星发现仪器

TEDI: the TripleSpec Exoplanet Discovery Instrument

Jerry Edelstein, Matthew Ward Muterspaugh, David J. Erskine, W. Michael Feuerstein, Mario Marckwordt, Ed Wishnow, James P. Lloyd, Terry Herter, Phillip Muirhead… 展开作者

Jerry Edelstein, Matthew Ward Muterspaugh, David J. Erskine, W. Michael Feuerstein, Mario Marckwordt, Ed Wishnow, James P. Lloyd, Terry Herter, Phillip Muirhead, George E. Gull, Charles Henderson, Stephen C. Parshley

备注：: 6 Pages, To Appear in SPIE Volume 6693, Techniques and Instrumentation for Detection of Exoplanets III
DOI：: 10.1117/12.735474

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摘要：

TEDI（TripleSpec -系外行星发现仪器）将是第一个专门用于寻找低质量恒星同伴的仪器。该仪器是一个近红外干涉光谱仪用作径向速度计。TEDI加入了外部色散干涉仪（EDI），在Palomar 200”望远镜上安装了一台高效、中等分辨率、近红外（0.9 - 2.4微米）阶梯光栅光谱仪TripleSpec。我们描述的仪器和它的径向测速演示程序来观察冷星。

英文摘要：

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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