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26 April 2024 |
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TEXES: A Sensitive High-Resolution Grating Spectrograph for the Mid-Infrared | | J. H. Lacy
; M. J. Richter
; T. K. Greathouse
; D. T. Jaffe
; Q. Zhu
; | | Date: |
23 Oct 2001 | | Subject: | astro-ph | | Abstract: | We discuss the design and performance of TEXES, the Texas Echelon Cross Echelle Spectrograph. TEXES is a mid-infrared (5-25 um) spectrograph with several operating modes: high-resolution, cross-dispersed with a resolving power of R=100,000, 0.5% spectral coverage, and a ~1.5 by 8" slit; medium-resolution long-slit with R~15,000, 0.5% coverage, and a ~1.5 by 45" slit; low-resolution long-slit with (delta lambda)~0.004 um, 0.25 um coverage, and a ~1.5 by 45" slit; and source acquisition imaging with 0.33" pixels and a 25 by 25" field of view on a 3m telescope. TEXES has been used at the McDonald Observatory 2.7m and the IRTF 3m telescopes, and has proven to be both sensitive and versatile. | | Source: | arXiv, astro-ph/0110521 | | Services: | Forum | Review | PDF | Favorites | |
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