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Coudé f/32.5
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Coudé Spectrometer (cs1)
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Scientist
Dr. Phillip MacQueen
(512) 471-1470
pjm@astro.as.utexas.edu
Two separate foci are available
cs11 (6-foot camera) — A moderate-to high-resolution spectrometer which can be used with TK4 as the detector.
Maximum resolving power is about 200,000. The plate scale is 10 arcsec/mm (0.24 arcsec/pixel with TK4). Five gratings and two
echelles are available for a variety of resolutions. Noiseless co-addition on-chip is available for lower spectral and spatial resolutions.
Autoguiding is available.
cs12 (Long focus camera) — A moderate to very-high resolution spectrometer has been used with TK4 CCD as
the detector. The maximum demonstrated resolving power is 400,000.
The plate scale is 2.3 arcsec/mm. Five gratings and two echelles are available to provide a variety of resolutions and wavelength
coverage from 0.3 to 1.2 microns. Noiseless co-addition on-chip is available for lower spectral and spatial resolutions. Autoguiding
is available.
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