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Proceedings Paper

Design updates and status of the fourth generation TripleSpec spectrograph
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Paper Abstract

TripleSpec 4 (TS4) is a near-infrared (0.8um to 2.45um) moderate resolution (R ~ 3200) cross-dispersed spectrograph for the 4m Blanco Telescope that simultaneously measures the Y, J, H and K bands for objects reimaged within its slit. TS4 is being built by Cornell University and NOAO with scheduled commissioning in 2015. TS4 is a near replica of the previous TripleSpec designs for Apache Point Observatory's ARC 3.5m, Palomar 5m and Keck 10m telescopes, but includes adjustments and improvements to the slit, fore-optics, coatings and the detector. We discuss the changes to the TripleSpec design as well as the fabrication status and expected sensitivity of TS4.

Paper Details

Date Published: 28 July 2014
PDF: 9 pages
Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91472H (28 July 2014); doi: 10.1117/12.2055233
Show Author Affiliations
E. Schlawin, Cornell Univ. (United States)
T. L. Herter, Cornell Univ. (United States)
C. Henderson, Cornell Univ. (United States)
J. C. Wilson, Univ. of Virginia (United States)
R. Probst, National Optical Astronomy Observatory (United States)
D. Sprayberry, National Optical Astronomy Observatory (United States)
M. Bonati, Cerro Tololo Inter-American Observatory (Chile)
P. Schurter, Cerro Tololo Inter-American Observatory (Chile)
D. James, Cerro Tololo Inter-American Observatory (Chile)
M. Warner, Cerro Tololo Inter-American Observatory (Chile)
R. Tighe, Cerro Tololo Inter-American Observatory (Chile)
J. D. Adams, Univ. Research Space Association (United States)
M. Martínez, Cerro Tololo Inter-American Observatory (Chile)


Published in SPIE Proceedings Vol. 9147:
Ground-based and Airborne Instrumentation for Astronomy V
Suzanne K. Ramsay; Ian S. McLean; Hideki Takami, Editor(s)

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