Design updates and status of the fourth generation TripleSpec spectrograph

E. Schlawin; T. L. Herter; C. Henderson; J. C. Wilson; R. Probst; D. Sprayberry; M. Bonati; P. Schurter; D. James; M. Warner; R. Tighe; J. D. Adams; M. Martínez

doi:10.1117/12.2055233

28 July 2014 Design updates and status of the fourth generation TripleSpec spectrograph

E. Schlawin, T. L. Herter, C. Henderson, J. C. Wilson, R. Probst, D. Sprayberry, M. Bonati, P. Schurter, D. James, M. Warner, R. Tighe, J. D. Adams, M. Martínez

Author Affiliations +

Proceedings Volume 9147, Ground-based and Airborne Instrumentation for Astronomy V; 91472H (2014) https://doi.org/10.1117/12.2055233
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

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.

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E. Schlawin, T. L. Herter, C. Henderson, J. C. Wilson, R. Probst, D. Sprayberry, M. Bonati, P. Schurter, D. James, M. Warner, R. Tighe, J. D. Adams, and M. Martínez "Design updates and status of the fourth generation TripleSpec spectrograph", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91472H (28 July 2014); https://doi.org/10.1117/12.2055233

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