High-resolution spectrograph for the Galileo National Telescope

Raffaele G. Gratton; Rajiv K. Bhatia; Andrea Cavazza

doi:10.1117/12.176707

1 June 1994 High-resolution spectrograph for the Galileo National Telescope

Raffaele G. Gratton, Rajiv K. Bhatia, Andrea Cavazza

Proceedings Volume 2198, Instrumentation in Astronomy VIII; (1994) https://doi.org/10.1117/12.176707
Event: 1994 Symposium on Astronomical Telescopes and Instrumentation for the 21st Century, 1994, Kailua, Kona, HI, United States

Abstract

We present the design of the High Resolution Spectrograph (SARG, 25,000 <EQ R <EQ 200,000) for the Italian Galileo National Telescope (TNG). SARG will be a fiber-fed, white-pupil echelle spectrograph, with prismatic cross disperser and two cameras, placed in a temperature controlled room in the telescope pillar. Additionally provision has been made for a cryogenic IR arm extending the spectral coverage up to 1.7 micrometers . Novel features include a new design of the fiber spectrograph interface and an asymmetric white-pupil collimator.

Citation Download Citation

Raffaele G. Gratton, Rajiv K. Bhatia, and Andrea Cavazza "High-resolution spectrograph for the Galileo National Telescope", Proc. SPIE 2198, Instrumentation in Astronomy VIII, (1 June 1994); https://doi.org/10.1117/12.176707

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