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Proceedings Paper

The preslit system of GIANO-TNG
Author(s): P. Bruno; F. Leone; E. Oliva; S. Gennari; I. Mochi; L. Origlia
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Paper Abstract

GIANO-TNG is an ultra-stable infrared (0.9-2.5 μm) high resolution cross-dispersed spectrometer designed to operate at a fixed position relative to the telescope axis. It therefore requires a pre-slit opto-mechanical system which takes care of field de-rotation and auto-guiding. Taking advantage of the structure already existing for SARG (the high resolution optical spectrometer of the Telescopio Nazionale Galileo, TNG) we are developing a system which provides a large (2 arcmin) field of view for offset guiding and includes, as separate and selectable elements, a gas absorption cell and a polarimetric module where the analyzers work in a collimated beam.

Paper Details

Date Published: 29 June 2006
PDF: 10 pages
Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 626941 (29 June 2006); doi: 10.1117/12.670365
Show Author Affiliations
P. Bruno, INAF, Osservatorio di Catania (Italy)
F. Leone, INAF, Osservatorio di Catania (Italy)
E. Oliva, INAF, Osservatorio di Arcetri (Italy)
Telescopio Nazionale Galileo (Spain)
S. Gennari, INAF, Osservatorio di Arcetri (Italy)
I. Mochi, INAF, Osservatorio di Arcetri (Italy)
L. Origlia, INAF, Osservatorio di Bologna (Italy)

Published in SPIE Proceedings Vol. 6269:
Ground-based and Airborne Instrumentation for Astronomy
Ian S. McLean; Masanori Iye, Editor(s)

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