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Proceedings Paper

Characterization of the HCl-HBr-HI gas absorption cell for GIANO-TNG
Author(s): Francesco D'Amato; Silvia Viciani; Ernesto Oliva; Livia Origlia; Iacopo Mochi
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Paper Abstract

GIANO is an high resolution cross-dispersed spectrometer operating at near IR wavelengths (0.9-2.5 microns) which will be soon commissioned at the 3.6m TNG Italian telescope in La Palma. One of its most ambitious aims is searching for earth-like planets with habitable conditions around very cool main sequence stars. This requires measurements of radial velocities with accuracies of a few m/s which can be achieved by means of a gas absorption cell containing a mixture of the halogen-hydrates HCl, HBr and HI. We present here the results of the laboratory work for the construction and characterization of such cell.

Paper Details

Date Published: 11 July 2008
PDF: 8 pages
Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70143V (11 July 2008); doi: 10.1117/12.788231
Show Author Affiliations
Francesco D'Amato, CNR - Istituto Nazionale di Ottica Applicata (Italy)
Silvia Viciani, CNR - Istituto Nazionale di Ottica Applicata (Italy)
Ernesto Oliva, Osservatorio Astrofisico di Arcetri (Italy)
Livia Origlia, Osservatorio Astronomico di Bologna (Italy)
Iacopo Mochi, Osservatorio Astrofisico di Arcetri (Italy)

Published in SPIE Proceedings Vol. 7014:
Ground-based and Airborne Instrumentation for Astronomy II
Ian S. McLean; Mark M. Casali, Editor(s)

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