Characterization of the HCl-HBr-HI gas absorption cell for GIANO-TNG

Francesco D'Amato; Silvia Viciani; Ernesto Oliva; Livia Origlia; Iacopo Mochi

doi:10.1117/12.788231

11 July 2008 Characterization of the HCl-HBr-HI gas absorption cell for GIANO-TNG

Francesco D'Amato, Silvia Viciani, Ernesto Oliva, Livia Origlia, Iacopo Mochi

Proceedings Volume 7014, Ground-based and Airborne Instrumentation for Astronomy II; 70143V (2008) https://doi.org/10.1117/12.788231
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

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.

Citation Download Citation

Francesco D'Amato, Silvia Viciani, Ernesto Oliva, Livia Origlia, and Iacopo Mochi "Characterization of the HCl-HBr-HI gas absorption cell for GIANO-TNG", Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70143V (11 July 2008); https://doi.org/10.1117/12.788231

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