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Proceedings Paper • Open Access

Probing the hermean exosphere by ultraviolet spectroscopy (PHEBUS): optical simulation of an ultraviolet spectrometer
Author(s): Nicolas Rouanet; Carole Gouvret; Christian Buil; Pierre Etcheto; Jean-Luc Maria; Jean-Jacques Correia; Jean-Pierre Goutail; François Leblanc; Eric Quémerais; Philippe-Jean Hébert; Eric Chassefiere

Paper Abstract

PHEBUS (Probing of Hermean Exosphere by Ultraviolet Spectroscopy) consists of an ultraviolet spectrometer for the MPO (Mercury Planetary Orbiter) of the Bepi-Colombo Mission.

The goal of this instrument is to detect emission lines of Mercury exosphere in the bandwidth from 55 to 315 nm by recording full spectra. This instrument is made of an entrance mobile baffle, which is necessary to scan vertically the Mercury atmosphere, an off-axis mirror entrance, a slit, two gratings and two detectors. A few different designs, simulated by optical software, are analysed in this paper. They provide essential results as the instrument spectral resolution. Besides a radiometric model is established to observe the spectra we would obtain on the detectors.

Paper Details

Date Published: 21 November 2017
PDF: 7 pages
Proc. SPIE 10567, International Conference on Space Optics — ICSO 2006, 105671S (21 November 2017); doi: 10.1117/12.2308071
Show Author Affiliations
Nicolas Rouanet, CNRS-IPSL (France)
Carole Gouvret, CNRS-IPSL (France)
Christian Buil, Ctr. National d'Études Spatiales (France)
Pierre Etcheto, Ctr. National d'Études Spatiales (France)
Jean-Luc Maria, CNRS-IPSL (France)
Jean-Jacques Correia, CNRS-IPSL (France)
Jean-Pierre Goutail, CNRS-IPSL (France)
François Leblanc, CNRS-IPSL (France)
Eric Quémerais, CNRS-IPSL (France)
Philippe-Jean Hébert, Ctr. National d'Études Spatiales (France)
Eric Chassefiere, CNRS-IPSL (France)

Published in SPIE Proceedings Vol. 10567:
International Conference on Space Optics — ICSO 2006
Errico Armandillo; Josiane Costeraste; Nikos Karafolas, Editor(s)

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