Virtis-H: an infrared spectrometer for the Rosetta mission -- calibration results

Réess, Jean-Michel; Drossart, P.; Sémery, Alain; Bouyé, M.; Dupuis, Olivier; Hello, Y.; Huntzinger, G.; Kouach, Driss; Parisot, J.; Tiphéne, D.; Romon, J.; Ghomchi, Y.; Bibring, Jean‐Pierre; Bonello, G.; Érard, S.; Gondet, B.; Langevin, Y.; Soufflot, A.; Coradini, A.; Capaccioni, F.; Suetta, Enrico; Dami, Michele; Cisbani, A.; Pasqui, Claudio; Veltroni, I. Ficai; Arnold, Gabriele; Benkhoff, J.; Peters, G.

doi:10.1117/12.450813

Cited by 2 publications

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“…Preliminary reflectance spectra acquired with the flight model ofVIRTIS-H on a set of materials, including samples from our laboratory, are shown in Fig. 1 (Reess et al, 2002). The spectra will be used for additional calibration procedures and for comparison with our laboratory spectra of the same samples.…”

Section: Silicatementioning

confidence: 99%

Production, processing and characterization techniques for cosmic dust analogues

Rotundi

Brucato

Colangeli

et al. 2002

Meteorit & Planetary Scien

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Abstract-The laboratory analyses of cosmic dust analogues-that in the context ofthis paper include interstellar, circumstellar as well as cometary dust-have a critical role in the study of circumstellar and cometary dust. The morphological, structural and chemical characterization of these analogues are critical for comparisons oftheir infrared and ultraviolet spectra with those obtained by astronomical observations, as well as for modeling purposes. Besides, the results from these laboratory studies are important to the success of space missions to comets when testing and calibrating the payload instruments. The interpretations of returned scientific data would benefit from the comparison with data recorded by the instruments in a laboratory setting for different classes ofpreviously characterized analogues. We produced various types ofcondensed samples: (1) Mg,Fe-silicates, (olivine, pyroxene), (2) carbon-rich dust, and (3) mixed carbon-silicate dust. The samples were prepared using different techniques, viz. (1) laser bombardment of solid targets in an Ar and 02 atmosphere, (2) arc discharge in an Ar and H2 atmosphere, and (3) grinding powders of natural minerals. We simulated various post-condensation processes, such as thermal annealing, ultraviolet irradiation, ion bombardment and exposure to atomic hydrogen. These processes produced compound samples of a wide range of physico-chemical properties. To identify their textures, morphologies, grain compositions and crystallographic properties we used electron microscopy and far-ultraviolet to far-infrared (millimeter range) spectroscopy.

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Section: Silicatementioning

confidence: 99%