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16 November 2000 VIRTIS-H: a high-spectral-resolution channel for the Rosetta infrared imaging spectrometer
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VIRTIS, the infrared imaging spectrometer of the ESA/ROSETTA mission, to be launched in January 2003, is devoted to the in-orbit remote sensing study of comet P/46 Wirtanen. Within the infrared imaging spectrometer VIRTIS, the high spectral resolution channel, VIRTIS-H, has for main scientific objectives to study the fine spectral details of the coma and cometary nucleus, with their composition and physical parameters, in parallel with the imaging spectrometer channel VIRTIS-M. The instrument is a cross-dispersor spectrometer, working in the range 2 - 5 micrometers , at about approximately 1200 spectral resolving power. Its design consists of a telescope, an entrance slit, followed by a collimator, and a prism separating 8 orders of a grating
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Pierre Drossart, Alain Semery, Marc Bouye, Yann Hello, Gerard Huntzinger, Driss Kouach, Jean-Michel Reess, Didier Tiphene, Y. Ghomchi, Angioletta Coradini, Fabrizio Capaccioni, Gabriele Arnold, and Johann Benkhoff "VIRTIS-H: a high-spectral-resolution channel for the Rosetta infrared imaging spectrometer", Proc. SPIE 4131, Infrared Spaceborne Remote Sensing VIII, (16 November 2000);

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