Bibring, J.-P. and Lamy, P. and Langevin, Y. and Soufflot, A. and Berthé, M. and Borg, J. and Poulet, F. and Mottola, S. (2007) CIVA. Space Science Reviews. Springer. DOI: 10.1007/s11214-006-9135-5. ISSN 1572-9672.
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Official URL: http://www.springerlink.com/content/d164425233r20551/
CIVA (Comet Infrared and Visible Analyser) is an integrated set of imaging instruments, designed to characterize the 360◦ panorama (CIVA-P) as seen from the Rosetta Lander Philae, and to study surface and subsurface samples (CIVA-M). CIVA-P is a panoramic stereo camera, while CIVA-M is an optical microscope coupled to a near infrared microscopic hyperspectral imager. CIVA shares a common Imaging Main Electronics (IME) with ROLIS. CIVA-P will characterize the landing site, with an angular sampling (IFOV) of 1.1 mrad: each pixel will image a 1mm size feature at the distance of the landing legs, and a few metres at the local horizon. The panorama will be mapped by 6 identical miniaturized micro-cameras covering contiguous FOV, with their optical axis 60◦ apart. Stereoscopic capability will be provided by an additional micro-camera, identical to and co-aligned with one of the panoramic micro-camera, with its optical axis displaced by 10 cm. CIVA-M combines two ultra-compact and miniaturised microscopes, one operating in the visible and one constituting an IR hyperspectral imaging spectrometer: they will characterize, by non-destructive analyses, the texture, the albedo, the molecular and the mineralogical composition of each of the samples provided by the Sample Drill and Distribution (SD2) system. For the optical microscope, the spatial sampling is 7μm; for the IR, the spectral range (1–4μm) and the spectral sampling (5 nm) have been chosen to allow identification of most minerals, ices and organics, on each pixel, 40μm in size. After being studied by CIVA, the sample could be analysed by a subsequent experiment (PTOLEMY and/or COSAC). The processwould be repeated for each sample obtained at different depths and/or locations.
|Additional Information:||bisher nur Online-Veröffentlichung, Druck folgt noch|
|Date:||21 February 2007|
|Journal or Publication Title:||Space Science Reviews|
|In ISI Web of Science:||Yes|
|Keywords:||Cometary composition, in-situ imaging, microscopic analyses|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W EW - Erforschung des Weltraums|
|DLR - Research area:||Space|
|DLR - Program:||W EW - Erforschung des Weltraums|
|DLR - Research theme (Project):||W - Projekt ROSETTA Instrumente (old)|
|Institutes and Institutions:||Institute of Planetary Research > Asteroids and Comets|
|Deposited By:||Dr.phys. Stefano Mottola|
|Deposited On:||14 Mar 2007|
|Last Modified:||27 Apr 2009 13:35|
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