Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/27030
Title: | Asteroid polarimetry : validation run on the CAPS polarimeter | Authors: | Devogèle, M. CELLINO, Alberto Massone, G. Bagnulo, S. PERNECHELE, Claudio Bendjoya, Ph. Dimur, C. Rivet, J. -P. Vernet, D. Suarez, O. |
Issue Date: | 2015 | Volume: | European Planetary Science Congress 2015 (EPCS) | First Page: | EPSC2015-469 | Abstract: | Polarimetric study of atmospherless bodies is a powerful tool to determine their physical properties (albedo, diameter) [1]. The "Calern Asteroids Polarimetric Survey" polarimeter has been designed for this purpose. It is a "single shot" CCD polarimeter based on a "double-Wollaston" configuration [3, 4]. This allows to measure simultaneously the three Stokes parameters I, Q and U without any moving parts. This instrument has been designed for the F/12.5 Cassegrain focus of the 1 meter West telescope of the "Centre Pédagogique Planète et Univers" facility (C2PU, Observatoire de la Côte d'Azur, Plateau de Calern, France). We present in this talk the first calibration and measurements made with CAPS. The results show that the instrument remained stable with a precision of 10-4 during the whole observing campaign (two months). We also present the very first polarimetric measurements on 30 main belt asteroids, in good agreement with previously published results. | Conference Name: | European Planetary Science Congress 2015 (EPCS) | Conference Place: | La Cité des Congrès, Nantes, France | Conference Date: | 27 September-2 October, 2015 | URI: | http://hdl.handle.net/20.500.12386/27030 | URL: | https://www.epsc2015.eu/ | Bibcode ADS: | 2015EPSC...10..469D | Fulltext: | open |
Appears in Collections: | 3.02 Abstract in Atti di convegno |
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EPSC2015-469.pdf | PDF editoriale | 95.83 kB | Adobe PDF | View/Open |
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