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http://hdl.handle.net/20.500.12386/27030
Titolo: | Asteroid polarimetry : validation run on the CAPS polarimeter | Autori: | Devogèle, M. CELLINO, Alberto Massone, G. Bagnulo, S. PERNECHELE, Claudio Bendjoya, Ph. Dimur, C. Rivet, J. -P. Vernet, D. Suarez, O. |
Data pubblicazione: | 2015 | Titolo del volume in cui è pubblicato il poster: | European Planetary Science Congress 2015 (EPCS) | Da pagina:: | 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. | Titolo del convegno: | European Planetary Science Congress 2015 (EPCS) | Luogo del convegno: | La Cité des Congrès, Nantes, France | Periodo del convegno: | 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 |
È visualizzato nelle collezioni: | 3.02 Abstract in Atti di convegno |
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