In situ dust measurements in the inner Saturnian system
Srama, R. and Kempf, S. and Moragas-Klostermeyer, G. and Helfert, S. and Ahrens, T. J. and Altobelli, N. and Auer, S. and Beckmann, U. and Bradley, J. G. and Burton, M. and Dikarev, V. V. and Economou, T. and Fechtig, H. and Green, S. F. and Grande, M. and Havnes, O. and Hillier, J. K. and Horanyi, M. and Igenbergs, E. and Jessberger, E. K. and Johnson, T. V. and Krüger, M. and Matt, G. and McBride, N. and Mocker, A. and Lamy, P. and Linkert, D. and Linkert, G. and Lura, F. and McDonnell, J. A. M. and Möhlmann, D. and Morfill, G. E. and Postberg, F. and Roy, M. and Schwehm, G. H. and Spahn, F. and Svestka, J. and Tschernjawski, V. and Tuzzolino, A. J. and Wäsch, R. and Grün, E. (2006) In situ dust measurements in the inner Saturnian system. Planetary and Space Science, 54 (9-10), pp. 967-987. Elsevier. DOI: 10.1016/j.psss.2006.05.021.
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In July 2004 the Cassini-Huygens mission reached the Saturnian system and started ist orbital tour. A total of 75 orbits will be carried out during the primary mission until August 2008. In these four years Cassini crosses the ring plane 150 times and spends approx. 400 h within Titan's orbit. The Cosmic Dust Analyser (CDA) onboard Cassini characterises the dust environment with its extended E ring and embedded moons. Here, we focus on the CDA resuts of the first year and we present the Dust Analyser (DA) data within Titan's orbit. This paper does investigate High Rate Detector data and dust composition measurements. The authors focus on the analysis of impact rates, which were strongly variable primarily due to changes of the spacecraft pointing. An overview is given about the ring plane crossings and the DA counter measurements. The DA dust impact rates are compared with the DA boresight configuration around all ring plane crossings between June 2004 and July 2005. Dust impacts were registered at altitudes as high as 100 000 km above the ring plane at distance from Saturn between 4 and 10 Saturn radii. In those regions the dust density of particles bigger than 0,5 µm can reach values of 0.001 m <sup>-3</sup>.
|Title:||In situ dust measurements in the inner Saturnian system|
|Journal or Publication Title:||Planetary and Space Science|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 967-987|
|Keywords:||Cassini, dust, CDA, E-ring, water ice|
|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 - Vorhaben CASSINI (old)|
|Institutes and Institutions:||Institute of Planetary Research|
Institute of Composite Structures and Adaptive Systems > System Conditioning
|Deposited By:||Susanne Pieth|
|Deposited On:||28 Aug 2006|
|Last Modified:||27 Apr 2009 13:02|
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