Saturn kilometric radiation as a monitor for the solar wind?
| Autor: | Philippe Zarka, Mykhaylo Panchenko, David J. McComas, Patrick H. M. Galopeau, Mohammed Y. Boudjada, C. H. Barrow, Helmut O. Rucker, John T. Steinberg, Kirk C. Hansen, U. Taubenschuss, William S. Kurth, Michele K. Dougherty |
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| Přispěvatelé: | Space Research Institute of Austrian Academy of Sciences (IWF), Austrian Academy of Sciences (OeAW), University of Michigan [Ann Arbor], University of Michigan System, University of Iowa [Iowa City], Imperial College London, Los Alamos National Laboratory (LANL), Laboratoire d'études spatiales et d'instrumentation en astrophysique (LESIA), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Centre d'étude des environnements terrestre et planétaires (CETP), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Southwest Research Institute [San Antonio] (SwRI), Max-Planck-Institut für Aeronomie (MPI Aeronomie), Max-Planck-Gesellschaft |
| Rok vydání: | 2008 |
| Předmět: |
Atmospheric Science
010504 meteorology & atmospheric sciences Aerospace Engineering Atmospheric sciences 01 natural sciences 0103 physical sciences Coronal mass ejection Astrophysics::Solar and Stellar Astrophysics 010303 astronomy & astrophysics Physics::Atmospheric and Oceanic Physics 0105 earth and related environmental sciences Physics [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph] Energetic neutral atom Astronomy and Astrophysics Plasma Ram pressure Solar wind Geophysics 13. Climate action Space and Planetary Science Magnetosphere of Saturn Physics::Space Physics General Earth and Planetary Sciences Magnetopause Astrophysics::Earth and Planetary Astrophysics Orbit insertion |
| Zdroj: | Advances in Space Research Advances in Space Research, Elsevier, 2008, 42 (1), pp.40-47. ⟨10.1016/j.asr.2008.02.008⟩ Advances in Space Research, 2008, 42 (1), pp.40-47. ⟨10.1016/j.asr.2008.02.008⟩ |
| ISSN: | 0273-1177 |
| DOI: | 10.1016/j.asr.2008.02.008 |
| Popis: | Since the Voyager mission it is known that Saturn Kilometric Radiation (SKR) is strongly influenced by external forces, i.e., the solar wind and in particular the solar wind ram pressure. Recent studies using Cassini data essentially confirmed these findings for particular periods during the first Cassini orbit of Saturn. The data coverage of SKR by the Cassini/RPWS experiment for the period of six months prior to Saturn Orbit Insertion (July 1, 2004) is rather continuous, whereas there are gaps in the solar wind plasma data. The strong correlation of SKR with the solar wind may provide an indication on the variations of the solar wind plasma, specifically during the gap periods. These periods lacking solar wind data are substituted by Ulysses solar wind data which have been propagated over ∼4 AU, applying magnetohydrodynamic propagation models. Cross correlation studies showed that Ulysses solar wind data can be taken as a substitute for missing Cassini data. The use of SKR as monitor for solar wind variations is discussed. With the present set of observations the SKR proxy lacks significant reliability. |
| Databáze: | OpenAIRE |
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