Mapping of the cusp plasma precipitation on the surface of Mercury (Articolo in rivista)

Type
Label
  • Mapping of the cusp plasma precipitation on the surface of Mercury (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • Massetti S., S. Orsini, A. Milillo, A. Mura, E. De Angelis, H. Lammer and P. Wurz (2003)
    Mapping of the cusp plasma precipitation on the surface of Mercury
    in Icarus (N.Y.N.Y. 1962)
    (literal)
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  • Massetti S., S. Orsini, A. Milillo, A. Mura, E. De Angelis, H. Lammer and P. Wurz (literal)
Pagina inizio
  • 229 (literal)
Pagina fine
  • 237 (literal)
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  • 166 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#descrizioneSinteticaDelProdotto
  • Modelling of the plasma precipitation through the cusp of the Mercury's magnetosphere, as a function of both the solar wind and the interplanetary magnetic field variability. Analysis of the effects on the Sodium and Oxygen production via the surface sputtering mechanism. (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • - Istituto di Fisica dello Spazio Interplanetario, Consiglio Nazionale delle Ricerche, via Fosso del Cavaliere 100, I-00133 Roma, Italy. - Space Research Institute, Dep. of Extraterrestrial Physics, Austrian Academy of Sciences, Schmiedlstr. 6, A-8042 Graz, Austria. - Physikalisches Institut, University of Bern, Sidlerstr. 5, CH-3012 Bern, Switzerland. (literal)
Titolo
  • Mapping of the cusp plasma precipitation on the surface of Mercury (literal)
Abstract
  • The presence of a magnetosphere around Mercury plays a fundamental role on the way the solar wind plasma interacts with the planet. Since the observations suggest that Mercury should occupy a large fraction of its magnetosphere and because of lack of an atmosphere, significant differences in solar wind-magnetosphere coupling are expected to exist with respect to the Earth case. On the basis of a modified Tsyganenko T96 model we describe the geometry of the magnetic field that could characterize Mercury, and its response to the variations of the impinging solar wind and of the interplanetary magnetic field. The investigation is focused on the shape and dimension of the open magnetic field regions (cusps) that allow the direct penetration of magnetosheath plasma through the exosphere of Mercury, down to its surface. The precipitating particle flux and energy are evaluated as a function of the open field line position, according to different solar wind conditions. A target of this study is the evaluation of the sputtered particles from the crust of the planet, and their contribution to the exospheric neutral particle populations. Such estimates are valuable in the frame of a neutral particle analyser to be proposed on board of the ESA/BepiColombo mission. (literal)
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