Unsteady processes in the solar wind interaction with the local interstellar medium

Авторы: Pogorelov N.V., Borovikov S.N., Kryukov I.A., Shaikh D., Zank G.P.
Сборник: TURBULENCE AND NONLINEAR PROCESSES IN ASTROPHYSICAL PLASMAS: 6th Annual International Astrophysics Conference
Серия: AIP Conference Proceedings
Том: 932
Год издания: 2007
Место издания: AIP
Первая страница: 129
Последняя страница: 136
DOI: 10.1063/1.2778955
Аннотация: In this paper we discuss physical phenomena that could make the solar wind (SW) termination shock (TS) asymmetric enough to explain observations made by the Voyager 2 spacecraft that suggest that the TS is closer to the Sun by about 12 AU in the Voyager 2 than in the Voyager 1 direction. It is shown that the interstellar magnetic field (ISMF) itself is very unlikely to be solely responsible. Unsteady phenomena are suggested as another possibility. We consider the cases of a SW velocity perturbation propagating through the heliosphere, the 11‐year‐cycle SW‐LISM interaction, the instability of the heliopause, and the TS interaction with a randomly perturbed SW The results are obtained using a multi‐fluid approximation for the SW interaction with the local interstellar medium (LISM).
Добавил в систему: Крюков Игорь Анатольевич

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