The filtering of interstellar dust in the solar system
- V. J. Sterken
- N. Altobelli
- S. Kempf
- H. Krüger
- R. Srama
- P. Strub
- E. Grün
DOIAbstract
Context. Theoretical predictions demonstrate that small (<0.1 μm) interstellar grains are mostly excluded from reaching the planetary system by electromagnetic interactions in the heliopause region and in the inner heliosphere. Bigger interstellar grains have been recorded in the planetary system by dust measurements on board Ulysses and other spacecraft. It was found that the interstellar dust flux is modulated by the interplanetary magnetic field. Aims. The objective of this study is to analyze the heliospheric filtering of the interstellar dust flow through the solar system and throughout the solar cycle. In the heliosphere the dynamics of interstellar dust is governed by the gravitational pull of the Sun, by the repulsion of sol...
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