Astronomy and Astrophysics – Astrophysics
Scientific paper
2007-05-13
Science 316:875-878,2007
Astronomy and Astrophysics
Astrophysics
Scientific paper
10.1126/science.1139480
The orientation of the local interstellar magnetic field introduces asymmetries in the heliosphere that affect the location of heliospheric radio emissions and the streaming direction of ions from the termination shock of the solar wind. We combine observations of radio emissions and energetic particle streaming with extensive 3D MHD computer simulations of magnetic field draping over the heliopause to show that the plane of the local interstellar field is ~ 60-90 degrees from the galactic plane. This suggests that the field orientation in the Local Interstellar Cloud differs from that of a larger scale interstellar magnetic field thought to parallel the galactic plane.
Gombosi Tamas I.
Opher Merav
Stone Edward C.
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