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The relationship between the magnetic field in the Martian magnetotail and upstream solar wind parametersMagnetic field data measured by the MAGMA instrument in the Martian magnetotail lobes are compared with the ram pressure of the upstream solar wind observed by the TAUS instrument in the circular orbits of the Phobos 2 spacecraft. High correlation was found between the magnetic field intensity in the Martian magnetotail lobes and the solar wind ram pressure. From this relationship the average flaring angle of the Martian magnetotail was determined as approximately 13 deg, and the average magnetosonic Mach number was estimated as approximately 5. The observed relationship between the Martian magnetotail magnetic field intensity and the solar wind magnetic field reflects the correlation of the solar wind magnetic field to the ram pressure providing a value of approximately 7 for the average Alfvenic Mach number. The flaring angle obtained for the Martian magnetotail was found to be an intermediate value between the flaring angle of the magnetotail of the Earth and that of Venus at comparable distances.
Document ID
19950057053
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Rosenbauer, H.
(Max-Planck-Institut fuer Aeronomie Katlenburg-Lindau, Germany)
Verigin, M. I.
(Space Research Institute Moscow, Russia)
Kotova, G. A.
(Space Research Institute Moscow, Russia)
Livi, S.
(Max-Planck-Institut fuer Aeronomie Katlenburg-Lindau, Germany)
Remizov, A. P.
(Space Research Institute Moscow, Russia)
Riedler, W.
(Institut fuer Weltraumforschung OAW Graz, Austria)
Schwingenschuh, K.
(Institut fuer Weltraumforschung OAW Graz, Austria)
Shutte, N. M.
(Space Research Institute Moscow, Russia)
Slavin, J. A.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Szego, K.
(KFKI Research Inst. for Particle and Nuclear Physics Budapest, Hungary)
Date Acquired
August 16, 2013
Publication Date
September 1, 1994
Publication Information
Publication: Journal of Geophysical Research
Volume: 99
Issue: A9
ISSN: 0148-0227
Subject Category
Astrophysics
Accession Number
95A88652
Distribution Limits
Public
Copyright
Other

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