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An Extraordinary Magnetic Field Map of MarsThe Mars Global Surveyor spacecraft has completed two Mars years in nearly circular polar orbit at a nominal altitude of 400 km. The Mars crust is at least an order of magnitude more intensely magnetized than that of the Earth [1], and intriguing in both its global distribution and geometric properties [2,3]. Measurements of the vector magnetic field have been used to map the magnetic field of crustal origin to high accuracy [4]. We present here a new map of the magnetic field with an order of magnitude increased sensitivity to crustal magnetization. The map is assembled from > 2 full years of MGS night-side observations, and uses along-track filtering to greatly reduce noise due to external field variations.
Document ID
20040062160
Acquisition Source
Johnson Space Center
Document Type
Conference Paper
Authors
Connerney, J. E. P.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Acuna, M. H.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Ness, N. F.
(Delaware Univ. Newark, DE, United States)
Mitchell, D. L.
(California Univ. Berkeley, CA, United States)
Lin, R. P.
(California Univ. Berkeley, CA, United States)
Date Acquired
August 21, 2013
Publication Date
January 1, 2004
Publication Information
Publication: Lunar and Planetary Science XXXV: Mars Geophysics
Subject Category
Lunar And Planetary Science And Exploration
Distribution Limits
Public
Copyright
Public Use Permitted.
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