Astronomy and Astrophysics – Astronomy
Scientific paper
May 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003dps....35.1908l&link_type=abstract
American Astronomical Society, DPS meeting #35, #19.08; Bulletin of the American Astronomical Society, Vol. 35, p.949
Astronomy and Astrophysics
Astronomy
Scientific paper
The ASPERA-3 experiment on Mars Express (MEX) includes the capability of measuring 0.01 to 40 keV/q ions of solar wind and planetary origin (H+, H2+, He+, O+), and 0.01 to 20 keV electrons (Barabash et al., EGS presentation, 2000, on-line at http://www.aspera-3.org/). Although the MEX payload does not include a magnetometer, ASPERA-3's particle measurements can provide substantial information on Mars crustal magnetic field both locally, via anisotropy measurements, and below the spacecraft via reflectometry techniques similar to those used in the MGS MAG/ER experiment (Mitchell et al., JGR, 106, p.23,419, 2001). This poster explores these possibilities using test particles in the ASPERA-3 energy and species ranges launched into the Purucker et al. model of the crustal field (Purucker, M., et al., GRL, 27, 2449, 2000), assuming various behaviors for the prevailing external field in Mars' solar wind wake and the Martian nightside atmosphere.
Barabash Stas
Brecht Stephen H.
Ledvina Stephen A.
Luhmann Janet G.
Winningham D. D.
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