Can the Martian magnetic anomalies make for the ionosphere escape?

Details Can the Martian magnetic anomalies make for the ionosphere escape? Can the Martian magnetic anomalies make for the ionosphere escape?

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsa12a..04f&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SA12A-04

Physics

[2459] Ionosphere / Planetary Ionospheres, [2780] Magnetospheric Physics / Solar Wind Interactions With Unmagnetized Bodies

Scientific paper

Looking forward to the MAVEN mission, it seems very useful to return to Mars Express data to refresh an important problem of Martian atmosphere escape: what role the crustal magnetic field may play in this process? There are several publications on this topic with completely opposite conclusions. We are trying to use a new approach to this problem. On the base of a statistical study of the ion and electron distributions in the Martian magnetotail we show that the characteristic accelerated and thermalized distributions are not associated with the magnetic anomalies but only with interplanetary magnetic field clock angle. However the presence of the X-aligned crustal magnetic field provides a channel that can guide the heated plasmasheet electrons toward the ionosphere.

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