The Solar Wind Interactions with Lunar Magnetic Anomalies: A Case Study of the Chang’E-2 Plasma Data Near the Serenitatis Antipode
Advances in space research(2012)
摘要
In this paper, we present the first and preliminary results on the near-Moon plasma environment, based on the spectrogram data obtained with the Solar Wind Ion Detector (SWID) onboard Chang'E-2 from four lunar orbits on 10-11 Oct 2010. These orbits, at a constant altitude of similar to 100 km, approach gradually the Lunar Magnetic Anomaly (LMA) at the Serenitatis antipode. The data reveal tentatively a region with decrement in proton density and enhancement in temperature. The near coincidence of this region with the Serenitatis antipode probably suggests the presence of a minimagnetosphere associated with the LMA, which effectively shields and heats the incident Solar Wind (SW) protons. (C) 2011 COSPAR. Published by Elsevier Ltd. All rights reserved.
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关键词
Lunar Magnetic Anomaly,Mini-magnetosphere
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