The Solar Wind interactions with Lunar Magnetic Anomalies: A case study of the Chang’E-2 plasma data near the Serenitatis antipode |
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| Authors: | X-Q Wang J Cui X-D Wang J-J Liu H-B Zhang W Zuo Y Su W-B Wen H Rème I Dandouras C Aoustin M Wang X Tan J Shen F Wang Q Fu C-L Li Z-Y Ouyang |
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| Institution: | 1. National Astronomical Observatories, Chinese Academy of Sciences, A20 Datun Road, Beijing 100012, China;2. Université de Toulouse, UPS-OMP, IRAP, Toulouse, France;3. CNRS, IRAP, 9 avenue du colonel Roche, BP44346, 31028 Toulouse cedex, France;4. Yunan Astronomical Observatory, Chinese Academy of Sciences, Phoenix Hill, Kunming 650011, China |
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| Abstract: | 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 ∼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. |
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| Keywords: | Lunar Magnetic Anomaly Mini-magnetosphere |
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