Structure and elastic parameters of the near surface of Abydos site on comet 67P/Churyumov–Gerasimenko, as obtained by SESAME/CASSE listening to the MUPUS insertion phase

Martin Knapmeyer,Hans-Herbert Fischer,Jörg Knollenberg,Klaus J. Seidensticker,K. Thiel,Walter Arnold, Claudia Faber,D. Möhlmann

Icarus（2018）

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摘要

•SESAME recorded surface waves caused by the hammering of MUPUS.•Frequency dependent velocity suggests consolidated 10-50 cm top layer.•Young's modulus in this layer at least 7.2 MPa.•Shear wave velocity reduced by more than 30 % underneath this layer.

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关键词

SESAME,CASSE,MUPUS,Comet 67P/Churyumov–Gerasimenko,Active seismics

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