MAVEN proton observations near the Martian moon Phobos: does Phobos backscatter solar wind protons?

Aurélien Deniau, ISAE-Supaéro, Toulouse, France, Quentin Nénon, IRAP: Institut de Recherche en Astrophysique et Planetologie, Toulouse, France, Nicolas André, IRAP, CNRS, Toulouse, France, Christian Xavier Mazelle, University Paul Sabatier Toulouse III, Toulouse Cedex 09, France, Ali Rahmati, University of California Berkeley, Space Sciences Laboratory, Berkeley, CA, United States, Christopher M Fowler, West Virginia University, Physics and Astronomy, Morgantown, WV, United States, Andrew R Poppe, Space Sciences Laboratory, University of California at Berkeley, Berkeley, CA, United States, James P McFadden, Univ California Berkeley, Berkeley, CA, United States and Emmanuel Penou, Universite Paul Sabatier, TOULOUSE, France