Chemical Composition of the Semi-Volatile Grains of Comet 67P/Churyumov-Gerasimenko

Peter Wurz1, Kathrin Altwegg1, Hans R Balsiger2, Jean-Jacques Berthelier3, Johan De Keyser4, Björn Fiethe5, Stephen A Fuselier6, Sébastien Gasc7, Tamas I Gombosi8, Axel Korth9, Urs Mall10, Henri Reme3, Martin Rubin2 and Chia-yu Tzou1, (1)University of Bern, Physikalisches Institut, Bern, Switzerland, (2)Physikalisches Institut, University of Bern, Bern, Switzerland, (3)CNRS, Paris Cedex 16, France, (4)Belgian Institute for Space Aeronomy, Brussels, Belgium, (5)Aix Marseille University, CNRS, LAM, Marseille Cedex 03, France, (6)Southwest Research Institute, San Antonio, TX, United States, (7)Pasadena, CA, United States, (8)Univ of Michigan, Ann Arbor, MI, United States, (9)Max Planck Institute for Solar System Research, Katlenburg-Lindau, Germany, (10)Max-Planck-Institut für Sonnensystemforschung, Göttingen, Germany