T. Rauch (1), P. Quinet (2, 3), M. Knoerzer (1), D. Hoyer (1), K. Werner (1), J. W. Kruk (5), M. Demleitner (6) ((1) Institute for Astronomy, Astrophysics, Eberhard Karls University, Tuebingen, Germany, (2) Physique Atomique et Astrophysique, Universite de Mons - UMONS, Belgium, (3) IPNAS, Universite de Liege, Liege, Belgium, (4) Institute of Physics, Astronomy, University of Potsdam, Golm, Germany, (5) NASA Goddard Space Flight Center, Greenbelt, USA, (6) Astronomisches Rechen-Institut (ARI), Centre for Astronomy of Heidelberg University, Heidelberg, Germany)
