| Affiliation: | (1) SRON Laboratory for Space Research, Leiden;(2) Institut für Reine und Angewandte Kernphysik, Universität Kiel, Kiel, Germany;(3) SRON Laboratory for Space Research and Astronomical Institute, Utrecht;(4) Astronomy Department of University of Texas at Austin, Austin, USA;(5) Center for Nuclear Resarch at Gif-sur-Yvette, Gif-sur-Yvette, France;(6) Sterrekundig Instituut at Utrecht, Utrecht, The Netherlands;(7) Astronomy Group of the Free University at Brussels, Brussels, Belgium;(8) Sterrewacht Leiden, Leiden, The Netherlands;(9) Astronomical Institute at Bratislava, Bratislava, Slovakia;(10) Linschoten, The Netherlands;(11) DAPNIA/SAp, CE Saclay at Gif-sur-Yvette, Gif-sur-Yvette, France;(12) ESA, SSD/Solar System Division at ESTEC Noordwijk, Noordwijk, The Netherland |
