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Exoplanet status report: Observation, characterization and evolution of exoplanets and their host stars |
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| Authors: | H Lammer A Hanslmeier J Schneider I K Stateva M Barthelemy A Belu D Bisikalo M Bonavita V Eybl V Coudé du Foresto M Fridlund R Dvorak S Eggl J -M Grießmeier M Güdel E Günther W Hausleitner M Holmström E Kallio M L Khodachenko A A Konovalenko S Krauss L V Ksanfomality Yu N Kulikov K Kyslyakova M Leitzinger R Liseau E Lohinger P Odert E Palle A Reiners I Ribas H O Rucker N Sarda J Seckbach V I Shematovich A Sozzetti A Tavrov M Xiang-Grüß |
| Institution: | 1. Space Research Institute (IWF), Austrian Academy of Sciences, Graz, Austria 2. Institute for Geophysics and Meteorology (IGAM), University of Graz, Graz, Austria 3. Observatoire Paris-Site de Meudon (LUTH), Paris, France 4. European Science Foundation, Standing Committee for Physical and Engineering Sciences, Strasbourg, France 5. Laboratoire de Planétologie de Grenoble (CNRS-UJF), Grenoble, France 6. Université de Bordeaux, Bordeaux, France 7. Institut for Astronomy (INASAN), Russian Academy of Sciences, Moscow, Russia 8. Osservatorio Astronomico di Padova (INAF), Padova, Italy 9. Institute for Astronomy, University of Vienna, Vienna, Austria 10. Observatoiré de Paris (LESIA), Paris, France 11. European Space Agency (ESA), ESTEC, Noordwijk, The Netherlands 19. Polar Geophysical Institute (PGI), Russian Academy of Sciences, Murmansk, Russia 12. ASTRON, Dwingeloo, The Netherlands 13. Zürich Astrophysics Institute of Astronomy (ETH), Zürich, Switzerland 14. Instituto de Astrofisica de Canarias, Tenerife, Spain 15. The Swedish Institute of Space Physics, Kiruna, Sweden 16. Finish Meteorological Institute (FMI), Helsinki, Finland 17. Institute of Radio Astronomy in Kharkov of the Ukrainian Academy of Sciences, Kharkov, Ukraine 18. Space Research Institute (IKI), Russian Academy of Sciences, Moscow, Russia 20. N.I. Lobachevsky State University, Nizhny Novgorod, Russia 21. Onsala Space Observatory Chalmers University of Technology, Onsala, Sweden 22. Institut für Astrophysik, Universitát G?ttingen, G?ttingen, Germany 23. Institut d’Estudis Espacials de Catalunya, Barcelona, Spain 24. Astrium Ltd, Stevenage, UK 25. The Hebrew University of Jerusalem, Jerusalem, Israel 26. INAF—Osservatorio Astronomico di Torino, Torino, Italy 27. Institut für Theoretische Physik und Astrophysik, Universitát zu Kiel, Kiel, Germany |
| Abstract: | After the discovery of more than 400 planets beyond our Solar System, the characterization of exoplanets as well as their host stars can be considered as one of the fastest growing fields in space science during the past decade. The characterization of exoplanets can only be carried out in a well coordinated interdisciplinary way which connects planetary science, solar/stellar physics and astrophysics. We present a status report on the characterization of exoplanets and their host stars by reviewing the relevant space- and ground-based projects. One finds that the previous strategy changed from space mission concepts which were designed to search, find and characterize Earth-like rocky exoplanets to: A statistical study of planetary objects in order to get information about their abundance, an identification of potential target and finally its analysis. Spectral analysis of exoplanets is mandatory, particularly to identify bio-signatures on Earth-like planets. Direct characterization of exoplanets should be done by spectroscopy, both in the visible and in the infrared spectral range. The way leading to the direct detection and characterization of exoplanets is then paved by several questions, either concerning the pre-required science or the associated observational strategy. |
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