Abstract.
We are conducting a large survey to detect extrasolar planets by high precision Doppler spectroscopy using the new swiss Euler telescope and the spetrograph CORALIE. The sample includes 1600 nearby G and K stars from the southern hemisphere. The simultaneous thorium technique is used to reach very high precision radial velocity measurements. Less than 6 months after the setup of the instrument two planetary candidates have been detected. Almost 20 planetary candidates have been discovered by various high precision Doppler spectroscopy surveys. The semi-major axis of the planetary candidate orbits ranges from very small (0.05 AU) to 3 AU. Some have eccentric orbits, others have a more massive secondary companion, some have both. This large spread in orbital characteristics is difficult to fit into a single formation scenario. Current results also suggest a planet maximum mass around 7-9 M J .
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Queloz, D. et al. Extrasolar Planets in the Southern Hemisphere: The CORALIE Survey. In: Bergeron, J., Renzini, A. (eds) From Extrasolar Planets to Cosmology: The VLT Opening Symposium. ESO ASTROPHYSICS SYMPOSIA. Springer, Berlin, Heidelberg. https://doi.org/10.1007/10720961_79
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DOI: https://doi.org/10.1007/10720961_79
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Publisher Name: Springer, Berlin, Heidelberg
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