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Title:
Transiting exoplanets from the CoRoT space mission. IX. CoRoT-6b: a transiting ``hot Jupiter'' planet in an 8.9d orbit around a low-metallicity star
Authors:
Fridlund, M.; Hébrard, G.; Alonso, R.; Deleuil, M.; Gandolfi, D.; Gillon, M.; Bruntt, H.; Alapini, A.; Csizmadia, Sz.; Guillot, T.; Lammer, H.; Aigrain, S.; Almenara, J. M.; Auvergne, M.; Baglin, A.; Barge, P.; Bordé, P.; Bouchy, F.; Cabrera, J.; Carone, L.; Carpano, S.; Deeg, H. J.; de La Reza, R.; Dvorak, R.; Erikson, A.; Ferraz-Mello, S.; Guenther, E.; Gondoin, P.; den Hartog, R.; Hatzes, A.; Jorda, L.; Léger, A.; Llebaria, A.; Magain, P.; Mazeh, T.; Moutou, C.; Ollivier, M.; Pätzold, M.; Queloz, D.; Rauer, H.; Rouan, D.; Samuel, B.; Schneider, J.; Shporer, A.; Stecklum, B.; Tingley, B.; Weingrill, J.; Wuchterl, G.
Affiliation:
AA(Research and Scientific Support Department, European Space Agency, Keplerlaan1, 2200AG, Noordwijk, The Netherlands ), AB(Institut d'Astrophysique de Paris, UMR7095 CNRS, Université Pierre & Marie Curie, 98bis boulevard Arago, 75014 Paris, France), AC(LAM, UMR 6110, CNRS/Univ. de Provence, 38 rue F. Joliot-Curie, 13388 Marseille, France; Observatoire de Genève, Université de Genève, 51 chemindes Maillettes, 1290 Sauverny, Switzerland), AD(LAM, UMR 6110, CNRS/Univ. de Provence, 38 rue F. Joliot-Curie, 13388 Marseille, France), AE(Thüringer Landessternwarte, 07778 Tautenburg, Germany), AF(Observatoire de Genève, Université de Genève, 51 chemindes Maillettes, 1290 Sauverny, Switzerland; IAG Université du Liège, Allée du 6 aôut 17, Liège 1, Belgium), AG(LESIA, Observatoire de Paris-Meudon, 5 place Jules Janssen, 92195 Meudon, France), AH(School of Physics, University of Exeter, Exeter, EX4 4QL, UK), AI(Institute of Planetary Research, DLR, 12489 Berlin, Germany), AJ(Université de Nice Sophia Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, 06304 Nice, France), AK(Space Research Institute, Austrian Academy of Science, Schmiedlstr. 6, 8042 Graz, Austria), AL(School of Physics, University of Exeter, Exeter, EX4 4QL, UK; Oxford Astrophysics, University of Oxford, Keble Road, Oxford OX1 3RH, UK), AM(Instituto de Astrofísica de Canarias, 38205 La Laguna, Tenerife, Spain; Department de Astrofísica, Universidad de La Laguna, Tenerife, Spain), AN(LESIA, Observatoire de Paris-Meudon, 5 place Jules Janssen, 92195 Meudon, France), AO(LESIA, Observatoire de Paris-Meudon, 5 place Jules Janssen, 92195 Meudon, France), AP(LAM, UMR 6110, CNRS/Univ. de Provence, 38 rue F. Joliot-Curie, 13388 Marseille, France), AQ(Institut d'Astrophysique Spatiale, Université Paris XI, 91405 Orsay, France), AR(Institut d'Astrophysique de Paris, UMR7095 CNRS, Université Pierre & Marie Curie, 98bis boulevard Arago, 75014 Paris, France; Observatoire de Haute-Provence, CNRS/OAMP, 04870 St Michel l'Observatoire, France), AS(Institute of Planetary Research, DLR, 12489 Berlin, Germany), AT(Rheinisches Institut für Umweltforschung an der Universität zu Köln, Aachener Strasse 209, 50931 Köln, Germany), AU(Research and Scientific Support Department, European Space Agency, Keplerlaan1, 2200AG, Noordwijk, The Netherlands), AV(Instituto de Astrofísica de Canarias, 38205 La Laguna, Tenerife, Spain; Department de Astrofísica, Universidad de La Laguna, Tenerife, Spain), AW(Observatório Nacional, Rio de Janeiro, RJ, Brazil), AX(Institute for Astronomy, University of Vienna, Türkenschanzstrasse 17, 1180 Vienna, Austria), AY(Institute of Planetary Research, DLR, 12489 Berlin, Germany), AZ(IAG Universidade de Sao Paulo, Sao Paulo, Brasil), BA(Thüringer Landessternwarte, 07778 Tautenburg, Germany; Instituto de Astrofísica de Canarias, 38205 La Laguna, Tenerife, Spain), BB(Research and Scientific Support Department, European Space Agency, Keplerlaan1, 2200AG, Noordwijk, The Netherlands), BC(Research and Scientific Support Department, European Space Agency, Keplerlaan1, 2200AG, Noordwijk, The Netherlands; Netherlands Institute for Space Research, SRON, Sorbonnelaan 2, 3584 CA, Utrecht, The Netherlands), BD(Thüringer Landessternwarte, 07778 Tautenburg, Germany), BE(LAM, UMR 6110, CNRS/Univ. de Provence, 38 rue F. Joliot-Curie, 13388 Marseille, France), BF(Institut d'Astrophysique Spatiale, Université Paris XI, 91405 Orsay, France), BG(LAM, UMR 6110, CNRS/Univ. de Provence, 38 rue F. Joliot-Curie, 13388 Marseille, France), BH(IAG Université du Liège, Allée du 6 aôut 17, Liège 1, Belgium), BI(Wise Observatory, Tel Aviv University, Tel Aviv 69978, Israel), BJ(LAM, UMR 6110, CNRS/Univ. de Provence, 38 rue F. Joliot-Curie, 13388 Marseille, France), BK(Institut d'Astrophysique Spatiale, Université Paris XI, 91405 Orsay, France), BL(Rheinisches Institut für Umweltforschung an der Universität zu Köln, Aachener Strasse 209, 50931 Köln, Germany), BM(Observatoire de Genève, Université de Genève, 51 chemindes Maillettes, 1290 Sauverny, Switzerland), BN(Institute of Planetary Research, DLR, 12489 Berlin, Germany; TU Berlin, Zentrum für Astronomie und Astrophysik, Hardenbergstr. 36, 10623 Berlin, Germany), BO(LAM, UMR 6110, CNRS/Univ. de Provence, 38 rue F. Joliot-Curie, 13388 Marseille, France), BP(Institut d'Astrophysique Spatiale, Université Paris XI, 91405 Orsay, France), BQ(LUTH, Observatoire de Paris-Meudon, 5 place JulesJanssen, 92195 Meudon, France), BR(Wise Observatory, Tel Aviv University, Tel Aviv 69978, Israel), BS(Thüringer Landessternwarte, 07778 Tautenburg, Germany), BT(Instituto de Astrofísica de Canarias, 38205 La Laguna, Tenerife, Spain; Department de Astrofísica, Universidad de La Laguna, Tenerife, Spain), BU(Space Research Institute, Austrian Academy of Science, Schmiedlstr. 6, 8042 Graz, Austria), BV(Thüringer Landessternwarte, 07778 Tautenburg, Germany)
Publication:
Astronomy and Astrophysics, Volume 512, id.A14 (A&A Homepage)
Publication Date:
03/2010
Origin:
EDP Sciences
Astronomy Keywords:
techniques: photometric, techniques: radial velocities, techniques: spectroscopic, planetary systems
DOI:
10.1051/0004-6361/200913767
Bibliographic Code:
2010A&A...512A..14F

Abstract

The CoRoT satellite exoplanetary team announces its sixth transiting planet in this paper. We describe and discuss the satellite observations as well as the complementary ground-based observations - photometric and spectroscopic - carried out to assess the planetary nature of the object and determine its specific physical parameters. The discovery reported here is a “hot Jupiter” planet in an 8.9d orbit, 18 stellar radii, or 0.08 AU, away from its primary star, which is a solar-type star (F9V) with an estimated age of 3.0 Gyr. The planet mass is close to 3 times that of Jupiter. The star has a metallicity of 0.2 dex lower than the Sun, and a relatively high 7Li abundance. While the light curve indicates a much higher level of activity than, e.g., the Sun, there is no sign of activity spectroscopically in e.g., the [Ca ii] H&K lines.

The CoRoT space mission, launched on December 27, 2006, has been developed and is being operated by CNES, with the contribution of Austria, Belgium, Brazil, ESA, The Research and Scientific Support Department of ESA, Germany and Spain.


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