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23 November 2010
Article (Scientific journals)
A transiting giant planet with a temperature between 250K and 430K
Deeg, H. J.; Moutou, C.; Erikson, A. et al.
2010 • In Nature, 464, p. 384-387
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Abstract :
[en] Of the over 400 known exoplanets, there are about 70 planets that transit their central star, a situation that permits the derivation of their basic parameters and facilitates investigations of their atmospheres. Some short-period planets, including the first terrestrial exoplanet (CoRoT-7b), have been discovered using a space mission designed to find smaller and more distant planets than can be seen from the ground. Here we report transit observations of CoRoT-9b, which orbits with a period of 95.274days on a low eccentricity of 0.11+/-0.04 around a solar-like star. Its periastron distance of 0.36 astronomical units is by far the largest of all transiting planets, yielding a `temperate' photospheric temperature estimated to be between 250 and 430K. Unlike previously known transiting planets, the present size of CoRoT-9b should not have been affected by tidal heat dissipation processes. Indeed, the planet is found to be well described by standard evolution models with an inferred interior composition consistent with that of Jupiter and Saturn.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Deeg, H. J.;  Instituto de Astrofísica de Canarias, C. Via Lactea S/N, E-38205 La Laguna, Tenerife, Spain
Moutou, C.;  Laboratoire d'Astrophysique de Marseille, CNRS and Université de Provence, 38 rue Frédéric Joliot-Curie, F-13388 Marseille cedex 13, France
Erikson, A.;  Institute of Planetary Research, German Aerospace Center, Rutherfordstrasse 2, D-12489 Berlin, Germany
Csizmadia, Szilard;  Institute of Planetary Research, German Aerospace Center, Rutherfordstrasse 2, D-12489 Berlin, Germany
Tingley, B.;  Instituto de Astrofísica de Canarias, C. Via Lactea S/N, E-38205 La Laguna, Tenerife, Spain
Barge, P.;  Laboratoire d'Astrophysique de Marseille, CNRS and Université de Provence, 38 rue Frédéric Joliot-Curie, F-13388 Marseille cedex 13, France
Bruntt, H.;  LESIA, Observatoire de Paris, CNRS, Place J. Janssen, 92195 Meudon cedex, France
Havel, M.;  Université de Nice-Sophia Antipolis, Observatoire de la Côte d'Azur, CNRS UMR 6202, 06304 Nice cedex 4, France
Aigrain, S.;  School of Physics, University of Exeter, Exeter, EX4 4QL, UK
Almenara, J. M.;  Instituto de Astrofísica de Canarias, C. Via Lactea S/N, E-38205 La Laguna, Tenerife, Spain
Alonso, R.;  Observatoire de l'Université de Genève, 51 chemin des Maillettes, CH 1290 Sauverny, Switzerland
Auvergne, M.;  LESIA, Observatoire de Paris, CNRS, Place J. Janssen, 92195 Meudon cedex, France
Baglin, A.;  LESIA, Observatoire de Paris, CNRS, Place J. Janssen, 92195 Meudon cedex, France
Barbieri, M.;  Laboratoire d'Astrophysique de Marseille, CNRS and Université de Provence, 38 rue Frédéric Joliot-Curie, F-13388 Marseille cedex 13, France
Benz, W.;  Universität Bern, Physics Institute, Sidlerstrasse 5, CH 3012 Bern, Switzerland
Bonomo, A. S.;  Laboratoire d'Astrophysique de Marseille, CNRS and Université de Provence, 38 rue Frédéric Joliot-Curie, F-13388 Marseille cedex 13, France
Bordé, P.;  Institut d'Astrophysique Spatiale, Université Paris XI, F-91405 Orsay, France
Bouchy, F.;  IAP, 98bis boulevard Arago, F-75014 Paris, France
Cabrera, J.;  Institute of Planetary Research, German Aerospace Center, Rutherfordstrasse 2, D-12489 Berlin, Germany
Carone, L.;  Rheinisches Institut für Umweltforschung an der Universität zu Köln, Aachener Strasse 209, D-50931, Köln, Germany
Carpano, S.;  Research and Scientific Support Department, ESTEC/ESA, PO Box 299, 2200 AG Noordwijk, The Netherlands
Ciardi, D.;  NASA Exoplanet Science Institute/Caltech, South Wilson Avenue, Mail Code 100-22, Pasadena, California 91125, USA
Deleuil, M.;  Laboratoire d'Astrophysique de Marseille, CNRS and Université de Provence, 38 rue Frédéric Joliot-Curie, F-13388 Marseille cedex 13, France
Dvorak, R.;  University of Vienna, Institute of Astronomy, Türkenschanzstrasse 17, A-1180 Vienna, Austria
Ferraz-Mello, S.;  Institute of Astronomy, Geophysics and Atmospheric Sciences, Universidade de São Paulo, Brasil
Fridlund, M.;  Research and Scientific Support Department, ESTEC/ESA, PO Box 299, 2200 AG Noordwijk, The Netherlands
Gandolfi, D.;  Thüringer Landessternwarte, Sternwarte 5, D-07778 Tautenburg, Germany
Gazzano, J*-C;  Laboratoire d'Astrophysique de Marseille, CNRS and Université de Provence, 38 rue Frédéric Joliot-Curie, F-13388 Marseille cedex 13, France
Gillon, Michaël  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique et traitement de l'image
Gondoin, P.;  Research and Scientific Support Department, ESTEC/ESA, PO Box 299, 2200 AG Noordwijk, The Netherlands
Guenther, E.;  Thüringer Landessternwarte, Sternwarte 5, D-07778 Tautenburg, Germany
Guillot, T.;  Université de Nice-Sophia Antipolis, Observatoire de la Côte d'Azur, CNRS UMR 6202, 06304 Nice cedex 4, France
Hartog, R Den;  Research and Scientific Support Department, ESTEC/ESA, PO Box 299, 2200 AG Noordwijk, The Netherlands
Hatzes, A.;  Thüringer Landessternwarte, Sternwarte 5, D-07778 Tautenburg, Germany
Hidas, M.;  Las Cumbres Observatory Global Telescope Network, Inc., 6740 Cortona Drive, Suite 102, Santa Barbara, California 93117, USA
Hébrard, G.;  IAP, 98bis boulevard Arago, F-75014 Paris, France
Jorda, L.;  Laboratoire d'Astrophysique de Marseille, CNRS and Université de Provence, 38 rue Frédéric Joliot-Curie, F-13388 Marseille cedex 13, France
Kabath, P.;  Institute of Planetary Research, German Aerospace Center, Rutherfordstrasse 2, D-12489 Berlin, Germany
Lammer, H.;  Space Research Institute, Austrian Academy of Science, Schmiedlstrasse 6, A-8042 Graz, Austria
Léger, A.;  Institut d'Astrophysique Spatiale, Université Paris XI, F-91405 Orsay, France
Lister, T.;  Las Cumbres Observatory Global Telescope Network, Inc., 6740 Cortona Drive, Suite 102, Santa Barbara, California 93117, USA
Llebaria, A.;  Laboratoire d'Astrophysique de Marseille, CNRS and Université de Provence, 38 rue Frédéric Joliot-Curie, F-13388 Marseille cedex 13, France
Lovis, C.;  Observatoire de l'Université de Genève, 51 chemin des Maillettes, CH 1290 Sauverny, Switzerland
Mayor, M.;  Observatoire de l'Université de Genève, 51 chemin des Maillettes, CH 1290 Sauverny, Switzerland
Mazeh, T.;  School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel
Ollivier, M.;  Institut d'Astrophysique Spatiale, Université Paris XI, F-91405 Orsay, France
Pätzold, M.;  Rheinisches Institut für Umweltforschung an der Universität zu Köln, Aachener Strasse 209, D-50931, Köln, Germany
Pepe, F.;  Observatoire de l'Université de Genève, 51 chemin des Maillettes, CH 1290 Sauverny, Switzerland
Pont, F.;  School of Physics, University of Exeter, Exeter, EX4 4QL, UK
Queloz, D.;  Observatoire de l'Université de Genève, 51 chemin des Maillettes, CH 1290 Sauverny, Switzerland
Rabus, M.;  Department de Astrofísica, Universidad de La Laguna, E-38200 La Laguna, Tenerife, Spain
Rauer, H.;  Institute of Planetary Research, German Aerospace Center, Rutherfordstrasse 2, D-12489 Berlin, Germany
Rouan, D.;  LESIA, Observatoire de Paris, CNRS, Place J. Janssen, 92195 Meudon cedex, France
Samuel, B.;  Institut d'Astrophysique Spatiale, Université Paris XI, F-91405 Orsay, France
Schneider, J.;  LUTH, Observatoire de Paris, CNRS and Université Paris Diderot, 5 place Jules Janssen, F-92195 Meudon, France
Shporer, A.;  School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel
Stecklum, B.;  Thüringer Landessternwarte, Sternwarte 5, D-07778 Tautenburg, Germany
Street, R.;  Las Cumbres Observatory Global Telescope Network, Inc., 6740 Cortona Drive, Suite 102, Santa Barbara, California 93117, USA
Udry, S.;  Observatoire de l'Université de Genève, 51 chemin des Maillettes, CH 1290 Sauverny, Switzerland
Weingrill, J.;  Space Research Institute, Austrian Academy of Science, Schmiedlstrasse 6, A-8042 Graz, Austria
Wuchterl, G.;  Thüringer Landessternwarte, Sternwarte 5, D-07778 Tautenburg, Germany
More authors (51 more) Less
Language :
English
Title :
A transiting giant planet with a temperature between 250K and 430K
Publication date :
01 March 2010
Journal title :
Nature
ISSN :
0028-0836
eISSN :
1476-4687
Publisher :
Nature Publishing Group, London, United Kingdom
Volume :
464
Pages :
384-387
Peer reviewed :
Peer Reviewed verified by ORBi

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