EDP Sciences
Issue A&A
Volume 506, Number 1, October IV 2009
The CoRoT space mission: early results
Page(s) 491 - 500
Section Catalogs and data
DOI http://dx.doi.org/10.1051/0004-6361/200911882
Published online 03 August 2009

A&A 506, 491-500 (2009)
DOI: 10.1051/0004-6361/200911882

Planetary transit candidates in Corot-IRa01 field

S. Carpano1, J. Cabrera2, 3, R. Alonso4, P. Barge4, S. Aigrain5, J.-M. Almenara6, P. Bordé7, F. Bouchy8, L. Carone9, H. J. Deeg6, R. De la Reza10, M. Deleuil4, R. Dvorak11, A. Erikson2, F. Fressin12, M. Fridlund1, P. Gondoin1, T. Guillot13, A. Hatzes14, L. Jorda4, H. Lammer15, A. Léger7, A. Llebaria4, P. Magain16, C. Moutou4, A. Ofir17, M. Ollivier7, E. Janot-Pacheco18, M. Pätzold9, F. Pont5, D. Queloz19, H. Rauer2, C. Régulo6, S. Renner2, 20, 21, D. Rouan22, B. Samuel7, J. Schneider3, and G. Wuchterl14

1  Research and Scientific Support Department, ESTEC/ESA, PO Box 299, 2200 AG Noordwijk, The Netherlands
    e-mail: scarpano@rssd.esa.int
2  Institute of Planetary Research, German Aerospace Center, Rutherfordstrasse 2, 12489 Berlin, Germany
3  LUTH, Observatoire de Paris, CNRS, Université Paris Diderot, 5 place Jules Janssen, 92190 Meudon, France
4  Laboratoire d' Astrophysique de Marseille, UMR 6110, 38 rue F. Joliot-Curie, 13388 Marseille, France
5  School of Physics, University of Exeter, Stocker Road, Exeter EX4 4QL, UK
6  Instituto de Astrofísica de Canarias, 38205 La Laguna, Tenerife, Spain
7  Institut d' Astrophysique Spatiale, Université Paris XI, 91405 Orsay, France
8  Institut d'Astrophysique de Paris, Université Pierre & Marie Curie, 98bis Bd Arago, 75014 Paris, France
9  Rheinisches Institut für Umweltforschung an der Universität zu Köln, Aachener Strasse 209, 50931 Köln, Germany
10  Observatório Nacional, Rio de Janeiro, RJ, Brazil
11  University of Vienna, Institute of Astronomy, Türkenschanzstr. 17, 1180 Vienna, Austria
12  Harvard University, Department of Astronomy, 60 Garden St., MS-16, Cambridge, MA 02138, USA
13  Observatoire de la Côte d' Azur, Laboratoire Cassiopée, BP 4229, 06304 Nice Cedex 4, France
14  Thüringer Landessternwarte, Sternwarte 5, Tautenburg 5, 07778 Tautenburg, Germany
15  Space Research Institute, Austrian Academy of Science, Schmiedlstr. 6, 8042 Graz, Austria
16  University of Liège, Allée du 6 août 17, Sart Tilman, Liège 1, Belgium
17  School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, Israel
18  Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de So Paulo, 05508-900 So Paulo, Brazil
19  Observatoire de Genève, Université de Genève, 51 chemin des Maillettes, 1290 Sauverny, Switzerland
20  Laboratoire d'Astronomie de Lille, Université de Lille 1, 1 impasse de l'Observatoire, 59000 Lille, France
21  Institut de Mécanique Céleste et de Calcul des Ephémérides, UMR 8028 du CNRS, 77 avenue Denfert-Rochereau, 75014 Paris, France
22  LESIA, Observatoire de Paris-Meudon, 5 place Jules Janssen, 92195 Meudon, France

Received 19 February 2009 / Accepted 27 July 2009

Abstract
Context. CoRoT is a pioneering space mission devoted to the analysis of stellar variability and the photometric detection of extrasolar planets.
Aims. We present the list of planetary transit candidates detected in the first field observed by CoRoT, IRa01, the initial run toward the Galactic anticenter, which lasted for 60 days.
Methods. We analysed 3898 sources in the coloured bands and 5974 in the monochromatic band. Instrumental noise and stellar variability were taken into account using detrending tools before applying various transit search algorithms.
Results. Fifty sources were classified as planetary transit candidates and the most reliable 40 detections were declared targets for follow-up ground-based observations. Two of these targets have so far been confirmed as planets, CoRoT-1b and CoRoT-4b, for which a complete characterization and specific studies were performed.


Key words: stars: planetary systems -- techniques: photometric -- binaries: eclipsing -- planetary systems



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