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Transiting exoplanets from the CoRoT space mission: III. The spectroscopic transit of CoRoT-Exo-2b with SOPHIE and HARPS

Bouchy, F. and Queloz, D. and Deleuil, M. and Loeillet, B. and Hatzes, A. and Aigrain, S. and Alonso, R. and Auvergne, M. and Baglin, A. and Barge, P. and Benz, W. and Bordé, P. and Deeg, H. J. and De La Reza, R. and Dvorak, R. and Erikson, Anders and Fridlund, M. and Gondoin, P. and Guillot, T. and Hébrard, G. and Jorda, L. and Lammer, H. and Léger, A. and Llebaria, A. and Magain, P. and Mayor, M. and Moutou, C. and Ollivier, M. and Pätzold, M. and Pepe, F. and Pont, F. and Rauer, Heike and Rouan, D. and Schneider, J. and Triaud, A. H. and Udry, S. and Wuchterl, G. (2008) Transiting exoplanets from the CoRoT space mission: III. The spectroscopic transit of CoRoT-Exo-2b with SOPHIE and HARPS. Astronomy and Astrophysics, 482 (3), L25-L28. EDP Sciences. DOI: 10.1051/0004-6361:200809433 ISSN 0004-6361

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Abstract

We report on the spectroscopic transit of the massive hot-Jupiter CoRoT-Exo-2b observed with the high-precision spectrographs SOPHIE and HARPS. By modeling the radial velocity anomaly occurring during the transit due to the Rossiter-McLaughlin (RM) effect, we determine the sky-projected angle between the stellar spin and the planetary orbital axis to be close to zero $lambda$ = 7.2 $pm$ 4.5 deg, and we secure the planetary nature of CoRoT-Exo-2b. We discuss the influence of the stellar activity on the RM modeling. Spectral analysis of the parent star from HARPS spectra are presented.

Item URL in elib:https://elib.dlr.de/53807/
Document Type:Article
Title:Transiting exoplanets from the CoRoT space mission: III. The spectroscopic transit of CoRoT-Exo-2b with SOPHIE and HARPS
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Bouchy, F.Institut d'Astrophysique de ParisUNSPECIFIED
Queloz, D.Observatoire de GenèveUNSPECIFIED
Deleuil, M.Laboratoire d'Astrophysique de MarseilleUNSPECIFIED
Loeillet, B.Institut d'Astrophysique de Paris and Laboratoire d'Astrophysique de MarseilleUNSPECIFIED
Hatzes, A.Thüringer Landessternwarte TautenburgUNSPECIFIED
Aigrain, S.School of Physics University of ExeterUNSPECIFIED
Alonso, R.Laboratoire d'Astrophysique de MarseilleUNSPECIFIED
Auvergne, M.LESIA ParisUNSPECIFIED
Baglin, A.LESIA ParisUNSPECIFIED
Barge, P.Laboratoire d'Astrophysique de MarseilleUNSPECIFIED
Benz, W.Physikalisches Institut Universität BernUNSPECIFIED
Bordé, P.Institut d'Astrophysique SpatialeUNSPECIFIED
Deeg, H. J.Instituto de Astrofisica de CanariasUNSPECIFIED
De La Reza, R.Observatorio Nacional Rio de JaneiroUNSPECIFIED
Dvorak, R.Institute for Astronomy University of ViennaUNSPECIFIED
Erikson, AndersUNSPECIFIEDUNSPECIFIED
Fridlund, M.Research and Scientific Support Department ESTECUNSPECIFIED
Gondoin, P.Research and Scientific Support Department ESTECUNSPECIFIED
Guillot, T.Observatoire de la Côte d'AzurUNSPECIFIED
Hébrard, G.Institut d'Astrophysique de ParisUNSPECIFIED
Jorda, L.Laboratoire d'Astrophysique de MarseilleUNSPECIFIED
Lammer, H.Space Research Institue Austrian Academy of SciencesUNSPECIFIED
Léger, A.Institut d'Astrophysique SpatialeUNSPECIFIED
Llebaria, A.Laboratoire d'Astrophysique de MarseilleUNSPECIFIED
Magain, P.Institut d'Astrophysique et de Géophysique Université de LiègeUNSPECIFIED
Mayor, M.Observatoire de GenèveUNSPECIFIED
Moutou, C.Laboratoire d'Astrophysique de MarseilleUNSPECIFIED
Ollivier, M.Institut d'Astrophysique SpatialeUNSPECIFIED
Pätzold, M.Institue for Geophysics and Meteorology Köln UniversityUNSPECIFIED
Pepe, F.Observatoire de GenèveUNSPECIFIED
Pont, F.Observatoire de GenèveUNSPECIFIED
Rauer, HeikeUNSPECIFIEDUNSPECIFIED
Rouan, D.LESIA ParisUNSPECIFIED
Schneider, J.LUTH Observatoire de Paris-MeudonUNSPECIFIED
Triaud, A. H.Observatoire de GenèveUNSPECIFIED
Udry, S.Observatoire de GenèveUNSPECIFIED
Wuchterl, G.Thüringer Landessternwarte TautenburgUNSPECIFIED
Date:2008
Journal or Publication Title:Astronomy and Astrophysics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:482
DOI :10.1051/0004-6361:200809433
Page Range:L25-L28
Editors:
EditorsEmail
Bertout, C.UNSPECIFIED
Publisher:EDP Sciences
ISSN:0004-6361
Status:Published
Keywords:CoRoT, Exo-2b, photometry, spectroscopy, exoplanets, transit method
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Extrasolare Planeten (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Extrasolar Planets and Atmospheres
Deposited By: Paris, Philip
Deposited On:29 Apr 2008
Last Modified:27 Apr 2009 14:52

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