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:

Authors	Institution or Email of Authors	Author's ORCID iD
Bouchy, F.	Institut d'Astrophysique de Paris	UNSPECIFIED
Queloz, D.	Observatoire de Genève	UNSPECIFIED
Deleuil, M.	Laboratoire d'Astrophysique de Marseille	UNSPECIFIED
Loeillet, B.	Institut d'Astrophysique de Paris and Laboratoire d'Astrophysique de Marseille	UNSPECIFIED
Hatzes, A.	Thüringer Landessternwarte Tautenburg	UNSPECIFIED
Aigrain, S.	School of Physics University of Exeter	UNSPECIFIED
Alonso, R.	Laboratoire d'Astrophysique de Marseille	UNSPECIFIED
Auvergne, M.	LESIA Paris	UNSPECIFIED
Baglin, A.	LESIA Paris	UNSPECIFIED
Barge, P.	Laboratoire d'Astrophysique de Marseille	UNSPECIFIED
Benz, W.	Physikalisches Institut Universität Bern	UNSPECIFIED
Bordé, P.	Institut d'Astrophysique Spatiale	UNSPECIFIED
Deeg, H. J.	Instituto de Astrofisica de Canarias	UNSPECIFIED
De La Reza, R.	Observatorio Nacional Rio de Janeiro	UNSPECIFIED
Dvorak, R.	Institute for Astronomy University of Vienna	UNSPECIFIED
Erikson, Anders	UNSPECIFIED	UNSPECIFIED
Fridlund, M.	Research and Scientific Support Department ESTEC	UNSPECIFIED
Gondoin, P.	Research and Scientific Support Department ESTEC	UNSPECIFIED
Guillot, T.	Observatoire de la Côte d'Azur	UNSPECIFIED
Hébrard, G.	Institut d'Astrophysique de Paris	UNSPECIFIED
Jorda, L.	Laboratoire d'Astrophysique de Marseille	UNSPECIFIED
Lammer, H.	Space Research Institue Austrian Academy of Sciences	UNSPECIFIED
Léger, A.	Institut d'Astrophysique Spatiale	UNSPECIFIED
Llebaria, A.	Laboratoire d'Astrophysique de Marseille	UNSPECIFIED
Magain, P.	Institut d'Astrophysique et de Géophysique Université de Liège	UNSPECIFIED
Mayor, M.	Observatoire de Genève	UNSPECIFIED
Moutou, C.	Laboratoire d'Astrophysique de Marseille	UNSPECIFIED
Ollivier, M.	Institut d'Astrophysique Spatiale	UNSPECIFIED
Pätzold, M.	Institue for Geophysics and Meteorology Köln University	UNSPECIFIED
Pepe, F.	Observatoire de Genève	UNSPECIFIED
Pont, F.	Observatoire de Genève	UNSPECIFIED
Rauer, Heike	UNSPECIFIED	UNSPECIFIED
Rouan, D.	LESIA Paris	UNSPECIFIED
Schneider, J.	LUTH Observatoire de Paris-Meudon	UNSPECIFIED
Triaud, A. H.	Observatoire de Genève	UNSPECIFIED
Udry, S.	Observatoire de Genève	UNSPECIFIED
Wuchterl, G.	Thüringer Landessternwarte Tautenburg	UNSPECIFIED

Date:

2008

Journal or Publication Title:

Astronomy and Astrophysics

Refereed publication:

Yes

Open Access:

Gold Open Access:

In SCOPUS:

In ISI Web of Science:

Yes

Volume:

482

DOI:

10.1051/0004-6361:200809433

Page Range:

L25-L28

Editors:

Editors	Email	Editor's ORCID iD
Bertout, C.	UNSPECIFIED	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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