Article (Scientific journals)
A transiting planet among 23 new near-threshold candidates from the OGLE survey - OGLE-TR-182
Pont, F.; Tamuz, O.; Udalski, A. et al.
2008In Astronomy and Astrophysics, 487, p. 749-754
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Keywords :
planetary systems; stars: individual: OGLE-TR-182
Abstract :
[en] By re-processing the data of the second season of the OGLE survey for planetary transits and adding new mesurements on the same fields gathered in subsequent years with the OGLE telescope, we have identified 23 new transit candidates, recorded as OGLE-TR-178 to OGLE-TR-200. We studied the nature of these objects with the FLAMES/UVES multi-fiber spectrograph on the VLT. One of the candidates, OGLE-TR-182, was confirmed as a transiting gas giant planet on a 4-day orbit. We characterised it with further observations using the FORS1 camera and UVES spectrograph on the VLT. OGLE-TR-182b is a typical ``hot Jupiter'' with an orbital period of 3.98 days, a mass of 1.01 ± 0.15~M_Jup and a radius of 1.13[SUP]+0.24[/SUP][SUB]-0.08[/SUB]~R_Jup. Confirming this transiting planet required a large investment in telescope time with the best instruments available, and we comment on the difficulty of the confirmation process for transiting planets in the OGLE survey. We delineate the zone were confirmation is difficult or impossible, and discuss the implications for the CoRoT space mission in its quest for transiting telluric planets. Based on observations made with the FORS1 camera and the FLAMES/UVES spectrograph at the VLT, ESO, Chile (programmes 076.C-0706 and 177.C-0666) and 1.3-m Warsaw Telescope at Las Campanas Observatory, Chile.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Pont, F.;  Observatoire de Genève, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland
Tamuz, O.;  School of Physics and Astronomy, R. and B. Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, Israel
Udalski, A.;  Warsaw University Observatory, Al. Ujazdowskie 4, 00-478, Warsaw, Poland ; The OGLE Team
Mazeh, T.;  School of Physics and Astronomy, R. and B. Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, Israel
Bouchy, F.;  Institut d'Astrophysique de Paris, 98bis Bd Arago, 75014 Paris, France
Melo, C.;  European Southern Observatory, Casilla 19001, Santiago 19, Chile
Naef, D.;  European Southern Observatory, Casilla 19001, Santiago 19, Chile
Santos, N. C.;  Centro de Astrofísica, Universidade do Porto, Rua das Estrelas, 4150-762 Porto, Portugal
Moutou, C.;  Laboratoire d'Astrophysique de Marseille, Traverse du Siphon, BP8, Les Trois Lucs, 13376 Marseille Cedex 12, France
Diaz, R. F.;  Instituto de Astronomia y Física del Espacio, Buenos Aires, Argentina
Gieren, W.;  Departamento de Astronomia, Universidad de Concepción, Casilla 160-C, Concepción, Chile
Gillon, Michaël  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique et traitement de l'image
Hoyer, S.;  Department of Astronomy, Universidad de Chile, Santiago, Chile
Kubiak, M.;  Warsaw University Observatory, Al. Ujazdowskie 4, 00-478, Warsaw, Poland ; The OGLE Team
Mayor, M.;  Observatoire de Genève, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland
Minniti, D.;  Departmento de Astronomía y Astrofísica, Pontificia Universidad Católica de Chile, Casilla 306, Santiago 22, Chile
Pietrzynski, G.;  Warsaw University Observatory, Al. Ujazdowskie 4, 00-478, Warsaw, Poland ; The OGLE Team ; Departamento de Astronomia, Universidad de Concepción, Casilla 160-C, Concepción, Chile
Queloz, D.;  Observatoire de Genève, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland
Ramirez, S.;  Departmento de Astronomía y Astrofísica, Pontificia Universidad Católica de Chile, Casilla 306, Santiago 22, Chile
Ruiz, M. T.;  Department of Astronomy, Universidad de Chile, Santiago, Chile
Shporer, A.;  School of Physics and Astronomy, R. and B. Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, Israel
Soszynski, I.;  Warsaw University Observatory, Al. Ujazdowskie 4, 00-478, Warsaw, Poland ; The OGLE Team
Szewczyk, O.;  Warsaw University Observatory, Al. Ujazdowskie 4, 00-478, Warsaw, Poland ; The OGLE Team ; Departamento de Astronomia, Universidad de Concepción, Casilla 160-C, Concepción, Chile
Szymanski, M. K.;  Warsaw University Observatory, Al. Ujazdowskie 4, 00-478, Warsaw, Poland ; The OGLE Team
Udry, S.;  Observatoire de Genève, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland
Ulaczyk, K.;  Warsaw University Observatory, Al. Ujazdowskie 4, 00-478, Warsaw, Poland ; The OGLE Team
Wyrzykowski, L.;  The OGLE Team ; Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
Zoccali, M.;  Departmento de Astronomía y Astrofísica, Pontificia Universidad Católica de Chile, Casilla 306, Santiago 22, Chile
More authors (18 more) Less
Language :
English
Title :
A transiting planet among 23 new near-threshold candidates from the OGLE survey - OGLE-TR-182
Publication date :
01 August 2008
Journal title :
Astronomy and Astrophysics
ISSN :
0004-6361
eISSN :
1432-0746
Publisher :
EDP Sciences, Les Ulis, France
Volume :
487
Pages :
749-754
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
http://de.arxiv.org/abs/0710.5278
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