OGLE-TR-211 -: a new transiting inflated hot Jupiter from the OGLE survey and ESO LP666 spectroscopic follow-up program

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dc.contributor.authorUdalski, A.
dc.contributor.authorPont, F.
dc.contributor.authorNaef, D.
dc.contributor.authorMelo, C.
dc.contributor.authorBouchy, F.
dc.contributor.authorSantos, N. C.
dc.contributor.authorMoutou, C.
dc.contributor.authorDiaz, R. F.
dc.contributor.authorGieren, W.
dc.contributor.authorGillon, M.
dc.contributor.authorHoyer, S.
dc.contributor.authorMayor, M.
dc.contributor.authorMazeh, T.
dc.contributor.authorMinniti, D.
dc.contributor.authorPietrzynski, G.
dc.contributor.authorQueloz, D.
dc.contributor.authorRamirez, S.
dc.contributor.authorRuiz, M. T.
dc.contributor.authorShporer, A.
dc.contributor.authorTamuz, O.
dc.contributor.authorUdry, S.
dc.contributor.authorZoccali, M.
dc.contributor.authorKubiak, M.
dc.contributor.authorSzymanski, M. K.
dc.contributor.authorSoszynski, I.
dc.contributor.authorSzewczyk, O.
dc.contributor.authorUlaczyk, K.
dc.contributor.authorWyrzykowski, L.
dc.date.accessioned2025-01-21T01:05:07Z
dc.date.available2025-01-21T01:05:07Z
dc.date.issued2008
dc.description.abstractWe present results of the photometric campaign for planetary and low-luminosity object transits conducted by the OGLE survey in the 2005 season (Campaign #5). About twenty of the most promising candidates discovered in these data were subsequently verified spectroscopically with the VLT/FLAMES spectrograph.
dc.description.abstractOne of the candidates, OGLE-TR-211, reveals clear changes of radial velocity with a small amplitude of 82 m/s, varying in phase with photometric transit ephemeris. Further analysis confirms the planetary nature of this system. Follow-up precise photometry of OGLE-TR-211 with VLT/FORS, together with radial velocity spectroscopy, supplemented with high-resolution, high S/NVLT/UVES spectra allowed us to derive parameters of the planet and host star. OGLE-TR-211b is a hot Jupiter orbiting an F7-8 spectral type dwarf star with a period of 3.68 days. The mass of the planet is equal to 1.03 +/- 0.20 M-Jup, while its radius 1.36(-0.09)(+0.18) R-Jup. The radius is about 20% larger than the typical radius of hot Jupiters of similar mass. OGLE-TR-211b is, then, another example of inflated hot Jupiters - a small group of seven exoplanets with large radii and unusually low densities - objects that are a challenge to the current models of exoplanets.
dc.fuente.origenWOS
dc.identifier.doi10.1051/0004-6361:20079143
dc.identifier.issn1432-0746
dc.identifier.urihttps://doi.org/10.1051/0004-6361:20079143
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/95826
dc.identifier.wosidWOS:000259042200028
dc.issue.numero1
dc.language.isoen
dc.pagina.final304
dc.pagina.inicio299
dc.revistaAstronomy & astrophysics
dc.rightsacceso restringido
dc.subjectplanetary systems
dc.subjectstars : individual : OGLE-TR-211
dc.subject.ods13 Climate Action
dc.subject.odspa13 Acción por el clima
dc.titleOGLE-TR-211 -: a new transiting inflated hot Jupiter from the OGLE survey and ESO LP666 spectroscopic follow-up program
dc.typeartículo
dc.volumen482
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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