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| DOI | 10.1051/0004-6361/201014323 | ||||
| Año | 2010 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Results. We measure a smaller radial-velocity signal (with peak-to-peak variations <500 m s(-1)) than reported previously, and of different amplitude for two different campaigns. A periodicity similar to the rotational period is found in the data, as well as a clear correlation between radial velocities and bisector span. These results imply that the radial-velocity variations of the star are photospheric in origin and not caused by a barycentric movement movement of the star, and contradict the previous detection of a hot-Jupiter.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Gu, P. -G. | Hombre |
Univ Geneva - Suiza
Université de Genève - Suiza Faculty of Science - Suiza |
| 2 | Marmier, Maxime | Hombre |
Univ Geneva - Suiza
Université de Genève - Suiza Faculty of Science - Suiza |
| 3 | Bonfils, Xavier | Hombre |
Univ Geneva - Suiza
Univ Grenoble 1 - Francia Université de Genève - Suiza Universite Grenoble Alpes - Francia Faculty of Science - Suiza Observatoire des Sciences de l'Univers de Grenoble - Francia |
| 4 | Di Folco, E. | Hombre |
Univ Paris Diderot - Francia
CEA Saclay - Francia Institut de Recherche sur les Lois Fondamentales de l'Univers - Francia |
| 5 | Celino, J. J. | Hombre |
Univ Geneva - Suiza
Université de Genève - Suiza Faculty of Science - Suiza |
| 6 | Santos, Nuno C. | Hombre |
Univ Porto - Portugal
Universidade do Porto, Centro de Astrofísica - Portugal Centro de Astrofísica da Universidade do Porto - Portugal |
| 7 | Lovis, Christophe | Hombre |
Univ Geneva - Suiza
Université de Genève - Suiza Faculty of Science - Suiza |
| 8 | Megevand, D. | Hombre |
Univ Geneva - Suiza
Université de Genève - Suiza Faculty of Science - Suiza |
| 9 | DE FIGUEIREDO-MELO, CLAUDIO HENRIQUE | Hombre |
ESO - Chile
European Southern Observatory Santiago - Chile |
| 10 | Pepe, Francesco A. | Hombre |
Univ Geneva - Suiza
Université de Genève - Suiza Faculty of Science - Suiza |
| 11 | Queloz, Didier | Hombre |
Univ Geneva - Suiza
Université de Genève - Suiza Faculty of Science - Suiza |
| 12 | Ségransan, Damien | Hombre |
Univ Geneva - Suiza
Université de Genève - Suiza Faculty of Science - Suiza |
| 13 | Triaud, A. | Hombre |
Univ Geneva - Suiza
Université de Genève - Suiza Faculty of Science - Suiza |
| 14 | Viana Almeida, P. | - |
Univ Porto - Portugal
ESO - Chile Universidade do Porto, Centro de Astrofísica - Portugal European Southern Observatory Santiago - Chile Centro de Astrofísica da Universidade do Porto - Portugal |
| Fuente |
|---|
| European Research Council/European Community |
| Fundacao para Ciencia e a Tecnologia (Portugal) |
| Agradecimiento |
|---|
| Support from the Fundacao para Ciencia e a Tecnologia (Portugal) to P. F. in the form of a scholarship (reference SFRH/BD/21502/2005) is gratefully acknowledged. N.C.S. would like to acknowledge the support by the European Research Council/European Community under the FP7 through a Starting Grant, as well as from Fundacao para a Ciencia e a Tecnologia (FCT), Portugal, through program Ciencia 2007, and in the form of grants reference PTDC/CTE-AST/098528/2008 and PTDC/CTE-AST/098604/2008. |