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A HARPS view on K2-3
| Indexado |
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| DOI | 10.1051/0004-6361/201525918 | ||||
| Año | 2015 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
K2 space observations recently found that three super-Earths transit the nearby M dwarf K2-3. The apparent brightness and the small physical radius of their host star rank these planets amongst the most favourable for follow- up characterisations. The outer planet orbits close to the inner edge of the habitable zone and might become one of the first exoplanets searched for biomarkers using transmission spectroscopy. We used the HARPS velocimeter to measure the mass of the planets. The mass of planet b is 8.4 +/- 2.1 M-circle plus, while our determination of those planets c and d are affected by the stellar activity. With a density of 4.32(-0.76)(+2.0) g cm(-3), planet b is probably mostly rocky, but it could contain up to 50% water.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Almenara, Jose-Manuel | Hombre |
Univ Grenoble Alpes - Francia
CNRS - Francia Universite Grenoble Alpes - Francia CNRS Centre National de la Recherche Scientifique - Francia Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia |
| 2 | Astudillo-Defru, Nicola | Mujer |
Univ Grenoble Alpes - Francia
CNRS - Francia Universite Grenoble Alpes - Francia CNRS Centre National de la Recherche Scientifique - Francia Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia |
| 3 | Bonfils, Xavier | Hombre |
Univ Grenoble Alpes - Francia
CNRS - Francia Universite Grenoble Alpes - Francia CNRS Centre National de la Recherche Scientifique - Francia Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia |
| 4 | Forveille, Thierry | Hombre |
Univ Grenoble Alpes - Francia
CNRS - Francia Universite Grenoble Alpes - Francia CNRS Centre National de la Recherche Scientifique - Francia Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia |
| 5 | Santerne, A. | Hombre |
Univ Porto - Portugal
Universidade do Porto, Centro de Astrofísica - Portugal Universidade do Porto - Portugal Centro de Astrofísica da Universidade do Porto - Portugal |
| 6 | Albrecht, Simon | Hombre |
Aarhus Univ - Dinamarca
Aarhus Universitet - Dinamarca |
| 7 | Barros, Susana | Mujer |
Aix Marseille Univ - Francia
Laboratoire d'Astrophysique de Marseille - Francia CNRS Centre National de la Recherche Scientifique - Francia |
| 8 | Bouchy, Francois | Hombre |
Aix Marseille Univ - Francia
Laboratoire d'Astrophysique de Marseille - Francia CNRS Centre National de la Recherche Scientifique - Francia |
| 9 | Delfosse, Xavier | Hombre |
Univ Grenoble Alpes - Francia
CNRS - Francia Universite Grenoble Alpes - Francia CNRS Centre National de la Recherche Scientifique - Francia Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia |
| 10 | Demangeon, O. | Hombre |
Aix Marseille Univ - Francia
Laboratoire d'Astrophysique de Marseille - Francia CNRS Centre National de la Recherche Scientifique - Francia |
| 11 | Diaz, Rodrigo F. | Hombre |
Univ Geneva - Suiza
Université de Genève - Suiza Faculty of Science - Suiza |
| 12 | Hébrard, Guillaume | Hombre |
Observ Haute Provence - Francia
UNIV PARIS 06 - Francia Observatoire de Haute-Provence - Francia Institut d 'Astrophysique de Paris - Francia CNRS Centre National de la Recherche Scientifique - Francia Institut d’Astrophysique de Paris - Francia |
| 13 | Mayor, M. | - |
Univ Geneva - Suiza
Université de Genève - Suiza Faculty of Science - Suiza |
| 14 | Neves, V. | - |
Univ Fed Rio Grande do Norte - Brasil
Universidade Federal do Rio Grande do Norte - Brasil |
| 15 | ROJO-RUBKE, PATRICIO MICHEL | Hombre |
Universidad de Chile - Chile
Centro de Excelencia en Astrofísica y Tecnologías Afines - Chile |
| 16 | Santos, Nuno C. | Hombre |
Univ Porto - Portugal
Universidade do Porto, Centro de Astrofísica - Portugal Universidade do Porto - Portugal Centro de Astrofísica da Universidade do Porto - Portugal |
| 17 | Wunsche, Anael | - |
Univ Grenoble Alpes - Francia
CNRS - Francia Universite Grenoble Alpes - Francia CNRS Centre National de la Recherche Scientifique - Francia Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia |
| Fuente |
|---|
| Fundação para a Ciência e a Tecnologia |
| Comisión Nacional de Investigación Científica y Tecnológica |
| European Commission |
| European Regional Development Fund |
| European Research Council |
| Comisión Nacional de Investigación CientÃfica y Tecnológica |
| National Aeronautics and Space Administration |
| Seventh Framework Programme |
| Programa Operacional Temático Factores de Competitividade |
| Fundação para a Ciência e a Tecnologia |
| NASA Science Mission directorate |
| Instituto Nacional de Ciência e Tecnologia para Excitotoxicidade e Neuroproteção |
| NASA Office of Space Science |
| Programa Operacional Temático Factores de Competitividade |
| CONICYT Becas-Chile |
| Fundacao para a Ciencia e a Tecnologia (FCT) through Investigador FCT |
| "Programa Operacional de Factores de Competitividade -COMPETE" |
| Agradecimiento |
|---|
| We thank the ESO La Silla staff for its continuous support, the HARPS observers (C. Mordasini, J. Martins, and A. Sozzetti, as well as L. Kreidberg for her Mandel & Agol code), C. Damiani for discussions of the dynamics of the system, and T. Fenouillet for his assistance with the LAM computing cluster. This paper includes data collected by the Kepler mission. Funding for the Kepler mission is provided by the NASA Science Mission directorate. Some of the data presented in this paper were obtained from the Mikulski Archive for Space Telescopes (MAST). STScI is operated by the Association of Universities for Research in Astronomy, Inc. under NASA contract NAS5-26555. Support for MAST for non-HST data is provided by the NASA Office of Space Science via grant NNX09AF08G and by other grants and contracts. This research made use of the Exoplanet Orbit Database and the Exoplanet Data Explorer at exoplanets.org. N.A.-D. acknowledges support from CONICYT Becas-Chile number 72120460. X.B. and J.M.A. acknowledge funding from the European Research Council under the ERC Grant Agreement No. 337591-ExTrA. NCS acknowledges support by Fundacao para a Ciencia e a Tecnologia (FCT) through Investigador FCT contracts of reference IF /00169/2012, and POPH/FSE (EC) by FEDER funding through the program "Programa Operacional de Factores de Competitividade -COMPETE". A.S. is supported by the European Union under a Marie Curie Intra-European Fellowship for Career Development with reference FP7-PEOPLE-2013-IEF, number 627202. S.C.C.B. and O.D. thank the CNES for their grants 98761 and 124378, respectively. |
| We thank the ESO La Silla staff for its continuous support, the HARPS observers (C. Mordasini, J. Martins, and A. Sozzetti, as well as L. Kreidberg for her Mandel & Agol code), C. Damiani for discussions of the dynamics of the system, and T. Fenouillet for his assistance with the LAM computing cluster. This paper includes data collected by the Kepler mission. Funding for the Kepler mission is provided by the NASA Science Mission directorate. Some of the data presented in this paper were obtained from the Mikulski Archive for Space Telescopes (MAST). STScI is operated by the Association of Universities for Research in Astronomy, Inc. under NASA contract NAS5-26555. Support for MAST for non-HST data is provided by the NASA Office of Space Science via grant NNX09AF08G and by other grants and contracts. This research made use of the Exoplanet Orbit Database and the Exoplanet Data Explorer at exoplanets.org. N.A.-D. acknowledges support from CONICYT Becas-Chile number 72120460. X.B. and J.M.A. acknowledge funding from the European Research Council under the ERC Grant Agreement No. 337591-ExTrA. NCS acknowledges support by Fundação para a Ciência e a Tecnologia (FCT) through Investigador FCT contracts of reference IF/00169/2012, and POPH/FSE (EC) by FEDER funding through the program “Programa Operacional de Factores de Competitividade – COMPETE”. A.S. is supported by the European Union under a Marie Curie Intra-European Fellowship for Career Development with reference FP7-PEOPLE-2013-IEF, number 627202. S.C.C.B. and O.D. thank the CNES for their grants 98761 and 124378, respectively. |
