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dc.contributor.author
Barros, S. C. C.
dc.contributor.author
Gosselin, H.
dc.contributor.author
Lillo-Box, J.
dc.contributor.author
Bayliss, D.
dc.contributor.author
Delgado Mena, E.
dc.contributor.author
Brugger, B.
dc.contributor.author
Santerne, A.
dc.contributor.author
Armstrong, D. J.
dc.contributor.author
Adibekyan, V.
dc.contributor.author
Armstrong, J. D.
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Barrado, D.
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Bento, J.
dc.contributor.author
Boisse, I.
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Bonomo, A. S.
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Bouchy, F.
dc.contributor.author
Brown, D. J. A.
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Cochran, W. D.
dc.contributor.author
Collier Cameron, A.
dc.contributor.author
Deleuil, M.
dc.contributor.author
Demangeon, O.
dc.contributor.author
Diaz, Rodrigo Fernando
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dc.contributor.author
Doyle, A.
dc.contributor.author
Dumusque, X.
dc.contributor.author
Ehrenreich, D.
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Espinoza, N.
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Faedi, F.
dc.contributor.author
Faria, J. P.
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Figueira, P.
dc.contributor.author
Foxell, E.
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Hébrard, G.
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Hojjatpanah, S.
dc.contributor.author
Jackman, J.
dc.contributor.author
Lendl, M.
dc.contributor.author
Ligi, R.
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Lovis, C.
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Melo, C.
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Mousis, O.
dc.contributor.author
Neal, J. J.
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Osborn, H. P.
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Pollacco, D.
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Santos, N. C.
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Sefako, R.
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Shporer, A.
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Sousa, S. G.
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Triaud, A. H. M. J.
dc.contributor.author
Udry, S.
dc.contributor.author
Vigan, A.
dc.contributor.author
Wyttenbach, A.
dc.date.available
2018-07-12T15:32:51Z
dc.date.issued
2017-12
dc.identifier.citation
Barros, S. C. C.; Gosselin, H.; Lillo-Box, J.; Bayliss, D.; Delgado Mena, E.; et al.; Precise masses for the transiting planetary system HD 106315 with HARPS; EDP Sciences; Astronomy and Astrophysics; 608; A25; 12-2017; 1-14
dc.identifier.issn
0004-6361
dc.identifier.uri
http://hdl.handle.net/11336/51858
dc.description.abstract
Context. The multi-planetary system HD 106315 was recently found in K2 data. The planets have periods of Pb ∼ 9.55 and Pc ∼ 21.06 days, and radii of rb = 2.44 ± 0.17 R⊕ and rc = 4.35 ± 0.23 R⊕. The brightness of the host star (V = 9.0 mag) makes it an excellent target for transmission spectroscopy. However, to interpret transmission spectra it is crucial to measure the planetary masses. Aims. We obtained high precision radial velocities for HD 106315 to determine the mass of the two transiting planets discovered with Kepler K2. Our successful observation strategy was carefully tailored to mitigate the effect of stellar variability. Methods. We modelled the new radial velocity data together with the K2 transit photometry and a new ground-based partial transit of HD 106315c to derive system parameters. Results. We estimate the mass of HD 106315b to be 12.6 ± 3.2 M⊕ and the density to be 4.7 ± 1.7 g cm-3, while for HD 106315c we estimate a mass of 15.2 ± 3.7 M⊕ and a density of 1.01 ± 0.29 g cm-3. Hence, despite planet c having a radius almost twice as large as planet b, their masses are consistent with one another. Conclusions. We conclude that HD 106315c has a thick hydrogen-helium gaseous envelope. A detailed investigation of HD 106315b using a planetary interior model constrains the core mass fraction to be 5-29%, and the water mass fraction to be 10-50%. An alternative, not considered by our model, is that HD 106315b is composed of a large rocky core with a thick H-He envelope. Transmission spectroscopy of these planets will give insight into their atmospheric compositions and also help constrain their core compositions.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
EDP Sciences
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Planets And Satellites: Composition
dc.subject
Planets And Satellites: Detection
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Planets And Satellites: Fundamental Parameters
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Stars: Individual: Hd 106315
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Techniques: Photometric
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Techniques: Radial Velocities
dc.subject.classification
Astronomía
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Precise masses for the transiting planetary system HD 106315 with HARPS
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-07-11T17:38:46Z
dc.journal.volume
608
dc.journal.number
A25
dc.journal.pagination
1-14
dc.journal.pais
Francia
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dc.journal.ciudad
Paris
dc.description.fil
Fil: Barros, S. C. C.. Universidade Do Porto, Centro de Astrofisica; Portugal
dc.description.fil
Fil: Gosselin, H.. Laboratoire D'astrophysique de Marseille; Francia. Universite de Toulouse; Francia
dc.description.fil
Fil: Lillo-Box, J.. European Southern Observatory Santiago; Chile
dc.description.fil
Fil: Bayliss, D.. Universidad de Ginebra; Suiza
dc.description.fil
Fil: Delgado Mena, E.. Universidade Do Porto, Centro de Astrofisica; Portugal
dc.description.fil
Fil: Brugger, B.. Laboratoire D'astrophysique de Marseille; Francia
dc.description.fil
Fil: Santerne, A.. Laboratoire D'astrophysique de Marseille; Francia
dc.description.fil
Fil: Armstrong, D. J.. University of Warwick; Reino Unido
dc.description.fil
Fil: Adibekyan, V.. Universidade Do Porto, Centro de Astrofisica; Portugal
dc.description.fil
Fil: Armstrong, J. D.. University Of Hawaii System; Estados Unidos
dc.description.fil
Fil: Barrado, D.. Csic-inta - Centro de Astrobiologia (cab);
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Fil: Bento, J.. Australian National University; Australia
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Fil: Boisse, I.. Laboratoire D'astrophysique de Marseille; Francia
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Fil: Bonomo, A. S.. Istituto Nazionale Di Astrofisica; Italia
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Fil: Bouchy, F.. Universidad de Ginebra; Suiza
dc.description.fil
Fil: Brown, D. J. A.. University of Warwick; Reino Unido
dc.description.fil
Fil: Cochran, W. D.. University of Texas at Austin; Estados Unidos
dc.description.fil
Fil: Collier Cameron, A.. University of St. Andrews; Reino Unido
dc.description.fil
Fil: Deleuil, M.. Laboratoire D'astrophysique de Marseille; Francia
dc.description.fil
Fil: Demangeon, O.. Universidade Do Porto, Centro de Astrofisica; Portugal
dc.description.fil
Fil: Diaz, Rodrigo Fernando. Universidad de Ginebra; Suiza. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina. Universidad de Buenos Aires; Argentina
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Fil: Doyle, A.. University of Warwick; Reino Unido
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Fil: Dumusque, X.. Universidad de Ginebra; Suiza
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Fil: Ehrenreich, D.. Universidad de Ginebra; Suiza
dc.description.fil
Fil: Espinoza, N.. Pontificia Universidad Católica de Chile; Chile. Millennium Institute Of Astrophysics; Chile. Universidad Católica de Chile; Chile
dc.description.fil
Fil: Faedi, F.. University of Warwick; Reino Unido
dc.description.fil
Fil: Faria, J. P.. Universidad de Porto; Portugal. Universidade Do Porto, Centro de Astrofisica; Portugal
dc.description.fil
Fil: Figueira, P.. Universidade Do Porto, Centro de Astrofisica; Portugal
dc.description.fil
Fil: Foxell, E.. University of Warwick; Reino Unido
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Fil: Hébrard, G.. Universite Pierre et Marie Curie; Francia. Aix Marseille Universite; Francia
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Fil: Hojjatpanah, S.. Universidade Do Porto, Centro de Astrofisica; Portugal. Universidad de Porto; Portugal
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Fil: Jackman, J.. University of Warwick; Reino Unido
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Fil: Lendl, M.. Institut Fur Weltraumforschung; Austria
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Fil: Ligi, R.. Laboratoire D'astrophysique de Marseille; Francia
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Fil: Lovis, C.. Universidad de Ginebra; Suiza
dc.description.fil
Fil: Melo, C.. European Southern Observatory Santiago; Chile
dc.description.fil
Fil: Mousis, O.. Laboratoire D'astrophysique de Marseille; Francia
dc.description.fil
Fil: Neal, J. J.. Universidad de Porto; Portugal. Universidade Do Porto, Centro de Astrofisica; Portugal
dc.description.fil
Fil: Osborn, H. P.. University of Warwick; Reino Unido
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Fil: Pollacco, D.. University of Warwick; Reino Unido
dc.description.fil
Fil: Santos, N. C.. Universidad de Porto; Portugal. Universidade Do Porto, Centro de Astrofisica; Portugal
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Fil: Sefako, R.. South African Astronomical Observatory; Sudáfrica
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Fil: Shporer, A.. California Institute of Technology; Estados Unidos
dc.description.fil
Fil: Sousa, S. G.. Universidade Do Porto, Centro de Astrofisica; Portugal
dc.description.fil
Fil: Triaud, A. H. M. J.. University Of Cambridge Institute Of Astronomy; Reino Unido
dc.description.fil
Fil: Udry, S.. Universidad de Ginebra; Suiza
dc.description.fil
Fil: Vigan, A.. Laboratoire D'astrophysique de Marseille; Francia
dc.description.fil
Fil: Wyttenbach, A.. Universidad de Ginebra; Suiza
dc.journal.title
Astronomy and Astrophysics
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.aanda.org/10.1051/0004-6361/201731276
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1051/0004-6361/201731276
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