Abstract:
Potentially habitable planets within the habitable zone of M dwarfs are affected by tidal interaction. We studied tidal evolution in GJ 667C using a numerical code we call TIDEV. We reviewed the problem of dynamical evolution, focusing on the effects of a rheological treatment, different compositions and the inclusion of orbital perturbations on the spin-down time and the probability of becoming trapped in a low spin-orbit resonance. The composition has a noticeable effect on the spin-down time, which changes, in some cases, by almost a factor of 2 with respect to the value estimated for a reference Earth-like model. We calculated the time required to reach a low resonance value (3:2) for a configuration of six planets. Capture probabilities are affected when assuming different compositions and eccentricity variations. We chose planets b and c to evaluate the probabilities of capture in resonances below 5:2 for two compositions: Earth-like and Waterworld planets. We found that perturbations, although having a secular effect on eccentricities, have a lowimpact on capture probabilities and no effect on spin-down times. The implications of the eccentricity variations and actual habitability of the GJ 667C system are discussed. © 2016 The Authors.
Registro:
Documento: |
Artículo
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Título: | Spin-orbit evolution of the GJ 667C system: The effect of composition and other planets' perturbations |
Autor: | Cuartas-Restrepo, P.A.; Melita, M.; Zuluaga, J.I.; Portilla-Revelo, B.; Sucerquia, M.; Miloni, O. |
Filiación: | FACom-SEAP-Instituto de Física-FCEN, Universidad de Antioquia, Calle 70 No. 52-21, Medellín, Colombia Instituto de Astronomía y Física del Espacio - IAFE, Buenos Aires, Argentina FCAG - Universidad Nacional de La Plata, La Plata, Argentina
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Palabras clave: | Planet-star interactions; Planets and satellites: dynamical evolution and stability; Planets and satellites: individual: GJ 667C |
Año: | 2016
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Volumen: | 463
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Número: | 2
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Página de inicio: | 1592
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Página de fin: | 1604
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Título revista: | Monthly Notices of the Royal Astronomical Society
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Título revista abreviado: | Mon. Not. R. Astron. Soc.
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ISSN: | 00358711
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CODEN: | MNRAA
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00358711_v463_n2_p1592_CuartasRestrepo |
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Citas:
---------- APA ----------
Cuartas-Restrepo, P.A., Melita, M., Zuluaga, J.I., Portilla-Revelo, B., Sucerquia, M. & Miloni, O.
(2016)
. Spin-orbit evolution of the GJ 667C system: The effect of composition and other planets' perturbations. Monthly Notices of the Royal Astronomical Society, 463(2), 1592-1604.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00358711_v463_n2_p1592_CuartasRestrepo [ ]
---------- CHICAGO ----------
Cuartas-Restrepo, P.A., Melita, M., Zuluaga, J.I., Portilla-Revelo, B., Sucerquia, M., Miloni, O.
"Spin-orbit evolution of the GJ 667C system: The effect of composition and other planets' perturbations"
. Monthly Notices of the Royal Astronomical Society 463, no. 2
(2016) : 1592-1604.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00358711_v463_n2_p1592_CuartasRestrepo [ ]
---------- MLA ----------
Cuartas-Restrepo, P.A., Melita, M., Zuluaga, J.I., Portilla-Revelo, B., Sucerquia, M., Miloni, O.
"Spin-orbit evolution of the GJ 667C system: The effect of composition and other planets' perturbations"
. Monthly Notices of the Royal Astronomical Society, vol. 463, no. 2, 2016, pp. 1592-1604.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00358711_v463_n2_p1592_CuartasRestrepo [ ]
---------- VANCOUVER ----------
Cuartas-Restrepo, P.A., Melita, M., Zuluaga, J.I., Portilla-Revelo, B., Sucerquia, M., Miloni, O. Spin-orbit evolution of the GJ 667C system: The effect of composition and other planets' perturbations. Mon. Not. R. Astron. Soc. 2016;463(2):1592-1604.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00358711_v463_n2_p1592_CuartasRestrepo [ ]