The rotational behavior of kepler stars with planets
We analyzed the host stars of the present sample of confirmed planets detected by Kepler and Kepler Objects of Interest to compute new photometric rotation periods and to study the behavior of their angular momentum. Lomb–Scargle periodograms and wavelet maps were computed for 3807 stars. For 540 of...
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ri-123456789-290842022-10-20T20:39:51Z The rotational behavior of kepler stars with planets Paz-Chinchón, F. Bravo, J. P. Freitas, D. B. de Lopes, C. E. Ferreira Alves, S. Catelan, M. Martins, B. L. Canto Medeiros, José Renan de Leão, I. C. Hertzsprung Russell and C–M diagrams Stars: general Stars: kinematics and dynamics Stars: rotation We analyzed the host stars of the present sample of confirmed planets detected by Kepler and Kepler Objects of Interest to compute new photometric rotation periods and to study the behavior of their angular momentum. Lomb–Scargle periodograms and wavelet maps were computed for 3807 stars. For 540 of these stars, we were able to detect rotational modulation of the light curves at a significance level of greater than 99%. For 63 of these 540 stars, no rotation measurements were previously available in the literature. According to the published masses and evolutionary tracks of the stars in this sample, the sample is composed of M- to F-type stars (with masses of 0.48–1.53 M $_{}$) with rotation periods that span a range of 2–89 days. These periods exhibit an excellent agreement with those previously reported (for the stars for which such values are available), and the observed rotational period distribution strongly agrees with theoretical predictions. Furthermore, for the 540 sources considered here, the stellar angular momentum provides an important test of Kraft's relation based on the photometric rotation periods. Finally, this study directly contributes in a direct approach to our understanding of how angular momentum is distributed between the host star and its (detected) planetary system; the role of angular momentum exchange in such systems is an unavoidable piece of the stellar rotation puzzle. 2020-05-28T12:28:06Z 2020-05-28T12:28:06Z 2015 article MEDEIROS, José Renan de et al. The rotational behavior of kepler stars with planets. Astrophysical Journal (Online), [s. l.], v. 803, p. 69, 2015. ISSN 1538-4357 versão online. DOI https://doi.org/10.1088/0004-637X/803/2/69. Disponível em: http://iopscience.iop.org/article/10.1088/0004-637X/803/2/69/meta. Acesso em: 28 maio 2020. 0004-637X (print), 1538-4357 (online) https://repositorio.ufrn.br/jspui/handle/123456789/29084 http://dx.doi.org/10.1088/0004-637X/803/2/69 en American Astronomical Society |
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| language |
English |
| topic |
Hertzsprung Russell and C–M diagrams Stars: general Stars: kinematics and dynamics Stars: rotation |
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Hertzsprung Russell and C–M diagrams Stars: general Stars: kinematics and dynamics Stars: rotation Paz-Chinchón, F. Bravo, J. P. Freitas, D. B. de Lopes, C. E. Ferreira Alves, S. Catelan, M. Martins, B. L. Canto Medeiros, José Renan de Leão, I. C. The rotational behavior of kepler stars with planets |
| description |
We analyzed the host stars of the present sample of confirmed planets detected by Kepler and Kepler Objects of Interest to compute new photometric rotation periods and to study the behavior of their angular momentum. Lomb–Scargle periodograms and wavelet maps were computed for 3807 stars. For 540 of these stars, we were able to detect rotational modulation of the light curves at a significance level of greater than 99%. For 63 of these 540 stars, no rotation measurements were previously available in the literature. According to the published masses and evolutionary tracks of the stars in this sample, the sample is composed of M- to F-type stars (with masses of 0.48–1.53 M $_{}$) with rotation periods that span a range of 2–89 days. These periods exhibit an excellent agreement with those previously reported (for the stars for which such values are available), and the observed rotational period distribution strongly agrees with theoretical predictions. Furthermore, for the 540 sources considered here, the stellar angular momentum provides an important test of Kraft's relation based on the photometric rotation periods. Finally, this study directly contributes in a direct approach to our understanding of how angular momentum is distributed between the host star and its (detected) planetary system; the role of angular momentum exchange in such systems is an unavoidable piece of the stellar rotation puzzle. |
| format |
article |
| author |
Paz-Chinchón, F. Bravo, J. P. Freitas, D. B. de Lopes, C. E. Ferreira Alves, S. Catelan, M. Martins, B. L. Canto Medeiros, José Renan de Leão, I. C. |
| author_facet |
Paz-Chinchón, F. Bravo, J. P. Freitas, D. B. de Lopes, C. E. Ferreira Alves, S. Catelan, M. Martins, B. L. Canto Medeiros, José Renan de Leão, I. C. |
| author_sort |
Paz-Chinchón, F. |
| title |
The rotational behavior of kepler stars with planets |
| title_short |
The rotational behavior of kepler stars with planets |
| title_full |
The rotational behavior of kepler stars with planets |
| title_fullStr |
The rotational behavior of kepler stars with planets |
| title_full_unstemmed |
The rotational behavior of kepler stars with planets |
| title_sort |
rotational behavior of kepler stars with planets |
| publisher |
American Astronomical Society |
| publishDate |
2020 |
| url |
https://repositorio.ufrn.br/jspui/handle/123456789/29084 http://dx.doi.org/10.1088/0004-637X/803/2/69 |
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| _version_ |
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