New Suns in the Cosmos II: differential rotation in Kepler Sun-like stars

Chagas, M. L. das; Bravo, J. P.; Costa, A. D.; Lopes, C. E. Ferreira; Sobrinho, R. Silva; Paz-Chinchón, F.; Leão, I. C.; Valio, A.; Freitas, D. B. de; Martins, B. L. Canto; Lanza, A. F.; Medeiros, José Renan de

New Suns in the Cosmos II: differential rotation in Kepler Sun-like stars

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dc.contributor.author	Chagas, M. L. das
dc.contributor.author	Bravo, J. P.
dc.contributor.author	Costa, A. D.
dc.contributor.author	Lopes, C. E. Ferreira
dc.contributor.author	Sobrinho, R. Silva
dc.contributor.author	Paz-Chinchón, F.
dc.contributor.author	Leão, I. C.
dc.contributor.author	Valio, A.
dc.contributor.author	Freitas, D. B. de
dc.contributor.author	Martins, B. L. Canto
dc.contributor.author	Lanza, A. F.
dc.contributor.author	Medeiros, José Renan de
dc.date.accessioned	2020-05-28T13:20:52Z
dc.date.available	2020-05-28T13:20:52Z
dc.date.issued	2016
dc.description.resumo	The present study reports the discovery of Sun-like stars, namely main-sequence stars with Teff, log g and rotation periods Prot similar to solar values, presenting evidence of surface differential rotation (DR). An autocorrelation of the time series was used to select stars presenting photometric signal stability from a sample of 881 stars with light curves collected by the Kepler space-borne telescope, in which we have identified 17 stars with stable signals. A simple two-spot model together with a Bayesian information criterion were applied to these stars in the search for indications of DR; in addition, for all 17 stars, it was possible to compute the spot rotation period P, the mean values of the individual spot rotation periods and their respective colatitudes, and the relative amplitude of the DR.	pt_BR
dc.identifier.citation	MEDEIROS, Jose Renan de et al. New Suns in the Cosmos II: Differential rotation in Sun-like stars. Monthly Notices of the Royal Astronomical Society (Print), [s. l.], v. 1143, p. stw2026, 2016. ISSN 1365-2966 versão online. DOIhttps://doi.org/10.1093/mnras/stw2026. Disponível em: https://academic.oup.com/mnras/article/463/2/1624/2892345. Acesso em: 28 maio 2020.	pt_BR
dc.identifier.doi	https://doi.org/10.1093/mnras/stw2026
dc.identifier.issn	0035-8711 (print), 1365-2966 (online)
dc.identifier.uri	https://repositorio.ufrn.br/jspui/handle/123456789/29088
dc.language	en	pt_BR
dc.publisher	Royal Astronomical Society	pt_BR
dc.subject	Stars: rotation	pt_BR
dc.subject	Stars: solar	pt_BR
dc.subject	Type	pt_BR
dc.subject	Starspots	pt_BR
dc.title	New Suns in the Cosmos II: differential rotation in Kepler Sun-like stars	pt_BR
dc.type	article	pt_BR