Conferencia
Buccino, A.P.; Mauas, P.J.D. "Possible chromospheric activity cycles in II peg, UX Ari and V711 Tau" (2009) 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun. 1094:640-643
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Abstract:
We study the Mount Wilson indices we obtained indirectly from IUE high and low resolution spectra of the RS CVn-type systems II Peg (K2IV), UX Ari (K0IV+G5V) and V711 Tau (K1IV+G5V), extensively observed by IUE from 1978 to 1996. We analyze the activity signatures, which correspond to the primary star, with the Lomb-Scargle periodogram. From the analysis of V711 Tau data, we found a possible chromospheric cycle with a period of 18 years and a shorter ∼3 year cycle, which could be associated to a chromospheric flip-flop cycle. The data of II Peg also suggest a chromospheric cycle of ∼21 years and a flip-flop cycle of ∼9 years. Finally, we obtained a possible chromospheric cycle of ∼6 years for UX Ari. © 2009 American Institute of Physics.
Registro:
| Documento: | Conferencia |
| Título: | Possible chromospheric activity cycles in II peg, UX Ari and V711 Tau |
| Autor: | Buccino, A.P.; Mauas, P.J.D. |
| Ciudad: | St. Andrews |
| Filiación: | Instituto de Astronomía y Física del Espacio, CONICET-UBA, Buenos Aires, Argentina |
| Palabras clave: | Activity; Binaries close; Spectroscopic; Techniques; Ultraviolet |
| Año: | 2009 |
| Volumen: | 1094 |
| Página de inicio: | 640 |
| Página de fin: | 643 |
| DOI: | http://dx.doi.org/10.1063/1.3099195 |
| Título revista: | 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun |
| Título revista abreviado: | AIP Conf. Proc. |
| ISSN: | 0094243X |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0094243X_v1094_n_p640_Buccino |
Referencias:
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Citas:
---------- APA ----------
Buccino, A.P. & Mauas, P.J.D. (2009) . Possible chromospheric activity cycles in II peg, UX Ari and V711 Tau. 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, 1094, 640-643.http://dx.doi.org/10.1063/1.3099195
---------- CHICAGO ----------
Buccino, A.P., Mauas, P.J.D. "Possible chromospheric activity cycles in II peg, UX Ari and V711 Tau" . 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun 1094 (2009) : 640-643.http://dx.doi.org/10.1063/1.3099195
---------- MLA ----------
Buccino, A.P., Mauas, P.J.D. "Possible chromospheric activity cycles in II peg, UX Ari and V711 Tau" . 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, vol. 1094, 2009, pp. 640-643.http://dx.doi.org/10.1063/1.3099195
---------- VANCOUVER ----------
Buccino, A.P., Mauas, P.J.D. Possible chromospheric activity cycles in II peg, UX Ari and V711 Tau. AIP Conf. Proc. 2009;1094:640-643.http://dx.doi.org/10.1063/1.3099195
