2017
DOI: 10.1002/asna.201713396
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On the magnetic activity cycle and rotation of the yellow subgiant β Aql

Abstract: The cycles of activity similar to the solar one are thought to exist in other stars with outer convection zones. The long‐term monitoring of magnetic cycles in stars similar in structure to the Sun is a main diagnostic method for understanding how dynamo generation and amplification of magnetic fields occur. We have performed a search for solar‐like magnetic activity on the yellow subgiant β Aql. Direct measurements of the longitudinal magnetic field of β Aql were performed by measuring the Zeeman splitting in… Show more

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Cited by 7 publications
(12 citation statements)
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References 18 publications
(22 reference statements)
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“…Spectropolarimetric observations of β Aql were carried out at CrAO over 51 nights from 1997 to 2015. The statistically significant magnetic field on β Aql have been detected in 24 out of 51 dates (Butkovskaya et al 2017). The observed variability of the magnetic field lies in the range from −19.1 ± 1.1 G to 23.6 ± 1.0 G. The activity cycle of β Aql was found to be 969 ± 27 days, and the most probable rotation period was found to be P rot = 5.08697 ± 0.00031 days.…”
Section: Long Time-series For Magnetic Activity Studymentioning
confidence: 86%
“…Spectropolarimetric observations of β Aql were carried out at CrAO over 51 nights from 1997 to 2015. The statistically significant magnetic field on β Aql have been detected in 24 out of 51 dates (Butkovskaya et al 2017). The observed variability of the magnetic field lies in the range from −19.1 ± 1.1 G to 23.6 ± 1.0 G. The activity cycle of β Aql was found to be 969 ± 27 days, and the most probable rotation period was found to be P rot = 5.08697 ± 0.00031 days.…”
Section: Long Time-series For Magnetic Activity Studymentioning
confidence: 86%
“…В КрАО впервые получены результаты, свидетельствующие о всплывании крупных силовых трубок поля при формировании активной области у звезд V-IV-III классов светимости. Зарегистрировано всплывание крупных силовых трубок поля у 61 Cyg A (Sp K5 V), β Gem (Sp K0 IIIb), β Aql (Sp G8 IV) (Plachinda, 2004a;Baklanova et al, 2011;Butkovskaya et al, 2017a).…”
Section: всплывание силовых трубок при формировании активной областиunclassified
“…Для β Aql (P rot ∼ 5.1 дня) все представленные на рис. 5 наблюдения получены в КрАО (Butkovskaya et al (2017a)). Точки, относящиеся к глобальной составляющей магнитного поля, обозначены заполненными ромбами.…”
Section: всплывание силовых трубок при формировании активной областиunclassified
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