Eigenspectra of solar active region long-period oscillations

Context.The low-frequency.0.5 hour−1(long-period&2 hours) oscillations of active regions(ARs) are studied. The investigation is based on an analysis of time series built from SDO/HMIphotospheric magnetograms and comprises case studies of several types of AR structures.Aims.The main goals are to...

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Veröffentlicht in:	Astronomy & Astrophysics 2021-09, Vol.653, p.1-11
Hauptverfasser:	Dumbadze, Gulsun, Shergelashvili, B.M, Poedts, Stefaan, Zaqarashvili, T.V, Khodachenko, M, De Causmaecker, P
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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