Tilts and polarity separation in the sunspot groups and active regions at the ascending and descending phases of the cycle 23

The Solar Feature Catalogues for sunspots and active regions measured with SOHO/MDI instrument and Ca II K3 spectroheliograph of the Paris-Meudon Observatory are analyzed with the automated classification technique for sunspot groups and active region polarities. We report the first classification r...

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Veröffentlicht in:	Advances in space research 2008, Vol.41 (6), p.881-892
Hauptverfasser:	Zharkova, V.V., Zharkov, S.I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Sun: active regions Sun: magnetic tilt Sun: polarity separation Sun: sunspot groups
Online-Zugang:	Volltext
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