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Región activa

Un diagrama muy simplificado del campo magnético de una región activa que ilustra su naturaleza bipolar.

Una región activa es una región temporal de la atmósfera estelar del Sol caracterizada por un campo magnético fuerte y complejo. A menudo se asocian con manchas solares y suelen ser la fuente de erupciones violentas tales como eyecciones de masa coronal y erupciones solares[1]​ El número y la ubicación de las regiones activas en el disco solar en un momento dado depende del ciclo solar.[2][3][4][5][6]

Referencias

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  1. Zell, Holly (20 de abril de 2015). «Active Regions on the Sun». NASA. Consultado el 18 de julio de 2021. 
  2. Warren, Harry P.; Winebarger, Amy R.; Brooks, David H. (10 de noviembre de 2012). «A Systematic Survey of High-Temperature Emission in Solar Active Regions». The Astrophysical Journal 759 (2): 141. Bibcode:2012ApJ...759..141W. S2CID 119117669. arXiv:1204.3220. doi:10.1088/0004-637X/759/2/141. 
  3. Del Zanna, G. (October 2013). «The multi-thermal emission in solar active regions». Astronomy & Astrophysics 558: A73. Bibcode:2013A&A...558A..73D. doi:10.1051/0004-6361/201321653. 
  4. Basu, Sarbani; Antia, H. M.; Bogart, Richard S. (August 2004). «Ring‐Diagram Analysis of the Structure of Solar Active Regions». The Astrophysical Journal 610 (2): 1157-1168. Bibcode:2004ApJ...610.1157B. doi:10.1086/421843. 
  5. Hagino, Masaoki; Sakurai, Takashi (25 de octubre de 2004). «Latitude Variation of Helicity in Solar Active Regions». Publications of the Astronomical Society of Japan 56 (5): 831-843. doi:10.1093/pasj/56.5.831. 
  6. Zhang, Jie; Wang, Yuming; Liu, Yang (10 de noviembre de 2010). «Statistical Properties of Solar Active Regions Obtained from an Automatic Detection System and the Computational Biases». The Astrophysical Journal 723 (2): 1006-1018. Bibcode:2010ApJ...723.1006Z. S2CID 122852367. doi:10.1088/0004-637X/723/2/1006. 
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Región activa
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