Grand minima and maxima of solar activity: new observational constraints

著者: Ilya Usoskin, S. K. Solanki, G. A. Kovaltsov - Astronomy and Astrophysics 2007 被引用: 460

Aims.Using a reconstruction of sunspot numbers stretching over multiple millennia, we analyze the statistics of the occurrence of grand minima and maxima and set new observational constraints on long-term solar and stellar dynamo models.