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Delta-Sunspots and X Class Flares in Solar Cycle 22

Published online by Cambridge University Press:  12 April 2016

Zhongxian Shi  and
Jingxiu Wang
Zhongxian Shi
Affiliation:
Beijing Astronomical Observatory, Chinese Academy of Sciences
Jingxiu Wang
Affiliation:
Beijing Astronomical Observatory, Chinese Academy of Sciences

Abstract

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A sample of 221 active regions with δ magnetic configurations from 1986 to 1991 in Solar Cycle 22 is used to investigate the characteristics of δ-sunspots and the relationship between the δ-sunspots and X class X-ray flares.

Type
Session 1. Structure of Active Regions
Information
International Astronomical Union Colloquium , Volume 141: The Magnetic and Velocity Fields of Solar Active Regions , 1993 , pp. 71 - 74
Copyright
Copyright © Astronomical Society of the Pacific 1993

References

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