Sunspot motions and magnetic shears as precusors of flares

Autor: G. Csepura, Ágnes Kovács, I. Nagy, O. Gerlei, L. Dezső
Rok vydání: 1984
Předmět:
Zdroj: Advances in Space Research. 4:57-60
ISSN: 0273-1177
DOI: 10.1016/0273-1177(84)90160-1
Popis: Using full-disc white light photoheliograms, we have studied umbrae motion and variations in sunspot areas in a large activity complex over 4 solar rotations. On the basis of the observational data we illustrate with typical examples to what extent rapid spot motions are associated with flare occurrences.
Databáze: OpenAIRE