Zirin, H. (1992) Solar Activity. In: The Sun: A Laboratory for Astrophysics. NATO ASI Series. Series C. No.373. Springer Netherlands , Dordrecht, pp. 449-463. ISBN 9789401052276. https://resolver.caltech.edu/CaltechAUTHORS:20201009-102843018
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Abstract
The magnetic cycle lasts 22 years, reversing polarity in each 11-year half. Spots reach the surface in emerging flux regions (EFR) and grow in complexity. Ephemeral regions bring considerable flux to the surface, but play no great role. Diffusion models of the cycle are discussed, but the low observed diffusion constant makes them a poor fit to reality. We then turn to the properties of active regions, especially highly active regions producing many flares, and we discuss the properties of those flares.
| Item Type: | Book Section | ||||||
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| Related URLs: |
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| Additional Information: | © Springer Science+Business Media Dordrecht 1992. | ||||||
| Subject Keywords: | Solar Physics; Sunspot Cycle; Flux Emergence; Spot Group; Flux Loop | ||||||
| Series Name: | NATO ASI Series. Series C | ||||||
| Issue or Number: | 373 | ||||||
| DOI: | 10.1007/978-94-011-2765-3_22 | ||||||
| Record Number: | CaltechAUTHORS:20201009-102843018 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20201009-102843018 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 105951 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | George Porter | ||||||
| Deposited On: | 09 Oct 2020 21:11 | ||||||
| Last Modified: | 16 Nov 2021 18:48 |
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