Zhang, Hongqi and Ai, Guoxiang and Wang, Haimin and Zirin, Harold and Patterson, Alan (1991) The longer term evolution of magnetic field and mass flow in a decaying active region. In: The Sun and Cool Stars: activity, magnetism, dynamos. Lecture Notes in Physics. No.380. Springer Berlin Heidelberg , Berlin, Heidelberg, pp. 271-274. ISBN 9783540539551. https://resolver.caltech.edu/CaltechAUTHORS:20201009-102843318
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Abstract
During September 24-29, 1987, the longitudinal magnetic fields of a decaying active region (AR 4855) were observed almost continuously at Big Bear and Huairou Solar Observatories. The target consisted of an αp sunspot and surrounding enhanced network. We achieved a 75-hour coverage with 4 night-time gaps of six to eight hours. The images were then combined to made a continuous movie.
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| Additional Information: | © Springer-Verlag 1991. We are grateful to the staff at Huairou Solar Observing Station and Big Bear Solar Observatory for their support in making the observations. This research was supported by the Chinese Academy of Sciences and National Science Foundation of China and NSF of U.S.A. under the grant NSF INT-8814395. | |||||||||
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| Subject Keywords: | Vector Magnetic Field; Magnetic Element; Longitudinal Magnetic Field; Big Bear Solar Observatory; Sunspot Magnetic Field | |||||||||
| Series Name: | Lecture Notes in Physics | |||||||||
| Issue or Number: | 380 | |||||||||
| DOI: | 10.1007/3-540-53955-7_139 | |||||||||
| Record Number: | CaltechAUTHORS:20201009-102843318 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20201009-102843318 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 105954 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 09 Oct 2020 22:08 | |||||||||
| Last Modified: | 16 Nov 2021 18:48 |
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