Zhang, Jun and Lin, Ganghua and Wang, Jingxiu and Wang, Haimin and Zirin, Harold (1998) Lifetime of intranetwork magnetic elements. Solar Physics, 178 (2). pp. 245-250. ISSN 0038-0938. doi:10.1023/a:1005089432028. https://resolver.caltech.edu/CaltechAUTHORS:20200722-163252404
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Abstract
Using a 10-hour time sequence of very deep magnetograms of Big Bear Solar Observatory, we have studied the lifetime of Intranetwork Magnetic Elements for the first time. The analysis reveals the following results: (1) The lifetime of intranetwork elements ranges from 0.2 hr to 7.5 hr with the mean of 2.1 hr. There appears to be a quasi-linear dependence of the lifetime on the total flux of elements. (2) Most intranetwork elements appear as a cluster of mixed polarities from an emergence center somewhere within the network boundary and are destroyed by three mechanisms: merging with intranetwork or network elements of the same polarity, cancellation of opposite polarity elements, or separation and disappearance at the position where they appear. (3) We estimate that the total energy released from the recycling of IN elements is 1.6 × 10²⁸ ergs s⁻¹, which seems to be comparable to the energy required to heat the corona.
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| Additional Information: | © 1998 Kluwer Academic Publishers. Received 28 July 1997; accepted 29 August 1997. We would like to thank Drs Yuanyong Deng and Yunchun Jiang for many useful comments. This work is supported by the Major Project 19791090, funded by National Natural Science Foundation of China (NSFC), US NSF CAREER Award ATM-9628862 to Wang and NSF China–US collaboration grant INT-9603534. | |||||||||
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| Subject Keywords: | Total Energy; Opposite Polarity; Time Sequence; Total Flux; Network Element | |||||||||
| Issue or Number: | 2 | |||||||||
| DOI: | 10.1023/a:1005089432028 | |||||||||
| Record Number: | CaltechAUTHORS:20200722-163252404 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20200722-163252404 | |||||||||
| Official Citation: | Zhang, J., Lin, G., Wang, J. et al. Lifetime of Intranetwork Magnetic Elements. Solar Physics 178, 245–250 (1998). https://doi.org/10.1023/A:1005089432028 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 104526 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Rebecca Minjarez | |||||||||
| Deposited On: | 23 Jul 2020 16:14 | |||||||||
| Last Modified: | 16 Nov 2021 18:32 |
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