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Lifetimes of the Magnetic Network Elements

Published online by Cambridge University Press:  12 April 2016

Yang Liu ,
Hongqi Zhang  and
Haimin Wang
Yang Liu
Affiliation:
Beijing Astronomical Observatory, Beijing, China
Hongqi Zhang
Affiliation:
Beijing Astronomical Observatory, Beijing, China
Haimin Wang
Affiliation:
Big Bear Solar Observatory, Caltech Pasadena, CA 91125, U.S.A.

Abstract

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Using the 155 hours of coordinated observing data of Huairou and Big Bear Solar Observatories, the lifetimes of network elements have been determined by different ways. The sample of network elements has been chosen on a strict criterion in order to reduce the bias. Two statistical methods with different considerations show a mean lifetime of elements of 49.20 hours and 54.92 hours, respectively. The least-square fit method provides an average lifetime of 55.84 hours.

Type
Session 4. Friendly Debate: The Relation of Quiet Sun to Active Regions
Information
International Astronomical Union Colloquium , Volume 141: The Magnetic and Velocity Fields of Solar Active Regions , 1993 , pp. 228 - 231
Copyright
Copyright © Astronomical Society of the Pacific 1993