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On rotation of solar filaments

Published online by Cambridge University Press:  01 November 2006

A. I. Khlystova
A. I. Khlystova
Affiliation:
Institute of Solar-Terrestrial Physics, P.O. Box 4026, Irkutsk, Russia email: [email protected] Present address: Institute of Solar-Terrestrial Physics, Lermontova, 126, Irkutsk, Russia.
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Abstract

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The study of the differential rotation law is an important issue in solar physics. Earlier studies of filaments found formulae for their differential rotation at stable existence stage. This paper relies on Big Bear Solar Observatory H-alpha filtergrams to estimate angular velocities of quiescent filaments at different stages of existence. Angular velocities are shown to cover a wide range of values. Likely causes of this velocity scatter are discussed.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S233: Solar Activity and its Magnetic Origin , March 2006 , pp. 419 - 420
Copyright
© 2006 International Astronomical Union