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A Study of the Decay Phase of an X-Ray Flare on Algol

Published online by Cambridge University Press:  27 September 2017

R. Mewe
Laboratory for Space Research, Utrecht, The Netherlands
G.H.J. van den Oord
Dept. of Physics and Astronomy, University of Glasgow, U.K., Scotland
J. Jakimiec
Astronomical Institute, Wroclaw University, Poland


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We have re-analyzed the X-ray flare on Algol which was observed with EXOSAT (White et al. (1986)). The common practice of estimating loop volume and length from the decay time of the flare is discussed extensively. We show that during the decay phase of the flare both scaling laws for coronal loops are valid. This implies a unique determination of loop volume and length and allows a check whether additional heating occurs in the decay phase of a flare.

Session I: Stellar Flares
Copyright © Kluwer 1989


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