Temperature Variations of One Well-Known UV Ceti Type Flare Star

Details Temperature Variations of One Well-Known UV Ceti Type Flare Star Temperature Variations of One Well-Known UV Ceti Type Flare Star

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.234..107m&link_type=abstract

Astrophysics and Space Science, Volume 234, Issue 1, pp.107-123

Astronomy and Astrophysics

Astrophysics

Scientific paper

Temperature variations of the flare star, EV Lac, at its quiet-state luminosity were computed from its colour indices,B - V, which were measured in Johnson's system, these daily temperature changes are the essential reason of the short-term behaviour appearance in the flare star which is due to the presence of active region(s) causing a temperature difference of a few hundred degrees from the photosphere. A correlation between the annual mean of temperature variations of the flare star at its quiet-state and the annual rate of some physical parameters of the flare star at its active-state was detected. This correlation can interpret the occurrence of the long-term behaviour of the flare star at its quiescent-state as found by Mavridiset al. (1982).

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