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A short-lived flare of EV Lacertae

Published online by Cambridge University Press:  23 September 2016

B. E. Zhilyaev ,
Ya. O. Romanjuk  and
O. A. Svyatogorov
B. E. Zhilyaev
Affiliation:
Main Astronomical Observatory of the Ukrainian Academie of Sciencies, Kiev, USSR
Ya. O. Romanjuk
Affiliation:
Main Astronomical Observatory of the Ukrainian Academie of Sciencies, Kiev, USSR
O. A. Svyatogorov
Affiliation:
Main Astronomical Observatory of the Ukrainian Academie of Sciencies, Kiev, USSR

Extract

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Flare events on a time scale of the order of one second were observed on EV Lac by Gershberg and Petrov [1], Zalinian and Tovmassian [2], Tsvetkov, Antov and Tsvetkova [3]. The nature of such phenomena is very mysterious. We hope that monitoring of EV Lac with high time resolution will yield the information about growing and decay times as well as fine structure of the light curve and color one. A short-lived flare of EV Lac was recorded in U and V bands in 1989, September 3 2h 14m 30s UT. The duration of the event was about 150 milliseconds.

Type
I Flare Stars Optical Observations and Flare Statistics
Information
Symposium - International Astronomical Union , Volume 137: Flare Stars in Star Clusters, Association and Solar Vicinity , 1990 , pp. 35 - 36
Copyright
Copyright © Kluwer 1990 

References

1. Gershberg, R. E., Petrov, P. P., in ‘Flare stars and related objects’ Ed. by Mirzoyan, L. V., Yerevan 1986, p. 38–42.Google Scholar
2. Zalinian, V. P., Tovraassian, H. M., Commun. Konkoly Obs. Hung. Acad. Sci., 1986, No 86, p. 435–366.Google Scholar
3. Tsvetkov, M. K., Antov, A. P., Tsvetkova, A. G., ibidem, p. 423–424.Google Scholar