Minimum times of brightness increase in the flares of UV Ceti type stars

Details Minimum times of brightness increase in the flares of UV Ceti type stars Minimum times of brightness increase in the flares of UV Ceti type stars

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988pazh...14..233s&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 14, March 1988, p. 233-239. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

3

Brightness Distribution, Light Curve, Red Dwarf Stars, Stellar Flares, Electrophotometry, Time Dependence

Scientific paper

The results of electrophotometrical investigations of the brightness increase stage in 65 flares of four red dwarfs: UV Cet, CN Leo, Wolf 424 and V577 Mon are presented. The overwhelming majority (90%) of the registered flares have had the leading front durations less than 10 s. In four cases the brightness grew to the peak in time less than 1 s. The fastest flare which was observed for certain on UV Cet was registered with the total duration of about 1.7 s and the leading front duration of about 0.3 s. The obtained results are in good agreement with the predictions of the thermal gas-dynamical model of optical emission generation in flares.

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