SIMBAD references

1998A&A...334..931Z - Astronomy and Astrophysics, volume 334931-934 (1998/6-3)

New features in the EV Lacertae flares discovered by fast high precision UBVRI photometry.

ZHILYAEV B.E., VERLYUK I.A., ROMANYUK Y.O., SVYATOGOROV O.A., KONSTANTINOVA-ANTOVA R.K., ANTOV A.P., BACHEV R.S., ALEKSEEV I.Y., CHALENKO V.E. and SHAKHOVSKOY D.N.

Abstract (from CDS):

The flares fine structure lies often below the detection limit for photometry data. UBVRI high-speed observations combined with synchronous monitoring at two telescopes situated far from each other allowed us to detect new small-amplitude features in the flare activity of EV Lac. Digital filtering of the light curves with a Gaussian window was used. We found that some flare events are composed of a flare and an intensity drop having a crater-shaped structure centered at the flare peak. Fading amplitudes extend from 0.1 to 0.01mag.

Abstract Copyright: ∼

Journal keyword(s): stars: individual: EV Lac - stars: flare - stars: variables: others

Simbad objects: 3

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