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Photometrical, spectral and radio monitoring for EV Lac in 1986 and 1987

Published online by Cambridge University Press:  23 September 2016

R. E. Gershberg
Affiliation:
Crimean Astrophysical Observatory, Nauchny-Simeiz, USSR
I. V. Ilyin
Affiliation:
Crimean Astrophysical Observatory, Nauchny-Simeiz, USSR
N. S. Nesterov
Affiliation:
Crimean Astrophysical Observatory, Nauchny-Simeiz, USSR
N. I. Shakhovskaya
Affiliation:
Crimean Astrophysical Observatory, Nauchny-Simeiz, USSR
R. G. Getov
Affiliation:
National Astronomical Observatory, Rozhen, Bulgaria
M. Ivanova
Affiliation:
National Astronomical Observatory, Rozhen, Bulgaria
K. P. Panov
Affiliation:
National Astronomical Observatory, Rozhen, Bulgaria
M. K. Tsvetkov
Affiliation:
National Astronomical Observatory, Rozhen, Bulgaria
A. G. Tsvetkova
Affiliation:
National Astronomical Observatory, Rozhen, Bulgaria
G. Leto
Affiliation:
Osservatorio Astrofisico, Catania, Italy

Abstract

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During 9 nights in 1986-1987 we have carried out the patrol observations of red dwarf EV Lac within the wavelength range from 3500 Å to 8 mm and registered more than 50 optical flares. Some features of stellar flares, spots and active regions for the periods of cooperative observations are discussed.

Type
I Flare Stars Optical Observations and Flare Statistics
Copyright
Copyright © Kluwer 1990 

References

1. Gershberg, R.E., Mogilevskij, E.I., Obridko, V.N. (1987), Kinematika i fizika nebesnykh tel V. 3, N 5, P.3.Google Scholar
2. Kleinman, S.J., Sandmann, W.H., Ambruster, C.W. (1987), IBVS N 3031.Google Scholar
3. Pettersen, B.R., Kern, G.A., Evans, D.S. (1983), Astron. Astrophys. V. 123, P. 184.Google Scholar
4. Piirola, V. (1984), Observatory and Lab.Astrophys.Univ.Helsinki Rept. N 6, P. 151.Google Scholar
5. Poutanen, M. (1987) ‘The charge-couple device in stellar spectroscopy’. Ph.D.Thesis. Helsinki University Observatory.Google Scholar
6. Rojzman, G.Sh. (1984), Letters to Sov.Astron. V.10, P. 279.Google Scholar
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Photometrical, spectral and radio monitoring for EV Lac in 1986 and 1987
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