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    Article

    Catalog of Variable Stars in the WD 0009 \(\boldsymbol{+}\) 501 and GRW \(\boldsymbol{+}\) 708247 Fields Based on Photometric Survey Data on Transiting Exoplanets

    The light curves for almost 50 thousand stars with magnitudes \(m\in[11\overset{\textrm{m}}{.}5,19\overset{\textrm{m}}{.}5]\) ...

    O. Ya. Yakovlev, A. F. Valeev, G. G. Valyavin, V. N. Aitov in Astrophysical Bulletin (2024)

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    Article

    Study of Nonlinearity and Statistics of Photons in BTA High-Resolution Fiber-Optic Spectrograph Images

    The nonlinearity of the transfer function of photon detection by a CCD receiver of an echelle fiber-optic spectrograph of high spectral resolution at the BTA SAO RAS is studied. Local analysis of signals in th...

    G. Sh. Mitiani, D. D. Makarov, V. N. Aitov, G. G. Valyavin in Astrophysical Bulletin (2023)

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    Article

    Eight Exoplanet Candidates in SAO Survey

    We report eight new exoplanet candidates discovered at the Special Astrophysical Observatory of the Russian Academy of Sciences using the transit technique. Photometric observations were performed with a 50-cm...

    O. Ya. Yakovlev, A. F. Valeev, G. G. Valyavin, A. V. Tavrov in Astrophysical Bulletin (2023)

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    Article

    Studies of Features of Evolution of Highly Magnetized White Dwarfs and Some Other Stars under Conditions of Magnetically Induced Suppression of Convective Energy Removal. II. Modeling

    We present a study of the influence of magnetically induced control of external convection in stars of different types, in particular white dwarfs, on their thermal evolution. In the work preceding this study,...

    V. N. Aitov, G. G. Valyavin, A. F. Valeev, G. A. Galazutdinov in Astrophysical Bulletin (2022)

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    Article

    Studies of Features of Evolution of Highly Magnetized Stars—White Dwarfs. I. Observations

    We present the results of observations within the program for the search for new highly magnetized white dwarfs among evolutionary old stars of this class. The program was carried out for two years at the 1-m ...

    V. N. Aitov, G. G. Valyavin, A. F. Valeev, G. Sh. Mitiani in Astrophysical Bulletin (2022)

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    Article

    Results of the First Year of the 3BS Polar Search Program

    We present the results of the first year of searching for polar candidates within the 3BS (3-Band Survey) program using medium-band filters. Observational data for 84 selected objects from the catalog of catac...

    M. M. Gabdeev, T. A. Fatkhullin, N. V. Borisov, V. V. Shimansky in Astronomy Letters (2020)