Search Results - "Tavrov, A. V."

Wavefront Correction for the Observation of an Exoplanet against the Background of the Diffraction Stellar Vicinity by Yudaev, A. V., Shashkova, I. A., Kiselev, A. V., Komarova, A. A., Tavrov, A. V.

“…We propose and investigate a precise wavefront correction method for the astronomical observation of exoplanets in the diffraction stellar vicinity. We show…”
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Comparison of the mass distributions of short-period exoplanets detected by transit and RV methods by Yakovlev, Oleg Ya, Ananyeva, V I, Ivanova, A E, Tavrov, A V

“…ABSTRACT We analyse the causes of a discrepancy between the earlier obtained samples of the mass distributions of exoplanets detected by the transit method and…”
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The Mass and Orbital-Period Distributions of Exoplanets Accounting for the Observational Selection of the Method for Measuring Radial Velocities. A Dominant (Averaged) Structure of Planetary Systems by Ananyeva, V. I., Ivanova, A. E., Shashkova, I. A., Yakovlev, O. Ya, Tavrov, A. V., Korablev, O. I., Bertaux, J.-L.

“…Statistical distributions of exoplanets obtained by both ground-based and satellite telescopes are heavily distorted by observational selection. It is easier…”
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Heritage of the Kepler mission: Special object KIC 8462852 and criticism of the cometary hypothesis by Ksanfomality, L. V., Tavrov, A. V.

“…Paradoxical properties of the KIC 8462852 object discovered in the course the Kepler mission are considered. It has been shown that the assumptions about the…”
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Catalog of Variable Stars in the WD 0009501 and GRW 708247 Fields Based on Photometric Survey Data on Transiting Exoplanets by Yakovlev, O. Ya, Valeev, A. F., Valyavin, G. G., Aitov, V. N., Mitiani, G. Sh, Fathullin, T. A., Beskin, G. M., Tavrov, A. V., Korablev, O. I., Galazutdinov, G. A., Vlasyuk, V. V., Emelianov, E. V., Sasyuk, V. V., Perkov, A. V., Bondar, S. F., Burlakova, T. E., Fabrika, S. N., Romanyuk, I. I.

“…The light curves for almost 50 thousand stars with magnitudes have been obtained over 2.5 years at SAO RAS in the process of conducting an exoplanet survey in…”
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A Fast Search-Free Algorithm for Star Sensor Frame Identification by Star Configurations. A Version of Onboard Implementation by Barke, V. V., Venkstern, A. A., Kottsov, V. A., Tavrov, A. V., Yudaev, A. V.

“…—The paper presents a method for identifying the frame of a star sensor (SS), based on determination of the star local features allowing its unique…”
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The ‘‘Detectability Window’’ Method to Take into Account Observational Selection in the Statistics of Exoplanets Discovered through Radial Velocity Measurements by Ivanova, A. E., Yakovlev, O. Ya, Ananyeva, V. I., Shashkova, I. A., Tavrov, A. V., Bertaux, J.-L.

“…A method of correcting the statistical data of the exoplanets discovered through radial velocity measurements is proposed. The statistical regularities of the…”
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Eight Exoplanet Candidates in SAO Survey by Yakovlev, O. Ya, Valeev, A. F., Valyavin, G. G., Tavrov, A. V., Aitov, V. N., Mitiani, G. Sh, Beskin, G. M., Korablev, O. I., Galazutdinov, G. A., Vlasyuk, V. V., Emelyanov, E. V., Fatkhullin, T. A., Sasyuk, V. V., Perkov, A. V., Bondar’, S. F., Burlakova, T. E., Fabrika, S. N., Romanyuk, I. I.

“…We report eight new exoplanet candidates discovered at the Special Astrophysical Observatory of the Russian Academy of Sciences using the transit technique…”
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The Mass Distribution of Transiting Exoplanets Corrected for Observational Selection Effects by Ivanova, A. E., Ananyeva, V. I., Venkstern, A. A., Shashkova, I. A., Yudaev, A. V., Tavrov, A. V., Korablev, O. I., Bertaux, J.-L.

“…The mass distribution of transiting exoplanets has been corrected for observational selection effects: the probability of a mass determination (for planets…”
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Observations of Radial Velocity Variability in Stars from the Spectra Obtained with the BTA Fiber-Fed Spectrograph in High Spectral Resolution Mode by Burlakova, T. E., Valyavin, G. G., Aitov, V. N., Galazutdinov, G. A., Valeev, A. F., Yakunin, I. A., Gadelshin, D. R., Bychkov, V. D., Tavrov, A. V., Ivanova, A. E., Korablev, O. I.

“…—We present the results of observations of radial velocity variability in stars with exoplanets. Observations of a number of stars with characteristic stellar…”
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High-Resolution Fiber-Fed Spectrograph for the 6-m Telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences: Assessment of Efficiency by Valyavin, G. G., Musaev, F. A., Perkov, A. V., Aitov, V. N., Bychkov, V. D., Drabek, S. V., Shergin, V. S., Sazonenko, D. A., Kukushkin, D. E., Galazutdinov, G. A., Emelyanov, E. V., Yakopov, G. V., Burlakova, T. E., Bertaux, J.-L., Tavrov, A. V., Korablev, O. I., Yushkin, M. V., Valeev, A. F., Gadelshin, D. R., Kim, K.-M., Han, Inwoo, Lee, B.-Ch

“…—We report the results of laboratory tests of the first version of the high-resolution fiber-fed spectrograph designed for the Special Astrophysical…”
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Development of spatial coherence from an extended source in successive rotational shearing interferometers for achromatic stellar coronagraphy by Tavrov, A. V.

“…We propose a new scheme of an achromatic nulling interferometer-coronagraph to gain a higher contrast in the star-planet model. Two successive rotational…”
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Stellar-coronagraph observations of the phase curves of exoplanets by Frolov, P. N., Anan’eva, V. I., Ksanfomality, L. V., Tavrov, A. V.

“…Over the two decades that have passed since the discovery of the first extrasolar planet 51 Peg b, almost all of the newly discovered exoplanets have been…”
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Achromatic interfero-coronagraph with variable rotation shearing for studying extrasolar planets by Frolov, P. N., Akhmetov, I. I., Shkurskii, B. B., Gvozdovskii, I. V., Kiselev, A. V., Korablev, O. I., Tavrov, A. V.

“…Direct observation of exoplanets will make it possible to clarify many principal questions connected both with extrasolar planets and planetary systems and to…”
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An Achromatic 3D-Interferometer for Monitoring and Analyzing Wavefront Quality by Akhmetov, I. I., Frolov, P. N., Shkurskii, B. B., Rinkevichius, B. S., Kiselev, A. V., Tavrov, A. V.

“…Modern methods of monitoring the wavefront of optical beams are analyzed. An achromatic 3D-interferometer for the express monitoring of wavefront quality over…”
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Phase calculation for image rotation in a nonplanar polarization nulling interferometer by Tavrov, A. V., Orlov, D. A., Vinogradov, I. I.

“…We propose a new matrix method for calculating geometric image rotation, taking into account the effects of the geometric and dynamic phases in a nonplanar…”
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Catalog of variable stars in the WD 0009+501 and GRW +708247 fields based on photometric survey data on transiting exoplanets by Yakovlev, O. Ya, Valeev, A. F, Valyavin, G. G, Aitov, V. N, Mitiani, G. Sh, Fatkhullin, T. A, Beskin, G. M, Tavrov, A. V, Korablev, O. I, Galazutdinov, G. A, Vlasyuk, V. V, Emelianov, E. V, Sasyuk, V. V, Perkov, A. V, Bondar, S. F, Burlakova, T. E, Fabrika, S. N, Romanyuk, I. I

“…We present a catalog of 150 variable stars, including 13 stars with exoplanet candidates. 37 stars were identified as variables for the first time. As a result…”
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Stellar coronagraph using the principle of achromatic null-interferometer by Tavrov, A. V., Korablev, O. I., Rodin, A. V., Vinogradov, I. I., Trokhimovsky, A. Yu, Ivanov, A. Yu, Ksanfomaliti, L. V., Orlov, D. A.

“…In order to observe exoplanets we propose a space-based achromatic stellar coronagraph combined with a 0.8–1.5 m telescope. We develop an achromatic common…”
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Eight exoplanet candidates in SAO survey by Yakovlev, O. Ya, Valeev, A. F, Valyavin, G. G, Tavrov, A. V, Aitov, V. N, Mitiani, G. Sh, Beskin, G. M, Vlasyuk, V. V, Korablev, O. I, Galazutdinov, G. A, Emelianov, E. V, Fatkhullin, T. A, Sasyuk, V. V, Perkov, A. V, Bondar, S. F, Burlakova, T. E, Fabrika, S. N, Romanyuk, I. I

“…Here we present eight new candidates for exoplanets detected by the transit method at the Special Astrophysical Observatory of the Russian Academy of Sciences…”
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Exoplanet two square degree survey with SAO RAS robotic facilities by Yakovlev, O. Ya, Valeev, A. F, Valyavin, G. G, Tavrov, A. V, Aitov, V. N, Mitiani, G. Sh, Korablev, O. I, Galazutdinov, G. A, Beskin, G. M, Emelianov, E. V, Fatkhullin, T. A, Vlasyuk, V. V, Sasyuk, V. V, Perkov, A. V, Bondar, S, Burlakova, T. E, Fabrika, S. N, Romanyuk, I. I

“…We used the 0.5-m robotic telescopes located at the Special Astrophysical Observatory of the Russian Academy of Sciences for monitoring two square degrees of…”
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