Orbit of the visual binary star 61 Cyg von Izmailov, I. S., Apetyan, A. A.

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Improving the Orbits of Four Visual Binaries Using Gaia DR2 Data and Observations with the 26-inch Refractor of Pulkovo Observatory von Romanenko, L. G., Izmailov, I. S.

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Study of the Components of the Double Star ADS 15571 by Speckle Interferometry von Sokov, E. N., Gorshanov, D. L., Izmailov, I. S., Shakht, N. A., Sokova, I. A., Beskakotov, A. S., Dyachenko, V. V., Maksimov, A. F., Mitrofanova, A. A., Rasstegaev, D. A.

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Astrometric Study of Two Multiple Stars: ADS 2668 and ADS 8236 von Kiyaeva, O. V., Izmailov, I. S.

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Trigonometric parallaxes of 71 large proper motion stars von Khovritchev, M. Yu, Izmailov, I. S., Khrutskaya, E.V.

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Relative Motion in the Hierarchical Triple System ADS48 on the Basis of Gaia DR2 and 26-Inch Refractor of Pulkovo Observatory Data von Kiyaeva, O. V., Zhuchkov, R. Ya, Izmailov, I. S.

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Astrometric observations of the main Uranian satellites at the Pulkovo Observatory in 2007–2016 von Ershova, A.P., Roshchina, E.A., Izmailov, I.S.

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Study of the Binary Star ADS 7251 by Observations on the 65-cm Refractor at Pulkovo from 1962-2018 von Shakht, N. A., Gorshanov, D. L., Izmailov, I. S., Romanenko, L. G.

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Astrometric study of the relative motion of three stars with possible invisible companions based on homogeneous series obtained at Pulkovo with a 26-inch refractor von Kiyaeva, O. V., Gorynya, N. A., Izmailov, I. S.

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New Orbit and Estimate of the Mass of the Star 61 Cygni Based on Observations of it in 1819-2019 von Izmailov, I. S., Shakht, N. A., Polyakov, E. V., Gorshanov, D. L., Pogodin, M. A.

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The Orbits of 451 Wide Visual Double Stars von Izmailov, I. S.

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Astrometric studies of the results of a new reduction of old photographic observations of the Saturnian System based on the comparison with the modern theories of satellite motion von Kiseleva, T. P., Vasil’eva, T. A., Roshchina, E. A., Izmailov, I. S.

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Searching for Binary Systems Among Nearby Dwarfs Based on Pulkovo Observations and SDSS Data von Khovrichev, M. Yu, Apetyan, A. A., Roshchina, E. A., Izmailov, I. S., Bikulova, D. A., Ershova, A. P., Balyaev, I. A., Kulikova, A. M., Petyur, V. V., Shumilov, A. A., Os’kina, K. I., Maksimova, L. A.

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Astrometric observations of satellites of Uranus using a 26-inch refractor in 2007–2011 von Roshchina, E. A., Izmailov, I. S., Kiseleva, T. P.

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New astrometric reduction of old photographic observations of Saturn’s moons based on digitizing of astronegatives von Kiseleva, T. P., Vasil’eva, T. A., Izmailov, I. S., Roshchina, E. A.

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Photographic observations of visual double stars at Pulkovo: Digitization, measurement, and calibration von Izmailov, I. S., Roshchina, E. A., Kiselev, A. A., Kiseleva, T. P., Kalinichenko, O. A., Bykov, O. P., Kiyaeva, O. V., Romanenko, L. G., Shakht, N. A., Maslennikov, K. L., Vasil’eva, T. A.

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Pulkovo catalog of relative positions and motions of visual double and multiple stars from photographic observations with the 26-inch refractor in 1960–2007 von Kiselev, A. A., Kiyaeva, O. V., Izmailov, I. S., Romanenko, L. G., Kalinichenko, O. A., Vasil’kova, O. O., Vasil’eva, T. A., Shakht, N. A., Gorshanov, D. L., Roschina, E. A.

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Trigonometric parallaxes of 29 stars with large proper motions von Khrutskaya, E. V., Izmailov, I. S., Khovrichev, M. Yu

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Astrometric CCD observations of visual double stars at the Pulkovo Observatory von Izmailov, I. S., Khovricheva, M. L., Khovrichev, M. Yu, Kiyaeva, O. V., Khrutskaya, E. V., Romanenko, L. G., Grosheva, E. A., Maslennikov, K. L., Kalinichenko, O. A.

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Astrometric observations of major satellites of Saturn with a 26-inch refractor von Grosheva, E. A., Izmailov, I. S., Kiseleva, T. P.

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