Search Results - "Rastorguev, A. S"

Classical Cepheids and the spiral structure of the milky way by Dambis, A. K., Berdnikov, L. N., Efremov, Yu. N., Kniazev, A. Yu, Rastorguev, A. S., Glushkova, E. V., Kravtsov, V. V., Turner, D. G., Majaess, D. J., Sefako, R.

“…We use data on space distribution of the currently most complete sample of Cepheids with reliable distances (565 stars), located within ~5 kpc from the Sun, to…”
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Analysis of galaxy kinematics based on Cepheids from the Gaia DR2 Catalogue by Bobylev, V V, Bajkova, A T, Rastorguev, A S, Zabolotskikh, M V

“…ABSTRACT To construct the rotation curve of the Galaxy, classical Cepheids with proper motions, parallaxes and line-of-sight velocities from the Gaia DR2…”
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RR Lyrae variables: visual and infrared luminosities, intrinsic colours and kinematics by Dambis, A. K., Berdnikov, L. N., Kniazev, A. Y., Kravtsov, V. V., Rastorguev, A. S., Sefako, R., Vozyakova, O. V.

“…We use US Naval Observatory CCD Astrograph Catalogue (UCAC4) proper motions and Wide-Field Infrared Survey Explorer (WISE) W1-band apparent magnitudes and…”
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Fractal Effects of the Stellar Medium in the Vicinity of the Sun According to Gaia DR2 Data by Ostashova, M. L., Rastorguev, A. S.

“…In this paper, we study the fractal properties of the stellar medium in the solar vicinity based on the Gaia DR2 data for 200 000 stars of all spectral types…”
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Mid-infrared period-luminosity relations for globular cluster RR Lyrae by Dambis, A. K., Rastorguev, A. S., Zabolotskikh, M. V.

“…The period-metallicity-WISE W1- and W2-band luminosity relations are derived for RR Lyrae stars based on WISE epoch photometry for 360 and 275 stars in 15 and…”
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Herbig–Haro flows around the BBWo 192E (GM 1–23) nebula by Magakian, T Yu, Movsessian, T A, Andreasyan, H R, Bally, J, Rastorguev, A S

“…ABSTRACT Looking for evidence of recent star formation, we have studied a small comet-shaped reflection nebula, known as BBWo 192E (GM 1–23), which is located…”
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A revision of the vdB 130 cluster stellar content based on Gaia DR2 data: interstellar extinction toward the Cyg OB1 supershell by Sitnik, T G, Rastorguev, A S, Tatarnikova, A A, Tatarnikov, A M, Egorov, O V, Tatarnikov, A A

“…ABSTRACT Two star-forming regions are studied: the young embedded open cluster vdB 130 and the protocluster neighbourhood observed in the head and tail of the…”
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Kinetic properties of fractal stellar media by Chumak, O V, Rastorguev, A S

“…Kinetic processes in fractal stellar media are analysed in terms of the approach developed in our earlier paper involving a generalization of the nearest…”
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Problems of Determining the Degree of Star Concentration Towards the Center of Globular Clusters by Turaev, S. J., Nuritdinov, S. N., Rastorguev, A. S., Tadjibaev, I. U.

“…In this paper, we analyze the apparent surface density observations of 81 globular clusters provided by Gaia DR2. The problems of analyzing these observations…”
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To the Globular Cluster Classification Problem. Calculating the Concentration of Stars for 26 Clusters by Nuritdinov, S. N., Tatjibaev, I. U., Rastorguev, A. S.

“…In view of the absence of a satisfactory solution to the globular cluster (GC) classification problem, we have searched for a physical parameter that admits of…”
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Herbig-Haro Flows and Young Stars in the Dobashi 5006 Dark Cloud by Movsessian, T. A., Magakian, T. Yu, Rastorguev, A. S., Andreasyan, H. R.

“…Two new Herbig-Haro flows were found in a study of the isolated Dobashi 5006 dark cloud (l = 216°.7, b = –13°.9): one certain (HH 1179) and one presumable,…”
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New Version of the Pulsating Photospheres Method: Multiphase Temprature Measurements of Cepheids by Rastorguev, A. S., Zabolotskikh, M. V., Lazovik, Ya. A., Gorynya, N. A., Berdnikov, L. N.

“…We propose a new version of the (Baade–Becker–Wesselink) pulsating photospheres method based on direct spectral measurements of the effective temperatures of…”
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The Circumstellar Envelope of the Semiregular Variable Star V CVn by Safonov, B. S., Dodin, A. V., Lamzin, S. A., Rastorguev, A. S.

“…V CVn is a red semiregular variable star with an amplitude of its V -band brightness variations of ≈2 m . An unusually high amplitude of its polarization…”
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Analysis of the Interstellar Matter at the Periphery of the Supershell Surrounding the Cyg OB1 Association in 2.12 Micron Molecular Hydrogen Line by Wiebe, D. S., Sitnik, T. G., Rastorguev, A. S., Lozinskaya, T. A., Tatarnikov, A. M., Tatarnikova, A. A., Topchieva, A. P., Zabolotskikh, M. V., Fedoteva, A. A., Tatarnikov, A. A.

“…We present observations of the vdB 130 cluster vicinity in a narrow-band filter centered at a molecular hydrogen line performed at the Caucasus Mountain…”
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Photometry of the poorly studied galactic open star clusters King 13, King 18, King 19, King 20, NGC 136, and NGC 7245 by Glushkova, E. V., Zabolotskikh, M. V., Koposov, S. E., Spiridonova, O. I., Vlasyuk, V. V., Rastorguev, A. S.

“…We present the results of our BV R c I c CCD photometry for six Galactic open star clusters toward the Perseus spiral armperformed at the Special Astrophysical…”
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Star-forming regions at the periphery of the supershell surrounding the Cyg OB1 association – I. The star cluster vdB 130 and its ambient gas and dust medium by Sitnik, T. G., Egorov, O. V., Lozinskaya, T. A., Moiseev, A. V., Rastorguev, A. S., Tatarnikov, A. M., Tatarnikova, A. A., Wiebe, D. S., Zabolotskikh, M. V.

“…Stellar population and the interstellar gas–dust medium in the vicinity of the open star cluster vdB 130 are analysed using optical observations taken with the…”
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A New Revision of the Stellar Content and Physical Properties of the Young Open Cluster vdB 130 in the Region of the Stellar Association Cyg OB1 Based on Gaia DR3 Data by Rastorguev, A. S., Zabolotskikh, M. V., Sitnik, T. G., Wiebe, D. S., Tatarnikov, A. M., Tatarnikova, A. A., Topchieva, A. P., Tatarnikov, A. A.

“…Based on Gaia DR3 data, a new revision of the stellar content is performed within the -radius field centered on the young open cluster vdB 130, which is a part…”
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Kinematics and Dynamics of the Galactic Halo from RR Lyrae Variable Stars by Utkin, N. D., Dambis, A. K., Rastorguev, A. S., Klinchev, A. D., Ablimit, I., Zhao, G.

“…Based on a sample of RR Lyrae variable stars including more than 9000 objects with proper motions and distances, we have investigated the kinematics of the…”
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Fractal properties of stellar systems and random forces by Chumak, O. V., Rastorguev, A. S.

“…The nearest neighbor distance distribution law is generalized to fractal stellar media. The asymptotics of the distribution law for the magnitude of a large…”
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The effect of multiplicity of stellar encounters and the diffusion coefficients in a locally homogeneous three-dimensional stellar medium: Removing the classical divergence by Rastorguev, A. S., Utkin, N. D., Chumak, O. V.

“…Agekyan’s λ-factor that allows for the effect of multiplicity of stellar encounters with large impact parameters has been used for the first time to directly…”
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