Search Results - "Shenavrin, V."

Competitive X-Ray and Optical Cooling in the Collisionless Shocks of WR 140 by Pollock, A. M. T., Corcoran, M. F., Stevens, I. R., Russell, C. M. P., Hamaguchi, K., Williams, P. M., Moffat, A. F. J., Weigelt, G., Shenavrin, V., Richardson, N. D., Espinoza, D., Drake, S. A.

“…Abstract The long-period, highly eccentric Wolf-Rayet star binary system WR 140 has exceptionally well-determined orbital and stellar parameters. Bright,…”
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Analysis of colour and polarimetric variability of RW Aur A in 2010–2018 by Dodin, A, Grankin, K, Lamzin, S, Nadjip, A, Safonov, B, Shakhovskoi, D, Shenavrin, V, Tatarnikov, A, Vozyakova, O

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ALMA Monitoring of Millimeter Line Variation in IRC +10216. I. Overview of Millimeter Variability by He, J. H., Kami ski, T., Mennickent, R. E., Shenavrin, V. I., Mardones, Diego, Wang, Wei, Tang, Baitian, Schmidt, M. R., Szczerba, R., Ge, Jixing

“…Temporal variation of millimeter lines is a new direction of research for evolved stars. It has the potential to probe the dynamical wind-launching processes…”
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Dynamics of wind and the dusty environments in the accreting T Tauri stars RY Tauri and SU Aurigae by Petrov, P P, Grankin, K N, Gameiro, J F, Artemenko, S A, Babina, E V, de Albuquerque, R M G, Djupvik, A A, Gahm, G F, Shenavrin, V I, Irsmambetova, T R, Fernandez, M, Mkrtichian, D E, Gorda, S Yu

“…Abstract Classical T Tauri stars with ages of less than 10 Myr possess accretion discs. Magnetohydrodynamic processes at the boundary between the disc and the…”
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FG Sge: New Multicolor Photometry and Short-Term Dust Shell Clearing in 2019 by Arkhipova, V. P., Ikonnikova, N. P., Shenavrin, V. I., Burlak, M. A., Tatarnikov, A. M., Tsvetkov, D. Yu, Belinskii, A. A., Pavlyuk, N. N., Shugarov, S. Yu

“…We present the results of a new stage of the long-term photometric study of FG Sge which is a quickly evolving central star of the planetary nebula Hen 1-5…”
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Study of the Carbon Star T Draconis by Tatarnikov, A. M., Zheltoukhov, S. G., Shenavrin, V. I., Sergeenkova, I. V., Vakhonin, A. A.

“…We present the results of the infrared photometric observations in the bands and infrared spectroscopic observations in the range 1–2.5 m for the carbon Mira…”
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Search for and study of hot circumstellar dust envelopes by Shenavrin, V. I., Taranova, O. G., Nadzhip, A. E.

“…Long-term (1984–2008) JHKLM photometry for 254 objects is presented. The observations were carried out in the standard JHKLM photometric system using an…”
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Multicolor Photometry and Peculiarities of the Spectrum for the post-AGB Candidate AU Vulpeculae (IRAS 20160+2734) by Ikonnikova, N. P., Shenavrin, V. I., Komissarova, G. V., Burlak, M. A., Shaposhnikov, I. A., Belinskii, A. A., Esipov, V. F., Tatarnikov, A. M., Dodin, A. V., Zheltoukhov, S. G.

“…We present the results of a UBVRcIc and JHKLM photometric monitoring campaign conducted in 2016–2020, low-resolution spectroscopy, and an analysis of the…”
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Results of Many-year Photometry of the Herbig Ae Star AB Aur in the Near Infrared by Shenavrin, V. I., Grinin, V. P., Baluev, R. V., Demidova, T. V.

“…The results of many-year infrared observations of the Herbig AeBe star AB Aur at 1-5 μ m ( JHKLM bands) are presented. The duration of the photometric series,…”
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Recurrent Symbiotic Nova T Coronae Borealis before Outburst by Maslennikova, N. A., Tatarnikov, A. M., Tatarnikova, A. A., Dodin, A. V., Shenavrin, V. I., Burlak, M. A., Zheltoukhov, S. G., Strakhov, I. A.

“…The results of photometric and spectral observations of T CrB obtained in a wide range of wavelengths in 2011–2023 are presented. We use the near-IR light…”
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X Per and V725 Tau: infrared variations on timescales longer than fifteen years by Taranova, O. G., Shenavrin, V. I.

“…The results of infrared observations of the two Be stars X Per and V725 Tau, which are the optical components of X-ray binary systems, obtained in 1994–2016…”
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The Relative Wavelength Independence of IR Time Lags in NGC 4151 during the Years 2010–2015 by Oknyansky, V. L., Shenavrin, V. I., Metlova, N. V., Gaskell, C. M.

“…We present results of a study of the correlation between the infrared ( JHKL ) and optical ( B ) fluxes of the nucleus of the Seyfert galaxy NGC 4151 for the…”
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Surprising Variability of the Planetary Nebula IC 4997 QV Sge by Arkhipova, V. P., Burlak, M. A., Ikonnikova, N. P., Komissarova, G. V., Esipov, V. F., Shenavrin, V. I.

“…We present the results of a new epoch (2009–2019) of a long-term (50 years) photometric monitoring of the variable planetary nebula IC 4997 (QV Sge). The…”
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A Model of the Dust Envelope of the Carbon Mira Star V CrB from Photometry, Infrared Spectroscopy, and Speckle Polarimetry by Fedoteva, A. A., Tatarnikov, A. M., Safonov, B. S., Shenavrin, V. I., Komissarova, G. V.

“…photometry for the carbon Mira star V CrB are presented. The infrared observations were carried out in the time interval 1989–2018, while the , , and data were…”
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Infrared variability of three hot stars on a time scale of 10–20 years by Taranova, O. G., Shenavrin, V. I.

“…Long-term (1994–2014) near-infrared observations of P Cyg, kDra, and BUTau are analyzed. It is shown that the observed brightness and color variations in P Cyg…”
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Correlation of near-infrared and optical variability of NGC 4151 in 2008–2013 by Oknyansky, V. L., Metlova, N. V., Taranova, O. G., Shenavrin, V. I., Artamonov, B. P., Gaskell, C. M.

“…We investigate the correlation between infrared ( JHKL ) and optical ( B ) fluxes of the variable nucleus of the Seyfert galaxy NGC4151 using partially…”
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Cool Spots on the Surface of the Active Giant PZ Mon by Pakhomov, Yu. V., Shenavrin, V. I., Bondar’, N. I., Antonyuk, K. A., Pit’, N. V., Belan, S. P., Gorda, S. Yu

“…Based on the multicolor ( BVRIJHKL ) photometric observations of the active red giant PZ Mon performed for the first time in the winter season of 2017–2018, we…”
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Quiescent and Active States of V1413 Aql I: Photometric Activity Criterion and the Detection of a Secondary Minimum by Tatarnikova, A. A., Tatarnikov, A. M., Kolotilov, E. A., Shenavrin, V. I., Komissarova, G. V.

“…We present the results of our photometric UBV JHKL observations for the symbiotic star V1413 Aql obtained in 2012–2018. An analysis of the data has shown that…”
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Multicolor Photometry and Spectroscopy of the Yellow Supergiant with Dust Envelope HD 179821 = V1427 Aquilae by Ikonnikova, N. P., Taranova, O. G., Arkhipova, V. P., Komissarova, G. V., Shenavrin, V. I., Esipov, V. F., Burlak, M. A., Metlov, V. G.

“…We present the results of multicolor ( UBV JHKLM ) photometry (2009–2017) and low-resolution spectroscopy (2016–2017) of the semi-regular variable V1427 Aql =…”
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FG SGE: Evolution of the circumstellar dust shell (JHKLM Photometry in 1985–2013) by Taranova, O. G., Shenavrin, V. I.

“…Long-term (1985–2013) JHKLM photometry for FG Sge is analyzed. Parameters of the supergiant and optical properties of the dust in the dust shell (DS) have been…”
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