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1,149 results on '"Kornilov, V."'

201. Optical Transients Detected by MASTER during LIGO/VIRGO O2 Set Event

Author

Lipunov, V., primary, Kornilov, V., additional, Gorbovskoy, E., additional, Vlasenko, D., additional, Tiurina, N., additional, Gress, O. A., additional, Gorbunov, I., additional, Balanutsa, P., additional, Pozdnyakov, A., additional, Buckley, D., additional, Podesta, R., additional, Rebolo, R., additional, Serra, M., additional, Balakin, F., additional, Chasovnikov, A., additional, Topolev, V., additional, Zhirkov, K., additional, Kuznetsov, A., additional, Vladimirov, V., additional, Gabovich, A., additional, Zimnukhov, D., additional, Kuvshinov, D., additional, Podesta, F., additional, Francile, C., additional, Budnev, N. M., additional, Sergienko, Yu., additional, Tlatov, A., additional, and Cheryasov, D., additional

Published
2020
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202. Optical Transients Found by MASTER during the Observation of LIGO/VIRGO S200219ac Gravitational-wave Event

Author

Lipunov, V., primary, Kornilov, V., additional, Vlasenko, D., additional, Tiurina, N., additional, Gorbovskoy, E., additional, Gress, O. A., additional, Gorbunov, I., additional, Balanutsa, P., additional, Cheryasov, D., additional, Pozdnyakov, A., additional, Buckley, D., additional, Podesta, R., additional, Rebolo, R., additional, Serra, M., additional, Balakin, F., additional, Chasovnikov, A., additional, Topolev, V., additional, Zhirkov, K., additional, Kuznetsov, A., additional, Vladimirov, V., additional, Senik, V., additional, Gabovich, A., additional, Podesta, F., additional, Francile, C., additional, Budnev, N. M., additional, Sergienko, Yu., additional, Tlatov, A., additional, Grinshpun, V., additional, Minkina, E., additional, and Yurkov, V., additional

Published
2020
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203. MASTER Follow-up Observations of LIGO GW170104 Event

Author

Lipunov, V., primary, Kornilov, V., additional, Gorbovskoy, E., additional, Vlasenko, D., additional, Tiurina, N., additional, Gress, O., additional, Gorbunov, I., additional, Balanutsa, P., additional, Pozdnyakov, A., additional, Buckley, D., additional, Podesta, R., additional, Rebolo, R., additional, Serra, M., additional, Balakin, F., additional, Chasovnikov, A., additional, Topolev, V., additional, Zhirkov, K., additional, Kuznetsov, A., additional, Vladimirov, V., additional, Senik, V., additional, Cheryasov, D., additional, Gabovich, A., additional, Zimnukhov, D., additional, Kuvshinov, D., additional, Podesta, F., additional, Francile, C., additional, Budnev, N., additional, Sergienko, Yu., additional, Tlatov, A., additional, Grinshpun, V., additional, Pogrosheva, T., additional, Shumkov, V., additional, Minkina, E., additional, and Yurkov, V., additional

Published
2020
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204. First Prompt Optical Observations of Nearest Fast Radio Burst new New Astromomical Method

Author

Lipunov, Vladimir, primary, Kornilov, V., additional, Gorbovskoy, E., additional, Zhirkov, Kirill, additional, Chasovnikov, Aristarkh, additional, Tiurina, N., additional, Budnev, Nikolay, additional, Gress, O., additional, Rebolo, Rafael, additional, Serra-Ricart, Miquel, additional, Sergienko, Yuri, additional, Yurkov, Vladimir, additional, Gabovich, Alexander, additional, Tlatov, Andrey, additional, Gorbunov, Igor, additional, Vlasenko, Daniil, additional, Balanutsa, Pavel, additional, Balakin, Filipp, additional, Topolev, Vladislav, additional, Vladimirov, V., additional, Kuznetsov, Artem, additional, Grinshpun, Valeria, additional, and Minkina, Ekaterina, additional

Published
2020
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206. Optical Observations Reveal Strong Evidence for High-energy Neutrino Progenitor

Author

Lipunov, V. M., primary, Kornilov, V. G., additional, Zhirkov, K., additional, Gorbovskoy, E., additional, Budnev, N. M., additional, Buckley, D. A. H., additional, Rebolo, R., additional, Serra-Ricart, M., additional, Podesta, R., additional, Tyurina, N ., additional, Gress, O., additional, Sergienko, Y., additional, Yurkov, V., additional, Gabovich, A., additional, Balanutsa, P., additional, Gorbunov, I., additional, Vlasenko, D., additional, Balakin, F., additional, Topolev, V., additional, Pozdnyakov, A., additional, Kuznetsov, A., additional, Vladimirov, V., additional, Chasovnikov, A., additional, Kuvshinov, D., additional, Grinshpun, V., additional, Minkina, E., additional, Petkov, V. B., additional, Svertilov, S. I., additional, Lopez, C., additional, Podesta, F., additional, Levato, H., additional, Tlatov, A., additional, Van Soelen, B., additional, Razzaque, S, additional, and Böttcher, M., additional

Published
2020
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214. Multiwavelength observations of GRB 140629A

Author

Hu, Y.-D., primary, Oates, S. R., additional, Lipunov, V. M., additional, Zhang, B.-B., additional, Castro-Tirado, A. J., additional, Jeong, S., additional, Sánchez-Ramírez, R., additional, Tello, J. C., additional, Cunniffe, R., additional, Gorbovskoy, E., additional, Caballero-García, M. D., additional, Pandey, S. B., additional, Kornilov, V. G., additional, Tyurina, N. V., additional, Kuznetsov, A. S., additional, Balanutsa, P. V., additional, Gress, O. A., additional, Gorbunov, I., additional, Vlasenko, D. M., additional, Vladimirov, V. V., additional, Budnev, N. M., additional, Balakin, F., additional, Ershova, O., additional, Krushinski, V. V., additional, Gabovich, A. V., additional, Yurkov, V. V., additional, Gorosabel, J., additional, Moskvitin, A. S., additional, Burenin, R. A., additional, Sokolov, V. V., additional, Delgado, I., additional, Guziy, S., additional, Fernandez-García, E. J., additional, and Park, I. H., additional

Published
2019
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227. Multiwavelength observations of GRB 140629A: a long burst with an achromatic jet break in the optical and X-ray afterglow

Author

China Scholarship Council, Ministerio de Economía y Competitividad (España), European Commission, Leverhulme Trust, Agenzia Spaziale Italiana, Ministry of Education and Science of the Russian Federation, National Key Research and Development Program (China), Hu, YD, Oates, S.R., Lipunov, V. M., Zhang, BB, Castro-Tirado, Alberto J., Jeong, S., Sánchez-Ramírez, R., Tello, J. C., Cunniffe, R., Gorbovskoy, E, Caballero-García, María Dolores, Pandey, Shashi Bhushan, Kornilov, V. G., Tyurina, NV, Kuznetsov, AS, Balanutsa, PV, Gress, OA, Gorbunov, I., Vlasenko, DM, Vladimirov, VV, Budnev, NM, Balakin, F, Ershova, O., Krushinski, VV, Gabovich, AV, Yurkov, VV, Gorosabel, Javier, Moskvitin, AS, Burenin, RA, Sokolov, Vladimir V., Delgado, I., Guziy, Sergey, Fernandez-Garcia, E.J., Park, I. H., China Scholarship Council, Ministerio de Economía y Competitividad (España), European Commission, Leverhulme Trust, Agenzia Spaziale Italiana, Ministry of Education and Science of the Russian Federation, National Key Research and Development Program (China), Hu, YD, Oates, S.R., Lipunov, V. M., Zhang, BB, Castro-Tirado, Alberto J., Jeong, S., Sánchez-Ramírez, R., Tello, J. C., Cunniffe, R., Gorbovskoy, E, Caballero-García, María Dolores, Pandey, Shashi Bhushan, Kornilov, V. G., Tyurina, NV, Kuznetsov, AS, Balanutsa, PV, Gress, OA, Gorbunov, I., Vlasenko, DM, Vladimirov, VV, Budnev, NM, Balakin, F, Ershova, O., Krushinski, VV, Gabovich, AV, Yurkov, VV, Gorosabel, Javier, Moskvitin, AS, Burenin, RA, Sokolov, Vladimir V., Delgado, I., Guziy, Sergey, Fernandez-Garcia, E.J., and Park, I. H.

Abstract

We investigate the long gamma-ray burst (GRB) 140629A through multiwavelength observations to derive the properties of the dominant jet and its host galaxy. Methods. The afterglow and host galaxy observations were taken in the optical (Swift/UVOT and various facilities worldwide), infrared (Spitzer), and X-rays (Swift/XRT) between 40 s and 3 yr after the burst trigger. Results. Polarisation observations by the MASTER telescope indicate that this burst is weakly polarised. The optical spectrum contains absorption features, from which we confirm the redshift of the GRB as originating at z=2.276 +/- 0.001. We performed spectral fitting of the X-rays to optical afterglow data and find there is no strong spectral evolution. We determine the hydrogen column density N-H to be 7.2 x 10(21) cm(-2) along the line of sight. The afterglow in this burst can be explained by a blast wave jet with a long-lasting central engine expanding into a uniform medium in the slow cooling regime. At the end of energy injection, a normal decay phase is observed in both the optical and X-ray bands. An achromatic jet break is also found in the afterglow light curves similar to 0.4 d after trigger. We fit the multiwavelength data simultaneously with a model based on a numerical simulation and find that the observations can be explained by a narrow uniform jet in a dense environment with an opening angle of 6.7 degrees viewed 3.8 degrees off-axis, which released a total energy of 1.4 x 10(54) erg. Using the redshift and opening angle, we find GRB 140629A follows both the Ghirlanda and Amati relations. From the peak time of the light curve, identified as the onset of the forward shock (181s after trigger), the initial Lorentz factor (Gamma(0)) is constrained in the range 82-118. Fitting the host galaxy photometry, we find the host to be a low mass, star-forming galaxy with a star formation rate of log (SFR) 1.1(-0.4)(+0.9) M(circle dot)log(SFR)=1.1-0.4+0.9M circle dot$ \log\mathrm{(SFR)}=1.1_{-0.4}

Published
2019

235. Technology of combined turbulent flow control on an airfoil by distributed air blowing/suction.

Author

Kornilov, V. I., Kavun, I. N., Popkov, A. N., Fomin, Vasily, and Shiplyuk, Alexander

Subjects
*TURBULENCE, *TURBULENT flow, *AEROFOILS, *FLOW coefficient, *BOUNDARY layer (Aerodynamics), *TURBULENT boundary layer
Abstract

The concept of the turbulent-boundary layer control on a low-speed airfoil by combined air blowing / suction method through high-technology finely perforated sections, that are parts of the airfoil panel, is verified numerically and experimentally. Extensive studies of the mean flow parameters and turbulence characteristics in the boundary layer, pressure distribution on the airfoil surface, as well as drag and lift are performed. The flow rates coefficients varied in the range 0 − 9.33·10−4 and 0 − 8.48·10−4, respectively. Evaluation of the aerodynamic efficiency of this control method in the ground conditions shows that in the studied range of flow rate coefficients, the lift of the wing can be increased by at least 10%. The mechanism responsible for changing the physical properties of the flow and the aerodynamic characteristics of the airfoil with distributed air suction and blowing of various intensity is discussed. Particular attention is paid to the problems of applying the momentum method for the measurements of profile drag and the need for improvement of this technique in the conditions of suction / blowing on a low-speed airfoil. [ABSTRACT FROM AUTHOR]

Published
2020
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236. A Reverse Shock in GRB 181201A

Author

Laskar, Tanmoy, primary, Eerten, Hendrik van, additional, Schady, Patricia, additional, Mundell, C. G., additional, Alexander, Kate D., additional, Duran, Rodolfo Barniol, additional, Berger, Edo, additional, Bolmer, J., additional, Chornock, Ryan, additional, Coppejans, Deanne L., additional, Fong, Wen-fai, additional, Gomboc, Andreja, additional, Jordana-Mitjans, Núria, additional, Kobayashi, Shiho, additional, Margutti, Raffaella, additional, Menten, Karl M., additional, Sari, Re’em, additional, Yamazaki, Ryo, additional, Lipunov, V. M., additional, Gorbovskoy, E., additional, Kornilov, V. G., additional, Tyurina, N., additional, Zimnukhov, D., additional, Podesta, R., additional, Levato, H., additional, Buckley, D. A. H., additional, Tlatov, A., additional, Rebolo, R., additional, and Serra-Ricart, M., additional

Published
2019
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237. Early optical observations of seven gamma-ray bursts in comparison to their gamma X-ray characteristics in the MSU MASTER Global Robotic Telescopes Net

Author

Lipunov, V. M., primary, Tyurina, N. V., additional, Kornilov, V. G., additional, Gorbovskoy, E. S., additional, Vladimirov, V. V., additional, Kuznetzov, A. S., additional, Balanutsa, P. V., additional, Zimnukhov, D. S., additional, Chazov, V. V., additional, Vlasenko, D. M., additional, Tlatov, A. G., additional, Senik, V. A., additional, Ershova, O. A., additional, Gress, O. A., additional, Budnev, N. M., additional, Yazev, S. A., additional, Chvalaev, O. B., additional, Poleshchuk, V. A., additional, Ishmuhametova, Yu. V., additional, Yurkov, V. V., additional, Gabovich, A. V., additional, Sergienko, Yu. P., additional, Podesta, R., additional, Lopez, C., additional, Podesta, F., additional, Levato, H., additional, Lopez, R. R., additional, Serra-Ricart, M., additional, Lodieu, N., additional, Israelian, G., additional, Suarez-Andrez, L., additional, and Buckley, D., additional

Published
2019
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238. Multi-satellite Universat-SOCRAT mission for monitoring technogenic and natural hazards

Author

Sadovnichiy, V. A., primary, Panasyuk, M. I., additional, Lipunov, V. M., additional, Belov, A. A., additional, Bogomolov, V. V., additional, Garipov, G. K., additional, Gorbovskoi, E. S., additional, Iyudin, A. F., additional, Kalegaev, V. V., additional, Klimov, P. A., additional, Kornilov, V. G., additional, Mit, S. K., additional, Osedlo, V. I., additional, Petrov, V. L., additional, Podzolko, M. V., additional, Popova, E. P., additional, Rubinshtein, I. A., additional, Svertilov, S. I., additional, Tulupov, V. I., additional, Chepurnov, A. S., additional, and Yashin, I. V., additional

Published
2019
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239. MASTER INVESTIGATION OF ANTARES AND ICECUBE ALERTS

Author

Gress, O. A., primary, Lipunov, V. M., additional, Dornic, D., additional, Gorbovskoy, E. S., additional, Kornilov, V. G., additional, Tyurina, N. V., additional, Balanutsa, P. V., additional, Kuznetsov, A. S., additional, Vladimirov, V. V., additional, and Kuvshinov, D. A., additional

Published
2019
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241. The Concept of a Multi-Functional Astronomy Complex and Dynamically Integrated Database Applied to Multi-Channel Observations with the MASTER Global Network

Author

Lipunov, V. M., primary, Vladimirov, V. V., additional, Gorbovskoi, E. S., additional, Kuznetsov, A. S., additional, Zimnukhov, D. S., additional, Balanutsa, P. V., additional, Kornilov, V. G., additional, Tyurina, N. V., additional, Gress, O. A., additional, Vlasenko, D. M., additional, Gabovich, A. M., additional, Yurkov, V. V., additional, Kuvshinov, D. A., additional, and Senik, V. A., additional

Published
2019
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250. PHYSICAL AND MATHEMATICAL SIMULATION OF THE AXISYMMETRIC TURBULENT FLOW AROUND A BODY OF REVOLUTION WITH A LARGE ASPECT RATIO.

Author

Kornilov, V. I. and Shkvar, E. A.

Subjects
*TURBULENCE, *AXIAL flow, *TURBULENT flow, *NAVIER-Stokes equations, *BOUNDARY layer (Aerodynamics), *REYNOLDS stress
Abstract

A computational and experimental analysis of the properties and fundamental features of a turbulent boundary layer on an elongated axisymmetric body of revolution under conditions of an incompressible flow around it at the Reynolds number is carried out. It is shown that the experimental values of the local and integral parameters of the boundary layer on the body of revolution are in reasonable agreement with the results of a numerical calculation performed by solving the Reynolds-averaged Navier-Stokes equations using the low-Reynolds version of the SST turbulence model. The data obtained indicate the need for careful contouring of the aft part of the body of revolution in order to minimize losses caused by the bottom drag of the aft end. [ABSTRACT FROM AUTHOR]

Published
2021
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