Search Results - "Zhekanis, G V"

The high brightness temperature of B0529+483 revealed by RadioAstron and implications for interstellar scattering by Pilipenko, S V, Kovalev, Y Y, Andrianov, A S, Bach, U, Buttaccio, S, Cassaro, P, Cimò, G, Edwards, P G, Gawroński, M P, Gurvits, L I, Hovatta, T, Jauncey, D L, Johnson, M D, Kovalev, Yu A, Kutkin, A M, Lisakov, M M, Melnikov, A E, Orlati, A, Rudnitskiy, A G, Sokolovsky, K V, Stanghellini, C, de Vicente, P, Voitsik, P A, Wolak, P, Zhekanis, G V

“…Abstract The high brightness temperatures, Tb ≳ 1013 K, detected in several active galactic nuclei by RadioAstron space VLBI observations challenge theoretical…”
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The RadioAstron project: Measurements and analysis of basic parameters of space telescope in flight in 2011–2013 by Kovalev, Yu. A., Vasil’kov, V. I., Popov, M. V., Soglasnov, V. A., Voitsik, P. A., Lisakov, M. M., Kut’kin, A. M., Nikolaev, N. Ya, Nizhel’skii, N. A., Zhekanis, G. V., Tsybulev, P. G.

“…The results of a large number of the antenna radiometric measurements at bands of 92, 18, 6.2, 1.35, and 1.7-1.2 cm are presented by the data of the standard…”
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The Spectral Energy Distribution of Fermi Bright Blazars by Abdo, A. A, Bach, U, Baldini, L, Barbiellini, G, Bastieri, D, Berdyugin, A, Berenji, B, Bonamente, E, Bregeon, J, Brez, A, Brigida, M, Caliandro, G. A, Caraveo, P. A, Casandjian, J. M, Cavazzuti, E, Chaty, S, Chekhtman, A, Claus, R, Cutini, S, D'ammando, F, Deitrick, R, de Palma, F, Donnarumma, I, Drell, P. S, Dultzin, D, Dumora, D, Farnier, C, Forné, E, Fuhrmann, L, Fukazawa, Y, Funk, S, Gómez, J. L, Gargano, F, Giommi, P, Giuliani, A, Gronwall, C, Gurwell, M. A, Hayashida, M, Hays, E, Heidt, J, Hoversten, E. A, Hughes, R. E, Itoh, R, Jóhannesson, G, Kataoka, J, Kawai, N, Kennea, J, Kerr, M, Kocian, M. L, Kopatskaya, E. N, Koptelova, E, Kovalev, Y. Y, Kovalev, Yu. A, Kurtanidze, O. M, Lande, J, Larionov, V. M, Leto, P, Longo, F, Loparco, F, Marchegiani, P, Meurer, C, Moiseev, A. A, Moskalenko, I. V, Nestoras, I, Nilsson, K, Norris, J. P, Nuss, E, Ohsugi, T, Ojha, R, Omodei, N, Osborne, J, Pasanen, M, Pavlidou, V, Pelassa, V, Perri, M, Piranomonte, S, Pittori, C, Rainò, S, Reimer, O, Reposeur, T, Richards, J. L, Ritz, S, Roth, M, Sadun, A, Sellerholm, A, Shaw, M. S, Sigua, L. A, Siskind, E. J, Smith, D. A, Smith, P. D, Stevenson, M, Thayer, J. G, Tramacere, A, Vilchez, N, Vitale, V, Waite, A. P, Wang, P, Winer, B. L, Wood, K. S, Ziegler, M

“…We have conducted a detailed investigation of the broad-band spectral properties of the \gamma-ray selected blazars of the Fermi LAT Bright AGN Sample (LBAS)…”
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Optical and Radio Variability of the Blazar S4 0954+658 by Vlasyuk, V. V., Sotnikova, Yu. V., Volvach, A. E., Spiridonova, O. I., Stolyarov, V. A., Mikhailov, A. G., Kovalev, Yu. A., Kovalev, Y. Y., Khabibullina, M. L., Kharinov, M. A., Yang, L., Mingaliev, M. G., Semenova, T. A., Zhekanis, P. G., Mufakharov, T. V., Udovitskiy, R. Yu, Kudryashova, A. A., Volvach, L. N., Erkenov, A. K., Moskvitin, A. S., Emelianov, E. V., Fatkhullin, T. A., Tsybulev, P. G., Nizhelsky, N. A., Zhekanis, G. V., Kravchenko, E. V.

“…We present an optical-to-radio study of the BL Lac object S4 0954+658 observations during 1998–2023. The measurements were obtained with the SAO RAS Zeiss-1000…”
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A high-resolution study of Jupiter at a frequency of 30 GHz by Parijskij, Yu N, Bursov, N N, Berlin, A B, Nizhelskii, N A, Mingaliev, M G, Tsybulev, P A, Bogdantsov, A V, Majorova, E K, Pilipenko, O M, Balanovskii, A A, Zhekanis, G V

“…We present the results of our study of Jupiter and its radiation belts with a resolution of 6 arcsec at a frequency of 30 GHz using the RATAN-600 radio…”
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Optical and Radio Variability of the Blazar S4 0954+658 by Vlasyuk, V. V, Sotnikova, Yu. V, Volvach, A. E, Spiridonova, O. I, Stolyarov, V. A, Mikhailov, A. G, Kovalev, Yu. A, Kovalev, Y. Y, Khabibullina, M. L, Kharinov, M. A, Yang, L, Mingaliev, M. G, Semenova, T. A, Zhekanis, P. G, Mufakharov, T. V, Udovitskiy, R. Yu, Kudryashova, A. A, Volvach, L. N, Erkenov, A. K, Moskvitin, A. S, Emelianov, E. V, Fatkhullin, T. A, Tsybulev, P. G, Nizhelsky, N. A, Zhekanis, G. V, Kravchenko, E. V

“…We present an optical-to-radio study of the BL Lac object S4 0954+658 observations during 1998-2023. The measurements were obtained with the SAO RAS Zeiss-1000…”
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Multi-frequency survey of background radiations of the Universe. The “Cosmological Gene” project. First results by Parijskij, Yu. N., Mingaliev, M. G., Nizhel’skii, N. A., Bursov, N. N., Berlin, A. B., Grechkin, A. A., Zharov, V. I., Zhekanis, G. V., Majorova, E. K., Semenova, T. A., Stolyarov, V. A., Tsybulev, P. G., Kratov, D. V., Udovitskii, R. Yu, Khaikin, V. B.

“…The results of the first stage of the “Cosmological Gene” project of the Russian Academy of Sciences are reported. These results consist in the accumulation of…”
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Control of unsettled elements of the main reflector of the RATAN 600 radio telescope in flux density measurements for discrete radio sources by BOTASHEV, A. M, ZHEKANIS, G. V, MAYOROVA, E. K, MINGALIEV, M. G

“…The method is described for taking into account unsettled elements of the RATAN 600 main reflector in flux density measurements of discrete radio sources,…”
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RATAN-600 and RadioAstron reveal the neutrino-associated blazar TXS 0506+056 as a typical variable AGN by Kovalev, Yu.A., Kardashev, N.S., Kovalev, Y.Y., Sokolovsky, K.V., Voitsik, P.A., Edwards, P.G., Popkov, A.V., Zhekanis, G.V., Sotnikova, Yu.V., Nizhelsky, N.A., Tsybulev, P.G., Erkenov, A.K., Bursov, N.N.

“…The possible association with the high-energy neutrino event IceCube-170922A has sparked interest in the blazar TXS 0506+056. We present 72 instantaneous…”
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The high brightness temperature of B0529+483 revealed by RadioAstron and implications for interstellar scattering by Pilipenko, S. V, Kovalev, Y. Y, Andrianov, A. S, Bach, U, Buttaccio, S, Cassaro, P, Cimò, G, Edwards, P. G, Gawroński, M. P, Gurvits, L. I, Hovatta, T, Jauncey, D. L, Johnson, M. D, Kovalev, Yu. A, Kutkin, A. M, Lisakov, M. M, Melnikov, A. E, Orlati, A, Rudnitskiy, A. G, Sokolovsky, K. V, Stanghellini, C, de Vicente, P, Voitsik, P. A, Wolak, P, Zhekanis, G. V

“…MNRAS 474 (2018) 3523 The high brightness temperatures, $T_\mathrm{b}\gtrsim 10^{13}$ K, detected in several active galactic nuclei by RadioAstron space VLBI…”
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Automated system for reduction of observational data on RATAN-600 radio telescope by Udovitskiy, R. Yu, Sotnikova, Yu. V., Mingaliev, M. G., Tsybulev, P. G., Zhekanis, G. V., Nizhelskij, N. A.

“…We present the automated systemfor estimating the parameters of radio sources observed on all available continuum radiometers (two receiving facilities of…”
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A sample of GHz-peaked spectrum sources selected at RATAN-600: spectral and variability properties by Sokolovsky, K. V, Kovalev, Y. Y, Kovalev, Yu. A, Nizhelskiy, N. A, Zhekanis, G. V

“…Astronomische Nachrichten 330 (2009) 199-202 We describe a new sample of 226 GPS (GHz-Peaked Spectrum) source candidates selected using simultaneous 1-22 GHz…”
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A sample of GHz-peaked spectrum sources selected at RATAN-600: Spectral and variability properties by Sokolovsky, K.V., Kovalev, Y.Y., Kovalev, Yu.A., Nizhelskiy, N.A., Zhekanis, G.V.

“…We describe a new sample of 226 GPS (GHz‐Peaked Spectrum) source candidates selected using simultaneous 1–22 GHz multi‐frequency observations with the…”
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The giant radio flare of Cygnus X-3 in September 2016 by Trushkin, S. A, Nizhelskij, N. A, Tsybulev, P. G, Zhekanis, G. V

“…In the long-term multi-frequency monitoring program of the microquasars with RATAN-600 we discovered the giant flare from the X-ray binary Cygnus X-3 on 13…”
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Multiwavelength behaviour of the blazar 3C279: decade-long study from $\gamma$-ray to radio by Larionov, V. M, Jorstad, S. G, Marscher, A. P, Villata, M, Raiteri, C. M, Smith, P. S, Agudo, I, Savchenko, S. S, Morozova, D. A, Acosta-Pulido, J. A, Aller, M. F, Aller, H. D, Andreeva, T. S, Arkharov, A. A, Bachev, R, Bonnoli, G, Borman, G. A, Bozhilov, V, Calcidese, P, Carnerero, M. I, Carosati, D, Casadio, C, Chen, W. -P, Damljanovic, G, Dementyev, A. V, Di Paola, A, Frasca, A, Fuentes, A, Gómez, J. L, Gónzalez-Morales, P, Giunta, A, Grishina, T. S, Gurwell, M. A, Hagen-Thorn, V. A, Hovatta, T, Ibryamov, S, Joshi, M, Kiehlmann, S, Kim, J. -Y, Kimeridze, G. N, Kopatskaya, E. N, Kovalev, Yu. A, Kovalev, Y. Y, Kurtanidze, O. M, Kurtanidze, S. O, Lähteenmäki, A, Lázaro, C, Larionova, L. V, Larionova, E. G, Leto, G, Marchini, A, Matsumoto, K, Mihov, B, Minev, M, Mingaliev, M. G, Mirzaqulov, D, Dimitrova, R. V. Muñoz, Myserlis, I, Nikiforova, A. A, Nikolashvili, M. G, Nizhelsky, N. A, Ovcharov, E, Pressburger, L. D, Rakhimov, I. A, Righini, S, Rizzi, N, Sadakane, K, Sadun, A. C, Samal, M. R, Sanchez, R. Z, Semkov, E, Sergeev, S. G, Sigua, L. A, Slavcheva-Mihova, L, Sola, P, Sotnikova, Yu. V, Strigachev, A, Thum, C, Traianou, E, Troitskaya, Yu. V, Troitsky, I. S, Tsybulev, P. G, Vasilyev, A. A, Vince, O, Weaver, Z. R, Williamson, K. E, Zhekanis, G. V

“…MNRAS 492 (2020) 3829 We report the results of decade-long (2008-2018) $\gamma$-ray to 1 GHz radio monitoring of the blazar 3C 279, including GASP/WEBT,…”
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Survey of Instantaneous 1-22 GHz Spectra of 550 Compact Extragalactic Objects with Declinations from -30deg to +43deg by Kovalev, Y. Y, Nizhelsky, N. A, Kovalev, Yu. A, Berlin, A. B, Zhekanis, G. V, Mingaliev, M. G, Bogdantsov, A. V

“…Astron.Astrophys.Suppl.Ser. 139 (1999) 545-554 We present observational results for extragalactic radio sources with milliarcsecond components, obtained with…”
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RATAN-600 new zenith field survey and CMB problems by Parijskij, Yu. N, Bursov, N. N, Berlin, A. B, Balanovskij, A. A, Khaikin, V. B, Majorova, E. K, Mingaliev, M. G, Nizhelskij, N. A, Pylypenko, O. M, Tsibulev, P. A, Verkhodanov, O. V, Zhekanis, G. V, Zverev, Yu. K

“…Grav.Cosmol. 10 (2004) 1-10 We present new RATAN-600 data on the synchrotron Galaxy radiation at the PLANCK Mission and WMAP frequencies at high Galactic…”
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Observations of the bright radio sources in the North Celestial Pole region at the RATAN-600 radio telescope by Mingaliev, M. G, Stolyarov, V. A, Davies, R. D, Melhuish, S. J, Bursov, N. A, Zhekanis, G. V

“…A survey of the North Celestial Pole region using the RATAN-600 radio telescope at five frequencies in the range 2.3 to 21.7 GHz is described. Sources were…”
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