Zobrazeno 1 - 10 of 59 pro vyhledávání: '"A. G. Chanishvili"'
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Unraveling the Complex Behavior of Mrk 421 with Simultaneous X-Ray and VHE Observations during an Extreme Flaring Activity in 2013 April
Autor: Simonetta Puccetti, D. Dominis Prester, M. Makariev, Alice Donini, Sofia O. Kurtanidze, G. Bonnoli, Julian Sitarek, D. Dorner, Yoshiki Ohtani, J. Becerra González, S. Ventura, S. Ansoldi, L. Nogués, J. Besenrieder, A. Rugliancich, P. Munar-Adrover, Jose Luis Contreras, B. Jordan, I. Puljak, Pawel Gliwny, L. V. Larionova, L. Di Venere, Sunay Ibryamov, Abelardo Moralejo, M. I. Martínez, B. De Lotto, Juan Cortina, A. A. Mokrushina, E. Moretti, Kaya Mori, Maria Petropoulou, Elena G. Larionova, J. Rico, Juan Abel Barrio, Narek Sahakyan, A. Fattorini, C. Fruck, F. Del Puppo, F. Verrecchia, Victoria Moreno, Chiara Righi, M. V. Fonseca, Elina Lindfors, Justin D. Finke, D. A. Morozova, V. D'Elia, A. López-Oramas, M. G. Nikolashvili, John Hoang, Susumu Inoue, L. Maraschi, R. Paoletti, R. Reinthal, A. Strigachev, Saverio Lombardi, T. Schweizer, E. Do Souto Espiñeira, Tomislav Terzić, Ferdinando Giordano, Fabrizio Tavecchio, C. Nigro, B. Banerjee, Bernd Schleicher, A. Hahn, R. G. Chanishvili, Francesco Longo, M. Will, Shunsuke Sakurai, Ll. Font, Takeshi Oka, Davide Depaoli, Alan P. Marscher, L. Saha, D. Elsaesser, Antonio Stamerra, R. Carosi, G. Ceribella, Joni Tammi, V. Fallah Ramazani, D. Lelas, T. Guever, M. Teshima, J. M. Paredes, Dorota Sobczyńska, Zeljka Bosnjak, Chakali Eswaraiah, A. C. R. Readhead, G. Busetto, Jorge Otero-Santos, Mislav Baloković, J. L. Richards, R. A. Chigladze, Y. Chai, J. Kushida, Seiya Nozaki, Kari Nilsson, U. Barres de Almeida, L. Foffano, Ciro Bigongiari, Saša Mićanović, V. Vitale, Wen Ping Chen, P. Temnikov, T. Saito, Andrei Berdyugin, David H. Green, D. Strom, F. Di Pierro, E. N. Kopatskaya, Stefano Covino, D. Miceli, S. Gasparyan, D. Blinov, G. Maneva, E. Molina, S. G. Jorstad, T. Surić, M. Mariotti, I. Šnidarić, Satoshi Fukami, H. Kubo, M. Vazquez Acosta, R. López-Coto, Kazuma Ishio, Y. Iwamura, M. Gaug, A. Lamastra, A. C. Sadun, J. Herrera, G. Vanzo, Oscar Blanch, T. S. Grishina, Walter Max-Moerbeck, Anne Lähteenmäki, S. M. Colak, Valeri M. Larionov, C. M. Raiteri, C. Maggio, O. M. Kurtanidze, S. Cikota, D. Ninci, G. Ferrara, A. De Angelis, Rumen Bachev, Yu. V. Troitskaya, M. Minev, Georgi Latev, Elisa Bernardini, Other groups, L. Pavletić, Elisa Prandini, Goran Damljanović, Evgeni Semkov, M. Delfino, Wolfgang Rhode, Yusuke Suda, Massimo Persic, Carlo Vigorito, A. Berti, Paul S. Smith, K. Noda, Dario Hrupec, C. Leto, Victor A. Acciari, K. Nishijima, B. Machado de Oliveira Fraga, Mitsunari Takahashi, P. Peñil, L. Bellizzi, Serena Loporchio, Jose Miguel Miranda, N. Godinović, M. Strzys, Ashot Chilingarian, N. Giglietto, U. Colin, W. Bednarek, Simone Mender, Moritz Hütten, W. Bhattacharyya, I. Agudo, R. Mirzoyan, Louis Antonelli, Dominik Baack, P. Majumdar, G. M. Madejski, A. Arbet Engels, Vitaly Neustroev, J. W. Moody, Luca Tosti, M. Villata, D. Morcuende, N. Torres-Albà, I. Vovk, Jordi Delgado, H. C. Lin, Kevin Schmidt, Talvikki Hovatta, D. Hadasch, M. Palatiello, Y. Kajiwara, Francesco Dazzi, M. Mallamaci, O. Vince, M. Peresano, Yosuke Kobayashi, P. Da Vela, F. D'Ammando, K. Mannheim, R. J. García López, Ivan S. Troitsky, Tjark Miener, David Paneque, A. Biland, Marina Manganaro, P. G. Prada Moroni, Merja Tornikoski, Matteo Cerruti, M. López, Konstancja Satalecka, D. Mazin, Michele Doro, J. Barnes, F. Leone, M. Ribó, J. van Scherpenberg, A. Babić, Alessia Spolon, Léa Jouvin, Manasvita Joshi, Vassil Verguilov, Daniel Kerszberg, V. Ramakrishnan, D. Zarić, Tomohiro Inada, E. Colombo, M. Perri, M. Garczarczyk
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
E-Prints Complutense: Archivo Institucional de la UCM
Universidad Complutense de Madrid
E-Prints Complutense. Archivo Institucional de la UCM
The astrophysical journal / Supplement series 248(2), 29 (2020). doi:10.3847/1538-4365/ab89b5
We report on a multiband variability and correlation study of the TeV blazar Mrk 421 during an exceptional flaring activity observed from 2013 April 11 to 19. The study uses, among others, data from GLAST-AGILE Support Program (GASP) of the Whole Ear
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c964889f6b8730cdf7dcf70715c888e0
https://doi.org/10.3847/1538-4365/ab89b5
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3
Optical Variability of TeV Blazars on long time-scales
Autor: Lorand A. Sigua, Sofia O. Kurtanidze, Rumen Bachev, O. Vince, R. G. Chanishvili, Haritma Gaur, Alok C. Gupta, Paul J. Wiita, A. Darriba, Omar M. Kurtanidze, Sunay Ibryamov, Goran Damljanović, Evgeni Semkov, M. G. Nikolashvili, A. Strigachev
We present the results of photometric observations of three TeV blazars, 3C 66A, S5 0954+658 and BL Lacertae, during the period 2013--2017. Our extensive observations were performed in a total of 360 nights which produced $\sim$6820 image frames in B
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef03e43c011e9fa699c8fac26e515b4e
http://arxiv.org/abs/1901.10731
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4
Characterizing optical variability of OJ 287 in 2016 - 2017
Autor: Ryosuke Itoh, A. Strigachev, M. G. Nikolashvili, S. M. Hu, Haritma Gaur, Makoto Uemura, Sofia O. Kurtanidze, Arti Goyal, Pankaj Kushwaha, R. G. Chanishvili, Goran Damljanović, Evgeni Semkov, Minfeng Gu, Paul J. Wiita, Łukasz Stawarz, A. Darriba, O. Vince, Zhanhai Zhang, Miho Kawabata, Ashwani Pandey, Rumen Bachev, Tatsuya Nakaoka, Alok C. Gupta, Omar M. Kurtanidze, Xu Chen
We report on a recent multi-band optical photometric and polarimetric observational campaign of the blazar OJ 287 which was carried out during September 2016 -- December 2017. We employed nine telescopes in Bulgaria, China, Georgia, Japan, Serbia, Sp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aea4e9f8d01fe84cf09298cb0617bc16
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5
Nature and dynamics of overreflection of Alfvén waves in MHD shear flows
Autor: George Chagelishvili, R. G. Chanishvili, J. G. Lominadze, D. Gogichaishvili
Publikováno v: Journal of Plasma Physics. 80:667-685
Our goal is to gain new insights into the physics of wave overreflection phenomenon in MHD nonuniform/shear flows changing the existing trend/approach of the phenomenon study. The performed analysis allows to separate from each other different physic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de253126127bde87dcae0f72b4e8cf0b
https://doi.org/10.1017/s002237781400021x
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6
The Optical Variability of the BL Lac AO 0235+164
Autor: Yu-Hai Yuan, Mahito Sasada, Omar M. Kurtanidze, Yi Liu, Sophia O. Kurtanidze, Aiying Zhou, R. G. Chanishvili, Jun-Hui Fan, Hongtao Wang, G. M. Richter, Maria G. Nikolashvili, Chao Lin, Xiang Liu
Publikováno v: Galaxies; Volume 4; Issue 3; Pages: 17
Galaxies, Vol 4, Iss 3, p 17 (2016)
In this work, we present optical R band observations of AO 0235+164 carried out during the period of November 2006 to December 2012 using the Ap6E CCD camera attached to the primary focus of the 70 cm meniscus telescope at Abastumani Observatory, Geo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02a0af122f82816ab91432440253183b
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7
Transient Dynamics of Nonsymmetric Perturbations versus Symmetric Instability in Baroclinic Zonal Shear Flows
Autor: R. G. Chanishvili, George Mamatsashvili, Victor S. Avsarkisov, George Chagelishvili, M. V. Kalashnik
Publikováno v: Journal of the Atmospheric Sciences. 67:2972-2989
The linear dynamics of symmetric and nonsymmetric perturbations in unbounded zonal inviscid flows with a constant vertical shear of velocity, when a fluid is incompressible and density is stably stratified along the vertical and meridional directions
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5c95f19cfe86f97f0ed3b00df76214b9
https://doi.org/10.1175/2010jas3313.1
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9
On hydrodynamic shear turbulence in stratified Keplerian disks: Transient growth of small-scale 3D vortex mode perturbations
Autor: Alexander G. Tevzadze, J. G. Lominadze, George Chagelishvili, Jean-Paul Zahn, R. G. Chanishvili
Publikováno v: Astronomy & Astrophysics. 407:779-786
This is a sequel to Paper I (Chagelishvili et al. 2003), where we presented the so-called bypass concept for the onset of turbulence in shearing flows. According to this concept, which was worked out during the last decade by the hydrodynamic communi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b89b25b2c60872533573489e906f2d96
https://doi.org/10.1051/0004-6361:20030867
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10
A turbulence model in unbounded smooth shear flows: The weak turbulence approach
Autor: J. G. Lominadze, R. G. Chanishvili, Tihomir Hristov, George Chagelishvili
Publikováno v: Journal of Experimental and Theoretical Physics. 94:434-445
We discuss a new concept of the subcritical transition to turbulence in unbounded smooth (noninflectional) spectrally stable shear flows. This concept (the so-called bypass transition) follows from considering the nonnormality of the linear dynamics
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac1b72d7ab0e0ad5a8dd0059da654adb
https://doi.org/10.1134/1.1458495
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