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Просмотр по автору "Sadun A."

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  • Blazar spectral variability as explained by a twisted inhomogeneous jet 
    Raiteri C.; Villata M.; Acosta-Pulido J.; Agudo I.; Arkharov A.; Bachev R.; Baida G.; Benítez E.; Borman G.; Boschin W.; Bozhilov V.; Butuzova M.; Calcidese P.; Carnerero M.; Carosati D.; Casadio C.; Castro-Segura N.; Chen W.; Damljanovic G.; D'Ammando F.; Di Paola A.; Echevarría J.; Efimova N.; Ehgamberdiev S.; Espinosa C.; Fuentes A.; Giunta A.; Gómez J.; Grishina T.; Gurwell M.; Hiriart D.; Jermak H.; Jordan B.; Jorstad S.; Joshi M.; Kopatskaya E.; Kuratov K.; Kurtanidze O.; Kurtanidze S.; Lähteenmäki A.; Larionov V.; Larionova E.; Larionova L.; Lázaro C.; Lin C.; Malmrose M.; Marscher A.; Matsumoto K.; McBreen B.; Michel R.; Mihov B.; Minev M.; Mirzaqulov D.; Mokrushina A.; Molina S.; Moody J.; Morozova D.; Nazarov S.; Nikolashvili M.; Ohlert J.; Okhmat D.; Ovcharov E.; Pinna F.; Polakis T.; Protasio C.; Pursimo T.; Redondo-Lorenzo F.; Rizzi N.; Rodriguez-Coira G.; Sadakane K.; Sadun A.; Samal M.; Savchenko S.; Semkov E.; Skiff B.; Slavcheva-Mihova L.; Smith P.; Steele I. (2017)
    © 2017 Macmillan Publishers Limited, part of Springer Nature. All rights reserved. Blazars are active galactic nuclei, which are powerful sources of radiation whose central engine is located in the core of the host galaxy. ...
  • DISCOVERY of A HIGHLY POLARIZED OPTICAL MICROFLARE in BLAZAR S5 0716+714 during the 2014 WEBT CAMPAIGN 
    Bhatta G.; Goyal A.; Ostrowski M.; Stawarz; Akitaya H.; Arkharov A.; Bachev R.; Benítez E.; Borman G.; Carosati D.; Cason A.; Damljanovic G.; Dhalla S.; Frasca A.; Hu S.; Itoh R.; Jorstad S.; Jableka D.; Kawabata K.; Klimanov S.; Kurtanidze O.; Larionov V.; Laurence D.; Leto G.; Markowitz A.; Marscher A.; Moody J.; Moritani Y.; Ohlert J.; Di Paola A.; Raiteri C.; Rizzi N.; Sadun A.; Sasada M.; Sergeev S.; Strigachev A.; Takaki K.; Troitsky I.; Ui T.; Villata M.; Vince O.; Webb J.; Yoshida M.; Zola S.; Hiriart D. (2015)
    © 2015. The American Astronomical Society. All rights reserved. The occurrence of low-amplitude flux variations in blazars on hourly timescales, commonly known as microvariability, is still a widely debated subject in ...
  • Dissecting the long-term emission behaviour of the BL Lac object Mrk 421 
    Carnerero M.; Raiteri C.; Villata M.; Acosta-Pulido J.; Larionov V.; Smith P.; D'Ammando F.; Agudo I.; Arévalo M.; Bachev R.; Barnes J.; Boeva S.; Bozhilov V.; Carosati D.; Casadio C.; Chen W.; Damljanovic G.; Eswaraiah E.; Forné E.; Gantchev G.; Gómez J.; González-Morales P.; Griñón-Marín A.; Grishina T.; Holden M.; Ibryamov S.; Joner M.; Jordan B.; Jorstad S.; Joshi M.; Kopatskaya E.; Koptelova E.; Kurtanidze O.; Kurtanidze S.; Larionova E.; Larionova L.; Latev G.; Lázaro C.; Ligustri R.; Lin H.; Marscher A.; Martínez-Lombilla C.; McBreen B.; Mihov B.; Molina S.; Moody J.; Morozova D.; Nikolashvili M.; Nilsson K.; Ovcharov E.; Pace C.; Panwar N.; Pastor Yabar A.; Pearson R.; Pinna F.; Protasio C.; Rizzi N.; Redondo-Lorenzo F.; Rodríguez-Coira G.; Ros J.; Sadun A.; Savchenko S.; Semkov E.; Slavcheva-Mihova L.; Smith N.; Strigachev A.; Troitskaya Y.; Troitsky I.; Vasilyev A.; Vince O. (2017)
    © 2017 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. We report on long-term multiwavelength monitoring of blazar Mrk 421 by the GLAST-AGILE Support Program of the Whole Earth ...
  • MULTIFREQUENCY PHOTO-POLARIMETRIC WEBT OBSERVATION CAMPAIGN on the BLAZAR S5 0716+714: SOURCE MICROVARIABILITY and SEARCH for CHARACTERISTIC TIMESCALES 
    Bhatta G.; Stawarz; Ostrowski M.; Markowitz A.; Akitaya H.; Arkharov A.; Bachev R.; Benítez E.; Borman G.; Carosati D.; Cason A.; Chanishvili R.; Damljanovic G.; Dhalla S.; Frasca A.; Hiriart D.; Hu S.; Itoh R.; Jableka D.; Jorstad S.; Jovanovic M.; Kawabata K.; Klimanov S.; Kurtanidze O.; Larionov V.; Laurence D.; Leto G.; Marscher A.; Moody J.; Moritani Y.; Ohlert J.; Paola A.; Raiteri C.; Rizzi N.; Sadun A.; Sasada M.; Sergeev S.; Strigachev A.; Takaki K.; Troitsky I.; Ui T.; Villata M.; Vince O.; Webb J.; Yoshida M.; Zola S. (2016)
    © 2016. The American Astronomical Society. All rights reserved..Here we report on the results of the Whole Earth Blazar Telescope photo-polarimetric campaign targeting the blazar S5 0716+71, organized in 2014 March to ...
  • Multiwavelength Variability of BL Lacertae Measured with High Time Resolution 
    Weaver Z.R.; Williamson K.E.; Jorstad S.G.; Marscher A.P.; Larionov V.M.; Raiteri C.M.; Villata M.; Acosta-Pulido J.A.; Bachev R.; Baida G.V.; Balonek T.J.; Benítez E.; Borman G.A.; Bozhilov V.; Carnerero M.I.; Carosati D.; Chen W.P.; Damljanovic G.; Dhiman V.; Dougherty D.J.; Ehgamberdiev S.A.; Grishina T.S.; Gupta A.C.; Hart M.; Hiriart D.; Hsiao H.Y.; Ibryamov S.; Joner M.; Kimeridze G.N.; Kopatskaya E.N.; Kurtanidze O.M.; Kurtanidze S.O.; Larionova E.G.; Matsumoto K.; Matsumura R.; Minev M.; Mirzaqulov D.O.; Morozova D.A.; Nikiforova A.A.; Nikolashvili M.G.; Ovcharov E.; Rizzi N.; Sadun A.; Savchenko S.S.; Semkov E.; Slater J.J.; Smith K.L.; Stojanovic M.; Strigachev A.; Troitskaya Y.V.; Troitsky I.S.; Tsai A.L.; Vince O.; Valcheva A.; Vasilyev A.A.; Zaharieva E.; Zhovtan A.V. (2020)
    © 2020. The American Astronomical Society. All rights reserved.. In an effort to locate the sites of emission at different frequencies and physical processes causing variability in blazar jets, we have obtained high ...
  • Polarization angle swings in blazars: The case of 3C 279 
    Kiehlmann S.; Savolainen T.; Jorstad S.; Sokolovsky K.; Schinzel F.; Marscher A.; Larionov V.; Agudo I.; Akitaya H.; Benítez E.; Berdyugin A.; Blinov D.; Bochkarev N.; Borman G.; Burenkov A.; Casadio C.; Doroshenko V.; Efimova N.; Fukazawa Y.; Gómez J.; Grishina T.; Hagen-Thorn V.; Heidt J.; Hiriart D.; Itoh R.; Joshi M.; Kawabata K.; Kimeridze G.; Kopatskaya E.; Korobtsev I.; Krajci T.; Kurtanidze O.; Kurtanidze S.; Larionova E.; Larionova L.; Lindfors E.; López J.; McHardy I.; Molina S.; Moritani Y.; Morozova D.; Nazarov S.; Nikolashvili M.; Nilsson K.; Pulatova N.; Reinthal R.; Sadun A.; Sasada M.; Savchenko S.; Sergeev S.; Sigua L.; Smith P.; Sorcia M.; Spiridonova O.; Takaki K.; Takalo L.; Taylor B.; Troitsky I.; Uemura M.; Ugolkova L.; Ui T.; Yoshida M.; Zensus J.; Zhdanova V. (2016)
    © ESO, 2016.Context. Over the past few years, on several occasions, large, continuous rotations of the electric vector position angle (EVPA) of linearly polarized optical emission from blazars have been reported. These ...
  • Synchrotron emission from the blazar PG 1553+113. An analysis of its flux and polarization variability 
    Raiteri C.; Nicastro F.; Stamerra A.; Villata M.; Larionov V.; Blinov D.; Acosta-Pulido J.; Arévalo M.; Arkharov A.; Bachev R.; Borman G.; Carnerero M.; Carosati D.; Cecconi M.; Chen W.; Damljanovic G.; Di Paola A.; Ehgamberdiev S.; Frasca A.; Giroletti M.; González-Morales P.; Griñon-Marín A.; Grishina T.; Huang P.; Ibryamov S.; Klimanov S.; Kopatskaya E.; Kurtanidze O.; Kurtanidze S.; Lähteenmäki A.; Larionova E.; Larionova L.; Lázaro C.; Leto G.; Liodakis I.; Martínez-Lombilla C.; Mihov B.; Mirzaqulov D.; Mokrushina A.; Moody J.; Morozova D.; Nazarov S.; Nikolashvili M.; Ohlert J.; Panopoulou G.; Pastor Yabar A.; Pinna F.; Protasio C.; Rizzi N.; Sadun A.; Savchenko S.; Semkov E.; Sigua L.; Slavcheva-Mihova L.; Strigachev A.; Tornikoski M.; Troitskaya Y.; Troitsky I.; Vasilyev A.; Vera R.; Vince O.; Zanmar Sanchez R. (2017)
    © 2016 The Authors.In 2015 July 29-September 1, the satellite XMM-Newton pointed at the BL Lac object PG 1553+133 six times, collecting data for 218 h. During one of these epochs, simultaneous observations by the Swift ...
  • The beamed jet and quasar core of the distant blazar 4C 71.07 
    Raiteri C.; Villata M.; Carnerero M.; Acosta-Pulido J.; Mirzaqulov D.; Larionov V.; Romano P.; Vercellone S.; Agudo I.; Arkharov A.; Bach U.; Bachev R.; Baitieri S.; Borman G.; Boschin W.; Bozhilov V.; Butuzova M.; Calcidese P.; Carosati D.; Casadio C.; Chen W.; Damljanovic G.; Di Paola A.; Doroshenko V.; Efimova N.; Ehgamberdiev S.; Giroletti M.; Gómez J.; Grishina T.; Ibryamov S.; Jermak H.; Jorstad S.; Kimeridze G.; Klimanov S.; Kopatskaya E.; Kurtanidze O.; Kurtanidze S.; Lähteenmäki A.; Larionova E.; Marscher A.; Mihov B.; Minev M.; Molina S.; Moody J.; Morozova D.; Nazarov S.; Nikiforova A.; Nikolashvili M.; Ovcharov E.; Peneva S.; Righini S.; Rizzi N.; Sadun A.; Samal M.; Savchenko S.; Semkov E.; Sigua L.; Slavcheva-Mihova L.; Steele I.; Strigachev A.; Tornikoski M.; Troitskaya Y.; Troitsky I.; Vince O. (2019)
    © 2019 The Author(s). The object 4C 71.07 is a high-redshift blazar whose spectral energy distribution shows a prominent big blue bump and a strong Compton dominance. We present the results of a 2- yr multiwavelength ...

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