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Multiwavelength study of TeV blazar 1ES 1218+304 using gamma-ray, X-ray and optical observations

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Two-injection Scenario for the Hard X-Ray Excess Observed in Mrk 421

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Rapid X-ray variability in Mkn 421 during a multiwavelength campaign

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Flux and spectral variability of Mrk 421 during its moderate activity state usingNuSTAR: Possible accretion disc contribution?

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X-Ray Intraday Variability of the TeV Blazar Markarian 421 with XMM-Newton

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Connecting steady emission and very high energy flaring states in blazars: the case of Mrk 421

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First-principles Prediction of X-Ray Polarization from Magnetic Reconnection in High-frequency BL Lacertae Objects

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Universal Peaks Ratio in the Spectral Energy Density of Double Hump Blazars, Gamma-Ray Bursts, and Microquasars?

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Extreme HBL-like Behavior of Markarian 421 and Its Two-zone Photohadronic Interpretation

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Kinetic powers of the relativistic jets in Mrk 421 and Mrk 501

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Correlations between γ-ray luminosity and magnetization of the jet as well as relativistic electron injection power: cases for Mrk 421, 3C 454.3 and 3C 279

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Monthly Notices of the Royal Astronomical Society 503 (2) 2523 (2021)
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Understanding the X-ray spectral curvature of Mkn 421 using broad-band AstroSat observations

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Monthly Notices of the Royal Astronomical Society 508 (4) 5921 (2021)
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An explanation for 13 consecutive day activities of Mrk 421

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Investigation of the correlation patterns and the Compton dominance variability of Mrk 421 in 2017

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Astronomy & Astrophysics 655 A89 (2021)
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Photohadronic modelling of the 2010 gamma-ray flare from Mrk 421

Alberto Rosales de León, Anthony M Brown and Paula M Chadwick
Monthly Notices of the Royal Astronomical Society 501 (2) 2198 (2021)
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The Great Markarian 421 Flare of 2010 February: Multiwavelength Variability and Correlation Studies

A. U. Abeysekara, W. Benbow, R. Bird, A. Brill, R. Brose, M. Buchovecky, J. H. Buckley, J. L. Christiansen, A. J. Chromey, M. K. Daniel, J. Dumm, A. Falcone, Q. Feng, J. P. Finley, L. Fortson, A. Furniss, N. Galante, A. Gent, G. H. Gillanders, C. Giuri, O. Gueta, T. Hassan, O. Hervet, J. Holder, G. Hughes, et al.
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Study of the variable broadband emission of Markarian 501 during the most extreme Swift X-ray activity

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Astronomy & Astrophysics 637 A86 (2020)
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On the injection of relativistic electrons in the jet of 3C 279

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Monthly Notices of the Royal Astronomical Society 493 (1) 410 (2020)
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Unfolding the X-ray spectral curvature of Mkn 421 for further clues

Pranjupriya Goswami, Sunder Sahayanathan, Atreyee Sinha and Rupjyoti Gogoi
Monthly Notices of the Royal Astronomical Society 499 (2) 2094 (2020)
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Constraints on the AGN flares as sources of ultra-high energy cosmic rays from the Fermi-LAT observations

B.A. Nizamov and M.S. Pshirkov
Journal of Cosmology and Astroparticle Physics 2020 (03) 060 (2020)
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A time-dependent particle acceleration and emission model: understanding particle spectral evolution and blazar flares

Y G Zheng, S J Kang, C Y Yang and J M Bai
Monthly Notices of the Royal Astronomical Society 499 (1) 1188 (2020)
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A Comprehensive Power Spectral Density Analysis of Astronomical Time Series. I. The Fermi-LAT Gamma-Ray Light Curves of Selected Blazars

Mariusz Tarnopolski, Natalia Żywucka, Volodymyr Marchenko and Javier Pascual-Granado
The Astrophysical Journal Supplement Series 250 (1) 1 (2020)
https://doi.org/10.3847/1538-4365/aba2c7

Swift Observations of Mrk 421 in Selected Epochs. III. Extreme X-Ray Timing/Spectral Properties and Multiwavelength Lognormality during 2015 December–2018 April

B. Kapanadze, A. Gurchumelia, D. Dorner, S. Vercellone, P. Romano, P. Hughes, M. Aller, H. Aller and O. Kharshiladze
The Astrophysical Journal Supplement Series 247 (1) 27 (2020)
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Unveiling Sub-pc Supermassive Black Hole Binary Candidates in Active Galactic Nuclei

Roberto Serafinelli, Paola Severgnini, Valentina Braito, Roberto Della Ceca, Cristian Vignali, Filippo Ambrosino, Claudia Cicone, Alessandra Zaino, Massimo Dotti, Alberto Sesana, Vittoria E. Gianolli, Lucia Ballo, Valentina La Parola and Gabriele A. Matzeu
The Astrophysical Journal 902 (1) 10 (2020)
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X-Ray Intraday Variability of the TeV Blazar Mrk 421 with Suzaku

Zhongli Zhang, Alok C. Gupta, Haritma Gaur, Paul J. Wiita, Tao An, Minfeng Gu, Dan Hu and Haiguang Xu
The Astrophysical Journal 884 (2) 125 (2019)
https://doi.org/10.3847/1538-4357/ab3f3a

Probing an X-Ray Flare Pattern in Mrk 421 Induced by Multiple Stationary Shocks: A Solution to the Bulk Lorentz Factor Crisis

Olivier Hervet, David A. Williams, Abraham D. Falcone and Amanpreet Kaur
The Astrophysical Journal 877 (1) 26 (2019)
https://doi.org/10.3847/1538-4357/ab1906

Fractional Variability—A Tool to Study Blazar Variability

Bernd Schleicher, Axel Arbet-Engels, Dominik Baack, Matteo Balbo, Adrian Biland, Michael Blank, Thomas Bretz, Kai Bruegge, Michael Bulinski, Jens Buss, Manuel Doerr, Daniela Dorner, Dominik Elsaesser, Sergej Grischagin, Dorothee Hildebrand, Lena Linhoff, Karl Mannheim, Sebastian Mueller, Dominik Neise, Andrii Neronov, Maximilian Noethe, Aleksander Paravac, Wolfgang Rhode, Florian Schulz, Kevin Sedlaczek, et al.
Galaxies 7 (2) 62 (2019)
https://doi.org/10.3390/galaxies7020062

Time-dependent spectral modelling of Markarian 421 during a violent outburst in 2010

A P Marscher, S G Jorstad, K E Williamson, et al.
Monthly Notices of the Royal Astronomical Society 487 (1) 845 (2019)
https://doi.org/10.1093/mnras/stz1292

Stable Radio Core of the Blazar Mrk 501 during High-energy Active State in 2012

Shoko Koyama, Motoki Kino, Akihiro Doi, et al.
The Astrophysical Journal 884 (2) 132 (2019)
https://doi.org/10.3847/1538-4357/ab4260

Multi-TeV Flaring from High-energy Blazars: An Evidence of the Photohadronic Process

Sarira Sahu, Carlos E. López Fortín and Shigehiro Nagataki
The Astrophysical Journal Letters 884 (1) L17 (2019)
https://doi.org/10.3847/2041-8213/ab43c7

TeV γ-ray emission from Mrk 421 observed with TACTIC during December 2014–February 2015

K.K. Yadav, K. Chanchalani, K.K. Singh, B. Ghosal, P. Chandra, R.C. Rannot, A.K. Tickoo, N.K. Agarwal, M. Kothari, K.K. Gaur, H.C. Goyal, A. Goyal, N. Kumar, P. Marandi, S.R. Kaul, V.K. Dhar, M.K. Koul, R. Koul, K. Venugopal, C.K. Bhat, N. Chouhan and C. Borwankar
New Astronomy 67 67 (2019)
https://doi.org/10.1016/j.newast.2018.09.009

Investigating the multiwavelength behaviour of the flat spectrum radio quasar CTA 102 during 2013–2017

F D’Ammando, C M Raiteri, M Villata, et al.
Monthly Notices of the Royal Astronomical Society 490 (4) 5300 (2019)
https://doi.org/10.1093/mnras/stz2792

Swift Observations of Mrk 421 in Selected Epochs. I. The Spectral and Flux Variability in 2005–2008

B. Kapanadze, S. Vercellone, P. Romano, P. Hughes, M. Aller, H. Aller, O. Kharshiladze, S. Kapanadze and L. Tabagari
The Astrophysical Journal 854 (1) 66 (2018)
https://doi.org/10.3847/1538-4357/aaa75d

POLAMI: Polarimetric Monitoring of AGN at Millimetre Wavelengths – I. The programme, calibration and calibrator data products

Iván Agudo, Clemens Thum, Sol N Molina, et al.
Monthly Notices of the Royal Astronomical Society 474 (2) 1427 (2018)
https://doi.org/10.1093/mnras/stx2435

The second strong X-ray flare and multifrequency variability of 1ES 1959+650 in 2016 January–August

B. Kapanadze, D. Dorner, S. Vercellone, et al.
Monthly Notices of the Royal Astronomical Society 473 (2) 2542 (2018)
https://doi.org/10.1093/mnras/stx2492

POLAMI: Polarimetric Monitoring of Active Galactic Nuclei at Millimetre Wavelengths – III. Characterization of total flux density and polarization variability of relativistic jets

Iván Agudo, Clemens Thum, Venkatessh Ramakrishnan, et al.
Monthly Notices of the Royal Astronomical Society 473 (2) 1850 (2018)
https://doi.org/10.1093/mnras/stx2437

Swift Observations of Mrk 421 in Selected Epochs. II. An Extreme Spectral Flux Variability in 2009–2012

B. Kapanadze, S. Vercellone, P. Romano, P. Hughes, M. Aller, H. Aller, O. Kharshiladze and L. Tabagari
The Astrophysical Journal 858 (2) 68 (2018)
https://doi.org/10.3847/1538-4357/aabbac

A time dependent approach to model X-ray and γ–ray light curves of Mrk 421 observed during the flare in February 2010

K.K. Singh, S. Sahayanathan, A. Sinha, et al.
New Astronomy 54 24 (2017)
https://doi.org/10.1016/j.newast.2016.12.003

Mrk 421 after the Giant X-Ray Outburst in 2013

B. Kapanadze, D. Dorner, P. Romano, S. Vercellone, S. Kapanadze and L. Tabagari
The Astrophysical Journal 848 (2) 103 (2017)
https://doi.org/10.3847/1538-4357/aa8ea6

Jets and Winds in Pulsar Wind Nebulae, Gamma-Ray Bursts and Blazars

Gustavo E. Romero, M. Boettcher, S. Markoff and F. Tavecchio
Space Sciences Series of ISSI, Jets and Winds in Pulsar Wind Nebulae, Gamma-Ray Bursts and Blazars 62 5 (2017)
https://doi.org/10.1007/978-94-024-1292-5_2

MAGIC detection of very high energy γ-ray emission from the low-luminosity blazar 1ES 1741+196

M. L. Ahnen, S. Ansoldi, L. A. Antonelli, et al.
Monthly Notices of the Royal Astronomical Society 468 (2) 1534 (2017)
https://doi.org/10.1093/mnras/stx472

The prolonged X-ray flaring activity of Mrk 501 in 2014

B. Kapanadze, D. Dorner, P. Romano, et al.
Monthly Notices of the Royal Astronomical Society 469 (2) 1655 (2017)
https://doi.org/10.1093/mnras/stx891

Kinematics of Parsec-scale Jets of Gamma-Ray Blazars at 43 GHz within the VLBA-BU-BLAZAR Program

Svetlana G. Jorstad, Alan P. Marscher, Daria A. Morozova, Ivan S. Troitsky, Iván Agudo, Carolina Casadio, Adi Foord, José L. Gómez, Nicholas R. MacDonald, Sol N. Molina, Anne Lähteenmäki, Joni Tammi and Merja Tornikoski
The Astrophysical Journal 846 (2) 98 (2017)
https://doi.org/10.3847/1538-4357/aa8407

Long-term Optical Polarization Variability and Multiwavelength Analysis of Blazar Mrk 421

N. Fraija, E. Benítez, D. Hiriart, M. Sorcia, J. M. López, R. Mújica, J. I. Cabrera, J. A. de Diego, M. Rojas-Luis, F. A. Salazar-Vázquez and A. Galván-Gámez
The Astrophysical Journal Supplement Series 232 (1) 7 (2017)
https://doi.org/10.3847/1538-4365/aa82cc

The swift observations of BL Lacertae object 1ES 2344+514

S. Kapanadze, B. Kapanadze, P. Romano, S. Vercellone and L. Tabagari
Astrophysics and Space Science 362 (10) (2017)
https://doi.org/10.1007/s10509-017-3170-4

Multiband variability studies and novel broadband SED modeling of Mrk 501 in 2009

M. L. Ahnen, S. Ansoldi, L. A. Antonelli, et al.
Astronomy & Astrophysics 603 A31 (2017)
https://doi.org/10.1051/0004-6361/201629540

Relativistic Jets in Active Galactic Nuclei and Microquasars

Gustavo E. Romero, M. Boettcher, S. Markoff and F. Tavecchio
Space Science Reviews 207 (1-4) 5 (2017)
https://doi.org/10.1007/s11214-016-0328-2

A SEARCH FOR SPECTRAL HYSTERESIS AND ENERGY-DEPENDENT TIME LAGS FROM X-RAY AND TeV GAMMA-RAY OBSERVATIONS OF Mrk 421

A. U. Abeysekara, S. Archambault, A. Archer, W. Benbow, R. Bird, M. Buchovecky, J. H. Buckley, V. Bugaev, J. V Cardenzana, M. Cerruti, X. Chen, L. Ciupik, M. P. Connolly, W. Cui, J. D. Eisch, A. Falcone, Q. Feng, J. P. Finley, H. Fleischhack, A. Flinders, L. Fortson, A. Furniss, S. Griffin, N. Håkansson, D. Hanna, et al.
The Astrophysical Journal 834 (1) 2 (2017)
https://doi.org/10.3847/1538-4357/834/1/2

Dissecting the long-term emission behaviour of the BL Lac object Mrk 421

M. I. Carnerero, C. M. Raiteri, M. Villata, et al.
Monthly Notices of the Royal Astronomical Society 472 (4) 3789 (2017)
https://doi.org/10.1093/mnras/stx2185

X-ray flux variability of active galactic nuclei observed using NuSTAR

Priyanka Rani, C. S. Stalin and Suvendu Rakshit
Monthly Notices of the Royal Astronomical Society 466 (3) 3309 (2017)
https://doi.org/10.1093/mnras/stw3228

Dynamic changes of emitting electron distribution in the jet of 3C 279: signatures of acceleration and cooling

Dahai Yan, Jianjian He, Jinyuan Liao, Li Zhang and Shuang-Nan Zhang
Monthly Notices of the Royal Astronomical Society 456 (2) 2173 (2016)
https://doi.org/10.1093/mnras/stv2829

SYSTEMATIC STUDY OF GAMMA-RAY-BRIGHT BLAZARS WITH OPTICAL POLARIZATION AND GAMMA-RAY VARIABILITY

Ryosuke Itoh, Krzysztof Nalewajko, Yasushi Fukazawa, Makoto Uemura, Yasuyuki T. Tanaka, Koji S. Kawabata, Greg M. Madejski, Frank. K. Schinzel, Yuka Kanda, Kensei Shiki, Hiroshi Akitaya, Miho Kawabata, Yuki Moritani, Tatsuya Nakaoka, Takashi Ohsugi, Mahito Sasada, Katsutoshi Takaki, Koji Takata, Takahiro Ui, Masayuki Yamanaka and Michitoshi Yoshida
The Astrophysical Journal 833 (1) 77 (2016)
https://doi.org/10.3847/1538-4357/833/1/77

Particle diffusion and localized acceleration in inhomogeneous AGN jets – II. Stochastic variation

Xuhui Chen, Martin Pohl, Markus Böttcher and Shan Gao
Monthly Notices of the Royal Astronomical Society 458 (3) 3260 (2016)
https://doi.org/10.1093/mnras/stw528

MULTIWAVELENGTH STUDY OF QUIESCENT STATES OF Mrk 421 WITH UNPRECEDENTED HARD X-RAY COVERAGE PROVIDED BY NuSTAR IN 2013

M. Baloković, D. Paneque, G. Madejski, A. Furniss, J. Chiang, M. Ajello, D. M. Alexander, D. Barret, R. D. Blandford, S. E. Boggs, F. E. Christensen, W. W. Craig, K. Forster, P. Giommi, B. Grefenstette, C. Hailey, F. A. Harrison, A. Hornstrup, T. Kitaguchi, J. E. Koglin, K. K. Madsen, P. H. Mao, H. Miyasaka, K. Mori, M. Perri, et al.
The Astrophysical Journal 819 (2) 156 (2016)
https://doi.org/10.3847/0004-637X/819/2/156

VERY HIGH ENERGY OBSERVATIONS OF THE BINARIES V 404 CYG AND 4U 0115+634 DURING GIANT X-RAY OUTBURSTS

A. Archer, W. Benbow, R. Bird, E. Bourbeau, M. Buchovecky, J. H. Buckley, V. Bugaev, K. Byrum, M. Cerruti, M. P. Connolly, W. Cui, M. Errando, A. Falcone, Q. Feng, M. Fernandez-Alonso, J. P. Finley, H. Fleischhack, A. Flinders, L. Fortson, A. Furniss, S. Griffin, J. Grube, M. Hütten, D. Hanna, O. Hervet, et al.
The Astrophysical Journal 831 (1) 113 (2016)
https://doi.org/10.3847/0004-637X/831/1/113

Similarity and diversity of black holes - view from the Very High Energies

Elina Lindfors
Proceedings of the International Astronomical Union 12 (S324) 11 (2016)
https://doi.org/10.1017/S1743921317001338

Long-term multi-wavelength variability and correlation study of Markarian 421 from 2007 to 2009

M. L. Ahnen, S. Ansoldi, L. A. Antonelli, et al.
Astronomy & Astrophysics 593 A91 (2016)
https://doi.org/10.1051/0004-6361/201628447