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

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Optically thick, nonlocal, inhomogeneous, stationary jet model for high-energy radiation from blazars: Application to Mrk 421

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Multiwavelength temporal and spectral study of TeV blazar 1ES 1727+502 during 2014–2021

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Photohadronic modelling of the 2010 gamma-ray flare from Mrk 421

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

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Understanding the X-ray spectral curvature of Mkn 421 using broad-band AstroSat observations

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Detection of a high-confidence quasi-periodic oscillation in radio light curve of the high redshift FSRQ PKS J0805–0111

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

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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 *

V. A. Acciari, S. Ansoldi, L. A. Antonelli, A. Arbet Engels, D. Baack, A. Babić, B. Banerjee, U. Barres de Almeida, J. A. Barrio, J. Becerra González, W. Bednarek, L. K. Bellizzi, E. Bernardini, A. Berti, J. Besenrieder, W. Bhattacharyya, C. Bigongiari, A. Biland, O. Blanch, G. Bonnoli, Ž. Bošnjak, G. Busetto, R. Carosi, G. Ceribella, M. Cerruti, 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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Establishing a particle distribution for multi-wavelength emission from BL Lac objects

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Blazar variability power spectra from radio up to TeV photon energies: Mrk 421 and PKS 2155−304

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Unfolding the X-ray spectral curvature of Mkn 421 for further clues

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Testing two-component models on very high-energy gamma-ray-emitting BL Lac objects

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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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The Fourth Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope

M. Ajello, R. Angioni, M. Axelsson, J. Ballet, G. Barbiellini, D. Bastieri, J. Becerra Gonzalez, R. Bellazzini, E. Bissaldi, E. D. Bloom, R. Bonino, E. Bottacini, P. Bruel, S. Buson, F. Cafardo, R. A. Cameron, E. Cavazzuti, S. Chen, C. C. Cheung, S. Ciprini, D. Costantin, S. Cutini, F. D’Ammando, P. de la Torre Luque, R. de Menezes, et al.
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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
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Characteristic Variability Timescales in the Gamma-Ray Power Spectra of Blazars

J. L. Ryan, A. Siemiginowska, M. A. Sobolewska and J. Grindlay
The Astrophysical Journal 885 (1) 12 (2019)
https://doi.org/10.3847/1538-4357/ab426a

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)
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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

PKS 2155-304: A Case Study of Blazar Variability Power Spectrum at the Highest Energies and on the Longest Timescales

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Galaxies 7 (3) 73 (2019)
https://doi.org/10.3390/galaxies7030073

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)
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Extremely Rapid X-Ray Flares of TeV Blazars in the RXTE Era

S. F. Zhu, Y. Q. Xue, W. N. Brandt, W. Cui and Y. J. Wang
The Astrophysical Journal 853 (1) 34 (2018)
https://doi.org/10.3847/1538-4357/aa9f21

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)
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Signatures of the Disk–Jet Coupling in the Broad-line Radio Quasar 4C+74.26

G. Bhatta, Ł. Stawarz, A. Markowitz, K. Balasubramaniam, S. Zola, A. A. Zdziarski, M. Jamrozy, M. Ostrowski, A. Kuzmicz, W. Ogłoza, M. Dróżdż, M. Siwak, D. Kozieł-Wierzbowska, B. Debski, T. Kundera, G. Stachowski, J. Machalski, V. S. Paliya and D. B. Caton
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Systematic Investigation of X-Ray Spectral Variability of TeV Blazars during Flares in the RXTE Era

Yijun Wang, Yongquan Xue, Shifu Zhu and Junhui Fan
The Astrophysical Journal 867 (1) 68 (2018)
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Strong X-Ray and Multiwavelength Flaring Activity for 1ES 1959+650, 2016 August–2017 November

B. Kapanadze, D. Dorner, S. Vercellone, P. Romano, P. Hughes, M. Aller, H. Aller, M. Reynolds and L. Tabagari
The Astrophysical Journal Supplement Series 238 (1) 13 (2018)
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Possible Accretion Disk Origin of the Emission Variability of a Blazar Jet

Ritaban Chatterjee, Agniva Roychowdhury, Sunil Chandra and Atreyee Sinha
The Astrophysical Journal Letters 859 (2) L21 (2018)
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FBQS J1644+2619: multiwavelength properties and its place in the class of γ-ray emitting Narrow Line Seyfert 1s

J Larsson, F D’Ammando, S Falocco, et al.
Monthly Notices of the Royal Astronomical Society 476 (1) 43 (2018)
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Study of short term enhanced TeV γ- ray emission from Mrk 421 observed with TACTIC on December 28, 2014

K K Singh, K K Yadav, K Chanchalani, P Chandra, B Ghosal, A K Tickoo, R C Rannot, P Marandi, N K Agarwal, M Kothari, K K Gour, H C Goyal, A Goyal, N Kumar, C Borwankar, S R Kaul, V K Dhar, M K Koul, R Koul, K Venugopal, C K Bhat and N Chouhan
Astroparticle Physics 103 122 (2018)
https://doi.org/10.1016/j.astropartphys.2018.08.003

Intra-night variability of the blazar CTA 102 during its 2012 and 2016 giant outbursts

R. Bachev, V. Popov, A. Strigachev, et al.
Monthly Notices of the Royal Astronomical Society 471 (2) 2216 (2017)
https://doi.org/10.1093/mnras/stx1818

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

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

Multiwavelength Variability Study of the Classical BL Lac Object PKS 0735+178 on Timescales Ranging from Decades to Minutes

Arti Goyal, Łukasz Stawarz, Michał Ostrowski, Valeri Larionov, Gopal-Krishna, Paul J. Wiita, Santosh Joshi, Marian Soida and Iván Agudo
The Astrophysical Journal 837 (2) 127 (2017)
https://doi.org/10.3847/1538-4357/aa6000

VHE observation of Mrk 421 with TACTIC during 2012; multiwavelength study

B. Ghosal, K.K. Yadav, K.K. Singh, R.C. Rannot, A.K. Tickoo, P. Chandra, H. Bhatt, K.K. Gaur, A. Goyal, H.C. Goyal, N. Kumar, P. Marandi, M. Kothari, S. Sahayanathan, K. Chanchalani, N.K. Agarwal, V.K. Dhar, S.R. Kaul, M.K. Koul, R. Koul, K. Venugopal, C.K. Bhat, C. Borwankar and N. Chouhan
Astroparticle Physics 87 55 (2017)
https://doi.org/10.1016/j.astropartphys.2016.12.001

Empirical multi-wavelength prediction method for very high energy gamma-ray emitting BL Lacertae objects

V. Fallah Ramazani, E. Lindfors and K. Nilsson
Astronomy & Astrophysics 608 A68 (2017)
https://doi.org/10.1051/0004-6361/201730505

Probing the gamma-ray variability in 3C 279 using broad-band observations

B. Rani, T. P. Krichbaum, S.-S. Lee, et al.
Monthly Notices of the Royal Astronomical Society 464 (1) 418 (2017)
https://doi.org/10.1093/mnras/stw2342

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

Radio and γ-Ray Variability in the BL Lac PKS 0219−164: Detection of Quasi-periodic Oscillations in the Radio Light Curve

Gopal Bhatta
The Astrophysical Journal 847 (1) 7 (2017)
https://doi.org/10.3847/1538-4357/aa86ed

Automated Polarimetry with Smaller Aperture Telescopes: The ROVOR Observatory

Joseph Moody, Parkes Whipple, Lauren Hindmann, Nicholas Van Alfen, Jonathan Barnes, Nicolas Ducharme, L. Rivest III, McKay Osborne, Marcus Holden, Cameron Pace, Richard Pearson III, Bret Little and Eric Hintz
Galaxies 5 (4) 70 (2017)
https://doi.org/10.3390/galaxies5040070

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

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

The long-termSwiftobservations of the high-energy peaked BL Lacertae source 1ES 1959+650

B. Kapanadze, P. Romano, S. Vercellone, et al.
Monthly Notices of the Royal Astronomical Society 457 (1) 704 (2016)
https://doi.org/10.1093/mnras/stv3004

X-RAY FLARING ACTIVITY OF MRK 421 IN THE FIRST HALF OF 2013

B. Kapanadze, D. Dorner, S. Vercellone, P. Romano, H. Aller, M. Aller, P. Hughes, M. Reynolds, S. Kapanadze and L. Tabagari
The Astrophysical Journal 831 (1) 102 (2016)
https://doi.org/10.3847/0004-637X/831/1/102

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

Kepler light-curve analysis of the blazar W2R 1926+42

P. Mohan, Alok C. Gupta, Rumen Bachev and Anton Strigachev
Monthly Notices of the Royal Astronomical Society 456 (1) 654 (2016)
https://doi.org/10.1093/mnras/stv2701

4.5 YEARS OF MULTI-WAVELENGTH OBSERVATIONS OF MRK 421 DURING THE ARGO-YBJ AND FERMI COMMON OPERATION TIME

B. Bartoli, P. Bernardini, X. J. Bi, Z. Cao, S. Catalanotti, S. Z. Chen, T. L. Chen, S. W. Cui, B. Z. Dai, A. D’Amone, Danzengluobu, I. De Mitri, B. D’Ettorre Piazzoli, T. Di Girolamo, G. Di Sciascio, C. F. Feng, Zhaoyang Feng, Zhenyong Feng, Q. B. Gou, Y. Q. Guo, H. H. He, Haibing Hu, Hongbo Hu, M. Iacovacci, R. Iuppa, et al.
The Astrophysical Journal Supplement Series 222 (1) 6 (2016)
https://doi.org/10.3847/0067-0049/222/1/6

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

Locating the γ-ray emission site inFermi/LAT blazars – II. Multifrequency correlations

V. Ramakrishnan, T. Hovatta, M. Tornikoski, et al.
Monthly Notices of the Royal Astronomical Society 456 (1) 171 (2016)
https://doi.org/10.1093/mnras/stv2653