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Multiwavelength variability analysis of the blazar S5 0716+714 during a long-lasting period of low activity
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Multi-wavelength picture of the misaligned BL Lac object 3C 371
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Ultraviolet Flux and Spectral Variability Study of Blazars Observed with UVIT/AstroSat
M. Reshma, Aditi Agarwal, C. S. Stalin, Prajwel Joseph, Akanksha Dagore, Amit Kumar Mandal, Ashish Devaraj and S. B. Gudennavar The Astrophysical Journal 975(1) 6 (2024) https://doi.org/10.3847/1538-4357/ad702e
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Optical intraday variability of the blazar S5 0716+714
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Intra-night optical variability of peculiar narrow-line Seyfert 1 galaxies with enigmatic jet behaviour
Vineet Ojha, Veeresh Singh, M Berton and E Järvelä Monthly Notices of the Royal Astronomical Society: Letters 529(1) L108 (2023) https://doi.org/10.1093/mnrasl/slae003
Long-term X-Ray Outburst in the TeV-detected Blazar Mrk 501 in 2021–2022: Further Clues for the Emission and Unstable Processes
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Nibedita Kalita, Yuhai Yuan, Minfeng Gu, Junhui Fan, Yosuke Mizuno, Peng Jiang, Alok C. Gupta, Hongyan Zhou, Xiang Pan, Anton A. Strigachev, Rumen S. Bachev and Lang Cui The Astrophysical Journal 943(2) 135 (2023) https://doi.org/10.3847/1538-4357/aca801
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Evidence of jet-induced optical microvariability in radio-loud narrow-line Seyfert 1 galaxies
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Long-term Optical Monitoring of the TeV BL Lacertae Object 1ES 2344 + 514
J. T. Cai, S. O. Kurtanidze, Y. Liu, O. M. Kurtanidze, M. G. Nikolashvili, H. B. Xiao and J. H. Fan The Astrophysical Journal Supplement Series 260(2) 47 (2022) https://doi.org/10.3847/1538-4365/ac666b
X-ray intraday variability and power spectral density profiles of the blazar 3C 273 with XMM–Newton during 2000–2021
G S Pavana Gowtami, Haritma Gaur, Alok C Gupta, et al. Monthly Notices of the Royal Astronomical Society 511(2) 3101 (2022) https://doi.org/10.1093/mnras/stac286
X-Ray Intraday Variability of the TeV Blazar Markarian 421 with XMM-Newton
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Optical monitoring and IDV analysis of the blazars S5 0716+714 and 3C 273
Multiband variability of the TeV blazar PG 1553+113 with XMM–Newton
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Optical monitoring and intra-day variabilities of BL Lac Objects OJ 287
Yu-Hai Yuan, Jun-Hui Fan, Hong Wu, Jing-Meng Hao, Wei-Rong Huang, Xiao-Lan Liu and Hong-Ren Huang Research in Astronomy and Astrophysics 21(6) 138 (2021) https://doi.org/10.1088/1674-4527/21/6/138
Optical Photometry of the Quasar 3C 454.3 during the Period 2006–2018 and the Long-term Periodicity Analysis
J. H. Fan, S. O. Kurtanidze, Y. Liu, O. M. Kurtanidze, M. G. Nikolashvili, X. Liu, L. X. Zhang, J. T. Cai, J. T. Zhu, S. L. He, W. X. Yang, J. H. Yang, M. F. Gu, G. Y. Luo and Y. H. Yuan The Astrophysical Journal Supplement Series 253(1) 10 (2021) https://doi.org/10.3847/1538-4365/abd32d
Multi-band behaviour of the TeV blazar PG 1553+113 in optical range on diverse timescales
TXS 1206 + 549: a new γ-ray-detected narrow-line Seyfert 1 galaxy at redshift 1.34?
Suvendu Rakshit, Malte Schramm, C S Stalin, I Tanaka, Vaidehi S Paliya, Indrani Pal, Jari Kotilainen and Jaejin Shin Monthly Notices of the Royal Astronomical Society: Letters 504(1) L22 (2021) https://doi.org/10.1093/mnrasl/slab031
Optical Monitoring and Intraday Variabilities of the BL Lac Object PKS 0735+178
Catalog of Long-term Transient Sources in the First 10 yr of Fermi-LAT Data
L. Baldini, J. Ballet, D. Bastieri, J. Becerra Gonzalez, R. Bellazzini, A. Berretta, E. Bissaldi, R. D. Blandford, E. D. Bloom, R. Bonino, E. Bottacini, P. Bruel, S. Buson, R. A. Cameron, P. A. Caraveo, E. Cavazzuti, S. Chen, G. Chiaro, D. Ciangottini, N. Cibario, S. Ciprini, P. Cristarella Orestano, M. Crnogorcevic, S. Cutini, F. D’Ammando, et al. The Astrophysical Journal Supplement Series 256(1) 13 (2021) https://doi.org/10.3847/1538-4365/ac072a
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James R. Webb, Viviana Arroyave, Douglas Laurence, Stephen Revesz, Gopal Bhatta, Hal Hollingsworth, Sarah Dhalla, Emily Howard and Michael Cioffi Galaxies 9(4) 114 (2021) https://doi.org/10.3390/galaxies9040114
Mid-infrared variability of γ-ray emitting blazars
Ayesha Anjum, C S Stalin, Suvendu Rakshit, Shivappa B Gudennavar and Alok Durgapal Monthly Notices of the Royal Astronomical Society 494(1) 764 (2020) https://doi.org/10.1093/mnras/staa771
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Microvariability in AGNs: study of different statistical methods – II. Light curves from simulated images
L Zibecchi, I Andruchow, S A Cellone and D D Carpintero Monthly Notices of the Royal Astronomical Society 498(2) 3013 (2020) https://doi.org/10.1093/mnras/staa2544
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) https://doi.org/10.3847/1538-4365/ab6322
Multiband optical flux density and polarization microvariability study of optically bright blazars
Magdalena Pasierb, Arti Goyal, Michał Ostrowski, et al. Monthly Notices of the Royal Astronomical Society 492(1) 1295 (2020) https://doi.org/10.1093/mnras/stz3533
Optical Variability of the TeV Blazar 1ES 0806+524 on Diverse Timescales
Ashwani Pandey, Alok C. Gupta, Sofia O. Kurtanidze, Paul J. Wiita, G. Damljanovic, R. Bachev, Jin Zhang, O. M. Kurtanidze, A. Darriba, R. A. Chigladze, G. Latev, M. G. Nikolashvili, S. Peneva, E. Semkov, A. Strigachev, S. N. Tiwari and O. Vince The Astrophysical Journal 890(1) 72 (2020) https://doi.org/10.3847/1538-4357/ab698e
Multiband optical variability of 3C 279 on diverse time-scales
Aditi Agarwal, Sergio A Cellone, Ileana Andruchow, et al. Monthly Notices of the Royal Astronomical Society 488(3) 4093 (2019) https://doi.org/10.1093/mnras/stz1981
Simultaneous optical g, r, i monitoring and IDV periodic analysis for quasar 3C 454.3
Minute-scale Rapid Variability of Mrk 501 by Multi-band Photometric Monitoring from 2010 to 2017
Wei Zeng, Wen Hu, Guo-Mei Zhang, et al. Publications of the Astronomical Society of the Pacific 131(1001) 074102 (2019) https://doi.org/10.1088/1538-3873/ab200f
Optical multi-color monitoring of the BL Lacertae Object S5 0716+714 with BOOTES-4
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Optical Variability in IBL S5 0716+714 during the 2013–2015 Outbursts
Using the Markov chain Monte Carlo method to study the physical properties of GeV–TeV BL Lac objects
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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
Strong X-ray flaring activity of the BL Lacertae source OJ 287 in 2016 October–2017 April
B Kapanadze, S Vercellone, P Romano, et al. Monthly Notices of the Royal Astronomical Society 480(1) 407 (2018) https://doi.org/10.1093/mnras/sty1803
Optical Quasi-periodic Oscillation of the BL Lacertae Object S5 0716+714 during the Faint State
Optical Photometric Monitoring for 3C 66A during 1996–2009 and Its Periodicity Analysis
J. H. Fan, J. Tao, Y. Liu, Y. H. Yuan, Utane Sawangwit, J. H. Yang, Y. Huang, Y. T. Zhang, J. Y. Zhang, L. X. Zhang and J. T. Zhu The Astronomical Journal 155(2) 90 (2018) https://doi.org/10.3847/1538-3881/aaa547
Multi-color Optical Monitoring of 10 Blazars from 2005 to 2011
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The second strong X-ray flare and multifrequency variability of 1ES 1959+650 in 2016 January–August
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Multicolor Optical Monitoring of the Quasar 3C 273 from 2005 to 2016
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Variability and Period Analysis for BL Lac AO 0235+164
J. H. Fan, O. Kurtanidze, Y. Liu, X. Liu, J. H. Yang, G. M. Richter, M. G. Nikolashvili, S. O. Kurtanidze, H. T. Wang, M. Sasada, A. Y. Zhou, C. Lin, Y. H. Yuan, Y. T. Zhang and D. Costantin The Astrophysical Journal 837(1) 45 (2017) https://doi.org/10.3847/1538-4357/aa5def
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
Optical variability of the high synchrotron energy peaked blazar 1ES 1959+650 on various time-scales
The photometric monitoring ofγ-ray-loud narrow-line Seyfert 1 galaxy 1H 0323+342 from 2006 to 2010
Fang Wang, Ding-Rong Xiong, Jin-Ming Bai, Shao-Kun Li and Jian-Guo Wang Research in Astronomy and Astrophysics 17(7) 068 (2017) https://doi.org/10.1088/1674-4527/17/7/68
Optical multi-color monitoring of OJ 287 from 2006 to 2012
Qian Guo, Ding-Rong Xiong, Jin-Ming Bai, Xu-Liang Fan and Wei-Min Yi Research in Astronomy and Astrophysics 17(8) 082 (2017) https://doi.org/10.1088/1674-4527/17/8/82
Intra-night Optical Variability Monitoring of Fermi Blazars: First Results from 1.3 m J. C. Bhattacharya Telescope
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
Impact of seeing and host galaxy into the analysis of photo-polarimetric microvariability in blazars
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
Flux and Polarization Variability of OJ 287 during the Early 2016 Outburst
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Intranight optical variability of radio-quiet weak emission line quasars – IV
Parveen Kumar, Hum Chand and Gopal-Krishna Monthly Notices of the Royal Astronomical Society 461(1) 666 (2016) https://doi.org/10.1093/mnras/stw1374
Peak of spectral energy distribution plays an important role in intra-day variability of blazars?
Alok C. Gupta, Nibedita Kalita, Haritma Gaur and Kalpana Duorah Monthly Notices of the Royal Astronomical Society 462(2) 1508 (2016) https://doi.org/10.1093/mnras/stw1667
Multiband optical variability of the blazar S5 0716+714 in outburst state during 2014–2015
Aditi Agarwal, Alok C. Gupta, R. Bachev, et al. Monthly Notices of the Royal Astronomical Society 455(1) 680 (2016) https://doi.org/10.1093/mnras/stv2345
Multi-wavelength Study of Blazars Using Variability as a Tool
Kiran S. Baliyan, Navpreet Kaur, Sunil Chandra, Sameer Sameer and Shashikiran Ganesh Journal of Astronomy and Space Sciences 33(3) 177 (2016) https://doi.org/10.5140/JASS.2016.33.3.177
High-energy signatures of binary systems of supermassive black holes
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
MULTI-COLOR OPTICAL MONITORING OF MRK 501 FROM 2010 TO 2015
Dingrong Xiong, Haojing Zhang, Xiong Zhang, Tingfeng Yi, Jinming Bai, Fang Wang, Hongtao Liu and Yonggang Zheng The Astrophysical Journal Supplement Series 222(2) 24 (2016) https://doi.org/10.3847/0067-0049/222/2/24
LONG-TERM MULTI-BAND PHOTOMETRIC MONITORING OF BLAZAR S5 0716+714
Colour variation of the BL Lacertae object PKS 0537–441
Xiaopan Li, Li Zhang, Yuhui Luo, Lisha Wang and Li Zhou Monthly Notices of the Royal Astronomical Society 449(3) 2750 (2015) https://doi.org/10.1093/mnras/stv563
TESTING MICROVARIABILITY IN QUASAR DIFFERENTIAL LIGHT CURVES USING SEVERAL FIELD STARS
Nature of intranight optical variability of BL Lacertae
Haritma Gaur, Alok C. Gupta, R. Bachev, et al. Monthly Notices of the Royal Astronomical Society 452(4) 4263 (2015) https://doi.org/10.1093/mnras/stv1556
COLOR VARIABILITY OF HBC 722 IN THE POST-OUTBURST PHASES