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Probing X-Ray Timing and Spectral Variability in the Blazar PKS 2155–304 over a Decade of XMM-Newton Observations
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Rapid variability of Markarian 421 during extreme flaring as seen through the eyes of XMM–Newton
A Gokus, J Wilms, M Kadler, D Dorner, M A Nowak, A Kreikenbohm, K Leiter, T Bretz, B Schleicher, A G Markowitz, K Pottschmidt, K Mannheim, I Kreykenbohm, M Langejahn, F McBride, T Beuchert, T Dauser, M Kreter, J Abhir, D Baack, M Balbo, A Biland, K Brand, J Buss, L Eisenberger, et al. Monthly Notices of the Royal Astronomical Society 529(2) 1450 (2024) https://doi.org/10.1093/mnras/stae643
The high energy X-ray probe (HEX-P): the most powerful jets through the lens of a superb X-ray eye
Lea Marcotulli, Marco Ajello, Markus Böttcher, Paolo Coppi, Luigi Costamante, Laura Di Gesu, Manel Errando, Javier A. García, Andrea Gokus, Ioannis Liodakis, Greg Madejski, Kristin Madsen, Alberto Moretti, Riccardo Middei, Felicia McBride, Maria Petropoulou, Bindu Rani, Tullia Sbarrato, Daniel Stern, Georgios Vasilopoulos, Michael Zacharias and Haocheng Zhang Frontiers in Astronomy and Space Sciences 11 (2024) https://doi.org/10.3389/fspas.2024.1290057
X-ray flux and spectral variability of the blazar OJ 287 with Suzaku
Dongtao Zhou, Zhongli Zhang, Alok C Gupta, Pankaj Kushwaha, Paul J Wiita, Minfeng Gu and Haiguang Xu Monthly Notices of the Royal Astronomical Society 532(3) 3285 (2024) https://doi.org/10.1093/mnras/stae1722
Gamma-ray blazar classification using machine learning with advanced weight initialization and self-supervised learning techniques
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A radio quasi-periodic oscillation in the blazar PKS J2156−0037
A Small-scale Structure Model of a Jet Based on Observations of Microvariability
Jingran Xu, Shaoming Hu, Xu Chen, Yunguo Jiang and Sofya Alexeeva The Astrophysical Journal Supplement Series 268(2) 54 (2023) https://doi.org/10.3847/1538-4365/aceda8
Catching profound optical flares in blazars
Gopal Bhatta, Staszek Zola, M Drozdz, Daniel Reichart, Joshua Haislip, Vladimir Kouprianov, Katsura Matsumoto, Eda Sonbas, D Caton, Urszula Pajdosz-Śmierciak, A Simon, J Provencal, Dariusz Góra and Grzegorz Stachowski Monthly Notices of the Royal Astronomical Society 520(2) 2633 (2023) https://doi.org/10.1093/mnras/stad280
Long-term hard X-ray variability properties of Swift-BAT blazars
Unusual Hard X-Ray Flares Caught in NICER Monitoring of the Binary Supermassive Black Hole Candidate AT2019cuk/Tick Tock/SDSS J1430+2303
Megan Masterson, Erin Kara, Dheeraj R. Pasham, Daniel J. D’Orazio, Dominic J. Walton, Andrew C. Fabian, Matteo Lucchini, Ronald A. Remillard, Zaven Arzoumanian, Otabek Burkhonov, Hyeonho Choi, Shuhrat A. Ehgamberdiev, Elizabeth C. Ferrara, Muryel Guolo, Myungshin Im, Yonggi Kim, Davron O. Mirzaqulov, Gregory S. H. Paek, Hyun-Il Sung and Joh-Na Yoon The Astrophysical Journal Letters 945(2) L34 (2023) https://doi.org/10.3847/2041-8213/acbea9
Gaëtan Fichet de Clairfontaine, Sara Buson, Leonard Pfeiffer, Stefano Marchesi, Alessandra Azzollini, Vardan Baghmanyan, Andrea Tramacere, Eleonora Barbano and Lenz Oswald The Astrophysical Journal Letters 958(1) L2 (2023) https://doi.org/10.3847/2041-8213/ad0644
Correlated short time-scale hard-soft X-ray variability of the blazars Mrk 421 and 1ES 1959+650 using AstroSat
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 timing and spectral variability properties of blazars S5 0716 + 714, OJ 287, Mrk 501, and RBS 2070
Maksym Mohorian, Gopal Bhatta, Tek P Adhikari, et al. Monthly Notices of the Royal Astronomical Society 510(4) 5280 (2022) https://doi.org/10.1093/mnras/stab3738
Correlations between X-ray spectral parameters of Mkn 421 using long-term Swift–XRT data
Rukaiya Khatoon, Zahir Shah, Jyotishree Hota, et al. Monthly Notices of the Royal Astronomical Society 515(3) 3749 (2022) https://doi.org/10.1093/mnras/stac1964
The first hard X-ray spectral catalogue of Blazars observed by NuSTAR
X-Ray Intraday Variability of the TeV Blazar Markarian 421 with XMM-Newton
A Priyana Noel, Haritma Gaur, Alok C. Gupta, Alicja Wierzcholska, Michał Ostrowski, Vinit Dhiman and Gopal Bhatta The Astrophysical Journal Supplement Series 262(1) 4 (2022) https://doi.org/10.3847/1538-4365/ac7799
Probing the physical properties of the intergalactic medium using blazars
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Gamma-ray blazar variability: new statistical methods of time-flux distributions
X-Ray Intraday Variability of the TeV Blazar PKS 2155–304 with Suzaku during 2005–2014
Zhongli Zhang, Alok C. Gupta, Haritma Gaur, Paul J. Wiita, Tao An, Yang Lu, Shida Fan and Haiguang Xu The Astrophysical Journal 909(2) 103 (2021) https://doi.org/10.3847/1538-4357/abdd38
X-Ray Observations of 1ES 1959+650 in Its High-activity State in 2016–2017 with AstroSat and Swift
Sunil Chandra, Markus Boettcher, Pranjupriya Goswami, Kulinder Pal Singh, Michael Zacharias, Navpreet Kaur, Sudip Bhattacharyya, Shashikiran Ganesh and Daniela Dorner The Astrophysical Journal 918(2) 67 (2021) https://doi.org/10.3847/1538-4357/ac01d1
Characterizing Long-term Optical Variability Properties of γ-Ray-bright Blazars
First detection of VHE gamma-ray emission from TXS 1515–273, study of its X-ray variability and spectral energy distribution
V A Acciari, S Ansoldi, L A Antonelli, et al. Monthly Notices of the Royal Astronomical Society 507(1) 1528 (2021) https://doi.org/10.1093/mnras/stab1994
Minute-timescale Variability in the X-ray Emission of the Highest Redshift Blazar*
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Characterizing continuum variability in the radio-loud narrow-line Seyfert 1 galaxy IRAS 17020+4544
X-Ray Spectral Variations of Synchrotron Peak in BL Lacs
Yijun Wang, Shifu Zhu, Yongquan Xue, Minfeng Gu, Shanshan Weng and Huynh Anh N. Le The Astrophysical Journal 885(1) 8 (2019) https://doi.org/10.3847/1538-4357/ab4416
Blazar Mrk 501 shows rhythmic oscillations in its γ-ray emission
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