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Exploring Changing-look Active Galactic Nuclei with the Sloan Digital Sky Survey V: First Year Results

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Four changing look active galactic nuclei found from optical variations

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Lense–Thirring precession after a supermassive black hole disrupts a star

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The Calm Before the (Next) Storm: No Third Outburst in 2019–2020, and Ongoing Monitoring of the Transient AGN IC 3599

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Prospects for Time-Domain and Multi-Messenger Science with AXIS

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https://doi.org/10.3390/universe10080316

An X-ray flaring event and a variable soft X-ray excess in the Seyfert LCRS B040659.9–385922 as detected with eROSITA

S. Krishnan, A. G. Markowitz, M. Krumpe, D. Homan, R. Brogan, S. Haemmerich, M. Gromadzki, T. Saha, M. Schramm, D. E. Reichart, H. Winkler, S. Waddell, J. Wilms, A. Rau, Z. Liu and I. Grotova
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Velocity-resolved Reverberation Mapping of Changing-look Active Galactic Nucleus NGC 4151 during Outburst Stage. II. Results of Four Seasons of Observation

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Testing colour–magnitude pattern as a method in the search for changing-look AGNs

Li-Tao Zhu, Zhongxiang Wang, P U Devanand, Alok C Gupta, Karan Dogra, Jie Li, Ju-Jia Zhang, Shun-Hao Ji and Si-Si Sun
Monthly Notices of the Royal Astronomical Society 536 (3) 2715 (2024)
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The extremes of continuum and emission-line variability of AGN: Changing-look events and binary SMBHS

S. Komossa and D. Grupe
Serbian Astronomical Journal (209) 1 (2024)
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Flares in the changing look AGN Mrk 590 – I. The UV response to X-ray outbursts suggests a more complex reprocessing geometry than a standard disc

D Lawther, M Vestergaard, S Raimundo, J Y Koay, B M Peterson, X Fan, D Grupe and S Mathur
Monthly Notices of the Royal Astronomical Society 519 (3) 3903 (2023)
https://doi.org/10.1093/mnras/stac3515

Long-term multiwavelength monitoring and reverberation mapping of NGC 2617 during a changing-look event

V L Oknyansky, M S Brotherton, S S Tsygankov, A V Dodin, A M Tatarnikov, P Du, D -W Bao, M A Burlak, N P Ikonnikova, V M Lipunov, E S Gorbovskoy, V G Metlov, A A Belinski, N I Shatsky, S G Zheltouhov, N A Maslennikova, J -M Wang, S Zhai, F -N Fang, Y -X Fu, H -R Bai, D Kasper, N A Huseynov, J N McLane, J Maithil, et al.
Monthly Notices of the Royal Astronomical Society 525 (2) 2571 (2023)
https://doi.org/10.1093/mnras/stad2442

Time-dependent global simulations of a thin accretion disc: the effects of magnetically driven winds on thermal instability

Yu Zhao, Xiao-Hong Yang, Li Xue and Shuang-Liang Li
Monthly Notices of the Royal Astronomical Society 526 (1) 862 (2023)
https://doi.org/10.1093/mnras/stad2816

Quasi-periodic eruptions from mildly eccentric unstable mass transfer in galactic nuclei

Wenbin Lu and Eliot Quataert
Monthly Notices of the Royal Astronomical Society 524 (4) 6247 (2023)
https://doi.org/10.1093/mnras/stad2203

Multiple flares in the changing-look AGN NGC 5273

J M M Neustadt, J T Hinkle, C S Kochanek, M T Reynolds, S Mathur, M A Tucker, R Pogge, K Z Stanek, A V Payne, B J Shappee, T W-S Holoien, K Auchettl, C Ashall, T de Jaeger, D Desai, A Do, W B Hoogendam and M E Huber
Monthly Notices of the Royal Astronomical Society 521 (3) 3810 (2023)
https://doi.org/10.1093/mnras/stad725

Deciphering the extreme X-ray variability of the nuclear transient eRASSt J045650.3−203750

Z. Liu, A. Malyali, M. Krumpe, et al.
Astronomy & Astrophysics 669 A75 (2023)
https://doi.org/10.1051/0004-6361/202244805

Repeating tidal disruptions in GSN 069: Long-term evolution and constraints on quasi-periodic eruptions’ models

G. Miniutti, M. Giustini, R. Arcodia, et al.
Astronomy & Astrophysics 670 A93 (2023)
https://doi.org/10.1051/0004-6361/202244512

Long-Term Optical Monitoring of Broad-Line AGNs (LoTerm AGN): Case Study of NGC 3516

Dragana Ilić, Luka Č. Popović, Alexander Burenkov, Elena Shablovinskaya, Eugene Malygin, Roman Uklein, Alexei V. Moiseev, Dmitry Oparin, Víctor M. Patiño Álvarez, Vahram Chavushyan, Paola Marziani, Mauro D’Onofrio, Alberto Floris, Andjelka B. Kovačević, Jovana Jovičić, Djordje Miković, Nemanja Rakić, Saša Simić, Sladjana Marčeta Mandić, Stefano Ciroi, Amelia Vietri, Luca Crepaldi and Ascensión del Olmo
Physics 6 (1) 31 (2023)
https://doi.org/10.3390/physics6010003

Spectral energy distribution profiles from AGN accretion disc in multigap set-up

Marcel Štolc, Michal Zajaček, Bożena Czerny and Vladimír Karas
Monthly Notices of the Royal Astronomical Society 522 (2) 2869 (2023)
https://doi.org/10.1093/mnras/stad1127

Probing the Origin of Changing-look Quasar Transitions with Chandra

Qian Yang, Paul J. Green, Chelsea L. MacLeod, Richard M. Plotkin, Scott F. Anderson, Allyson Bieryla, Francesca Civano, Michael Eracleous, Matthew Graham, John J. Ruan, Jessie Runnoe and Xiurui Zhao
The Astrophysical Journal 953 (1) 61 (2023)
https://doi.org/10.3847/1538-4357/acdedd

Why Are Some Radio Galaxies Detected by Fermi, but Others Not?

Danyi Huang, Xuhong Ye, Xiao Ye, Xiulin Huang, Yanjun Qian, Ziyan Li, Chengfeng Li, Jiru Liao, Hengji Zhang, Zhiyuan Pei, Jianghe Yang and Junhui Fan
Universe 9 (11) 479 (2023)
https://doi.org/10.3390/universe9110479

Long-term optical spectral monitoring of a changing-look active galactic nucleus NGC 3516

Luka Č. Popović, Dragana Ilić, Alexander Burenkov, Victor Manuel Patiño Alvarez, Sladjana Marčeta-Mandić, Jelena Kovačević-Dojčinović, Elena Shablovinskaya, Andjelka B. Kovačević, Paola Marziani, Vahram Chavushyan, Jian-Min Wang, Yan-Rong Li and Evencio G. Mediavilla
Astronomy & Astrophysics 675 A178 (2023)
https://doi.org/10.1051/0004-6361/202345949

Nozzle Shocks, Disk Tearing, and Streamers Drive Rapid Accretion in 3D GRMHD Simulations of Warped Thin Disks

Nicholas Kaaz, Matthew T. P. Liska, Jonatan Jacquemin-Ide, Zachary L. Andalman, Gibwa Musoke, Alexander Tchekhovskoy and Oliver Porth
The Astrophysical Journal 955 (1) 72 (2023)
https://doi.org/10.3847/1538-4357/ace051

Are “Changing-look” Active Galactic Nuclei Special in the Coevolution of Supermassive Black Holes and Their Hosts? I.

J. Wang, W. K. Zheng, T. G. Brink, D. W. Xu, A. V. Filippenko, C. Gao, C. H. Xie and J. Y. Wei
The Astrophysical Journal 956 (2) 137 (2023)
https://doi.org/10.3847/1538-4357/acf5e0

Radiation Transport Two-temperature GRMHD Simulations of Warped Accretion Disks

M. T. P. Liska, N. Kaaz, G. Musoke, A. Tchekhovskoy and O. Porth
The Astrophysical Journal Letters 944 (2) L48 (2023)
https://doi.org/10.3847/2041-8213/acb6f4

Modified models of radiation pressure instability applied to 10, 105, and 107 M⊙ accreting black holes

Marzena Śniegowska, Mikołaj Grzȩdzielski, Bożena Czerny and Agnieszka Janiuk
Astronomy & Astrophysics 672 A19 (2023)
https://doi.org/10.1051/0004-6361/202243828

Accretion disks, quasars and cosmology: meandering towards understanding

Bożena Czerny, Shulei Cao, Vikram Kumar Jaiswal, et al.
Astrophysics and Space Science 368 (2) (2023)
https://doi.org/10.1007/s10509-023-04165-7

Tormund’s return: Hints of quasi-periodic eruption features from a recent optical tidal disruption event

E. Quintin, N. A. Webb, S. Guillot, G. Miniutti, E. S. Kammoun, M. Giustini, R. Arcodia, G. Soucail, N. Clerc, R. Amato and C. B. Markwardt
Astronomy & Astrophysics 675 A152 (2023)
https://doi.org/10.1051/0004-6361/202346440

Modeling changing‐look active galactic nuclei phenomenon in 1D using accretion disk instabilities

Marzena Śniegowska, Mikołaj Grzędzielski, Bożena Czerny and Agnieszka Janiuk
Astronomische Nachrichten 343 (1-2) (2022)
https://doi.org/10.1002/asna.20210065

Confirming new changing-look AGNs discovered through optical variability using a random forest-based light-curve classifier

E López-Navas, M L Martínez-Aldama, S Bernal, P Sánchez-Sáez, P Arévalo, Matthew J Graham, L Hernández-García, P Lira and P A Rojas Lobos
Monthly Notices of the Royal Astronomical Society: Letters 513 (1) L57 (2022)
https://doi.org/10.1093/mnrasl/slac033

Evolution of a Relativistic Outflow and X-Ray Corona in the Extreme Changing-look AGN 1ES 1927+654

Megan Masterson, Erin Kara, Claudio Ricci, Javier A. García, Andrew C. Fabian, Ciro Pinto, Peter Kosec, Ronald A. Remillard, Michael Loewenstein, Benny Trakhtenbrot and Iair Arcavi
The Astrophysical Journal 934 (1) 35 (2022)
https://doi.org/10.3847/1538-4357/ac76c0

The Origin of the Vanishing Soft X-Ray Excess in the Changing-look Active Galactic Nucleus Mrk 590

Ritesh Ghosh, Sibasish Laha, Kunal Deshmukh, Varun Bhalerao, Gulab C. Dewangan and Ritaban Chatterjee
The Astrophysical Journal 937 (1) 31 (2022)
https://doi.org/10.3847/1538-4357/ac887e

Mid-infrared Outbursts in Nearby Galaxies (MIRONG). II. Optical Spectroscopic Follow-up

Yibo Wang, Ning Jiang, Tinggui Wang, Lin Yan, Zhenfeng Sheng, Liming Dou, Jiani Ding, Zheng Cai, Luming Sun, Chenwei Yang and Xinwen Shu
The Astrophysical Journal Supplement Series 258 (1) 21 (2022)
https://doi.org/10.3847/1538-4365/ac33a6

Recurrent X-ray flares of the black hole candidate in the globular cluster RZ 2109 in NGC 4472

A. Tiengo, P. Esposito, M. Toscani, et al.
Astronomy & Astrophysics 661 A68 (2022)
https://doi.org/10.1051/0004-6361/202142662

Extreme X-Ray Reflection in the Nucleus of the Seyfert Galaxy NGC 5033

S. B. Yun, J. M. Miller, D. Barret, D. Stern, W. N. Brandt, L. Brenneman, P. Draghis, A. C. Fabian, J. Raymond and A. Zoghbi
The Astrophysical Journal 935 (1) 12 (2022)
https://doi.org/10.3847/1538-4357/ac7f30

AstroSat View of Spectral Transition in the Changing-look Active Galaxy NGC 1566 during the Declining Phase of the 2018 Outburst

Prakash Tripathi and Gulab C. Dewangan
The Astrophysical Journal 925 (1) 101 (2022)
https://doi.org/10.3847/1538-4357/ac3a6e

Milli-Hertz Gravitational-wave Background Produced by Quasiperiodic Eruptions

Xian Chen, Yu Qiu, Shuo Li and F. K. Liu
The Astrophysical Journal 930 (2) 122 (2022)
https://doi.org/10.3847/1538-4357/ac63bf

Thermal Comptonization in a Changing Corona in the Changing-look Active Galaxy NGC 1566

Prakash Tripathi and Gulab Chand Dewangan
The Astrophysical Journal 930 (2) 117 (2022)
https://doi.org/10.3847/1538-4357/ac610f

B3 0749+460A: A New Repeat “Changing-look” Active Galactic Nucleus Associated with X-Ray Spectral Slope Variations

J. Wang, W. K. Zheng, D. W. Xu, et al.
Research in Astronomy and Astrophysics 22 (1) 015011 (2022)
https://doi.org/10.1088/1674-4527/ac3477

Bozena Czerny, Shulei Cao, Vikram Kumar Jaiswal, Vladimír Karas, Narayan Khadka, Mary Loli Martínez-Aldama, Mohammad Hassan Naddaf, Swayamtrupta Panda, Francisco Pozo Nuñez, Raj Prince, Bharat Ratra, Marzena Sniegowska, Zhefu Yu and Michal Zajaček
(2022)
https://doi.org/10.21203/rs.3.rs-2064605/v1

Interacting Stellar EMRIs as Sources of Quasi-periodic Eruptions in Galactic Nuclei

Brian D. Metzger, Nicholas C. Stone and Shmuel Gilbaum
The Astrophysical Journal 926 (1) 101 (2022)
https://doi.org/10.3847/1538-4357/ac3ee1

A Disk Instability Model for the Quasi-periodic Eruptions of GSN 069

Xin Pan, Shuang-Liang Li, Xinwu Cao, Giovanni Miniutti and Minfeng Gu
The Astrophysical Journal Letters 928 (2) L18 (2022)
https://doi.org/10.3847/2041-8213/ac5faf

Local Active Galactic Nuclei with Large Broad-Hα Variability Reside in Red Galaxies

Wen-Juan Liu, Paulina Lira, Su Yao, Dawei Xu, Jing Wang, Xiao-Bo Dong and Jorge Martínez-Palomera
The Astrophysical Journal 915 (1) 63 (2021)
https://doi.org/10.3847/1538-4357/abf82c

A Magnetic Disk-outflow Model for Changing Look Active Galactic Nuclei

Junjie Feng, Xinwu Cao, Jia-wen Li and Wei-Min Gu
The Astrophysical Journal 916 (2) 61 (2021)
https://doi.org/10.3847/1538-4357/ac07a6

The Effects of Large-scale Magnetic Fields on the Model for Repeating Changing-look AGNs

Xin Pan, Shuang-Liang Li and Xinwu Cao
The Astrophysical Journal 910 (2) 97 (2021)
https://doi.org/10.3847/1538-4357/abe766

Long-term and multiwavelength evolution of a changing-look AGN Mrk 1018

Bing Lyu, Zhen Yan, Wenfei Yu and Qingwen Wu
Monthly Notices of the Royal Astronomical Society 506 (3) 4188 (2021)
https://doi.org/10.1093/mnras/stab1581

Reverberation Mapping of Changing-look Active Galactic Nucleus NGC 3516

Hai-Cheng Feng, Chen Hu, Sha-Sha Li, H. T. Liu, J. M. Bai, Li-Feng Xing, Wei-Yang Wang, Zi-Xu Yang, Ming Xiao and Kai-Xing Lu
The Astrophysical Journal 909 (1) 18 (2021)
https://doi.org/10.3847/1538-4357/abd851