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Searching for similarities in the accretion flow of Seyfert 1 galaxies and cataclysmic variables based on the flare profiles of IRAS 13224–3809, 1H 0707–495, Mrk 766, and MV Lyr

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Investigation into the origin of the soft excess in Ark 564 using principal component analysis

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X-ray view of dissipative warm corona in active galactic nuclei

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Systematic collapse of the accretion disc across the supermassive black hole population

Scott Hagen, Chris Done, John D Silverman, Junyao Li, Teng Liu, Wenke Ren, Johannes Buchner, Andrea Merloni, Tohru Nagao and Mara Salvato
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X-ray Analysis of Seyfert 1 Galaxies with Optical Polarization: A Test for Unification Models

M. Gudiño, E. Jiménez-Bailón, A. L. Longinotti, M. Guainazzi, M. Cerviño and A. C. Robleto-Orús
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Effects of ultrafast outflows on X-ray time lags in active galactic nuclei

Yerong Xu, Ciro Pinto, Erin Kara, Stefano Bianchi, William Alston and Francesco Tombesi
Astronomy & Astrophysics 692 A78 (2024)
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A Self-consistent Treatment of the Line-driving Radiation Force for Active Galactic Nuclei Outflows: New Prescriptions for Simulations

Aylecia S. Lattimer and Steven R. Cranmer
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Accretion properties of a low-mass active galactic nucleus: UGC 6728

Prantik Nandi, Sachindra Naik, Arka Chatterjee, Sandip K Chakrabarti, Samar Safi-Harb, Neeraj Kumari and Narendranath Layek
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Model of a “Warm Corona” as the origin of the soft X-ray excess of active galactic nuclei

Norita Kawanaka and Shin Mineshige
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Fragments of harmony amid apparent chaos: A closer look at the X-ray quasi-periodic eruptions of the galaxy RX J1301.9+2747

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Probing the face-on disc-corona system of the bare AGN Mrk 110 from UV to hard X-rays: A moderate changing-state AGN?

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A systematic study of the ultra-fast outflow responses to luminosity variations in active galactic nuclei

Yerong Xu, Ciro Pinto, Daniele Rogantini, Didier Barret, Stefano Bianchi, Matteo Guainazzi, Jacobo Ebrero, William Alston, Erin Kara and Giancarlo Cusumano
Astronomy & Astrophysics 687 A179 (2024)
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The high energy X-ray probe (HEX-P): probing the physics of the X-ray corona in active galactic nuclei

Elias Kammoun, Anne M. Lohfink, Megan Masterson, Dan R. Wilkins, Xiurui Zhao, Mislav Balokovic, Peter G. Boorman, Riley Connors, Paolo Coppi, Andrew Fabian, Javier A. García, Kristin K. Madsen, Nicole Rodriguez Cavero, Navin Sridhar, Daniel Stern, John Tomsick, Thomas Wevers, Dominic J. Walton, Stefano Bianchi, Johannes Buchner, Francesca M. Civano, Giorgio Lanzuisi, Labani Mallick, Giorgio Matt, Andrea Merloni, et al.
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eROSITA detection of a cloud obscuration event in the Seyfert AGN EC 04570–5206

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Astronomy & Astrophysics 684 A101 (2024)
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Investigating the nuclear properties of highly accreting active galactic nuclei with XMM-Newton

M. Laurenti, F. Tombesi, F. Vagnetti, E. Piconcelli, M. Guainazzi, C. Vignali, M. Paolillo, R. Middei, A. Bongiorno and L. Zappacosta
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The Reliability of Accretion Disk Inclination Derived from X-Ray Spectroscopy of Active Galaxies

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Unveiling energy pathways in AGN accretion flows with the warm corona model for the soft excess

D R Ballantyne, V Sudhakar, D Fairfax, S Bianchi, B Czerny, A De Rosa, B De Marco, R Middei, B Palit, P -O Petrucci, A Różańska and F Ursini
Monthly Notices of the Royal Astronomical Society 530 (2) 1603 (2024)
https://doi.org/10.1093/mnras/stae944

Spectral and type I X-ray burst studies of 4U 1702−429 using AstroSat observations

M Varun, Neal Titus Thomas, S B Gudennavar and S G Bubbly
Monthly Notices of the Royal Astronomical Society 529 (3) 2234 (2024)
https://doi.org/10.1093/mnras/stae636

The eROSITA Final Equatorial Depth Survey (eFEDS): Complex absorption and soft excesses in hard X-ray–selected active galactic nuclei

S. G. H. Waddell, K. Nandra, J. Buchner, Q. Wu, Y. Shen, R. Arcodia, A. Merloni, M. Salvato, T. Dauser, Th. Boller, T. Liu, J. Comparat, J. Wolf, T. Dwelly, C. Ricci, J. R. Brownstein and M. Brusa
Astronomy & Astrophysics 690 A132 (2024)
https://doi.org/10.1051/0004-6361/202245572

AGN STORM 2. IX. Studying the Dynamics of the Ionized Obscurer in Mrk 817 with High-resolution X-Ray Spectroscopy

Fatima Zaidouni, Erin Kara, Peter Kosec, Missagh Mehdipour, Daniele Rogantini, Gerard A. Kriss, Ehud Behar, Jelle Kaastra, Aaron J. Barth, Edward M. Cackett, Gisella De Rosa, Yasaman Homayouni, Keith Horne, Hermine Landt, Nahum Arav, Misty C. Bentz, Michael S. Brotherton, Elena Dalla Bontà, Maryam Dehghanian, Gary J. Ferland, Carina Fian, Jonathan Gelbord, Michael R. Goad, Diego H. González Buitrago, Catherine J. Grier, et al.
The Astrophysical Journal 974 (1) 91 (2024)
https://doi.org/10.3847/1538-4357/ad6771

The origin of the soft excess in the luminous quasar HE 1029-1401

B. Vaia, F. Ursini, G. Matt, D. R. Ballantyne, S. Bianchi, A. De Rosa, R. Middei, P. O. Petrucci, E. Piconcelli and A. Tortosa
Astronomy & Astrophysics 688 A189 (2024)
https://doi.org/10.1051/0004-6361/202449524

What drives the variability in AGN? Explaining the UV-Xray disconnect through propagating fluctuations

Scott Hagen, Chris Done and Rick Edelson
Monthly Notices of the Royal Astronomical Society 530 (4) 4850 (2024)
https://doi.org/10.1093/mnras/stae1177

Long Term X-Ray Spectral Variations of the Seyfert-1 Galaxy Mrk 279

K. Akhila, Ranjeev Misra, Savithri H. Ezhikode and K. Jeena
Research in Astronomy and Astrophysics 24 (6) 065025 (2024)
https://doi.org/10.1088/1674-4527/ad4962

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
Astronomy & Astrophysics 691 A102 (2024)
https://doi.org/10.1051/0004-6361/202349126

Common origin for black holes in both high mass X-ray binaries and gravitational-wave sources

Krzysztof Belczynski, Christine Done, Scott Hagen, Jean-Pierre Lasota and Koushik Sen
Astronomy & Astrophysics 690 A21 (2024)
https://doi.org/10.1051/0004-6361/202450229

First detection of the outer edge of an AGN accretion disc: very fast multiband optical variability of NGC 4395 with GTC/HiPERCAM and LT/IO:O

I M McHardy, M Beard, E Breedt, et al.
Monthly Notices of the Royal Astronomical Society 519 (3) 3366 (2023)
https://doi.org/10.1093/mnras/stac3651

Survey of Bare Active Galactic Nuclei in the Local Universe (z < 0.2). I. On the Origin of Soft Excess

Prantik Nandi, Arka Chatterjee, Arghajit Jana, Sandip K. Chakrabarti, Sachindra Naik, Samar Safi-Harb, Hsiang-Kuang Chang and Jeremy Heyl
The Astrophysical Journal Supplement Series 269 (1) 15 (2023)
https://doi.org/10.3847/1538-4365/acf4f9

Thermal instability as a constraint for warm X-ray coronas in active galactic nuclei

Dominik Gronkiewicz, Agata Różańska, Pierre-Olivier Petrucci and Renaud Belmont
Astronomy & Astrophysics 675 A198 (2023)
https://doi.org/10.1051/0004-6361/202244410

Magnetic support, wind-driven accretion, coronal heating, and fast outflows in a thin magnetically arrested disc

Nicolas Scepi, Mitchell C Begelman and Jason Dexter
Monthly Notices of the Royal Astronomical Society 527 (1) 1424 (2023)
https://doi.org/10.1093/mnras/stad3299

The exploration of the soft X-ray excess in FSRQ 4C+21.35 during the 2014 X-ray flare

Keqin Zhao, Hongxing Yin, Shaoming Hu, Shifeng Huang, Erlin Qiao, Huaqing Cheng, Xu Chen and Jingran Xu
Monthly Notices of the Royal Astronomical Society 525 (1) 642 (2023)
https://doi.org/10.1093/mnras/stad2325

Ray-tracing simulations of the soft X-ray scattered emission in obscured active galactic nuclei

Jeffrey McKaig, Claudio Ricci, Stéphane Paltani, K K Gupta, Nicholas P Abel and Y Ueda
Monthly Notices of the Royal Astronomical Society 526 (4) 5072 (2023)
https://doi.org/10.1093/mnras/stad2974

Unraveling the enigmatic soft x‐ray excess: Current understanding and future perspectives

Thomas Boller
Astronomische Nachrichten 344 (6) (2023)
https://doi.org/10.1002/asna.20230105

Estimating black hole spin from AGN SED fitting: the impact of general-relativistic ray tracing

Scott Hagen and Chris Done
Monthly Notices of the Royal Astronomical Society 525 (3) 3455 (2023)
https://doi.org/10.1093/mnras/stad2499

A Reemerging Bright Soft X-Ray State of the Changing-look Active Galactic Nucleus 1ES 1927+654: A Multiwavelength View

Ritesh Ghosh, Sibasish Laha, Eileen Meyer, Agniva Roychowdhury, Xiaolong Yang, J. A. Acosta–Pulido, Suvendu Rakshit, Shivangi Pandey, Josefa Becerra González, Ehud Behar, Luigi C. Gallo, Francesca Panessa, Stefano Bianchi, Fabio La Franca, Nicolas Scepi, Mitchell C. Begelman, Anna Lia Longinotti, Elisabeta Lusso, Samantha Oates, Matt Nicholl, S. Bradley Cenko, Brendan O’Connor, Erica Hammerstein, Jincen Jose, Krisztina Éva Gabányi, et al.
The Astrophysical Journal 955 (1) 3 (2023)
https://doi.org/10.3847/1538-4357/aced92

The intrinsic X-ray luminosity distribution of an optically selected SDSS quasar population

Amy L Rankine, James Aird, Angel Ruiz and Antonis Georgakakis
Monthly Notices of the Royal Astronomical Society 527 (3) 9004 (2023)
https://doi.org/10.1093/mnras/stad3686

Systematic broad-band X-ray study of super-Eddington accretion on to supermassive black holes – I. X-ray continuum

Alessia Tortosa, Claudio Ricci, Luis C Ho, et al.
Monthly Notices of the Royal Astronomical Society 519 (4) 6267 (2023)
https://doi.org/10.1093/mnras/stac3590

The SOUX AGN sample: optical/UV/X-ray SEDs and the nature of the disc

Jake A J Mitchell, Chris Done, Martin J Ward, Daniel Kynoch, Scott Hagen, Elisabeta Lusso and Hermine Landt
Monthly Notices of the Royal Astronomical Society 524 (2) 1796 (2023)
https://doi.org/10.1093/mnras/stad1830

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

Disentangling the AGN and Star formation Contributions to the Radio–X-Ray Emission of Radio-loud Quasars at 1 < Z < 2

Mojegan Azadi, Belinda Wilkes, Joanna Kuraszkiewicz, Jonathan McDowell, Ralf Siebenmorgen, Matthew Ashby, Mark Birkinshaw, Diana Worrall, Natasha Abrams, Peter Barthel, Giovanni G. Fazio, Martin Haas, Sóley Hyman, Rafael Martínez-Galarza and Eileen T. Meyer
The Astrophysical Journal 945 (2) 145 (2023)
https://doi.org/10.3847/1538-4357/acbe9c

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

Testing AGN outflow and accretion models with C iv and He ii emission line demographics in z ≈ 2 quasars

Matthew J Temple, James H Matthews, Paul C Hewett, et al.
Monthly Notices of the Royal Astronomical Society 523 (1) 646 (2023)
https://doi.org/10.1093/mnras/stad1448

Constraints on the ultrafast outflows in the narrow-line Seyfert 1 galaxy Mrk 1044 from high-resolution time- and flux-resolved spectroscopy

Yerong Xu, Ciro Pinto, Daniele Rogantini, Stefano Bianchi, Matteo Guainazzi, Erin Kara, Chichuan Jin and Giancarlo Cusumano
Monthly Notices of the Royal Astronomical Society 523 (2) 2158 (2023)
https://doi.org/10.1093/mnras/stad1565

The Low-temperature Corona in ESO 511−G030 Revealed by NuSTAR and XMM-Newton

Zuobin Zhang, Jiachen Jiang, Honghui Liu, Cosimo Bambi, Christopher S. Reynolds, Andrew C. Fabian, Thomas Dauser, Kristin Madsen, Andrew Young, Luigi Gallo, Zhibo Yu and John Tomsick
The Astrophysical Journal 949 (1) 4 (2023)
https://doi.org/10.3847/1538-4357/acc38f

Inclination dependence of warm coronal flux in high-accretion-rate AGNs

Ze-Yuan Tang, Jun-Jie Feng and Jun-Hui Fan
Monthly Notices of the Royal Astronomical Society 520 (1) 129 (2023)
https://doi.org/10.1093/mnras/stad128