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A UV to X-Ray View of Soft Excess in Type 1 Active Galactic Nuclei. I. Sample Selection and Spectral Profile
Shi-Jiang Chen, Jun-Xian Wang, Jia-Lai Kang, Wen-Yong Kang, Hao Sou, Teng Liu, Zhen-Yi Cai and Zhen-Bo Su The Astrophysical Journal 980(1) 23 (2025) https://doi.org/10.3847/1538-4357/ada035
The NuSTAR Local AGN N
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Peter G. Boorman, Poshak Gandhi, Johannes Buchner, Daniel Stern, Claudio Ricci, Mislav Baloković, Daniel Asmus, Fiona A. Harrison, Jiří Svoboda, Claire Greenwell, Michael J. Koss, David M. Alexander, Adlyka Annuar, Franz E. Bauer, William N. Brandt, Murray Brightman, Francesca Civano, Chien-Ting J. Chen, Duncan Farrah, Karl Forster, Brian Grefenstette, Sebastian F. Hönig, Adam B. Hill, Elias Kammoun, George Lansbury, et al. The Astrophysical Journal 978(1) 118 (2025) https://doi.org/10.3847/1538-4357/ad8236
The Close AGN Reference Survey (CARS)
T. Saha, M. Krumpe, A. Markowitz, M. Powell, G. Leung, F. Combes, R. E. McElroy, J. S. Elford, M. Gaspari, N. Winkel, A. L. Coil and T. Urrutia Astronomy & Astrophysics 699 A205 (2025) https://doi.org/10.1051/0004-6361/202554707
Measuring monster black hole masses: Maybe mighty, maybe merely massive
Modelling the selection of galaxy groups with end-to-end simulations
R. Seppi, D. Eckert, A. Finoguenov, S. Shreeram, E. Tempel, G. Gozaliasl, M. Lorenz, J. Wilms, G. A. Mamon, F. Gastaldello, L. Lovisari, E. O’Sullivan, K. Kolokythas, M. A. Bourne, M. Sun and A. Pillepich Astronomy & Astrophysics 699 A206 (2025) https://doi.org/10.1051/0004-6361/202553977
The Spectral Energy Distributions and Bolometric Luminosities of Local AGN: Study of the Complete 12 μm AGN Sample
On the Properties of X-Ray Corona in Seyfert 1 Galaxies
Indrani Pal, Anju A., H. Sreehari, Gitika Rameshan, C. S. Stalin, Claudio Ricci and S. Marchesi The Astrophysical Journal 976(1) 145 (2024) https://doi.org/10.3847/1538-4357/ad8088
Coevolution and Nuclear Structure in the Dwarf Galaxy POX 52 Studied by Multiwavelength Data from Radio to X-Ray
Taiki Kawamuro, Claudio Ricci, Satoshi Yamada, Hirofumi Noda, Ruancun Li, Matthew J. Temple and Alessia Tortosa The Astrophysical Journal 960(1) 15 (2024) https://doi.org/10.3847/1538-4357/ad0972
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 Astronomy & Astrophysics 689 A337 (2024) https://doi.org/10.1051/0004-6361/202449147
Connecting the X-Ray/UV Variability of Fairall 9 with NICER: A Possible Warm Corona
Ethan R. Partington, Edward M. Cackett, Rick Edelson, Keith Horne, Jonathan Gelbord, Erin Kara, Christian Malacaria, Jake A. Miller, James F. Steiner and Andrea Sanna The Astrophysical Journal 977(1) 77 (2024) https://doi.org/10.3847/1538-4357/ad8dc2
The Weakness of Soft X-Ray Intensity: Possible Physical Reason for Weak-line Quasars
Inferring the iron K emissivity profiles of accretion discs irradiated by extended coronae
Wenda Zhang, Michal Dovčiak, Michal Bursa, Jiří Svoboda and Vladimír Karas Monthly Notices of the Royal Astronomical Society 532(4) 3786 (2024) https://doi.org/10.1093/mnras/stae1714
Revealing the burning and soft heart of the bright bare active galactic nucleus ESO 141-G55: X-ray broadband and SED analysis
X-ray view of dissipative warm corona in active galactic nuclei
B. Palit, A. Różańska, P. O. Petrucci, D. Gronkiewicz, S. Barnier, S. Bianchi, D. R. Ballantyne, V. E. Gianolli, R. Middei, R. Belmont and F. Ursini Astronomy & Astrophysics 690 A308 (2024) https://doi.org/10.1051/0004-6361/202450111
High Eddington quasars as discovery tools: current state and challenges
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
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
An XMM–Newton study of six narrow-line Seyfert 1 galaxies at z = 0.35–0.92
Zhibo Yu, Jiachen Jiang, Cosimo Bambi, et al. Monthly Notices of the Royal Astronomical Society 522(4) 5456 (2023) https://doi.org/10.1093/mnras/stad1327
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
Soft excess in AGN with relativistic X‐ray reflection
Savithri H. Ezhikode, Shyam Prakash V. P., Gulab C. Dewangan and Blesson Mathew Astronomische Nachrichten 344(4) (2023) https://doi.org/10.1002/asna.20230042
X-ray Properties of the Luminous Quasar PG 1634+706 at $$z=1.337$$ from SRG and XMM-Newton Data
X-ray Properties of the Luminous Quasar PG 1634+706 at z = 1.337
from SRG and XMM-Newton Data
G. S. Uskov, S. Yu. Sazonov, M. R. Gilfanov, I. Yu. Lapshov and R. A. Sunyaev Письма в Астрономический журнал: Астрономия и космическая астрофизика 49(11) 717 (2023) https://doi.org/10.31857/S0320010823110098
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
Thermal Comptonization in a Changing Corona in the Changing-look Active Galaxy NGC 1566
Tell-tale Spectral Signatures of MHD-driven Ultrafast Outflows in AGNs
Keigo Fukumura, Mauro Dadina, Gabriele Matzeu, Francesco Tombesi, Chris Shrader and Demosthenes Kazanas The Astrophysical Journal 940(1) 6 (2022) https://doi.org/10.3847/1538-4357/ac9388
CLASS: Coronal Line Activity Spectroscopic Survey
Michael Reefe, Shobita Satyapal, Remington O. Sexton, Sara M. Doan, Nathan J. Secrest and Jenna M. Cann The Astrophysical Journal 936(2) 140 (2022) https://doi.org/10.3847/1538-4357/ac8981
Reconstructing AGN X-ray spectral parameter distributions with Bayesian methods
Correlated variability of the reflection fraction with the X-ray flux and spectral index for Mrk 478
Samuzal Barua, V Jithesh, Ranjeev Misra, Biman J Medhi and Oluwashina Adegoke Monthly Notices of the Royal Astronomical Society 517(1) 801 (2022) https://doi.org/10.1093/mnras/stac2690
Reconstructing AGN X-ray spectral parameter distributions with Bayesian methods
Long-term X-ray observations of seyfert 1 galaxy ark 120: on the origin of soft-excess
Prantik Nandi, Arka Chatterjee, Sandip K Chakrabarti and Broja G Dutta Monthly Notices of the Royal Astronomical Society 506(3) 3111 (2021) https://doi.org/10.1093/mnras/stab1699
The 450 Day X-Ray Monitoring of the Changing-look AGN 1ES 1927+654
C. Ricci, M. Loewenstein, E. Kara, R. Remillard, B. Trakhtenbrot, I. Arcavi, K. C. Gendreau, Z. Arzoumanian, A. C. Fabian, R. Li, L. C. Ho, C. L. MacLeod, E. Cackett, D. Altamirano, P. Gandhi, P. Kosec, D. Pasham, J. Steiner and C.-H. Chan The Astrophysical Journal Supplement Series 255(1) 7 (2021) https://doi.org/10.3847/1538-4365/abe94b
Gamma-ray and Neutrino Signals from Accretion Disk Coronae of Active Galactic Nuclei
Correlation between relativistic reflection fraction and photon index in NuSTAR sample of Seyfert 1 AGN
Savithri H Ezhikode, Gulab C Dewangan, Ranjeev Misra and Ninan Sajeeth Philip Monthly Notices of the Royal Astronomical Society 495(3) 3373 (2020) https://doi.org/10.1093/mnras/staa1288
The first broad-band X-ray view of the narrow-line Seyfert 1 Ton S180
The AGN contribution to the UV–FIR luminosities of interacting galaxies and its role in identifying the main sequence
Andrés F Ramos Padilla, M L N Ashby, Howard A Smith, Juan R Martínez-Galarza, Aliza G Beverage, Jamie Dietrich, Mario-A Higuera-G. and Aaron S Weiner Monthly Notices of the Royal Astronomical Society 499(3) 4325 (2020) https://doi.org/10.1093/mnras/staa2813
Piercing through Highly Obscured and Compton-thick AGNs in the Chandra Deep Fields. I. X-Ray Spectral and Long-term Variability Analyses
Junyao Li, Yongquan Xue, Mouyuan Sun, Teng Liu, Fabio Vito, William N. Brandt, Thomas M. Hughes, Guang Yang, Paolo Tozzi, Shifu Zhu, Xuechen Zheng, Bin Luo, Chien-Ting Chen, Cristian Vignali, Roberto Gilli and Xinwen Shu The Astrophysical Journal 877(1) 5 (2019) https://doi.org/10.3847/1538-4357/ab184b
X-ray reverberation lags of the Fe–K line due to AGN disc winds
Misaki Mizumoto, Ken Ebisawa, Masahiro Tsujimoto, et al. Monthly Notices of the Royal Astronomical Society 482(4) 5316 (2019) https://doi.org/10.1093/mnras/sty3056
Testing the disk-corona interplay in radiatively-efficient broad-line AGN
Implications of the Warm Corona and Relativistic Reflection Models for the Soft Excess in Mrk 509
Javier A. García, Erin Kara, Dominic Walton, Tobias Beuchert, Thomas Dauser, Efrain Gatuzz, Mislav Balokovic, James F. Steiner, Francesco Tombesi, Riley M. T. Connors, Timothy R. Kallman, Fiona A. Harrison, Andrew Fabian, Jörn Wilms, Daniel Stern, Lauranne Lanz, Claudio Ricci and David R. Ballantyne The Astrophysical Journal 871(1) 88 (2019) https://doi.org/10.3847/1538-4357/aaf739
X-Ray Spectral Properties of Seyfert I Galaxy LEDA 168563
Andrew C. Liebmann, Andrew C. Fabian, Sachiko Tsuruta, Yoshito Haba and Hideyo Kunieda The Astrophysical Journal 868(1) 11 (2018) https://doi.org/10.3847/1538-4357/aae309
Exploring the physics of the accretion and jet in nearby narrow-line Seyfert 1 galaxies
Su Yao, Erlin Qiao, Xue-Bing Wu and B You Monthly Notices of the Royal Astronomical Society 477(1) 1356 (2018) https://doi.org/10.1093/mnras/sty788
Variable blurred reflection in the narrow-line Seyfert 1 galaxy Mrk 493
K Bonson, L C Gallo, D R Wilkins and A C Fabian Monthly Notices of the Royal Astronomical Society 477(3) 3247 (2018) https://doi.org/10.1093/mnras/sty828
An X-ray view of central engines of low-luminosity quasars (LLQSO) in the local Universe
Sibasish Laha, Ritesh Ghosh, Matteo Guainazzi and Alex G Markowitz Monthly Notices of the Royal Astronomical Society 480(2) 1522 (2018) https://doi.org/10.1093/mnras/sty1919
The Hunt for Intermediate-mass Black Holes in the JWST Era
Jenna M. Cann, Shobita Satyapal, Nicholas P. Abel, Claudio Ricci, Nathan J. Secrest, Laura Blecha and Mario Gliozzi The Astrophysical Journal 861(2) 142 (2018) https://doi.org/10.3847/1538-4357/aac64a
A physical model of the broad-band continuum of AGN and its implications for the UV/X relation and optical variability
BAT AGN Spectroscopic Survey. V. X-Ray Properties of the Swift/BAT 70-month AGN Catalog
C. Ricci, B. Trakhtenbrot, M. J. Koss, Y. Ueda, I. Del Vecchio, E. Treister, K. Schawinski, S. Paltani, K. Oh, I. Lamperti, S. Berney, P. Gandhi, K. Ichikawa, F. E. Bauer, L. C. Ho, D. Asmus, V. Beckmann, S. Soldi, M. Baloković, N. Gehrels and C. B. Markwardt The Astrophysical Journal Supplement Series 233(2) 17 (2017) https://doi.org/10.3847/1538-4365/aa96ad
A Comparison of Two Methods for Estimating Black Hole Spin in Active Galactic Nuclei
SOFT X-RAY EXCESS FROM SHOCKED ACCRETING PLASMA IN ACTIVE GALACTIC NUCLEI
Keigo Fukumura, Douglas Hendry, Peter Clark, Francesco Tombesi and Masaaki Takahashi The Astrophysical Journal 827(1) 31 (2016) https://doi.org/10.3847/0004-637X/827/1/31
The warm absorber in the radio-loud quasar 4C +74.26