Quasars as standard candles - I. The physical relation between disc and coronal emission
A&A, 602 (2017) A79
Published online: 2017-06-19
Articles citing this article
The Citing articles tool gives a list of articles citing the current article.
The citing articles come from EDP Sciences database, as well as other publishers participating in CrossRef Cited-by Linking Program. You can set up your personal account to receive an email alert each time this article is cited by a new article (see the menu on the right-hand side of the abstract page).
Cited article:
This article has been cited by the following article(s):
On the Extremely X-Ray Variable Active Galactic Nuclei in the XMM-LSS Field
Zijian Zhang, Bin Luo, Linhua Jiang, W. N. Brandt, Jian Huang and Qingling NiThe Astrophysical Journal 983 (1) 36 (2025)
https://doi.org/10.3847/1538-4357/adbb6b
Redshift Evolution of the X-Ray and Ultraviolet Luminosity Relation of Quasars: Calibrated Results from SNe Ia
Xiaolei Li, Ryan E. Keeley and Arman ShafielooThe Astrophysical Journal 983 (2) 141 (2025)
https://doi.org/10.3847/1538-4357/adc2fe
X-ray properties of coronal emission in radio quiet active galactic nuclei
Sibasish Laha, Claudio Ricci, John C. Mather, Ehud Behar, Luigi Gallo, Frederic Marin, Rostom Mbarek and Amelia HanklaFrontiers in Astronomy and Space Sciences 11 (2025)
https://doi.org/10.3389/fspas.2024.1530392
Do high redshift QSOs and GRBs corroborate JWST?
Eoin Ó Colgáin, M.M. Sheikh-Jabbari and Lu YinPhysics of the Dark Universe 49 101975 (2025)
https://doi.org/10.1016/j.dark.2025.101975
Testing redshift variation in the X-ray and ultraviolet luminosity relations of quasars*
Jiayi 嘉怡 Wu 吴, Yang 洋 Liu 刘, Hongwei 洪伟 Yu 余 and Puxun 普训 Wu 吴Chinese Physics C 49 (7) 075101 (2025)
https://doi.org/10.1088/1674-1137/adcc8d
High-redshift cosmology by Gamma-Ray Bursts: An overview
Giada Bargiacchi, Maria Giovanna Dainotti and Salvatore CapozzielloNew Astronomy Reviews 100 101712 (2025)
https://doi.org/10.1016/j.newar.2024.101712
Are quasars reliable standard candles?
E. Lusso, G. Risaliti and E. NardiniAstronomy & Astrophysics 697 A108 (2025)
https://doi.org/10.1051/0004-6361/202453504
Photometric Selection of Type 1 Quasars in the XMM-LSS Field with Machine Learning and the Disk–Corona Connection
Jian Huang, Bin Luo, W. N. Brandt, Ying Chen, Qingling Ni, Yongquan Xue and Zijian ZhangThe Astrophysical Journal 979 (2) 107 (2025)
https://doi.org/10.3847/1538-4357/ad9baf
A new binning method to choose a standard set of Quasars
M.G. Dainotti, A.Ł. Lenart, M. Ghodsi Yengejeh, S. Chakraborty, N. Fraija, E. Di Valentino and G. MontaniPhysics of the Dark Universe 44 101428 (2024)
https://doi.org/10.1016/j.dark.2024.101428
Probing New physics with high-redshift quasars: axions and non-standard cosmology
Chen Sun, Manuel A. Buen-Abad and JiJi FanJournal of Cosmology and Astroparticle Physics 2024 (06) 037 (2024)
https://doi.org/10.1088/1475-7516/2024/06/037
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 SalvatoMonthly Notices of the Royal Astronomical Society 534 (3) 2803 (2024)
https://doi.org/10.1093/mnras/stae2272
Testing the cosmological principle with the Pantheon+ sample and the region-fitting method
J. P. Hu, Y. Y. Wang, J. Hu and F. Y. WangAstronomy & Astrophysics 681 A88 (2024)
https://doi.org/10.1051/0004-6361/202347121
Quasars as standard candles
Matilde Signorini, Guido Risaliti, Elisabeta Lusso, Emanuele Nardini, Giada Bargiacchi, Andrea Sacchi and Bartolomeo TrefoloniAstronomy & Astrophysics 687 A32 (2024)
https://doi.org/10.1051/0004-6361/202348941
Constraints on cosmological models from quasars calibrated with type Ia supernova by a Gaussian process
Haixiang Zhang, Yang Liu, Hongwei Yu, Xiaodong Nong, Nan Liang and Puxun WuMonthly Notices of the Royal Astronomical Society 530 (4) 4493 (2024)
https://doi.org/10.1093/mnras/stae1120
The Interplay between the Disk and Corona of the Changing-look Active Galactic Nucleus 1ES 1927+654
Ruancun Li, Claudio Ricci, Luis C. Ho, Benny Trakhtenbrot, Erin Kara, Megan Masterson and Iair ArcaviThe Astrophysical Journal 975 (1) 140 (2024)
https://doi.org/10.3847/1538-4357/ad7aed
BASS
Kriti K. Gupta, Claudio Ricci, Matthew J. Temple, Alessia Tortosa, Michael J. Koss, Roberto J. Assef, Franz E. Bauer, Richard Mushotzy, Federica Ricci, Yoshihiro Ueda, Alejandra F. Rojas, Benny Trakhtenbrot, Chin-Shin Chang, Kyuseok Oh, Ruancun Li, Taiki Kawamuro, Yaherlyn Diaz, Meredith C. Powell, Daniel Stern, C. Megan Urry, Fiona Harrison and Brad CenkoAstronomy & Astrophysics 691 A203 (2024)
https://doi.org/10.1051/0004-6361/202450567
A Model-independent Method to Determine H 0 Using Time-delay Lensing, Quasars, and Type Ia Supernovae
Xiaolei Li, Ryan E. Keeley, Arman Shafieloo and Kai LiaoThe Astrophysical Journal 960 (2) 103 (2024)
https://doi.org/10.3847/1538-4357/ad0f19
Quasars as standard candles
Bartolomeo Trefoloni, Elisabeta Lusso, Emanuele Nardini, Guido Risaliti, Alessandro Marconi, Giada Bargiacchi, Andrea Sacchi, Paola Pietrini and Matilde SignoriniAstronomy & Astrophysics 689 A109 (2024)
https://doi.org/10.1051/0004-6361/202348938
Do All the Quasars and High-excitation Radio Galaxies (HERGs) in the 3CRR Catalog Contain a Magnetically Arrested Disk (MAD)?
Shuang-Liang Li, Wenwen Zuo and Xinwu CaoThe Astrophysical Journal 972 (1) 34 (2024)
https://doi.org/10.3847/1538-4357/ad6a5b
An X-Ray Significantly Variable, Luminous, Type 2 Quasar at z = 2.99 with a Massive Host Galaxy
Xiurui Zhao, Stefano Marchesi, Marco Ajello, Francesca Civano, Roberto Gilli, Giorgio Lanzuisi, Iván E. López, Peter G. Boorman, Ross Silver, Nuria Torres-Albà and Andrealuna PizzettiThe Astrophysical Journal 975 (1) 24 (2024)
https://doi.org/10.3847/1538-4357/ad77d1
AGNFITTER-RX: Modeling the radio-to-X-ray spectral energy distributions of AGNs
L. N. Martínez-Ramírez, G. Calistro Rivera, E. Lusso, F. E. Bauer, E. Nardini, J. Buchner, M. J. I. Brown, J. C. B. Pineda, M. J. Temple, M. Banerji, M. Stalevski and J. F. HennawiAstronomy & Astrophysics 688 A46 (2024)
https://doi.org/10.1051/0004-6361/202449329
The Scavenger Hunt for Quasar Samples to Be Used as Cosmological Tools
Maria Giovanna Dainotti, Giada Bargiacchi, Aleksander Łukasz Lenart and Salvatore CapozzielloGalaxies 12 (1) 4 (2024)
https://doi.org/10.3390/galaxies12010004
The intrinsic X-ray luminosity distribution of an optically selected SDSS quasar population
Amy L Rankine, James Aird, Angel Ruiz and Antonis GeorgakakisMonthly Notices of the Royal Astronomical Society 527 (3) 9004 (2023)
https://doi.org/10.1093/mnras/stad3686
XMM-Newton Observations of Two Archival X-Ray Weak Type 1 Quasars: Obscuration Induced X-Ray Weakness and Variability
Zijian Zhang, Bin Luo, W. N. Brandt, Pu Du, Chen Hu, Jian Huang, Xingting Pu, Jian-Min Wang and Weimin YiThe Astrophysical Journal 954 (2) 159 (2023)
https://doi.org/10.3847/1538-4357/ace7c2
Black Hole Accretion with Saturated Magnetic Pressure and Disk Wind
Jiahui Huang, Hua Feng, Wei-Min Gu and Wen-Biao WuThe Astrophysical Journal 954 (2) 150 (2023)
https://doi.org/10.3847/1538-4357/ace71e
Revisiting the Properties of X-Ray Active Galactic Nuclei in the SSA22 Protocluster: Normal Supermassive Black Hole and Host-galaxy Growth for AGNs in a z = 3.09 Overdensity
Erik B. Monson, Keith Doore, Rafael T. Eufrasio, Bret D. Lehmer, David M. Alexander, Chris M. Harrison, Mariko Kubo, Cristian Saez and Hideki UmehataThe Astrophysical Journal 951 (1) 15 (2023)
https://doi.org/10.3847/1538-4357/acd449
The MUSE Ultra Deep Field (MUDF). IV. A pair of X-ray weak quasars at the heart of two extended Lyα nebulae
Elisabeta Lusso, Emanuele Nardini, Michele Fumagalli, Matteo Fossati, Fabrizio Arrigoni Battaia, Mitchell Revalski, Marc Rafelski, Valentina D’Odorico, Celine Peroux, Stefano Cristiani, Pratika Dayal, Francesco Haardt and Emma K LofthouseMonthly Notices of the Royal Astronomical Society 525 (3) 4388 (2023)
https://doi.org/10.1093/mnras/stad2564
The Accretion History of AGN: The Spectral Energy Distributions of X-Ray-luminous Active Galactic Nuclei
Connor Auge, David Sanders, Ezequiel Treister, C. Megan Urry, Allison Kirkpatrick, Nico Cappelluti, Tonima Tasnim Ananna, Médéric Boquien, Mislav Baloković, Francesca Civano, Brandon Coleman, Aritra Ghosh, Jeyhan Kartaltepe, Michael Koss, Stephanie LaMassa, Stefano Marchesi, Alessandro, Peca, Meredith Powell, Benny Trakhtenbrot and Tracey Jane TurnerThe Astrophysical Journal 957 (1) 19 (2023)
https://doi.org/10.3847/1538-4357/acf21a
Spectral Variability Studies in Active Galactic Nuclei: Exploring Continuum and Emission Line Regions in the Age of LSST and JWST
Swayamtrupta Panda, Paola Marziani, Bożena Czerny, Alberto Rodríguez-Ardila and Francisco Pozo NuñezUniverse 9 (12) 492 (2023)
https://doi.org/10.3390/universe9120492
The jet emitting disk‐standard accretion disk model applied to the active galactic nuclei ultra violet–X‐ray correlation
S. Barnier, P.‐O. Petrucci, J. Ferreira and G. MarcelAstronomische Nachrichten 344 (4) (2023)
https://doi.org/10.1002/asna.20230020
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
Quasars as standard candles
Matilde Signorini, Guido Risaliti, Elisabeta Lusso, Emanuele Nardini, Giada Bargiacchi, Andrea Sacchi and Bartolomeo TrefoloniAstronomy & Astrophysics 676 A143 (2023)
https://doi.org/10.1051/0004-6361/202346104
Cosmological constraints in covariant f(Q) gravity with different connections
Jiaming ShiThe European Physical Journal C 83 (10) (2023)
https://doi.org/10.1140/epjc/s10052-023-12139-w
Tracking the spectral properties of ESO 511-G030 across different epochs
R. Middei, P.-O. Petrucci, S. Bianchi, et al.Astronomy & Astrophysics 672 A101 (2023)
https://doi.org/10.1051/0004-6361/202244022
Wavelength dependences of the optical/UV and X-ray luminosity correlations of quasars
Chichuan Jin, Elisabeta Lusso, Martin Ward, Chris Done and Riccardo MiddeiMonthly Notices of the Royal Astronomical Society 527 (1) 356 (2023)
https://doi.org/10.1093/mnras/stad3193
A Bias-free Cosmological Analysis with Quasars Alleviating H 0 Tension
Aleksander Łukasz Lenart, Giada Bargiacchi, Maria Giovanna Dainotti, Shigehiro Nagataki and Salvatore CapozzielloThe Astrophysical Journal Supplement Series 264 (2) 46 (2023)
https://doi.org/10.3847/1538-4365/aca404
The SOUX AGN sample: SDSS–XMM-Newton optical, ultraviolet, and X-ray selected active galactic nuclei spanning a wide range of parameter space – sample definition
Daniel Kynoch, Jake A J Mitchell, Martin J Ward, Chris Done, Elisabeta Lusso and Hermine LandtMonthly Notices of the Royal Astronomical Society 520 (2) 2781 (2023)
https://doi.org/10.1093/mnras/stad221
Hubble Tension: The Evidence of New Physics
Jian-Ping Hu and Fa-Yin WangUniverse 9 (2) 94 (2023)
https://doi.org/10.3390/universe9020094
Lightning: An X-Ray to Submillimeter Galaxy SED-fitting Code with Physically Motivated Stellar, Dust, and AGN Models
Keith Doore, Erik B. Monson, Rafael T. Eufrasio, Bret D. Lehmer, Kristen Garofali and Antara Basu-ZychThe Astrophysical Journal Supplement Series 266 (2) 39 (2023)
https://doi.org/10.3847/1538-4365/accc29
X-ray properties of high-redshift Radio Loud and Radio Quiet Quasars observed by Chandra
F. Shaban, A. Siemiginowska, R.M. Suleiman, M.S. El-Nawawy and A. AliJournal of High Energy Astrophysics 36 152 (2022)
https://doi.org/10.1016/j.jheap.2022.10.002
Multiple Measurements of Gravitational Waves Acting as Standard Probes: Model-independent Constraints on the Cosmic Curvature with DECIGO
Yilong Zhang, Shuo Cao, Xiaolin Liu, Tonghua Liu, Yuting Liu and Chenfa ZhengThe Astrophysical Journal 931 (2) 119 (2022)
https://doi.org/10.3847/1538-4357/ac641e
Redshift evolution and non-universal dispersion of quasar luminosity correlation
Zhuoyang Li, Lu Huang and Junchao WangMonthly Notices of the Royal Astronomical Society 517 (2) 1901 (2022)
https://doi.org/10.1093/mnras/stac2735
NuSTAR Observations of Intrinsically X-Ray Weak Quasar Candidates: An Obscuration-only Scenario
Chaojun Wang, B. Luo, W. N. Brandt, D. M. Alexander, F. E. Bauer, S. C. Gallagher, Jian Huang, Hezhen Liu and D. SternThe Astrophysical Journal 936 (2) 95 (2022)
https://doi.org/10.3847/1538-4357/ac886e
Association of optical, ultraviolet, and soft X-ray excess emissions in AGNs
D Nour and K SriramMonthly Notices of the Royal Astronomical Society 518 (4) 5705 (2022)
https://doi.org/10.1093/mnras/stac3505
Accretion history of AGN: Estimating the host galaxy properties in X-ray luminous AGN from z = 0–3
Brandon Coleman, Allison Kirkpatrick, Kevin C Cooke, Eilat Glikman, Stephanie La Massa, Stefano Marchesi, Alessandro Peca, Ezequiel Treister, Connor Auge, C Megan Urry, Dave Sanders, Tracey Jane Turner and Tonima Tasnim AnannaMonthly Notices of the Royal Astronomical Society 515 (1) 82 (2022)
https://doi.org/10.1093/mnras/stac1679
Deep XMM-Newton Observations of an X-ray Weak Broad Absorption Line Quasar at z = 6.5
Jinyi Yang, Xiaohui Fan, Feige Wang, Giorgio Lanzuisi, Riccardo Nanni, Massimo Cappi, George Chartas, Mauro Dadina, Roberto Decarli, Xiangyu Jin, Charles R. Keeton, Bram P. Venemans, Fabian Walter, Ran Wang, Xue-Bing Wu, Minghao Yue and Ann ZabludoffThe Astrophysical Journal Letters 924 (2) L25 (2022)
https://doi.org/10.3847/2041-8213/ac45f2
An X-ray fading, UV brightening QSO at z ≈ 6
F. Vito, M. Mignoli, R. Gilli, et al.Astronomy & Astrophysics 663 A159 (2022)
https://doi.org/10.1051/0004-6361/202243403
Breaking the rules at z ≃ 0.45: The rebel case of RBS 1055
A. Marinucci, G. Vietri, E. Piconcelli, et al.Astronomy & Astrophysics 666 A169 (2022)
https://doi.org/10.1051/0004-6361/202244272
f(T) cosmology against the cosmographic method: A new study using mock and observational data
M Sabiee, M Malekjani and D Mohammad Zadeh JassurMonthly Notices of the Royal Astronomical Society 516 (2) 2597 (2022)
https://doi.org/10.1093/mnras/stac2367
A Reliable Calibration of H ii Galaxies Hubble Diagram with Cosmic Chronometers and Artificial Neural Network
Jian-Chen 建臣 Zhang 张, Kang 康 Jiao 焦, Tingting Zhang, Tong-Jie 杰 Zhang 张同 and Bo 波 Yu 于The Astrophysical Journal 936 (1) 21 (2022)
https://doi.org/10.3847/1538-4357/ac85aa
The lively accretion disc in NGC 2992 – II. The 2019/2021 X-ray monitoring campaigns
R Middei, A Marinucci, V Braito, et al.Monthly Notices of the Royal Astronomical Society 514 (2) 2974 (2022)
https://doi.org/10.1093/mnras/stac1381
The σHβ -based Dimensionless Accretion Rate and Its Connection with the Corona for AGNs
Yu-Qin 玉琴 Chen 陈, Yan-Sheng 延盛 Liu 刘 and Wei-Hao 维豪 Bian 卞The Astrophysical Journal 940 (1) 50 (2022)
https://doi.org/10.3847/1538-4357/ac947e
Redshift-evolutionary X-Ray and UV Luminosity Relation of Quasars from Gaussian Copula
Bao Wang, Yang Liu, Zunli Yuan, Nan Liang, Hongwei Yu and Puxun WuThe Astrophysical Journal 940 (2) 174 (2022)
https://doi.org/10.3847/1538-4357/ac9df8
Constraining X-ray emission of a magnetically arrested disk by radio-loud AGNs with an extreme-ultraviolet deficit
Shuang-Liang Li, Minhua Zhou and Minfeng GuAstronomy & Astrophysics 663 L4 (2022)
https://doi.org/10.1051/0004-6361/202244105
Quasar Standardization: Overcoming Selection Biases and Redshift Evolution
Maria Giovanna Dainotti, Giada Bargiacchi, Aleksander Łukasz Lenart, Salvatore Capozziello, Eoin Ó Colgáin, Rance Solomon, Dejan Stojkovic and M. M. Sheikh-JabbariThe Astrophysical Journal 931 (2) 106 (2022)
https://doi.org/10.3847/1538-4357/ac6593
Variability in quasar light curves: using quasars as standard candles
R. Solomon and D. StojkovicJournal of Cosmology and Astroparticle Physics 2022 (04) 060 (2022)
https://doi.org/10.1088/1475-7516/2022/04/060
Unveiling the Universe with emerging cosmological probes
Michele Moresco, Lorenzo Amati, Luca Amendola, et al.Living Reviews in Relativity 25 (1) (2022)
https://doi.org/10.1007/s41114-022-00040-z
Can high-redshift Hubble diagrams rule out the standard model of cosmology in the context of cosmography?
S. Pourojaghi, N. F. Zabihi and M. MalekjaniPhysical Review D 106 (12) (2022)
https://doi.org/10.1103/PhysRevD.106.123523
AGNet: weighing black holes with deep learning
Joshua Yao-Yu Lin, Sneh Pandya, Devanshi Pratap, Xin Liu, Matias Carrasco Kind and Volodymyr KindratenkoMonthly Notices of the Royal Astronomical Society 518 (4) 4921 (2022)
https://doi.org/10.1093/mnras/stac3339
Prospects of high redshift constraints on dark energy models with the Ep, i − Eiso correlation in long gamma ray bursts
M Demianski, E Piedipalumbo, D Sawant and L AmatiMonthly Notices of the Royal Astronomical Society 506 (1) 903 (2021)
https://doi.org/10.1093/mnras/stab1669
The origin of X-ray emission in 3CRR sources: Hints from mid-infrared Spitzer observations
Shuang-Liang Li and Minfeng GuAstronomy & Astrophysics 654 A141 (2021)
https://doi.org/10.1051/0004-6361/202141301
What controls the UV-to-X-ray continuum shape in quasars?
John D Timlin III, W N Brandt and Ari LaorMonthly Notices of the Royal Astronomical Society 504 (4) 5556 (2021)
https://doi.org/10.1093/mnras/stab1217
Magnetohydrodynamic Winds Driven by the Line Force from the Standard Thin Disk around Supermassive Black Holes. I. The Case of Weak Magnetic Field
Xiao-Hong Yang, Kamarjan Ablimit and Qi-Xiu LiThe Astrophysical Journal 914 (1) 31 (2021)
https://doi.org/10.3847/1538-4357/abf8b5
A Chandra survey of z ≥ 4.5 quasars
Jiang-Tao Li, Feige Wang, Jinyi Yang, et al.Monthly Notices of the Royal Astronomical Society 504 (2) 2767 (2021)
https://doi.org/10.1093/mnras/stab1042
A novel black hole mass scaling relation based on coronal gas, and its dependence with the accretion disc
Almudena Prieto, Alberto Rodríguez-Ardila, Swayamtrupta Panda and Murilo MarinelloMonthly Notices of the Royal Astronomical Society 510 (1) 1010 (2021)
https://doi.org/10.1093/mnras/stab3414
The most luminous blue quasars at 3.0 < z < 3.3
E. Lusso, E. Nardini, S. Bisogni, et al.Astronomy & Astrophysics 653 A158 (2021)
https://doi.org/10.1051/0004-6361/202141356
On the Observational Difference between the Accretion Disk–Corona Connections among Super- and Sub-Eddington Accreting Active Galactic Nuclei
Hezhen Liu, B. Luo, W. N. Brandt, Michael S. Brotherton, S. C. Gallagher, Q. Ni, Ohad Shemmer and J. D. TimlinThe Astrophysical Journal 910 (2) 103 (2021)
https://doi.org/10.3847/1538-4357/abe37f
Multi-scale Radio and X-Ray Structure of the High-redshift Quasar PMN J0909+0354
Krisztina Perger, Sándor Frey, Daniel A. Schwartz, Krisztina É. Gabányi, Leonid I. Gurvits and Zsolt ParagiThe Astrophysical Journal 915 (2) 98 (2021)
https://doi.org/10.3847/1538-4357/ac0144
The disk–torus system in active galactic nuclei: possible evidence of highly spinning black holes
Samuele Campitiello, Annalisa Celotti, Gabriele Ghisellini and Tullia SbarratoAstronomy & Astrophysics 656 A96 (2021)
https://doi.org/10.1051/0004-6361/202141602
The Chandra view of the relation between X-ray and UV emission in quasars
S. Bisogni, E. Lusso, F. Civano, et al.Astronomy & Astrophysics 655 A109 (2021)
https://doi.org/10.1051/0004-6361/202140852
Long-term and multiwavelength evolution of a changing-look AGN Mrk 1018
Bing Lyu, Zhen Yan, Wenfei Yu and Qingwen WuMonthly Notices of the Royal Astronomical Society 506 (3) 4188 (2021)
https://doi.org/10.1093/mnras/stab1581
Hubble diagram at higher redshifts: model independent calibration of quasars
Xiaolei Li, Ryan E Keeley, Arman Shafieloo, et al.Monthly Notices of the Royal Astronomical Society 507 (1) 919 (2021)
https://doi.org/10.1093/mnras/stab2154
Quasars as standard candles
E. Lusso, G. Risaliti, E. Nardini, et al.Astronomy & Astrophysics 642 A150 (2020)
https://doi.org/10.1051/0004-6361/202038899
Near-infrared and Optical Continuum Emission Region Size Measurements in the Gravitationally lensed Quasars Q0957+561 and SBS0909+532
Matthew A. Cornachione, Christopher W. Morgan, Hayden R. Burger, Vyacheslav N. Shalyapin, Luis J. Goicoechea, Frederick J. Vrba, Scott E. Dahm and Trudy M. TillemanThe Astrophysical Journal 905 (1) 7 (2020)
https://doi.org/10.3847/1538-4357/abc25d
Do stellar-mass and super-massive black holes have similar dining habits?
R. Arcodia, G. Ponti, A. Merloni and K. NandraAstronomy & Astrophysics 638 A100 (2020)
https://doi.org/10.1051/0004-6361/202037969
The failure of testing for cosmic opacity via the distance-duality relation
Václav Vavryčuk and Pavel KroupaMonthly Notices of the Royal Astronomical Society 497 (1) 378 (2020)
https://doi.org/10.1093/mnras/staa1936
Estimating black hole masses: Accretion disk fitting versus reverberation mapping and single epoch
Samuele Campitiello, Annalisa Celotti, Gabriele Ghisellini and Tullia SbarratoAstronomy & Astrophysics 640 A39 (2020)
https://doi.org/10.1051/0004-6361/201936218
Model-independent Distance Calibration and Curvature Measurement Using Quasars and Cosmic Chronometers
Jun-Jie Wei and Fulvio MeliaThe Astrophysical Journal 888 (2) 99 (2020)
https://doi.org/10.3847/1538-4357/ab5e7d
Testing cosmic anisotropy with Pantheon sample and quasars at high redshifts
J. P. Hu, Y. Y. Wang and F. Y. WangAstronomy & Astrophysics 643 A93 (2020)
https://doi.org/10.1051/0004-6361/202038541
Scatter Analysis along the Multidimensional Radius–Luminosity Relations for Reverberation-mapped Mg ii Sources
Mary Loli Martínez–Aldama, Michal Zajaček, Bożena Czerny and Swayamtrupta PandaThe Astrophysical Journal 903 (2) 86 (2020)
https://doi.org/10.3847/1538-4357/abb6f8
A Cosmography Approach to Dark Energy Cosmologies: New Constraints Using the Hubble Diagrams of Supernovae, Quasars, and Gamma-Ray Bursts
Mehdi Rezaei, Saeed Pour-Ojaghi and Mohammad MalekjaniThe Astrophysical Journal 900 (1) 70 (2020)
https://doi.org/10.3847/1538-4357/aba517
Universal bolometric corrections for active galactic nuclei over seven luminosity decades
F. Duras, A. Bongiorno, F. Ricci, et al.Astronomy & Astrophysics 636 A73 (2020)
https://doi.org/10.1051/0004-6361/201936817
Cosmology-independent Estimate of the Hubble Constant and Spatial Curvature using Time-delay Lenses and Quasars
Jun-Jie Wei and Fulvio MeliaThe Astrophysical Journal 897 (2) 127 (2020)
https://doi.org/10.3847/1538-4357/ab959b
Is the Hubble diagram of quasars in tension with concordance cosmology?
Hermano Velten and Syrios GomesPhysical Review D 101 (4) (2020)
https://doi.org/10.1103/PhysRevD.101.043502
x-cigale: fitting AGN/galaxy SEDs from X-ray to infrared
G Yang(杨光), M Boquien, V Buat, et al.Monthly Notices of the Royal Astronomical Society 491 (1) 740 (2020)
https://doi.org/10.1093/mnras/stz3001
The final SDSS-IV/SPIDERS X-ray point source spectroscopic catalogue
J. Comparat, A. Merloni, T. Dwelly, et al.Astronomy & Astrophysics 636 A97 (2020)
https://doi.org/10.1051/0004-6361/201937272
Cosmology With Quasars: Predictions for eROSITA From a Quasar Hubble Diagram
Elisabeta LussoFrontiers in Astronomy and Space Sciences 7 (2020)
https://doi.org/10.3389/fspas.2020.00008
Chandra reveals a luminous Compton-thick QSO powering a Lyα blob in a z = 4 starbursting protocluster
F. Vito, W. N. Brandt, B. D. Lehmer, et al.Astronomy & Astrophysics 642 A149 (2020)
https://doi.org/10.1051/0004-6361/202038848
Estimating the size of X-ray lamppost coronae in active galactic nuclei
F. Ursini, M. Dovčiak, W. Zhang, et al.Astronomy & Astrophysics 644 A132 (2020)
https://doi.org/10.1051/0004-6361/202039158
The correlations between optical/UV broad lines and X-ray emission for a large sample of quasars
John D Timlin, W N Brandt, Q Ni, et al.Monthly Notices of the Royal Astronomical Society 492 (1) 719 (2020)
https://doi.org/10.1093/mnras/stz3433
Quasar X-ray and UV flux, baryon acoustic oscillation, and Hubble parameter measurement constraints on cosmological model parameters
Narayan Khadka and Bharat RatraMonthly Notices of the Royal Astronomical Society 492 (3) 4456 (2020)
https://doi.org/10.1093/mnras/staa101
Characterizing Quasar C iv Emission-line Measurements from Time-resolved Spectroscopy
Angelica B. Rivera, Gordon T. Richards, Paul C. Hewett and Amy L. RankineThe Astrophysical Journal 899 (2) 96 (2020)
https://doi.org/10.3847/1538-4357/aba62c
Model-independent Constraints on Cosmic Curvature: Implication from Updated Hubble Diagram of High-redshift Standard Candles
Yuting Liu, Shuo Cao, Tonghua Liu, Xiaolei Li, Shuaibo Geng, Yujie Lian and Wuzheng GuoThe Astrophysical Journal 901 (2) 129 (2020)
https://doi.org/10.3847/1538-4357/abb0e4
The first broad-band X-ray view of the narrow-line Seyfert 1 Ton S180
G A Matzeu, E Nardini, M L Parker, et al.Monthly Notices of the Royal Astronomical Society 497 (2) 2352 (2020)
https://doi.org/10.1093/mnras/staa2076
Testing the disk-corona interplay in radiatively-efficient broad-line AGN
R. Arcodia, A. Merloni, K. Nandra and G. PontiAstronomy & Astrophysics 628 A135 (2019)
https://doi.org/10.1051/0004-6361/201935874
The nonlinear X‐ray/ultraviolet relation in active galactic nuclei: Contribution of instrumental effects on the X‐ray variability
E. LussoAstronomische Nachrichten 340 (4) 267 (2019)
https://doi.org/10.1002/asna.201913608
A nearby luminous AGN sample optically selected from Hubble Space Telescope
Shuang-Liang LiMonthly Notices of the Royal Astronomical Society 490 (3) 3793 (2019)
https://doi.org/10.1093/mnras/stz2864
Quasars as standard candles II
F. Salvestrini, G. Risaliti, S. Bisogni, E. Lusso and C. VignaliAstronomy & Astrophysics 631 A120 (2019)
https://doi.org/10.1051/0004-6361/201935491
The X-ray properties of z > 6 quasars: no evident evolution of accretion physics in the first Gyr of the Universe
F. Vito, W. N. Brandt, F. E. Bauer, et al.Astronomy & Astrophysics 630 A118 (2019)
https://doi.org/10.1051/0004-6361/201936217
Investigating the Covering Fraction Distribution of Swift/BAT AGNs with X-Ray and Infrared Observations
Lauranne Lanz, Ryan C. Hickox, Mislav Baloković, Taro Shimizu, Claudio Ricci, Andy D. Goulding, David R. Ballantyne, Franz E. Bauer, Chien-Ting J. Chen, Agnese del Moro, Duncan Farrah, Michael, J. Koss, Stephanie LaMassa, Alberto Masini and Luca ZappacostaThe Astrophysical Journal 870 (1) 26 (2019)
https://doi.org/10.3847/1538-4357/aaee6c