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Accretion Disk Size Measurements of Active Galactic Nuclei Monitored by the Zwicky Transient Facility

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The Relation between the Optical Fe ii Emission and the Dimensionless Accretion Rate for Active Galactic Nuclei

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Spectropolarimetric Measurements of Hidden Broad Lines in Nearby Megamaser Galaxies: A Lack of Clear Evidence for a Correlation between Black Hole Masses and Virial Products*

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Taming the derivative: Diagnostics of the continuum and Hβ emission in a prototypical Population B active galaxy

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The σHβ -based Dimensionless Accretion Rate and Its Connection with the Corona for AGNs

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Extreme Nature of Four Blue-excess Dust-obscured Galaxies Revealed by Optical Spectroscopy

Akatoki Noboriguchi, Tohru Nagao, Yoshiki Toba, Kohei Ichikawa, Masaru Kajisawa, Nanako Kato, Toshihiro Kawaguchi, Hideo Matsuhara, Yoshiki Matsuoka, Kyoko Onishi, Masafusa Onoue, Nozomu Tamada, Koki Terao, Yuichi Terashima, Yoshihiro Ueda and Takuji Yamashita
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Past, Present, and Future of the Scaling Relations of Galaxies and Active Galactic Nuclei

Mauro D’Onofrio, Paola Marziani and Cesare Chiosi
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Reverberation Mapping Measurements of Black Hole Masses and Broad-line Region Kinematics in Mrk 817 and NGC 7469

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The Astrophysical Journal 918 (2) 50 (2021)
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Testing Einstein’s Equivalence Principle and Its Cosmological Evolution from Quasar Gravitational Redshifts

E. Mediavilla and J. Jiménez-Vicente
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The Dust-to-gas Ratio and the Role of Radiation Pressure in Luminous, Obscured Quasars

Hyunsung D. Jun, Roberto J. Assef, Christopher M. Carroll, Ryan C. Hickox, Yonghwi Kim, Jaehyun Lee, Claudio Ricci and Daniel Stern
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The Cepheid Distance to the Narrow-line Seyfert 1 Galaxy NGC 4051

W. Yuan, L. M. Macri, B. M. Peterson, A. G. Riess, M. M. Fausnaugh, S. L. Hoffmann, G. S. Anand, M. C. Bentz, E. Dalla Bontà, R. I. Davies, G. De Rosa, L. Ferrarese, C. J. Grier, E. K. S. Hicks, C. A. Onken, R. W. Pogge, T. Storchi-Bergmann and M. Vestergaard
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The CaFe Project: Optical Fe II and Near-infrared Ca II Triplet Emission in Active Galaxies. II. The Driver(s) of the Ca II and Fe II and Its Potential Use as a Chemical Clock

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Black hole mass measurement using ALMA observations of [CI] and CO emissions in the Seyfert 1 galaxy NGC 7469

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Spectropolarimetry of low redshift quasars: origin of the polarization and implications for black hole mass estimates

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Detecting subparsec supermassive binary black holes: Long-term monitoring perspective

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Robotic Reverberation Mapping of the Southern Seyfert NGC 3783

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Light bending and X-ray echoes from behind a supermassive black hole

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Estimation of the size and structure of the broad line region using Bayesian approach

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AGN orientation through the spectroscopic correlations and model of dusty cone shell

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https://doi.org/10.1093/mnras/stab2926

Individual Estimates of the Virial Factor in 10 Quasars: Implications on the Kinematics of the Broad-line Region

E. Mediavilla, J. Jiménez-vicente, J. Mejía-restrepo, V. Motta, E. Falco, J. A. Muñoz, C. Fian and E. Guerras
The Astrophysical Journal 895 (2) 111 (2020)
https://doi.org/10.3847/1538-4357/ab8ae0

The Sloan Digital Sky Survey Reverberation Mapping Project: The Hβ Radius–Luminosity Relation

Gloria Fonseca Alvarez, Jonathan R. Trump, Y. Homayouni, C. J. Grier, Yue Shen, Keith Horne, Jennifer I-Hsiu Li, W. N. Brandt, Luis C. Ho, B. M. Peterson and D. P. Schneider
The Astrophysical Journal 899 (1) 73 (2020)
https://doi.org/10.3847/1538-4357/aba001

Black Hole Masses of Weak Emission Line Quasars Based on the Continuum Fit Method

Marcin Marculewicz and Marek Nikolajuk
The Astrophysical Journal 897 (2) 117 (2020)
https://doi.org/10.3847/1538-4357/ab9597

Characterizing Quasar C iv Emission-line Measurements from Time-resolved Spectroscopy

Angelica B. Rivera, Gordon T. Richards, Paul C. Hewett and Amy L. Rankine
The Astrophysical Journal 899 (2) 96 (2020)
https://doi.org/10.3847/1538-4357/aba62c

The Supermassive Black Hole Masses of Reverberation-mapped Active Galactic Nuclei

Li-Ming 明 Yu 喻历, Wei-Hao 豪 Bian 卞维, Xue-Guang 光 Zhang 张雪, Bi-Xuan 轩 Zhao 赵碧, Chan 婵 Wang 王, Xue 雪 Ge 葛, Bing-Qian 茜 Zhu 朱冰 and Yu-Qin 琴 Chen 陈玉
The Astrophysical Journal 901 (2) 133 (2020)
https://doi.org/10.3847/1538-4357/abb01e

Estimating black hole masses: Accretion disk fitting versus reverberation mapping and single epoch

Samuele Campitiello, Annalisa Celotti, Gabriele Ghisellini and Tullia Sbarrato
Astronomy & Astrophysics 640 A39 (2020)
https://doi.org/10.1051/0004-6361/201936218

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

An extended size–luminosity relation for the reverberation-mapped AGNs: the role of the accretion rate

Li-Ming Yu, Bi-Xuan Zhao, Wei-Hao Bian, Chan Wang and Xue Ge
Monthly Notices of the Royal Astronomical Society 491 (4) 5881 (2020)
https://doi.org/10.1093/mnras/stz3387

Time-delay Measurement of Mg ii Broad-line Response for the Highly Accreting Quasar HE 0413-4031: Implications for the Mg ii–based Radius–Luminosity Relation

Michal Zajaček, Bożena Czerny, Mary Loli Martinez–Aldama, Mateusz Rałowski, Aleksandra Olejak, Swayamtrupta Panda, Krzysztof Hryniewicz, Marzena Śniegowska, Mohammad-Hassan Naddaf, Wojtek Pych, Grzegorz Pietrzyński, C. Sobrino Figaredo, Martin Haas, Justyna Średzińska, Magdalena Krupa, Agnieszka Kurcz, Andrzej Udalski, Marek Gorski and Marek Sarna
The Astrophysical Journal 896 (2) 146 (2020)
https://doi.org/10.3847/1538-4357/ab94ae

Discovery of a Remarkably Powerful Broad Absorption-line Quasar Outflow in SDSS J135246.37+423923.5

Hyunseop Choi, Karen M. Leighly, Donald M. Terndrup, Sarah C. Gallagher and Gordon T. Richards
The Astrophysical Journal 891 (1) 53 (2020)
https://doi.org/10.3847/1538-4357/ab6f72

Mass outflow of the X-ray emission line gas in NGC 4151

S B Kraemer, T J Turner, J D Couto, et al.
Monthly Notices of the Royal Astronomical Society 493 (3) 3893 (2020)
https://doi.org/10.1093/mnras/staa428

Spectral Properties of Quasars from Sloan Digital Sky Survey Data Release 14: The Catalog

Suvendu Rakshit, C. S. Stalin and Jari Kotilainen
The Astrophysical Journal Supplement Series 249 (1) 17 (2020)
https://doi.org/10.3847/1538-4365/ab99c5

Extreme Quasars as Distance Indicators in Cosmology

Deborah Dultzin, Paola Marziani, J. A. de Diego, et al.
Frontiers in Astronomy and Space Sciences 6 (2020)
https://doi.org/10.3389/fspas.2019.00080

Scatter Analysis along the Multidimensional Radius–Luminosity Relations for Reverberation-mapped Mg ii Sources

Mary Loli Martínez–Aldama, Michal Zajaček, Bożena Czerny and Swayamtrupta Panda
The Astrophysical Journal 903 (2) 86 (2020)
https://doi.org/10.3847/1538-4357/abb6f8

The Sloan Digital Sky Survey Reverberation Mapping Project: Estimating Masses of Black Holes in Quasars with Single-epoch Spectroscopy

Elena Dalla Bontà, Bradley M. Peterson, Misty C. Bentz, W. N. Brandt, S. Ciroi, Gisella De Rosa, Gloria Fonseca Alvarez, Catherine J. Grier, P. B. Hall, Juan V. Hernández Santisteban, Luis C. Ho, Y. Homayouni, Keith Horne, C. S. Kochanek, Jennifer I-Hsiu Li, L. Morelli, A. Pizzella, R. W. Pogge, D. P. Schneider, Yue Shen, J. R. Trump and Marianne Vestergaard
The Astrophysical Journal 903 (2) 112 (2020)
https://doi.org/10.3847/1538-4357/abbc1c

Space Telescope and Optical Reverberation Mapping Project. XII. Broad-line Region Modeling of NGC 5548

P. R. Williams, A. Pancoast, T. Treu, B. J. Brewer, B. M. Peterson, A. J. Barth, M. A. Malkan, G. De Rosa, Keith Horne, G. A. Kriss, N. Arav, M. C. Bentz, E. M. Cackett, E. Dalla Bontà, M. Dehghanian, C. Done, G. J. Ferland, C. J. Grier, J. Kaastra, E. Kara, C. S. Kochanek, S. Mathur, M. Mehdipour, R. W. Pogge, D. Proga, et al.
The Astrophysical Journal 902 (1) 74 (2020)
https://doi.org/10.3847/1538-4357/abbad7