The Lick AGN Monitoring Project 2016: dynamical modeling of velocity-resolved Hβ lags in luminous Seyfert galaxies

Lizvette Villafaña; Peter R. Williams; Tommaso Treu; Brendon J. Brewer; Aaron J. Barth; Vivian U; Vardha N. Bennert; H. Alexander Vogler; Hengxiao Guo; Misty C. Bentz; Gabriela Canalizo; Alexei V. Filippenko; Elinor Gates; Frederick Hamann; Michael D. Joner; Matthew A. Malkan; Jong-Hak Woo; Bela Abolfathi; L. E. Abramson; Stephen F. Armen; Hyun-Jin Bae; Thomas Bohn; Benjamin D. Boizelle; K. Azalee Bostroem; Andrew Brandel; Thomas G. Brink; Sanyum Channa; M. C. Cooper; Maren Cosens; Edward Donohue; Sean P. Fillingham; Diego González-Buitrago; Goni Halevi; Andrew Halle; Carol E. Hood; Keith Horne; J. Chuck Horst; Maxime de Kouchkovsky; Benjamin Kuhn; Sahana Kumar; Douglas C. Leonard; Donald Loveland; Christina Manzano-King; Ian McHardy; Raúl Michel; Melanie Kae B. Olaes; Daeseong Park; Songyoun Park; Liuyi Pei; Timothy W. Ross; Jordan N. Runco; Javier Sánchez; Bryan Scott; Remington O. Sexton; Jaejin Shin; Isaac Shivvers; Chance L. Spencer; Benjamin E. Stahl; Samantha Stegman; Isak Stomberg; Stefano Valenti; Jonelle L. Walsh; Heechan Yuk; WeiKang Zheng

doi:10.3847/1538-4357/ac6171

The Lick AGN Monitoring Project 2016: dynamical modeling of velocity-resolved Hβ lags in luminous Seyfert galaxies

Lizvette Villafaña^*, Peter R. Williams, Tommaso Treu, Brendon J. Brewer, Aaron J. Barth, Vivian U, Vardha N. Bennert, H. Alexander Vogler, Hengxiao Guo, Misty C. Bentz, Gabriela Canalizo, Alexei V. Filippenko, Elinor Gates, Frederick Hamann, Michael D. Joner, Matthew A. Malkan, Jong-Hak Woo, Bela Abolfathi, L. E. Abramson, Stephen F. ArmenHyun-Jin Bae, Thomas Bohn, Benjamin D. Boizelle, K. Azalee Bostroem, Andrew Brandel, Thomas G. Brink, Sanyum Channa, M. C. Cooper, Maren Cosens, Edward Donohue, Sean P. Fillingham, Diego González-Buitrago, Goni Halevi, Andrew Halle, Carol E. Hood, Keith Horne, J. Chuck Horst, Maxime de Kouchkovsky, Benjamin Kuhn, Sahana Kumar, Douglas C. Leonard, Donald Loveland, Christina Manzano-King, Ian McHardy, Raúl Michel, Melanie Kae B. Olaes, Daeseong Park, Songyoun Park, Liuyi Pei, Timothy W. Ross, Jordan N. Runco, Javier Sánchez, Bryan Scott, Remington O. Sexton, Jaejin Shin, Isaac Shivvers, Chance L. Spencer, Benjamin E. Stahl, Samantha Stegman, Isak Stomberg, Stefano Valenti, Jonelle L. Walsh, Heechan Yuk, WeiKang Zheng

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

We have modeled the velocity-resolved reverberation response of the Hβ broad emission line in nine Seyfert 1 galaxies from the Lick Active Galactic Nucleus (AGN) Monitoring Project 2016 sample, drawing inferences on the geometry and structure of the low-ionization broad-line region (BLR) and the mass of the central supermassive black hole. Overall, we find that the Hβ BLR is generally a thick disk viewed at low to moderate inclination angles. We combine our sample with prior studies and investigate line-profile shape dependence, such as log₁₀(FWHM/σ), on BLR structure and kinematics and search for any BLR luminosity-dependent trends. We find marginal evidence for an anticorrelation between the profile shape of the broad Hβ emission line and the Eddington ratio, when using the rms spectrum. However, we do not find any luminosity-dependent trends, and conclude that AGNs have diverse BLR structure and kinematics, consistent with the hypothesis of transient AGN/BLR conditions rather than systematic trends.

Original language	English
Article number	52
Number of pages	23
Journal	Astrophysical Journal
Volume	930
Issue number	1
DOIs	https://doi.org/10.3847/1538-4357/ac6171
Publication status	Published - 3 May 2022

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Villafaña, L., Williams, P. R., Treu, T., Brewer, B. J., Barth, A. J., U, V., Bennert, V. N., Alexander Vogler, H., Guo, H., Bentz, M. C., Canalizo, G., Filippenko, A. V., Gates, E., Hamann, F., Joner, M. D., Malkan, M. A., Woo, J.-H., Abolfathi, B., Abramson, L. E., ... Zheng, W. (2022). The Lick AGN Monitoring Project 2016: dynamical modeling of velocity-resolved Hβ lags in luminous Seyfert galaxies. Astrophysical Journal, 930(1), Article 52. https://doi.org/10.3847/1538-4357/ac6171

@article{cb355d9d05df4145b94a9658103d282a,

title = "The Lick AGN Monitoring Project 2016: dynamical modeling of velocity-resolved Hβ lags in luminous Seyfert galaxies",

abstract = "We have modeled the velocity-resolved reverberation response of the Hβ broad emission line in nine Seyfert 1 galaxies from the Lick Active Galactic Nucleus (AGN) Monitoring Project 2016 sample, drawing inferences on the geometry and structure of the low-ionization broad-line region (BLR) and the mass of the central supermassive black hole. Overall, we find that the Hβ BLR is generally a thick disk viewed at low to moderate inclination angles. We combine our sample with prior studies and investigate line-profile shape dependence, such as log10(FWHM/σ), on BLR structure and kinematics and search for any BLR luminosity-dependent trends. We find marginal evidence for an anticorrelation between the profile shape of the broad Hβ emission line and the Eddington ratio, when using the rms spectrum. However, we do not find any luminosity-dependent trends, and conclude that AGNs have diverse BLR structure and kinematics, consistent with the hypothesis of transient AGN/BLR conditions rather than systematic trends.",

author = "Lizvette Villafa{\~n}a and Williams, \{Peter R.\} and Tommaso Treu and Brewer, \{Brendon J.\} and Barth, \{Aaron J.\} and Vivian U and Bennert, \{Vardha N.\} and \{Alexander Vogler\}, H. and Hengxiao Guo and Bentz, \{Misty C.\} and Gabriela Canalizo and Filippenko, \{Alexei V.\} and Elinor Gates and Frederick Hamann and Joner, \{Michael D.\} and Malkan, \{Matthew A.\} and Jong-Hak Woo and Bela Abolfathi and Abramson, \{L. E.\} and Armen, \{Stephen F.\} and Hyun-Jin Bae and Thomas Bohn and Boizelle, \{Benjamin D.\} and Bostroem, \{K. Azalee\} and Andrew Brandel and Brink, \{Thomas G.\} and Sanyum Channa and Cooper, \{M. C.\} and Maren Cosens and Edward Donohue and Fillingham, \{Sean P.\} and Diego Gonz{\'a}lez-Buitrago and Goni Halevi and Andrew Halle and Hood, \{Carol E.\} and Keith Horne and \{Chuck Horst\}, J. and \{de Kouchkovsky\}, Maxime and Benjamin Kuhn and Sahana Kumar and Leonard, \{Douglas C.\} and Donald Loveland and Christina Manzano-King and Ian McHardy and Ra{\'u}l Michel and \{Kae B. Olaes\}, Melanie and Daeseong Park and Songyoun Park and Liuyi Pei and Ross, \{Timothy W.\} and Runco, \{Jordan N.\} and Javier S{\'a}nchez and Bryan Scott and Sexton, \{Remington O.\} and Jaejin Shin and Isaac Shivvers and Spencer, \{Chance L.\} and Stahl, \{Benjamin E.\} and Samantha Stegman and Isak Stomberg and Stefano Valenti and Walsh, \{Jonelle L.\} and Heechan Yuk and WeiKang Zheng",

note = "K.H. acknowledges support from STFC grant ST/R000824/1. ",

year = "2022",

month = may,

day = "3",

doi = "10.3847/1538-4357/ac6171",

language = "English",

volume = "930",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "American Astronomical Society",

number = "1",

}

Villafaña, L, Williams, PR, Treu, T, Brewer, BJ, Barth, AJ, U, V, Bennert, VN, Alexander Vogler, H, Guo, H, Bentz, MC, Canalizo, G, Filippenko, AV, Gates, E, Hamann, F, Joner, MD, Malkan, MA, Woo, J-H, Abolfathi, B, Abramson, LE, Armen, SF, Bae, H-J, Bohn, T, Boizelle, BD, Bostroem, KA, Brandel, A, Brink, TG, Channa, S, Cooper, MC, Cosens, M, Donohue, E, Fillingham, SP, González-Buitrago, D, Halevi, G, Halle, A, Hood, CE, Horne, K, Chuck Horst, J, de Kouchkovsky, M, Kuhn, B, Kumar, S, Leonard, DC, Loveland, D, Manzano-King, C, McHardy, I, Michel, R, Kae B. Olaes, M, Park, D, Park, S, Pei, L, Ross, TW, Runco, JN, Sánchez, J, Scott, B, Sexton, RO, Shin, J, Shivvers, I, Spencer, CL, Stahl, BE, Stegman, S, Stomberg, I, Valenti, S, Walsh, JL, Yuk, H & Zheng, W 2022, 'The Lick AGN Monitoring Project 2016: dynamical modeling of velocity-resolved Hβ lags in luminous Seyfert galaxies', Astrophysical Journal, vol. 930, no. 1, 52. https://doi.org/10.3847/1538-4357/ac6171

TY - JOUR

T1 - The Lick AGN Monitoring Project 2016

T2 - dynamical modeling of velocity-resolved Hβ lags in luminous Seyfert galaxies

AU - Villafaña, Lizvette

AU - Williams, Peter R.

AU - Treu, Tommaso

AU - Brewer, Brendon J.

AU - Barth, Aaron J.

AU - U, Vivian

AU - Bennert, Vardha N.

AU - Alexander Vogler, H.

AU - Guo, Hengxiao

AU - Bentz, Misty C.

AU - Canalizo, Gabriela

AU - Filippenko, Alexei V.

AU - Gates, Elinor

AU - Hamann, Frederick

AU - Joner, Michael D.

AU - Malkan, Matthew A.

AU - Woo, Jong-Hak

AU - Abolfathi, Bela

AU - Abramson, L. E.

AU - Armen, Stephen F.

AU - Bae, Hyun-Jin

AU - Bohn, Thomas

AU - Boizelle, Benjamin D.

AU - Bostroem, K. Azalee

AU - Brandel, Andrew

AU - Brink, Thomas G.

AU - Channa, Sanyum

AU - Cooper, M. C.

AU - Cosens, Maren

AU - Donohue, Edward

AU - Fillingham, Sean P.

AU - González-Buitrago, Diego

AU - Halevi, Goni

AU - Halle, Andrew

AU - Hood, Carol E.

AU - Horne, Keith

AU - Chuck Horst, J.

AU - de Kouchkovsky, Maxime

AU - Kuhn, Benjamin

AU - Kumar, Sahana

AU - Leonard, Douglas C.

AU - Loveland, Donald

AU - Manzano-King, Christina

AU - McHardy, Ian

AU - Michel, Raúl

AU - Kae B. Olaes, Melanie

AU - Park, Daeseong

AU - Park, Songyoun

AU - Pei, Liuyi

AU - Ross, Timothy W.

AU - Runco, Jordan N.

AU - Sánchez, Javier

AU - Scott, Bryan

AU - Sexton, Remington O.

AU - Shin, Jaejin

AU - Shivvers, Isaac

AU - Spencer, Chance L.

AU - Stahl, Benjamin E.

AU - Stegman, Samantha

AU - Stomberg, Isak

AU - Valenti, Stefano

AU - Walsh, Jonelle L.

AU - Yuk, Heechan

AU - Zheng, WeiKang

N1 - K.H. acknowledges support from STFC grant ST/R000824/1.

PY - 2022/5/3

Y1 - 2022/5/3

N2 - We have modeled the velocity-resolved reverberation response of the Hβ broad emission line in nine Seyfert 1 galaxies from the Lick Active Galactic Nucleus (AGN) Monitoring Project 2016 sample, drawing inferences on the geometry and structure of the low-ionization broad-line region (BLR) and the mass of the central supermassive black hole. Overall, we find that the Hβ BLR is generally a thick disk viewed at low to moderate inclination angles. We combine our sample with prior studies and investigate line-profile shape dependence, such as log10(FWHM/σ), on BLR structure and kinematics and search for any BLR luminosity-dependent trends. We find marginal evidence for an anticorrelation between the profile shape of the broad Hβ emission line and the Eddington ratio, when using the rms spectrum. However, we do not find any luminosity-dependent trends, and conclude that AGNs have diverse BLR structure and kinematics, consistent with the hypothesis of transient AGN/BLR conditions rather than systematic trends.

AB - We have modeled the velocity-resolved reverberation response of the Hβ broad emission line in nine Seyfert 1 galaxies from the Lick Active Galactic Nucleus (AGN) Monitoring Project 2016 sample, drawing inferences on the geometry and structure of the low-ionization broad-line region (BLR) and the mass of the central supermassive black hole. Overall, we find that the Hβ BLR is generally a thick disk viewed at low to moderate inclination angles. We combine our sample with prior studies and investigate line-profile shape dependence, such as log10(FWHM/σ), on BLR structure and kinematics and search for any BLR luminosity-dependent trends. We find marginal evidence for an anticorrelation between the profile shape of the broad Hβ emission line and the Eddington ratio, when using the rms spectrum. However, we do not find any luminosity-dependent trends, and conclude that AGNs have diverse BLR structure and kinematics, consistent with the hypothesis of transient AGN/BLR conditions rather than systematic trends.

UR - https://www.scopus.com/pages/publications/85130188241

U2 - 10.3847/1538-4357/ac6171

DO - 10.3847/1538-4357/ac6171

M3 - Article

SN - 0004-637X

VL - 930

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1

M1 - 52

ER -

The Lick AGN Monitoring Project 2016: dynamical modeling of velocity-resolved Hβ lags in luminous Seyfert galaxies

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Astronomy at St Andrews 2018-2021: Astronomy at St Andrews 2018-2021

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The Lick AGN Monitoring Project 2016: dynamical modeling of velocity-resolved Hβ lags in luminous Seyfert galaxies

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