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Title: The Lick AGN Monitoring Project 2016: Dynamical Modeling of Velocity-resolved Hβ Lags in Luminous Seyfert Galaxies

Journal Article · · The Astrophysical Journal
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  1. Univ. of California, Los Angeles, CA (United States)
  2. Univ. of Auckland (New Zealand)
  3. Univ. of California, Irvine, CA (United States)
  4. Univ. of California, Irvine, CA (United States); Univ. of California, Riverside, CA (United States)
  5. California Polytechnic State Univ. (CalPoly), San Luis Obispo, CA (United States)
  6. Univ. of California, Irvine, CA (United States); Univ. of California, Davis, CA (United States)
  7. Georgia State Univ., Atlanta, GA (United States)
  8. Univ. of California, Riverside, CA (United States)
  9. Univ. of California, Berkeley, CA (United States)
  10. Lick Observatory, Hamilton, CA (United States)
  11. Brigham Young Univ., Provo, UT (United States)
  12. Seoul National Univ. (Korea, Republic of)
  13. Carnegie Observatories, Pasadena, CA (United States)
  14. San Diego State Univ., CA (United States)
  15. Univ. of California, Irvine, CA (United States); Brigham Young Univ., Provo, UT (United States)
  16. Univ. of California, Davis, CA (United States); Univ. of Washington, Seattle, WA (United States)
  17. Univ. of California, Berkeley, CA (United States); Stanford Univ., CA (United States)
  18. Univ. of California, San Diego, CA (United States)
  19. California Polytechnic State Univ. (CalPoly), San Luis Obispo, CA (United States); Booz Allen, San Diego, CA (United States)
  20. Univ. of California, Irvine, CA (United States); Univ. Nacional Autonoma de Mexico (UNAM), Ensenada (Mexico)
  21. Univ. of California, Berkeley, CA (United States); Princeton Univ., NJ (United States)
  22. California State University, San Bernardino (CSUSB), CA (United States)
  23. Univ. of St. Andrews, Scotland (United Kingdom)
  24. San Diego State Univ., CA (United States); Space Telescope Science Institute, Baltimore, MD (United States)
  25. Univ. of California, Berkeley, CA (United States); Florida State Univ., Tallahassee, FL (United States)
  26. California Polytechnic State Univ. (CalPoly), San Luis Obispo, CA (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  27. Univ. of Southampton (United Kingdom)
  28. Univ. Nacional Autonoma de Mexico (UNAM), Ensenada (Mexico)
  29. Kyungpook National Univ., Daegu (Korea, Republic of); Korea Astronomy and Space Science Institute (KASI), Daejeon (Korea, Republic of)
  30. Univ. of California, Irvine, CA (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Kavli Institute for Cosmology, Chicago, IL (United States)
  31. Univ. of California, Riverside, CA (United States); US Naval Observatory, Washington, DC (United States); George Mason Univ., Fairfax, VA (United States)
  32. California Polytechnic State Univ. (CalPoly), San Luis Obispo, CA (United States); California State University, Fresno, CA (United States)
  33. Univ. of California, Berkeley, CA (United States); Univ. of Wisconsin, Madison, WI (United States)
  34. California Polytechnic State Univ. (CalPoly), San Luis Obispo, CA (United States); Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  35. Univ. of California, Davis, CA (United States)
  36. Texas A & M Univ., College Station, TX (United States)
  37. Univ. of California, Berkeley, CA (United States); Univ. of Oklahoma, Norman, OK (United States)
+ Show Author Affiliations

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 $${\mathrm{log}}_{10}(\mathrm{FWHM}/\sigma )$$, 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.

Research Organization:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-07CH11359
OSTI ID:
1867646
Report Number(s):
FERMILAB-PUB-22-282-V; arXiv:2203.15000; oai:inspirehep.net:2063176; TRN: US2306204
Journal Information:
The Astrophysical Journal, Vol. 930, Issue 1; ISSN 0004-637X
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English

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Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
active galaxies
active galactic nuclei
Seyfert galaxies