Supermassive BH with accretion rates in AGN. XIV. Virtual Observatory Resource

Authors
  1. Hu C.
  2. Yao Z.-H.
  3. Chen Y.-J.
  4. Songsheng Y.-Y.
  5. Wang Y.-L.
  6. Yang S.,Zhang H.
  7. Guo W.-J.
  8. Du Pu
  9. Li Y.-R.
  10. Xiao M.
  11. Liu J.-R.
  12. Bai H.-R.,Fang F.-N.
  13. Fu Y.-X.
  14. Peng Y.-C.
  15. Zhai S.
  16. Bai J.-M.
  17. Ho L.C.,Brotherton M.S.
  18. Aceituno J.
  19. Winkler H.
  20. Wang J.-M.,SEAMBH collaboration
  21. Published by
    CDS
Abstract

We report the results of a long-duration high-cadence reverberation mapping campaign of a second batch of 11 PG quasars using the 2.2m telescope at the Calar Alto Observatory. This follows a similar earlier study of another sample of 15 objects reported by Hu+ (2021, J/ApJS/253/20). Among the 11 PG quasars, eight objects have the H{beta} time lags measured for the first time, while the other three objects were observed in previous campaigns but only had highly uncertain H{beta}-lag measurements. Long-term light curves are presented of photometric V-band, spectroscopic 5100{AA} continuum, and the H{beta} emission line, lasting for ~3-6yr with a cadence of ~6-14d. Accurate H{beta} time lags ranging from ~20 to 150 days in the rest frame are obtained. The estimated virial masses of the central supermassive black holes range from ~(3-300)x10^7^M_{sun}_. Combining these results with those reported in Hu+ (2021), we now have 26 PG quasars, with representative properties, having reliable H{beta} time-lag measurements from our long-duration high-cadence campaign. A tentative fit to the relation between the H{beta} time lag and the continuum luminosity for these 26 objects gives a slope of 0.53.

Keywords
  1. quasars
  2. active-galactic-nuclei
  3. visible-astronomy
  4. spectroscopy
  5. photometry
  6. extinction
  7. redshifted
  8. black-holes
Bibliographic source Bibcode
2025ApJS..278...61H
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/278/61
IVOA Identifier IVOID
ivo://CDS.VizieR/J/ApJS/278/61

Access

Web browser access HTML
https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/278/61
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/278/61
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/278/61
IVOA Table Access TAP
https://tapvizier.cds.unistra.fr/TAPVizieR/tap
Run SQL-like queries with TAP-enabled clients (e.g., TOPCAT).
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/278/61/table1?
https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/278/61/table1?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/278/61/table1?

History

2026-05-12T13:38:06Z
Resource record created
2026-05-12T13:23:04Z
Updated
2026-05-12T13:38:06Z
Created

Contact

Name
CDS support team
Postal Address
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
E-Mail
cds-question@unistra.fr