Kavli Affiliate: Luis C. Ho
| First 5 Authors: Dong-Wei Bao, Michael S. Brotherton, Pu Du, Jacob N. McLane, T. E. Zastrocky
| Summary:
In this third paper of the series reporting on the reverberation mapping (RM)
campaign of active galactic nuclei with asymmetric H$beta$ emission-line
profiles, we present results for 15 Palomar-Green (PG) quasars using spectra
obtained between the end of 2016 to May 2021. This campaign combines long time
spans with relatively high cadence. For 8 objects, both the time lags obtained
from the entire light curves and the measurements from individual observing
seasons are provided. Reverberation mapping of 9 of our targets has been
attempted for the first time, while the results for 6 others can be compared
with previous campaigns. We measure the H$beta$ time lags over periods of
years and estimate their black hole masses. The long duration of the campaign
enables us to investigate their broad line region (BLR) geometry and kinematics
for different years by using velocity-resolved lags, which demonstrate
signatures of diverse BLR geometry and kinematics. The BLR geometry and
kinematics of individual objects are discussed. In this sample, the BLR
kinematics of Keplerian/virialized motion and inflow is more common than
outflow.
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