Search Results - "Li, Yan Rong"
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Kinematics of the Broad-line Region of 3C 273 from a 10 yr Reverberation Mapping Campaign
Published in The Astrophysical journal (01-05-2019)“…Despite many decades of study, the kinematics of the broad-line region of 3C 273 are still poorly understood. We report a new, high signal-to-noise,…”
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Spectroastrometric Reverberation Mapping of Broad-line Regions
Published in The Astrophysical journal (01-01-2023)“…Spectroastrometry measures source astrometry as a function of wavelength/velocity. Reverberations of spectroastrometric signals naturally arise in broad-line…”
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Supermassive Black Holes with High Accretion Rates in Active Galactic Nuclei. IX. 10 New Observations of Reverberation Mapping and Shortened Hβ Lags
Published in The Astrophysical journal (20-03-2018)“…As one paper in a series reporting on a large reverberation mapping campaign of super-Eddington accreting massive black holes (SEAMBHs) in active galactic…”
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Failed Radiatively Accelerated Dusty Outflow Model of the Broad Line Region in Active Galactic Nuclei. I. Analytical Solution
Published in The Astrophysical journal (10-09-2017)“…The physical origin of the broad line region in active galactic nuclei is still unclear despite many years of observational studies. The reason is that the…”
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A Pixon-based Method for Reverberation-mapping Analysis in Active Galactic Nuclei
Published in The Astrophysical journal (01-11-2021)“…We present an alternative method for reconstructing a velocity-delay map in reverberation mapping (RM) based on the pixon algorithm initially proposed for…”
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Supermassive Black Holes with High Accretion Rates in Active Galactic Nuclei. XI. Accretion Disk Reverberation Mapping of Mrk 142
Published in The Astrophysical journal (01-06-2020)“…We performed an intensive accretion disk reverberation mapping campaign on the high accretion rate active galactic nucleus Mrk 142 in early 2019. Mrk 142 was…”
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Kinematic Signatures of Reverberation Mapping of Close Binaries of Supermassive Black Holes in Active Galactic Nuclei
Published in The Astrophysical journal (01-08-2018)“…Close binaries of supermassive black holes (CB-SMBHs) with separations of 0.1 pc as the final stage of galaxy mergers are sources of low-frequency…”
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Ultrahigh-Responsivity, Rapid-Recovery, Solar-Blind Photodetector Based on Highly Nonstoichiometric Amorphous Gallium Oxide
Published in ACS photonics (20-09-2017)“…Recently, Ga2O3-based, solar-blind photodetectors (PDs) have been extensively studied for various commercial and military applications. However, to date,…”
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Supermassive Black Holes with High Accretion Rates in Active Galactic Nuclei. VIII. Structure of the Broad-line Region and Mass of the Central Black Hole in Mrk 142
Published in The Astrophysical journal (20-12-2018)“…This is the eighth in a series of papers reporting on a large reverberation mapping (RM) campaign to measure black hole (BH) mass in active galactic nuclei…”
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Monitoring AGNs with Hβ Asymmetry. I. First Results: Velocity-resolved Reverberation Mapping
Published in The Astrophysical journal (20-12-2018)“…We have started a long-term reverberation mapping (RM) project using the Wyoming Infrared Observatory 2.3 m telescope titled "Monitoring AGNs with Hβ…”
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Differential Interferometric Signatures of Close Binaries of Supermassive Black Holes in Active Galactic Nuclei
Published in The Astrophysical journal (20-08-2019)“…In the present paper, we explore opportunities of applying the GRAVITY at the Very Large Telescope Interferometer with unprecedented spatial resolution to…”
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SPECTROSCOPIC INDICATION OF A CENTI-PARSEC SUPERMASSIVE BLACK HOLE BINARY IN THE GALACTIC CENTER OF NGC 5548
Published in The Astrophysical journal (01-05-2016)“…ABSTRACT As a natural consequence of cosmological hierarchical structure formation, sub-parsec supermassive black hole binaries (SMBHBs) should be common in…”
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Mitochondria-related core genes and TF-miRNA-hub mrDEGs network in breast cancer
Published in Bioscience reports (29-01-2021)“…Mitochondria-nuclear cross-talk and mitochondrial retrograde regulation are involved in the genesis and development of breast cancer (BC). Therefore,…”
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Spectroastrometry and Reverberation Mapping: The Mass and Geometric Distance of the Supermassive Black Hole in the Quasar 3C 273
Published in The Astrophysical journal (01-03-2022)“…The quasar 3C 273 has been observed with infrared spectroastrometry (SA) of the broad Pa α line and optical reverberation mapping (RM) of the broad H β line…”
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A new approach for measuring power spectra and reconstructing time series in active galactic nuclei
Published in Monthly notices of the Royal Astronomical Society. Letters (01-05-2018)“…Abstract We provide a new approach to measure power spectra and reconstruct time series in active galactic nuclei (AGNs) based on the fact that the Fourier…”
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Star Formation in Self-gravitating Disks in Active Galactic Nuclei. III. Efficient Production of Iron and Infrared Spectral Energy Distributions
Published in The Astrophysical journal (01-09-2023)“…Strong iron lines are a common feature of the optical spectra of active galactic nuclei (AGNs) and quasars from z ∼ 6−7 to the local universe, and [Fe/Mg]…”
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A NON-PARAMETRIC APPROACH TO CONSTRAIN THE TRANSFER FUNCTION IN REVERBERATION MAPPING
Published in The Astrophysical journal (10-11-2016)“…ABSTRACT Broad emission lines of active galactic nuclei stem from a spatially extended region (broad-line region, BLR) that is composed of discrete clouds and…”
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Interpretation of Departure from the Broad-line Region Scaling in Active Galactic Nuclei
Published in The Astrophysical journal (10-01-2019)“…Most results of the reverberation monitoring of active galaxies showed a universal scaling of the time delay of the Hβ emission region with the monochromatic…”
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Untangling Optical Emissions of the Jet and Accretion Disk in the Flat-spectrum Radio Quasar 3C 273 with Reverberation Mapping Data
Published in The Astrophysical journal (01-07-2020)“…3C 273 is an intensively monitored flat-spectrum radio quasar with both a beamed jet and blue bump together with broad emission lines. The coexistence of the…”
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