757 citations · 1.8k across the 33 of their papers we have counts for
Showing 2020Show all
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astro-ph.GA2020★ 12 cited
CIV emission line properties and uncertainties in black hole mass estimates of z ~ 3.5 quasars
Wenwen Zuo, Xue-Bing Wu, Xiaohui Fan +5
Using a high luminosity ( erg s), high redshift () quasar sample of 19 quasars with optical and near-infrared spectros…
astro-ph.HE2020★ 29 cited
Multicolor Optical Monitoring of the Blazar S5 0716+714 from 2017 to 2019
Dingrong Xiong, Jinming Bai, Junhui Fan +7
We continuously monitored the blazar S5 0716+714 in the optical , and bands from Nov. 10, 2017 to Jun. 06, 2019. The total number of observations is 201 nights including…
astro-ph.GA2020★ 34 cited
An Extreme X-ray Variability Event of a Weak-Line Quasar
Qingling Ni, W. N. Brandt, W. Yi +8
We report the discovery of an extreme X-ray flux rise (by a factor of > 20) of the weak-line quasar SDSS J153913.47+395423.4 (hereafter SDSS J1539+3954) at z = 1.935. SDSS J1539+39…