24 citations · 123 across the 11 of their papers we have counts for
18 papers
Broad Emission and Absorption Line Outflows in the Quasar SDSS J163345.22+512748.4
Bo Liu, Hongyan Zhou, Xinwen Shu +4
We present a detailed study of the optical and NIR emission and absorption line spectrum of the quasar SDSS J163345.22+512748.4. We discovered on the newly acquired NIR spectrum a…
The radio dichotomy of active galactic nuclei
Hubing Xiao, Jingtian Zhu, Liping Fu +2
The question of radio dichotomy in the active galactic nuclei (AGNs) is still in debate even it has been proposed for more than forty years. In order to solve the old riddle, we co…
Mrk 1239: a Type-2 Counterpart of Narrow-line Seyfert-1?
Xiang Pan, Hongyan Zhou, Chenwei Yang +10
We present new spectrophotometric and spectropolarimetric observations of Mrk 1239, one of the 8 prototypes that defines type-1 narrow-line Seyfert galaxies (NLS1s). Unlike the oth…
Ultradense Gases beyond Dusty Torus in a Partially Obscured Quasar
Zhenzhen Li, Hongyan Zhou, Lei Hao +1
The co-evolution between black holes and galaxies suggests that feedback of active galactic nuclei influence host galaxies through ejecting radiative and kinetic energies to surrou…
Discovery of Metastable He I* 10830 Mini-broad Absorption Lines and Very Narrow Paschen Emission Lines in the ULIRG Quasar IRAS F11119+3257
Xiang Pan, Hongyan Zhou, Wenjuan Liu +7
IRAS F11119+3257 is a quasar-dominated Ultra-Luminous InfraRed Galaxy, with a partially obscured narrow-line seyfert 1 nucleus. In this paper, we present the NIR spectroscopy of F1…
Profile of and Variability in Double-Peaked Balmer Emission Lines in 3C 445
Shaohua Zhang, Hongyan Zhou, Xiheng Shi +2
We extract the multiple-epoch Balmer-line profiles of the heavily obscured quasar 3C 445 from the spectral curves in the literature, and analyze the emission-line profiles of the H…