activity
20042024
most citedA Comprehensive Study of 2 000 Narrow Line Seyfert 1 Galaxies from the Sloan Digital Sky Survey: I. The Sample

347 citations · 4.4k across the 112 of their papers we have counts for

collaborators

112 papers

astro-ph.GA2024

Metal-strong Inflows at the Outer-galactic-scale of a Quasar

Qiguo Tian, Lei Hao, Yipeng Zhou +6

We present an analysis of the absorption-line system in the Very Large Telescope/Ultraviolet and Visual Echelle Spectrograph spectrum at a redshift of associat…

astro-ph.GA2024

Discovery of a Damped Ly Absorber in the Circumnuclear Zone of the FeLoBAL Quasar SDSS J083942.11+380526.3

Shengmiao Wu, Xiheng Shi, Nibedita Kalita +8

SDSS J083942.11+380526.3 () is a FeLoBAL quasar that exhibits visible Balmer absorption lines (H), implying a significant population. The quasar also shows an arr…

astro-ph.GA2024★ 1 cited

A comparative study of ultraluminous infrared galaxies in the IRAS and SDSS Surveys

Shaohua Zhang, Zhijian Luo, Xiheng Shi +3

We present a comprehensive study of Ultraluminous Infrared Galaxies (ULIRGs), leveraging data from the IRAS Faint Source Catalogue (FSC) and the spectroscopic catalog in the Sloan…

astro-ph.HE2022★ 11 cited

Optical flux and spectral variability of BL Lacertae during its historical high outburst in 2020

Nibedita Kalita, Yuhai Yuan, Minfeng Gu +9

BL Lacertae had undergone a series of historical high flux activity over a year, from August 2020 in the optical to VHE -rays. In this paper, we report on optical flux and spect…

astro-ph.GA2022★ 5 cited

Compact and variable radio emission from an active galaxy with supersoft X-ray emission

Lei Yang, Xinwen Shu, Fabao Zhang +15

RX J1301.9+2747 is a unique active galaxy with supersoft X-ray spectrum that lacks significant emission at energies above 2 keV. In addition, it is one of few galaxies displaying q…

astro-ph.GA2022★ 2 cited

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…