Metal-Enriched Outflows in the Ultra-Luminous infrared Quasar Q1321+058 (2009)
Wang, Tinggui, Zhou, Hongyan, Yuan, Weimin, Lu, Honglin, Dong, Xiaobo, Shan, Hongguang
Quasar outflows may play important role in the evolution of its host galaxy and central black hole. In this paper, we present a detailed study of multiple outflows in the obscured ultra-luminous...
Wang, Deliang, Wang, Jianguo, Dong, Xiaobo
Results are presented of extended and refined optical identification of 181 radio/X-ray sources in the RASS-Green Bank (RGB) catalog which have been spectroscopically observed in the Sloan digital...
What controls the FeII strength in active galactic nuclei? (2009)
Dong, Xiaobo, Wang, Jianguo, Wang, Tinggui, Wang, Huiyuan, Fan, Xiaohui, Zhou, Hongyan, ...
We have investigated the correlations of the equivalent widths (EWs) of narrow and broad FeII emission lines and the FeII/MgII intensity ratio with fundamental physical parameters of active galactic...
The origin and physical mechanism of the ensemble Baldwin effect (2009)
Dong, Xiaobo, Wang, Jianguo, Wang, Tinggui, Wang, Huiyuan, Fan, Xiaohui, Zhou, Hongyan, ...
We have conducted a systematic investigation of the origin and underlying physics of the line--line and line--continuum correlations of AGNs, particularly the Baldwin effect. Based on the homogeneous...
Exploring the Partially-obscured BLR and Partially-covered NLR (2009)
Zhang, Kai, Wang, Tinggui, Dong, Xiaobo, Zhou, Hongyan, Lu, Honglin
We have conducted a series of investigations on the geometry of the reddening material in AGNs, which have important implications to the AGN unification and SMBH demography. According to our...
Mei, Lin, Yuan, Weimin, Dong, Xiaobo
Active galactic nuclei (AGN) in low surface brightness galaxies (LSBGs) have received little attention in previous studies. In this paper, we present detailed spectral analysis of 194 LSBGs from the...
The Correlation between X-ray and UV Properties of BAL QSOs (2009)
Lulu Fan, HuiYuan Wang, Tinggui Wang, Junxian Wang, Xiaobo Dong, Kai Zhang, ...
We compile a large sample of broad absorption lines (BAL) quasars with X-ray observations from the \xmm archive data and Sloan Digital Sky Survey Data Release 5. The sample consists of 41 BAL QSOs....
The Correlation between X-ray and UV Properties of BAL QSOs (2008)
Fan, LuLu, Wang, HuiYuan, Wang, Tinggui, Wang, Junxian, Dong, Xiaobo, Zhang, Kai, ...
We compile a large sample of broad absorption lines (BAL) quasars with X-ray observations from the \xmm archive data and Sloan Digital Sky Survey Data Release 5. The sample consists of 41 BAL QSOs....
Difference in Narrow Emission Line Spectra of Seyfert 1 and 2 galaxies (2008)
Zhang, Kai, Wang, Tinggui, Dong, Xiaobo, Lu, Honglin
In the unification scheme of Seyfert galaxies, a dusty torus blocks the continuum source and broad line region in Seyfert 2 galaxies. However it is not clear whether or not and to what extent the...
XMM observations of BAL Quasars with polar outflows (2008)
Wang, Junxian, Jiang, Peng, Zhou, Hongyan, Wang, Tinggui, Dong, Xiaobo, Wang, Huiyuan
We have selected a sample of broad absorption line (BAL) quasars which show significant radio variations, indicating the presence of polar BAL outflows. We obtained snapshot XMM observations of four...
Broad-line Balmer decrements in blue active galactic nuclei (2008)
Dong, Xiaobo, Wang, Tinggui, Wang, Jianguo, Yuan, Weimin, Zhou, Hongyan, Dai, Haifeng, ...
Broad-line Balmer Decrements in Blue Active Galactic Nuclei (2007)
Dong, Xiaobo, Wang, Tinggui, Wang, Jianguo, Yuan, Weimin, Zhou, Hongyan, Dai, Haifeng, ...
We have investigated the broad-line Balmer decrements (Halpha/Hbeta) for a large, homogeneous sample of Seyfert 1 galaxies and QSOs using spectroscopic data obtained in the Sloan Digital Sky Survey....
Metal Enriched Outflows and Dusty starburst in the type II quasar Q 1321+058 (2007)
Wang, Ting-Gui, Zhou, Hongyan, Lu, Honglin, Yuan, Weimin, Shan, Hongguang, Dong, Xiaobo
We present an analysis of the emission line property and the broad band spectral energy distribution of the ultra-luminous infrared Type II quasar Q132+058. The optical and ultraviolet emission lines...
Systematic study of a large sample of NLS1 galaxies from SDSS: first results (2006)
Yuan, Weimin, Zhou, Hongyan, Wang, Tinggui, Dong, Xiaobo, Lu, Honglin, Wang, Junxian, ...
This proceedings contribution summarizes first results obtained from a systematic study of 2011 NLS1 galaxies, as presented in Zhou et al. (2006, ApJS 166, 128). The sample was compiled by examining...
Broad-line AGNs with Candidate Intermediate-mass Black holes in the Sloan Digital Sky Survey (2006)
Dong, Xiaobo, Wang, Tinggui, Yuan, Weimin, Zhou, Hongyan, Shan, Hongguang, Wang, Huiyuan, ...
We have conducted a systematic search of AGNs with IMBHs from the SDSS DR4. As results we found 245 candidates of broad-line AGN with M_{BH}
SDSS J160531.84+174826.1: A Dwarf Disk Galaxy With An Intermediate-Mass Black Hole (2006)
Dong, Xiaobo, Wang, Tinggui, Yuan, Weimin, Shan, Hongguang, Zhou, Hongyan, Fan, Lulu, ...
We report the discovery of a dwarf Seyfert 1 active galactic nucleus (AGN) with a candidate intermediate-mass black hole hosted by the dwarf galaxy SDSS J160531.84+174826.1 at z=0.032. A broad...
Zhou, Hongyan, Wang, Tinggui, Yuan, Weimin, Lu, Honglin, Dong, Xiaobo, Wang, Junxian, ...
This is the first paper in a series dedicated to the study of the emission-line and continuum properties of narrow line Seyfert 1 galaxies (NLS1s). We carried out a systematic search for NLS1s from...
Characterization of soil behavior using electromagnetic wave-based technique (2006)
Thesis (Ph.D.)--Hong Kong University of Science and Technology, 2006
Characterization of soil behavior using electromagnetic wave-based technique / (2006)
Thesis (Ph.D.)--Hong Kong University of Science and Technology, 2006.
Ensemble Learning Independent Component Analysis of Normal Galaxy Spectra (2005)
Lu, Honglin, Zhou, Hongyan, Wang, Junxian, Wang, Tinggui, Dong, Xiaobo, Zhuang, Zhenquan, ...
In this paper, we employe a new statistical analysis technique, Ensemble Learning for Independent Component Analysis (EL-ICA), on the synthetic galaxy spectra from a newly released high resolution...
Wang, Tinggui, Dong, Xiaobo, Zhou, Hongyan, Wang, Junxian
We report the detection of strong CaII/MgII absorption lines at the quasar redshift in the narrow line quasar SDSS J2339-0912 (z=0.6604). The quasar exhibits strong FeII, small Balmer emission line...
Obscured Binary Quasar Cores in SDSS J104807.74+005543.5? (2004)
Zhou, Hongyan, Wang, Tinggui, Zhang, Xueguang, Dong, Xiaobo, Li, Cheng
We report the discovery of a possible close binary system of quasars in SDSS J1048+0055. The [OIII]4959,5007 emission lines are clearly double-peaked, and two discrete radio sources with a projected...