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Hongyan Zhou

Researcher at Polar Research Institute of China

Publications -  178
Citations -  6992

Hongyan Zhou is an academic researcher from Polar Research Institute of China. The author has contributed to research in topics: Galaxy & Quasar. The author has an hindex of 43, co-authored 172 publications receiving 6498 citations. Previous affiliations of Hongyan Zhou include Joint Institute for Nuclear Research & Shanghai Jiao Tong University.

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A Comprehensive Study of 2000 Narrow Line Seyfert 1 Galaxies from the Sloan Digital Sky Survey. I. The Sample

Hongyan Zhou, +11 more
- 01 Sep 2006 - 
TL;DR: In this article, the emission lines and continua of NLS1s were measured accurately with typical uncertainties < 10% for the SDSS DR3 data set and various statistical analyses were carried out, some of which were only possible for the first time.
Journal ArticleDOI

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

Hongyan Zhou, +6 more
- 28 Mar 2006 - 
TL;DR: In this paper, the emission line and continuum properties of NLS1s were studied using the spectroscopic sample of the Sloan Digital Sky Survey Data Release 3 (SDSS DR3) by careful modeling of their emission lines and continua.
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ESTIMATING BLACK HOLE MASSES IN ACTIVE GALACTIC NUCLEI USING THE Mg II λ2800 EMISSION LINE

Jianguo Wang, +14 more
- 20 Dec 2009 - 
TL;DR: In this article, the relationship between the linewidths of broad Mg II lambda 2800 and H beta in active galactic nuclei (AGNs) was investigated to refine them as tools to estimate black hole (BH) masses.
Journal ArticleDOI

Estimating Black Hole Masses in Active Galactic Nuclei Using the MgII 2800 Emission Line

Jianguo Wang, +8 more
- 15 Oct 2009 - 
TL;DR: In this paper, the relationship between the linewidths of broad Mg II and Hbeta lines was investigated to refine them as tools to estimate black hole (BH) masses.
Journal ArticleDOI

On the Nature of Seyfert Galaxies with High [O III] λ5007 Blueshifts

Stefanie Komossa, +4 more
- 20 Jun 2008 - 
TL;DR: In this paper, the authors studied the properties of Seyfert galaxies with high [O III]?5007 blueshifts (blue outliers), originally identified because of their strong deviation from the MBH?? relation of normal, narrow-line BLS1 and broad-line NLS1 galaxies.