On the systematic bias in the estimation of black hole masses in active galactic nuclei

作     者：WANG JianGuo DONG XiaoBo 

作者机构：Yunnan ObservatoriesChinese Academy of Sciences Key Laboratory for the Structure and Evolution of Celestial ObjectsChinese Academy of Sciences Graduate University of Chinese Academy of Sciences Key Laboratory for Research in Galaxies and CosmologyUniversity of Science and Technology of China Center for AstrophysicsUniversity of Science and Technology of China 

出 版 物：《Science China(Physics,Mechanics & Astronomy)》 (中国科学:物理学 力学 天文学(英文版))

年 卷 期：2014年第57卷第3期

页      面：584-588页

核心收录：

学科分类：07[理学] 070401[理学-天体物理] 0704[理学-天文学] 

基　　金：supported by the National Basic Research Program of China(Grant No.2009CB824800) the National Natural Science Foundation of China(Grant Nos.11303085,11073019,10973034,11033007,11133006 and 11103071) the Western Light Youth Project 

主　　题：quasars galactic nuclei masses statistical and correlative studies of properties 

摘      要：In this report,we find the MBH estimated from the formalism of Wang et *** more consistent with those from the MBH-σ relation than those from previous single-epoch mass estimators,using a large sample of ***,we examine the diferences between the line widths of Hβ and Mg Ⅱ in detail by comparing their line *** flux around the line core and that in the wing of both Hβ and Mg Ⅱ show an opposite variation tendency,which indicates the BLR is *** contribution of the wing makes the FWHM deviate fromσline,and thus bias the MBH estimated from previous single-epoch mass *** the correction on the formalism suggested by Wang et *** crucial to MBH estimation.