Detecting the intrinsic Baldwin Effect of the optical FeII complex in Luminous Seyfert 1 Galaxy Fairall 9  

作　　者：HAN XuHui WANG Jing WEI JianYan YANG DaWei HOU JinLiang 

机构地区：[1]Key Laboratory for Research in Galaxies and Cosmology,Sanghai Astronomical Observatory,Chinese Academy of Sciences,Shanghai 200030,China [2]National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,China [3]College of Physics,Hebei Normal University,ShijiaZhuang 050016,China [4]Graduate university of the Chiese Academy of Sciences,Beijing 100049,China

出　　处：《Science China(Physics,Mechanics & Astronomy)》2011年第2期346-354,共9页中国科学：物理学、力学、天文学（英文版）

基　　金：supported by the National Natural Science Foundation of China (Grant Nos.10803008, 10833005 and 10573028);the National Basic Research Program of China (Grant Nos.2009CB824800 and 2007CB815402);the Group Innovation Project (Grant No.10821302)

摘　　要：We analyze the optical spectra of Fairall 9,a luminous Seyfert 1 galaxy.They are obtained from the AGN Watch program that has monitored this object for 9 months.The flux and variation of the optical FeII complex is measured using multi-component profile modeling with FeⅡ templates.A convincing intrinsic Baldwin Effect(BEff) of optical FeⅡ emission blends in Fairall 9 is discovered for the first time.The variation of FeⅡ/Hβ(RFe) in Fairall 9 is obtained.We also detect a marginal anti-correla tion between RFe and the continuum flux in its spectra.This anti-correlation and the relatively broad profile of Hβ in this galaxy support the dichotomy reported by Wang et al.(2005).We analyze the optical spectra of Fairall 9,a luminous Seyfert 1 galaxy.They are obtained from the AGN Watch program that has monitored this object for 9 months.The flux and variation of the optical FeII complex is measured using multi-component profile modeling with FeⅡ templates.A convincing intrinsic Baldwin Effect（BEff） of optical FeⅡ emission blends in Fairall 9 is discovered for the first time.The variation of FeⅡ/Hβ（RFe） in Fairall 9 is obtained.We also detect a marginal anti-correla tion between RFe and the continuum flux in its spectra.This anti-correlation and the relatively broad profile of Hβ in this galaxy support the dichotomy reported by Wang et al.（2005）.

关 键 词：active galactic nuclei QUASARS Seyfert galaxies H Ⅱ regions emission lines Fairall 9 

分 类 号：O734.1[理学—晶体学] P144.1[天文地球—天体物理]