The nature of obscuration in AGNs - II. Insights from clustering properties

被引：5
|
作者：
Shao, Li [1 ]
Li, Cheng [2 ,3 ]
Kauffmann, Guinevere [1 ]
Wang, Jing [4 ]
机构：
[1] Max Planck Inst Astrophys, D-85748 Garching, Germany
[2] Max Planck Inst Astrophys, Partner Grp, Shanghai 200030, Peoples R China
[3] Shanghai Astron Observ, Key Lab Res Galaxies & Cosmol, Shanghai 200030, Peoples R China
[4] Australia Telescope Natl Facil, CSIRO Astron & Space Sci, Epping, NSW 1710, Australia
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2015年 / 448卷 / 01期
关键词：
galaxies: active; galaxies: interactions; galaxies: nuclei; galaxies: Seyfert; infrared: galaxies; ACTIVE GALACTIC NUCLEI; DIGITAL SKY SURVEY; INFRARED-SURVEY-EXPLORER; STAR-FORMING GALAXIES; SUPERMASSIVE BLACK-HOLES; HOST GALAXIES; FORMATION RATES; LOCAL UNIVERSE; X-RAY; INACTIVE GALAXIES;
D O I：
10.1093/mnrasl/slu197
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Based on large optical and mid-infrared (mid-IR) surveys, we investigate the relation between nuclear activity in local Seyfert 2 galaxies and galaxy interactions using a statistical neighbour-counting technique. At the same level of host galaxy star formation (SF), we find that active galactic nuclei (AGNs) with stronger [O III] emission lines do not show an excess of near neighbours, while AGNs with stronger mid-IR emission do have more near neighbours within a projected distance of 100 kpc. The excess neighbour count increases with decreasing projected radius. These results suggest a phase of torus formation during galaxy interactions.
引用
收藏
页码：L72 / L76
页数：5
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