THE DETECTION OF EXTREME LOW-LUMINOSITY AGNS

被引:0
|
作者
Neri-Larios, D. M. [1 ]
Torres-Papaqui, J. P. [1 ]
Coziol, R. [1 ]
Islas-Islas, J. M. [1 ]
Ortega-Minakata, R. A. [1 ]
机构
[1] Univ Guanajuato, Dept Astron, Guanajuato 36000, Mexico
来源
XIII LATIN AMERICAN REGIONAL IAU MEETING | 2011年 / 40卷
关键词
galaxies: active; galaxies: evolution; DIGITAL SKY SURVEY; COMPACT-GROUPS; GALAXIES; CLASSIFICATION; EMISSION;
D O I
暂无
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We explore the diagnostic diagram that uses the ratio of emission lines ([NII]lambda 6584 angstrom/H alpha) versus equivalent width of [NII]lambda 6584 angstrom, proposed by Coziol et al. (1998) to a sample obtained from Sloan Digital Sky Survey Data Release 5 to separate star-forming and active galaxies from low-luminosity AGNs. This diagnostic diagram does not need the classical emission lines like [OIII]lambda 5007 angstrom, or H beta to classify activity type. We show empirically that this combination of emission lines can be used to search the called Low-Luminosity AGN.
引用
收藏
页码:80 / 81
页数:2
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