The AGN population in nearby galaxies

被引：1
|
作者：
Mercedes Filho [1 ]
Barthel, Peter [1 ]
Ho, Luis [1 ]
机构：
[1] Univ Porto, Ctr Astrophys, Rua das Estrelas, P-4150762 Oporto, Portugal
来源：
GALACTIC CENTER WORKSHOP 2006: FROM THE CENTER OF THE MILKY WAY TO NEARBY LOW-LUMINOSITY GALACTIC NUCLEI | 2006年 / 54卷
关键词：
D O I：
10.1088/1742-6596/54/1/054
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In order to determine the incidence of black hole accretion-driven nuclear activity in nearby galaxies, we have compiled radio data for the LINERs, composite LINER/HII and Seyfert galaxles from a complete magnitude-limited sample of bright nearby galaxies (Palomar sample). Our results show an overall radio detection rate of 54% (22% of all bright nearby galaxies) and we estimate that at least similar to 50% (similar to 20% of all bright nearby galaxies) are true AGN. By comparing the radio luminosity function of the LINERs, composite LINER/HII and Seyferts galaxies in the Palomar sample with those of selected moderate-redshift AGN, we find that our sources naturally extend the radio luminosity function of powerful AGN down to powers of about 10 times that of Sgr A*.
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页码：342 / +
页数：2
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