Black hole mass and radiation pressure of Seyfert 1 galaxies

被引：0
作者：
Xiong Ding-Rong [1 ]
Zhang Xiong [1 ]
Zheng Yong-Gang [1 ]
Huang Bang-Rong [1 ]
Mao Li-Sheng [1 ]
Liu Wen-Guang [1 ]
Cha Yong-Juan [1 ]
机构：
[1] Yunnan Normal Univ, Coll Phys & Elect, Kunming 650092, Peoples R China
来源：
ACTA PHYSICA SINICA | 2012年 / 61卷 / 22期
基金：
中国国家自然科学基金;
关键词：
radiation pressure; black hole mass; Seyfert; 1; galaxies; characteristics; ACTIVE GALACTIC NUCLEI; M-BH-SIGMA(ASTERISK) RELATION; NARROW; QUASARS; MODEL;
D O I：
10.7498/aps.61.229801
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We collect 214 Seyfert 1 galaxies (147 narrow line Seyfert 1 and 67 broad line Seyfert 1) and research black hole mass, bulge velocity dispersion, Eddington ratio, luminosity at 5100 angstrom and redshift. Our conclusions are follows: (1) when computing black hole mass, we should consider the effect of radiation pressure, especially for the narrow line Seyfert 1 galaxies; (2) when the effect of radiation pressure is considered, narrow line Seyfert 1 galaxies meet M-BH-sigma relation of normal galaxies and are in sub-Eddington accretion; (3) in a large samples, the evolution of Seyfert 1 galaxies is from narrow line Seyfert 1 galaxies to broad line Seyfert 1 galaxies, which is consistent with other results obtained in different ways.
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页数：11
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