The luminosity function of narrow-line Seyfert 1 galaxies based on SDSS data (DR7)

被引：3

作者：

Ermash, A. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Ctr Astro Space, PN Lebedev Phys Inst, Moscow, Russia

来源：

ASTRONOMY REPORTS | 2013年 / 57卷 / 05期

基金：

美国国家科学基金会; 美国能源部; 美国国家航空航天局;

关键词：

ACTIVE GALACTIC NUCLEI; SUPERMASSIVE BLACK-HOLES; HOST GALAXIES; X-RAY; EMISSION; MASS; EVOLUTION; QUASARS; GROWTH;

D O I：

10.1134/S106377291305003X

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Luminosity functions of Seyfert 1 active galactic nuclei in the [OIII] lambda 5007 forbidden line are derived from Sloan Digital Sky Survey data (Data Release 7). Special attention is paid to the peculiar class of narrow-line Seyfert 1 (NLSy1) galaxies, whose optical broad, permitted lines are relatively narrow (FWHM a parts per thousand currency sign 2000 km/s). A new technique for obtaining an emission-line luminosity function that is able to take into account density variations due to the large-scale structure of the Universe, among other factors, is discussed. The derived luminosity functions are compared with those for other types of active galactic nuclei using available published data. The X-ray luminosity function predicted using our data demonstrates good agreement with observations.

引用

页码：317 / 326

页数：10

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