The Spiral Structure of AGN Host Galaxies

被引：0

作者：

Kennefick, Julia ^{[1
,2
]}

Barrows, R. Scott ^{[2
,3
]}

Hughes, J. Adam ^{[2
]}

Schilling, Amanda ^{[1
]}

Davis, Benjamin ^{[1
]}

Shields, Doug ^{[1
]}

Madey, Aaron ^{[1
]}

Kennefick, Daniel ^{[1
,2
]}

Lacy, Claud ^{[1
,2
]}

Seigar, Marc ^{[4
]}

机构：

[1] Univ Arkansas, Dept Phys, Fayetteville, AR 72701 USA

[2] Univ Arkansas, Arkansas Ctr Space & Planetary Sci, Fayetteville, AR 72701 USA

[3] Univ Colorado, Boulder, CO 80309 USA

[4] Univ Arkansas, Dept Phys & Astron, Little Rock, AR 72204 USA

来源：

STRUCTURE AND DYNAMICS OF DISK GALAXIES | 2014年 / 480卷

关键词：

BLACK-HOLE MASS; QUASARS; EVOLUTION;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Recent work has uncovered a correlation between the black hole mass, M, in the centers of local spiral galaxies and the pitch angles, P, of their spiral arms. We propose to test this M - P correlation at moderate to high redshifts, using a sample of active galaxies selected from the Great Observatories Origins Survey and the Sloan Digital Sky Survey showing evidence for spiral structure in their host galaxies. The mass of the central black holes are estimated using the H beta or Mg II lines in existing spectra using luminosity-radius scaling relations. Pitch angles are measured using an iterative 2D FFT algorithm. The aim is to establish this M - P relation beyond our local epoch, test for evolution in its form, and eventually to compute a BH mass function for late-type galaxies out to moderate redshifts.

引用

页码：133 / 136

页数：4

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