The relation between nuclear activity and stellar mass in galaxies

被引:2
作者
La Mura, G. [1 ,2 ]
Bindoni, D. [1 ]
Ciroi, S. [1 ,2 ]
Cracco, V. [1 ,2 ]
D'Abrusco, R. [3 ]
Rafanelli, P. [1 ]
Vaona, L. [1 ]
机构
[1] Univ Padua, Dept Phys & Astron, Vicolo Osservatorio 3, I-35122 Padua, Italy
[2] INAF Astron Observ Padua, I-35122 Padua, Italy
[3] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
基金
美国国家航空航天局; 美国国家科学基金会;
关键词
galaxies: active; galaxies: evolution; galaxies: ISM; galaxies: nuclei; galaxies: stellar content; STAR-FORMATION HISTORY; NARROW-LINE REGION; H-II REGIONS; SEYFERT-GALAXIES; SPECTRAL PROPERTIES; EMISSION; PHOTOIONIZATION; ABUNDANCES; GAS; CLASSIFICATION;
D O I
10.1111/j.1365-2966.2012.21840.x
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The existence of correlations between the nuclear properties of galaxies, such as the mass of their central black holes, and larger scale features, such as the bulge mass and luminosity, represents a fundamental constraint on galaxy evolution. Although the actual reasons for these relations have not yet been identified, it is widely believed that they could stem from a connection between the processes that lead to black hole growth and stellar mass assembly. The problem of understanding how the processes of nuclear activity and star formation can affect each other became known to the literature as the starburstactive galactic nucleus (AGN) connection. Despite years of investigation, the physical mechanisms which lie at the basis of this relation are known only in part. In this work, we analyse the problem of star formation and nuclear activity in a large sample of galaxies. We study the relations between the properties of the nuclear environments and their host galaxies. We find that the mass of the stellar component within the galaxies of our sample is a critical parameter, which we have to consider in an evolutionary sequence, which provides further insight into the connection between AGN and star formation processes.
引用
收藏
页码:1893 / 1904
页数:12
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