Stellar populations of local infrared-selected galaxies

被引：0
|
作者：
Chen, X. Y. [1 ,2 ]
Liang, Y. C. [1 ]
Hammer, F. [3 ]
Zhao, Y. H. [1 ]
Zhong, G. H. [1 ,2 ]
机构：
[1] Chinese Acad Sci, Natl Astron Observ, A20 Datun Rd, Beijing 100012, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
[3] Observ Paris, GEPI, F-92195 Meudon, France
来源：
STELLAR POPULATIONS: PLANNING FOR THE NEXT DECADE | 2010年 / 262期
关键词：
galaxies: evolution; galaxies: stellar content; infrared: galaxies; DIGITAL SKY SURVEY;
D O I：
10.1017/S1743921310003005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The stellar populations of 849 local infrared-selected galaxies from SDSS and IRAS (including 419 star-forming galaxies, 326 composite galaxies, 35 Seyfert 2s, and 69 LINERs in 4 spectral classes) are studied by using STARLIGHT. Among the 4 spectral classes, the importance of young populations decreases from star-forming, composite, Seyfert 2 to LINER; and Seyfert 2 and LINER are more metal-rich; ULIGs (ultra luminous infrared galaxies) & LIGs present the youngest populations among 3 infrared luminosity bins; and normal galaxies are more metal-rich. The dominant contributors to masses are all old populations.
引用
收藏
页码：313 / +
页数：2
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