Environmental dependence of galaxy age in the Main galaxy sample of SDSS DR10

被引：0
|
作者：
Deng, Xin-Fa [1 ]
机构：
[1] Nanchang Univ, Sch Sci, Nanchang 330031, Jiangxi, Peoples R China
来源：
BULLETIN OF THE ASTRONOMICAL SOCIETY OF INDIA | 2014年 / 42卷 / 02期
基金：
美国国家科学基金会; 中国国家自然科学基金;
关键词：
galaxies: fundamental parameters; galaxies: statistics; galaxies: general; DIGITAL SKY SURVEY; STAR-FORMATION RATE; MORPHOLOGY-DENSITY RELATION; COLOR-MAGNITUDE RELATION; BAND OPTICAL-PROPERTIES; STELLAR MASS; LUMINOSITY FUNCTION; FORMATION RATES; DATA RELEASE; METALLICITIES;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Using two volume-limited Main galaxy samples of the Sloan Digital Sky Survey Data Release 10 (SDSS DR10), I investigate the environmental dependence of galaxy age, and get the same conclusions in two volume-limited Main galaxy samples: old galaxies exist preferentially in the densest regions of the universe, while young galaxies are located preferentially in low density regions. Such an age-density relation is likely a combination of a strong age-stellar mass relation and the stellar mass-density relation.
引用
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页码：59 / 65
页数：7
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