Triggering star formation by galaxy-galaxy interactions

被引：0
|
作者：
Tissera, PB [1 ]
Alonso, MS [1 ]
Lambas, DG [1 ]
Coldwell, G [1 ]
机构：
[1] Inst Astron & Space Sci, Conicet, Argentina
来源：
RECYCLING INTERGALACTIC AND INTERSTELLAR MATTER | 2004年 / 217期
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D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We analyzed the effects of having a close companion on the star formation activity of galaxies in the 8K galaxy pair catalog selected from the 2dFGRS. We found that, statistically, galaxies with r(p) < 25h(-1) kpc and AV < 100km s(-1) have enhanced star formation with respect to isolated galaxies with the same luminosity and redshift distribution. Our results suggest that the physical processes at work during tidal interactions can overcome the effects of environment, except in dense regions.
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页码：434 / 435
页数：2
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