Galaxy splashes: The effects of collisions between gas-rich galaxy disks

被引：0

作者：

Struck, C ^{[1
]}

机构：

[1] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

来源：

12TH KINGSTON MEETING : COMPUTATIONAL ASTROPHYSICS | 1997年 / 123卷

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Results of three-dimensional (SPH) simulations of collisions between two model galaxies, each consisting of a rigid halo and a gas-rich disk component, are presented. I will focus on two topics: the gas bridges formed from shock impacts, and the gas infall out of these bridges. The bridges are predicted to have essentially no ongoing star formation, in contrast to tidal bridges but in agreement with observations of several systems. Which galaxy contributes the most gas to the bridge depends strongly on the companion orientation at impact. The companion disk is usually disrupted by the impact, but reforms via accretion from the bridge.

引用

页码：225 / 230

页数：6

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