Star formation in viscous galaxy disks

被引：0
|
作者：
Slyz, A [1 ]
Burkert, A [1 ]
Devriendt, J [1 ]
Silk, J [1 ]
Prendergast, K [1 ]
机构：
[1] Max Planck Inst Astron, D-69117 Heidelberg, Germany
来源：
GALAXY DISKS AND DISK GALAXIES | 2001年 / 230卷
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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：
The Lin & Pringle (1987) model of galactic disk formation postulates that if star formation proceeds on the same timescale as the viscous redistribution of mass and angular momentum in disk galaxies, then the stars attain an exponential density profile. Their claim is that this result holds generally: regardless of the disk galaxy's initial gas and dark matter distribution and independent of the nature of the viscous processes acting in the disk. We present new results from a set of 2D hydro-simulations which investigate their analytic result.
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页码：333 / 334
页数：2
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