Spiral arm star formation in barred galaxies

被引：0
|
作者：
Baes-Fischlmair, S [1 ]
Zeilinger, WW [1 ]
Vega-Beltran, JC [1 ]
Beckman, JE [1 ]
机构：
[1] Univ Vienna, Inst Astron, A-1010 Vienna, Austria
来源：
PENETRATING BARS THROUGH MASKS OF COSMIC DUST: THE HUBBLE TUNING FORK STRIKES A NEW NOTE | 2004年 / 319卷
关键词：
galaxies : barred; stars : formation; galaxies : spiral; galaxies : structure;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The two-fold disc-wide symmetry of spiral arms is generally attributed to density waves. Densisty wave theory can also explain a modulation of the star formation pattern along the arms according to the radial relation of the site with respect to the density-wave resonances. The degree of two-fold symmetry is reduced by the presence of a bar component. This is attributed to the increased radial mixing as a result of the non-axisymmetric bar structure. In order to quantify the influence of the bar component we selected a sample of spirals with various bar strengths.
引用
收藏
页码：769 / 770
页数：2
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