TRIGGERED STAR FORMATION IN SPIRAL ARMS

被引：0
|
作者：
Martinez-Garcia, E. E. [1 ]
Gonzalez-Lopezlira, R. A. [1 ]
Bruzual, C. [2 ]
机构：
[1] Univ Nacl Autonoma Mexico, Ctr Radioastron & Astrofis, Apdo Postal 3-72, Morelia 58090, Michoacan, Mexico
[2] Ctr Invest Astron, Merida 5101A, Venezuela
来源：
XII IAU REGIONAL LATIN AMERICAN MEETING | 2009年 / 35卷
关键词：
galaxies: spiral; stars: formation; GALAXIES;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present the status of our research, relative to the triggering of star formation by large-scale galactic shocks associated with spiral density waves. Around a third of the galaxies in our sample do not seem suitable for this kind of study, because they present an effect, probably due to opacity, that is not well understood. The remaining objects seem to favor the idea of density wave triggering of star formation in the arms. The comparison with stellar population synthesis models, and the orbital resonance positions for these galaxies (derived by means of spiral pattern angular speeds) corroborate this hypothesis.
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页码：231 / +
页数：2
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