Properties of star formation in the spiral arms of barred galaxies

被引：0
|
作者：
Baes-Fischlmair, S [1 ]
Zeilinger, WW
Vega-Beltran, JC
Beckman, JE
机构：
[1] Univ Vienna, Astron Inst, A-1010 Vienna, Austria
[2] Inst Astrofis Canarias, E-38200 San Cristobal la Laguna, Spain
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2003年 / 284卷 / 02期
关键词：
galaxies : barred; stars : formation; galaxies : spiral; galaxies : structure;
D O I：
10.1023/A:1024088214799
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
It is assumed that the two-fold disc-wide symmetry of spirals is caused by density waves, but also the potential of a bar component may have a significant influence on structural properties. The strength of the bar component appears to be anti-correlated with the degree of symmetry of star-forming regions in the spiral arms (Rozas et al., 1998). We present new results of R and Ha surface photometry of a sample of bright barred spirals. A photometric decompositon of the galaxy components is carried out in order to make a more accurate measurement of the strength of the bar and its interrelation to gas and stars in the disc.
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页码：735 / 738
页数：4
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