An MSX infrared analysis of the superbubble around the giant HII region NGC3603

被引：0
|
作者：
WANG Jia & CHEN Yang Department of Astronomy
机构：
来源：
Science China(Physics,Mechanics & Astronomy) | 2010年 / S1期
基金：
中国国家自然科学基金;
关键词：
superbubble; HII region; cluster; PAH; dust;
D O I：
暂无
中图分类号：
P141.91 [红外天文学];
学科分类号：
070401 ;
摘要：
Using the MSX mid-infrared observations,we reveal a 100pc-scale superbubble surrounding the giant HII region NGC3603.We suggest that the diffuse surrounding infrared emission in bands A,C,and D is dominated by that of PAH and the emission in band E is dominated by that of dust grains.The fitted dust temperature is consistent with heating by the central cluster’s UV photons.The derived gas-to-dust mass ratio for the bubble shell is of order 102.
引用
收藏
页码：271 / 273
页数：3
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