Relative band oscillator strengths for carbon monoxide: A (1)Pi-X (1)Sigma(+) transitions

被引:16
作者
Federman, SR [1 ]
Menningen, KL [1 ]
Lee, W [1 ]
Stoll, JB [1 ]
机构
[1] UNIV WISCONSIN,DEPT PHYS,WHITEWATER,WI 53190
基金
美国国家航空航天局; 美国国家科学基金会;
关键词
ISM; molecules; molecular data; ultraviolet;
D O I
10.1086/310524
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Band oscillator strengths for CO transitions between the electronic states A(1)II and X(1) Sigma(+) were measured via absorption with a synchrotron radiation source. When referenced to the well-characterized (5, 0) band oscillator strength, our relative values for the (7, 0) to (11, 0) bands are most consistent with the recent experiments of Chan et al. and the theoretical predictions of Kirby & Cooper. Since the results from various laboratory techniques and theory now agree, analyses of interstellar CO based on absorption from A-X bands are no longer hindered by uncertainties in oscillator strength.
引用
收藏
页码:L61 / L64
页数:4
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