OSCILLATOR-STRENGTHS FOR MG+ TRANSITIONS

被引:41
作者
HIBBERT, A
DUFTON, PL
MURRAY, MJ
YORK, DG
机构
[1] QUEENS UNIV BELFAST,DEPT PURE & APPL PHYS,BELFAST BT7 1NN,ANTRIM,NORTH IRELAND
[2] UNIV CHICAGO,CHICAGO,IL 60637
关键词
NASA;
D O I
10.1093/mnras/205.2.535
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Configuration interaction wavefunctions are used to derive oscillator strengths for transitions of the Mg+ ion, in particular that for the 3s2S-+ 4p 2P0 multiplet near 1240 A. By comparing calculations of different complexity a value for the multiplet oscillator strength of 4 x 10-4 is found with an error estimate of ± 1x10-4 . This is significantly lower than that generally used in studies of the interstellar medium and the implications of this are briefly discussed. Oscillator strengths for other transitions between 2S and 2P0 levels are also tabulated. © Royal Astronomical Society • Provided by the NASA Astrophysics Data System.
引用
收藏
页码:535 / 541
页数:7
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