Diffusion and settling in Ap/Bp stars

被引：0
|
作者：
Turcotte, S [1 ]
机构：
[1] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA
来源：
INTERNATIONAL CONFERENCE ON MAGNETIC FIELDS IN O, B AND A STARS: ORIGIN AND CONNECTION TO PULSATION, ROTATION AND MASS LOSS | 2003年 / 305卷
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D O I：
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Ap/Bp stars are magnetic chemically peculiar early A and late B type stars of the main sequence. They exhibit peculiar surface abundance anomalies that are thought to be the result of gravitational settling and radiative levitation. The physics of diffusion in these stars is reviewed briefly and some model predictions are discussed. While models reproduce some observations reasonably well, more work is needed before the behavior of diffusing elements in a complex magnetic field is fully understood.
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页码：199 / 205
页数：7
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