Abstract

摘要: 为研究不透明度对日冕软X射线的影响,利用光子逃逸因子的基本理论,分析了不透明度对太阳日冕OⅧ光谱线强度比的影响,讨论了OⅧ 1.879nm光谱线的光学厚度,估算了太阳等离子体中OⅧ离子的辐射层有效厚度. 结果表明,不透明度对太阳 OⅧ光谱线有较大影响,其辐射层有效厚度比其他太阳紫外谱线大. 此研究对太阳等离子体发射层特性诊断具有重要参考意义. 关键词: 逃逸因子 / 不透明度 / OⅧ光谱线 / 光学厚度

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