H-alpha谱线散射偏振与Hanle效应作为色球磁场的探针:建模与观测对比
太阳与恒星天体物理
2011-02-25 v1
摘要
强谱线中的Hanle效应是应越来越多地用于定量探索宁静太阳色球等离子体磁性的物理机制。本文通过多能级辐射传输计算和新的光谱偏振观测表明,H-alpha谱线的散射偏振轮廓的幅度和形状对色球磁场的强度和结构非常敏感。基于一维辐射传输建模对观测结果的解释表明,宁静太阳的上色球层存在一个突发的磁化过程。
引用
@article{arxiv.1102.4941,
title = {Scattering polarization and the Hanle effect in H-alpha as a probe of chromospheric magnetism: Modeling vs. Observations},
author = {Jiri Stepan and Javier Trujillo Bueno and Renzo Ramelli and Michele Bianda},
journal= {arXiv preprint arXiv:1102.4941},
year = {2011}
}
备注
7 figures, to appear in the proceedings of the "Solar Polarization Workshop 6", ASP Conf. Ser., 437