基于闪光谱视频分析的日食太阳半径估算
太阳与恒星天体物理
2021-09-30 v1
摘要
2017年8月21日日全食期间,日食太阳半径估计为 (在 处),且无明显波长依赖。该测量通过对在 umbral 阴影路径南界记录的日食闪光谱视频进行分析获得。我们的分析通过从闪光谱中提取光变曲线,并将其与模拟光变曲线进行比较来进行。模拟通过对临边昏暗函数(LDF)在光球暴露区域上积分完成。这些数值积分依赖于对月球与太阳边缘相对运动的非常精确的计算。
引用
@article{arxiv.2107.09416,
title = {Estimation of the Eclipse Solar Radius by Flash Spectrum Video Analysis},
author = {Luca Quaglia and John Irwin and Konstantinos Emmanouilidis and Alessandro Pessi},
journal= {arXiv preprint arXiv:2107.09416},
year = {2021}
}
备注
22 pages, 19 figures. This is the Accepted Manuscript version of an article accepted for publication in The Astrophysical Journal Supplement Series. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it