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模拟来自冠状孔的高速太阳风流,使用拉格兰点的L5-L1配置来模拟
Tatiana Podladchikova1,2, Astrid M Veronig3,4, Manuela Temmer3
1Skolkovo Institute of Science and Technology, 121205, Moscow, Russia. t.podladchikova@skol.tech.
Scientific reports
|April 15, 2025
概括
冠状孔度和太阳倾斜显著影响太阳风的速度. 一个L5视点可以改善高速流预测,提高空间天气预报的准确性和交付时间.
科学领域:
- * 太阳物理 太阳物理
- * 太空物理学 太空物理学
- * 太空天气 * 太空天气
背景情况:
- * 冠状孔 (CHs) 是高速太阳风流 (HSSs) 的主要来源.
- *CH特性,位置和太阳风 (SW) 行为的确切关系尚未完全理解.
- *天文度 (B0角度) 影响观察到的SW速度.
研究的目的:
- * 调查CH度和B0角度对SW速度差异的影响.
- * 开发使用CH属性和L5-L1优势点模拟的HSS预测算法.
- * 提高太空天气预报的准确性和交付时间.
主要方法:
- *使用了来自STEREO-B,STEREO-A和地球的档案数据.
- *模拟了L5-L1配置,以分析SW测量上的有利位置效应.
- * 根据CH特性和B0角度开发了一个预测指标和经验标准.
主要成果:
- *CH度,特别是对于较小的孔,和B0角是SW速度变化的关键因素.
- *L5视角显著提高了HSS预测准确性和与L1.1相比的交付时间.
- * 这项研究提供了对CH-HSS关系的更精细的理解.
结论:
- *CH度和太阳倾斜是预测SW速度的关键参数.
- *一个L5视角为HSS预测和太空天气预报提供了卓越的功能.
- *开发的算法提高了预测太阳风事件的能力.
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