博士生导师
硕士生导师
个人信息Personal Information
学历：博士研究生毕业
学位：理学博士学位
性别：男
在职信息：在岗
主要任职：天体物理中心负责人
其他任职：实测天体物理团队负责人
毕业院校：中国科学院研究生院（现国科大）
学科：天体物理. 空间物理学. 等离子体物理
所在单位：物理科学与技术学院
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[Title] Temporal Behavior and Latitudinal Relationships between Key Solar Parameters and Green Line Emissions in the Solar Corona
影响因子：11.7
DOI码：10.3847/2041-8213/adcb38
教研室：天体物理
发表刊物：The Astrophysical Journal Letters
关键字：Solar x-ray flares (1816); Active solar corona (1988); Solar activity(1475); Astronomy data analysis (1858); Solar corona (1483)
摘要：Understanding the link between solar parameters and their influence on green line emissions would help unravel the complexities of eruptive phenomena within the solar corona. This study explores the intricate relationship between green line emissions and various solar indicators, including flares, F10.7 cm flux, and sunspot numbers. Utilizing data from both ground-based and space-based sources spanning from 1996 to 2024, covering solar cycles 23 to 25, the investigation employs the multitaper and cross-correlation analyses. The study reveals distinct behaviors and contributions to green line emissions at low and high latitudes. The F10.7 cm radio flux exhibits zero lag with green line emissions, indicating that both are contemporaneously influenced by solar activity, as shown by their correlation with sunspot numbers. In contrast, B-, M-, and X-class flares typically act as precursors or aftermaths of such activity. C-class flares exhibit a pronounced positive correlation with the green line, causally linked to plasma dynamics, particularly at low latitudes. Sunspots, on the other hand, act as a leading and significant indicator of the green line with positive lag, preceding the emissions. The emissions are found to be an excellent indicator of solar activity, with an immediate response to the F10.7 cm flux and a delayed response to sunspot emergence. The differences in observed impacts could be attributed to the behavior of confined plasma within magnetic loops, influenced by factors such as solar magnetic configurations, differential rotation, and dynamo mechanisms. These factors collectively impact the global coronal structure and influence the green line across latitudes.
第一作者：Oloketuyi,J.
论文编号：003
学科门类：理学
一级学科：天文学
卷号：984
页面范围：11
ISSN号：2041-8205
是否译文：否
发表时间：2025-04-29