Three-dimensional Propagation of the Global Extreme-ultraviolet Wave Associated with a Solar Eruption on 2021 October 28

doi:10.3847/1538-4357/ac590d

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	Three-dimensional Propagation of the Global Extreme-ultraviolet Wave Associated with a Solar Eruption on 2021 October 28
	Z. Y. Hou; H. Tian; J. S. Wang; X. X. Zhang; Q. Song; R. S. Zheng; H. C. Chen; B. Chen; X. Y. Bai; Y. J. Chen; L. P. He; K. F. Song; P. Zhang; X. Q. Hu; J. P. Dun; W. G. Zong; Y. L. Song; Y. Xu and G. Y. Tan
	2022
发表期刊	Astrophysical Journal
ISSN	0004-637X
卷号	928 期号:2 页码:10
摘要	We present a case study for the global extreme-ultraviolet (EUV) wave and its chromospheric counterpart the Moreton-Ramsey Wave associated with the second X-class flare in Solar Cycle 25 and a halo coronal mass ejection (CME). The EUV wave was observed in the H alpha and EUV passbands with different characteristic temperatures. In the 171 angstrom and 193/195 angstrom images, the wave propagates circularly with an initial velocity of 600-720 km s(-1) and a deceleration of 110-320 m s(-2). The local coronal plasma is heated from log(T/K) approximate to 5.9 to log(T/K) approximate to 6.2 during the passage of the wave front. The H alpha and 304 angstrom images also reveal signatures of wave propagation with a velocity of 310-540 km s(-1). With multiwavelength and dual-perspective observations, we found that the wave front likely propagates forwardly inclined to the solar surface with a tilt angle of similar to 53 degrees.2. Our results suggest that this EUV wave is a fast-mode magnetohydrodynamic wave or shock driven by the expansion of the associated CME, whose wave front is likely a dome-shaped structure that could impact the upper chromosphere, transition region, and corona.
DOI	10.3847/1538-4357/ac590d
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收录类别	sci
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67173
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Z. Y. Hou,H. Tian,J. S. Wang,et al. Three-dimensional Propagation of the Global Extreme-ultraviolet Wave Associated with a Solar Eruption on 2021 October 28[J]. Astrophysical Journal,2022,928(2):10.
APA	Z. Y. Hou.,H. Tian.,J. S. Wang.,X. X. Zhang.,Q. Song.,...&Y. Xu and G. Y. Tan.(2022).Three-dimensional Propagation of the Global Extreme-ultraviolet Wave Associated with a Solar Eruption on 2021 October 28.Astrophysical Journal,928(2),10.
MLA	Z. Y. Hou,et al."Three-dimensional Propagation of the Global Extreme-ultraviolet Wave Associated with a Solar Eruption on 2021 October 28".Astrophysical Journal 928.2(2022):10.

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