KMS of Xinjiang Astronomical Observatory, CAS
| Unexpected major geomagnetic storm caused by faint eruption of a solar trans-equatorial flux rope | |
| Teng, Weilin1,2; Su, Yingna1,2; Ji, Haisheng1,3; Zhang, Qingmin1 | |
| 2024-10-24 | |
| Source Publication | NATURE COMMUNICATIONS
 |
| Volume | 15Issue:1Pages:9198 |
| Contribution Rank | 3 |
| Abstract | Some geomagnetic storms' solar origins are ambiguous, making them hard to predict. On March 23, 2023, a severe geomagnetic storm occurred, however, forecasts based on remote-sensing observations failed to predict it. Here, we show clear evidence that this storm originates from the eruption of a trans-equatorial, longitudinal and low-density magnetic flux rope (FR) with weaker coronal emission and no chromospheric signs. The FR's gentle eruption results in a faint full-halo coronal mass ejection (CME), which is missed by forecasters and not included in CME catalogs. Combining magnetic field modeling and in-situ measurements, we reveal the FR's southward axial magnetic field as the main cause of the geomagnetic storm. This CME is the stealthiest one reported causing a severe geomagnetic storm. Our study highlights that erupting trans-equatorial FRs can generate major geomagnetic storms in a stealthy way. Characteristic observational signatures of similar eruptions are proposed to help in future forecasts. Geomagnetic storms are common, and a strong one occurred on 23 March 2023. Here, the authors show that it was due to a stealthy solar coronal mass ejection originated from the faint eruption of a trans-equatorial magnetic flux rope. |
| DOI | 10.1038/s41467-024-53538-1 |
| Indexed By | SCI |
| Language | 英语 |
| WOS Keyword | CORONAL MASS EJECTIONS ; MAGNETIC CLOUDS ; INTERPLANETARY ; MISSION ; CMES ; EVOLUTION ; FILAMENT ; REGIONS ; ORIGIN ; MODEL |
| Funding Project | National Science Foundation of China | National Natural Science Foundation of China-Yunnan Joint Fund (NSFC-Yunnan Joint Fund)[12250014] ; NSFC[2022YFF0503001] ; NSFC[2022YFF0503000] ; National Key R&D Program of China[XDB0560000] ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Macao Foundation ; Xinjiang Uygur Autonomous Region |
| WOS Research Area | Science & Technology - Other Topics |
| WOS Subject | Multidisciplinary Sciences |
| WOS ID | WOS:001342098500031 |
| Publisher | NATURE PORTFOLIO |
| Funding Organization | National Science Foundation of China | National Natural Science Foundation of China-Yunnan Joint Fund (NSFC-Yunnan Joint Fund) ; NSFC ; National Key R&D Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Macao Foundation ; Xinjiang Uygur Autonomous Region |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.xao.ac.cn/handle/45760611-7/7112 |
| Collection | 中国科学院新疆天文台 |
| Corresponding Author | Su, Yingna; Ji, Haisheng |
| Affiliation | 1.Chinese Acad Sci, Key Lab Dark Matter & Space Astron, Purple Mt Observ, Nanjing 210023, Jiangsu, Peoples R China 2.Univ Sci & Technol China, Sch Astron & Space Sci, Hefei 230026, Anhui, Peoples R China 3.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Xinjiang, Peoples R China |
| Corresponding Author Affilication | Xinjiang Astronomical Observatory, Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | Teng, Weilin,Su, Yingna,Ji, Haisheng,et al. Unexpected major geomagnetic storm caused by faint eruption of a solar trans-equatorial flux rope[J]. NATURE COMMUNICATIONS,2024,15(1):9198. |
| APA | Teng, Weilin,Su, Yingna,Ji, Haisheng,&Zhang, Qingmin.(2024).Unexpected major geomagnetic storm caused by faint eruption of a solar trans-equatorial flux rope.NATURE COMMUNICATIONS,15(1),9198. |
| MLA | Teng, Weilin,et al."Unexpected major geomagnetic storm caused by faint eruption of a solar trans-equatorial flux rope".NATURE COMMUNICATIONS 15.1(2024):9198. |
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| Teng-2024-Unexpected（12713KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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