Observation of a Large-Scale Filament Eruption Initiated by Two Small-Scale Erupting Filaments Pushing Out from Below
Filament eruptions often result in flares and coronal mass ejections (CMEs). Most studies attribute the filament eruptions to their instabilities or magnetic reconnection. In this study, we report a unique observation of a filament eruption whose initiation process has not been reported before. This...
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| Veröffentlicht in: | Solar physics 2024-06, Vol.299 (6), p.85, Article 85 |
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| creator | Song, Yongliang Su, Jiangtao Zhang, Qingmin Zhang, Mei Deng, Yuanyong Bai, Xianyong Liu, Suo Yang, Xiao Chen, Jie Xu, Haiqing Ji, Kaifan Hu, Ziyao |
| description | Filament eruptions often result in flares and coronal mass ejections (CMEs). Most studies attribute the filament eruptions to their instabilities or magnetic reconnection. In this study, we report a unique observation of a filament eruption whose initiation process has not been reported before. This large-scale filament, with a length of about 360 Mm crossing an active region, is forced to erupt by two small-scale erupting filaments pushing out from below. This process of multifilament eruption results in an M6.4 flare in the active region NOAA 13229 on 25 February 2023. The whole process can be divided into three stages: the eruptions of two active-region filaments, F1 and F2; the interactions between the erupting F1, F2, and the large-scale filament F3; and the eruption of F3. Though this multifilament eruption occurs near the northwest limb of the solar disk, it produces a strong halo CME that causes a significant geomagnetic disturbance. Our observations present a new filament eruption mechanism in which the initial kinetic energy of the eruption is obtained from and transported to by other erupting structures. This event provides us a unique insight into the dynamics of multifilament eruptions and their corresponding effects on the interplanetary space. |
| doi_str_mv | 10.1007/s11207-024-02327-6 |
| format | Article |
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Most studies attribute the filament eruptions to their instabilities or magnetic reconnection. In this study, we report a unique observation of a filament eruption whose initiation process has not been reported before. This large-scale filament, with a length of about 360 Mm crossing an active region, is forced to erupt by two small-scale erupting filaments pushing out from below. This process of multifilament eruption results in an M6.4 flare in the active region NOAA 13229 on 25 February 2023. The whole process can be divided into three stages: the eruptions of two active-region filaments, F1 and F2; the interactions between the erupting F1, F2, and the large-scale filament F3; and the eruption of F3. Though this multifilament eruption occurs near the northwest limb of the solar disk, it produces a strong halo CME that causes a significant geomagnetic disturbance. Our observations present a new filament eruption mechanism in which the initial kinetic energy of the eruption is obtained from and transported to by other erupting structures. This event provides us a unique insight into the dynamics of multifilament eruptions and their corresponding effects on the interplanetary space.</description><identifier>ISSN: 0038-0938</identifier><identifier>EISSN: 1573-093X</identifier><identifier>DOI: 10.1007/s11207-024-02327-6</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Astrophysics and Astroparticles ; Atmospheric Sciences ; Coronal mass ejection ; Filaments ; Interplanetary space ; Kinetic energy ; Magnetic reconnection ; Observatories ; Physics ; Physics and Astronomy ; Pushing ; Solar physics ; Space Exploration and Astronautics ; Space Sciences (including Extraterrestrial Physics ; Sun</subject><ispartof>Solar physics, 2024-06, Vol.299 (6), p.85, Article 85</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2024. 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Su, Jiangtao ; Zhang, Qingmin ; Zhang, Mei ; Deng, Yuanyong ; Bai, Xianyong ; Liu, Suo ; Yang, Xiao ; Chen, Jie ; Xu, Haiqing ; Ji, Kaifan ; Hu, Ziyao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c200t-709c1e76c3f1ee019f5dfba8c11ef6756f23860226b81d8f2522e74c8265ec263</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Astrophysics and Astroparticles</topic><topic>Atmospheric Sciences</topic><topic>Coronal mass ejection</topic><topic>Filaments</topic><topic>Interplanetary space</topic><topic>Kinetic energy</topic><topic>Magnetic reconnection</topic><topic>Observatories</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Pushing</topic><topic>Solar physics</topic><topic>Space Exploration and Astronautics</topic><topic>Space Sciences (including Extraterrestrial Physics</topic><topic>Sun</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Song, Yongliang</creatorcontrib><creatorcontrib>Su, Jiangtao</creatorcontrib><creatorcontrib>Zhang, Qingmin</creatorcontrib><creatorcontrib>Zhang, Mei</creatorcontrib><creatorcontrib>Deng, Yuanyong</creatorcontrib><creatorcontrib>Bai, Xianyong</creatorcontrib><creatorcontrib>Liu, Suo</creatorcontrib><creatorcontrib>Yang, Xiao</creatorcontrib><creatorcontrib>Chen, Jie</creatorcontrib><creatorcontrib>Xu, Haiqing</creatorcontrib><creatorcontrib>Ji, Kaifan</creatorcontrib><creatorcontrib>Hu, Ziyao</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Solar physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Song, Yongliang</au><au>Su, Jiangtao</au><au>Zhang, Qingmin</au><au>Zhang, Mei</au><au>Deng, Yuanyong</au><au>Bai, Xianyong</au><au>Liu, Suo</au><au>Yang, Xiao</au><au>Chen, Jie</au><au>Xu, Haiqing</au><au>Ji, Kaifan</au><au>Hu, Ziyao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Observation of a Large-Scale Filament Eruption Initiated by Two Small-Scale Erupting Filaments Pushing Out from Below</atitle><jtitle>Solar physics</jtitle><stitle>Sol Phys</stitle><date>2024-06-01</date><risdate>2024</risdate><volume>299</volume><issue>6</issue><spage>85</spage><pages>85-</pages><artnum>85</artnum><issn>0038-0938</issn><eissn>1573-093X</eissn><abstract>Filament eruptions often result in flares and coronal mass ejections (CMEs). 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| subjects | Astrophysics and Astroparticles Atmospheric Sciences Coronal mass ejection Filaments Interplanetary space Kinetic energy Magnetic reconnection Observatories Physics Physics and Astronomy Pushing Solar physics Space Exploration and Astronautics Space Sciences (including Extraterrestrial Physics Sun |
| title | Observation of a Large-Scale Filament Eruption Initiated by Two Small-Scale Erupting Filaments Pushing Out from Below |
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