{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1050583933990844800.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"HDL","@value":"http://hdl.handle.net/2433/290824"}},{"identifier":{"@type":"DOI","@value":"10.3847/1538-4357/ad85df"}},{"identifier":{"@type":"URI","@value":"https://iopscience.iop.org/article/10.3847/1538-4357/ad85df"}},{"identifier":{"@type":"URI","@value":"https://iopscience.iop.org/article/10.3847/1538-4357/ad85df/pdf"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@language":"en","@value":"Multiwavelength Campaign Observations of a Young Solar-type Star, EK Draconis. II. Understanding Prominence Eruption through Data-driven Modeling and Observed Magnetic Environment"}],"dc:language":"en","description":[{"type":"Abstract","notation":[{"@language":"en","@value":"EK Draconis, a nearby young solar-type star (G1.5V, 50-120 Myr), is known as one of the best proxies for inferring the environmental conditions of the young Sun. The star frequently produces superflares, and Paper I presented the first evidence of an associated gigantic prominence eruption observed as a blueshifted Hα Balmer line emission. In this paper, we present the results of the dynamical modeling of the stellar eruption and examine its relationship to the surface starspots and large-scale magnetic fields observed concurrently with the event. By performing a 1D freefall dynamical model and a 1D hydrodynamic simulation of the flow along the expanding magnetic loop, we found that the prominence eruption likely occurred near the stellar limb ([+5]12[-5]-[+7]16[-7] degrees from the limb) and was ejected at an angle of [+6]15[-5]-[+6]24[-6] degrees relative to the line of sight, and the magnetic structures can expand into a coronal mass ejection. The observed prominence displayed a terminal velocity of ∼0 km s⁻¹ prior to disappearance, complicating the interpretation of its dynamics in Paper I. The models in this paper suggest that prominence's Hα intensity diminishes at around or before its expected maximum height, explaining the puzzling time evolution in observations. The Transiting Exoplanet Survey Satellite light curve modeling and (Zeeman) Doppler Imaging revealed large midlatitude spots with polarity inversion lines and one polar spot with dominant single polarity, all near the stellar limb during the eruption. This suggests that midlatitude spots could be the source of the gigantic prominence we reported in Paper I. These results provide valuable insights into the dynamic processes that likely influenced the environments of early Earth, Mars, Venus, and young exoplanets."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1420582263744589056","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"30987524"},{"@type":"NRID","@value":"1000030987524"},{"@type":"ORCID","@value":"0000-0002-1297-9485"}],"foaf:name":[{"@language":"en","@value":"Namekata, Kosuke"},{"@language":"ja","@value":"行方, 宏介"}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844801","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Ikuta, Kai"}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844812","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Petit, Pascal"}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844809","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Airapetian, Vladimir S."}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844807","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Vidotto, Aline A."}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844804","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Heinzel, Petr"}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844808","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Wollmann, Jiří"}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844815","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Maehara, Hiroyuki"}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844813","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Notsu, Yuta"}]},{"@id":"https://cir.nii.ac.jp/crid/1030581456520393728","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Inoue, Shun"},{"@language":"ja","@value":"井上, 峻"}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844803","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Marsden, Stephen"}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844810","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Morin, Julien"}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844800","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Jeffers, Sandra V."}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844806","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Neiner, Coralie"}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844817","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Paudel, Rishi R."}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844816","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Avramova-Boncheva, Antoaneta A."}]},{"@id":"https://cir.nii.ac.jp/crid/1070583933990844802","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Gendreau, Keith"}]},{"@id":"https://cir.nii.ac.jp/crid/1420564276176857728","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"70144178"},{"@type":"NRID","@value":"1000070144178"},{"@type":"CINII_AUTHOR_ID","@value":"DA10967417"},{"@type":"URI","@value":"https://ci.nii.ac.jp/author/DA10967417#entity"},{"@type":"URI","@value":"https://viaf.org/viaf/NII%7CDA10967417"},{"@type":"NRID","@value":"9000364778126"},{"@type":"NRID","@value":"9000006350908"},{"@type":"NRID","@value":"9000004778685"},{"@type":"NRID","@value":"9000237924694"},{"@type":"NRID","@value":"9000237870982"},{"@type":"NRID","@value":"9000237870333"},{"@type":"NRID","@value":"9000297477012"},{"@type":"NRID","@value":"9000018351740"},{"@type":"NRID","@value":"9000395382721"},{"@type":"NRID","@value":"9000014144869"},{"@type":"NRID","@value":"9000006206843"},{"@type":"NRID","@value":"9000344128598"},{"@type":"NRID","@value":"9000006552651"},{"@type":"NRID","@value":"9000023106315"},{"@type":"NRID","@value":"9000323844371"},{"@type":"NRID","@value":"9000253258002"},{"@type":"NRID","@value":"9000401948532"},{"@type":"NRID","@value":"9000255935456"},{"@type":"NRID","@value":"9000241460235"},{"@type":"NRID","@value":"9000346921254"},{"@type":"NRID","@value":"9000025015421"},{"@type":"NRID","@value":"9000007274926"},{"@type":"NRID","@value":"9000237873387"},{"@type":"NRID","@value":"9000256111713"},{"@type":"NRID","@value":"9000255727956"},{"@type":"NRID","@value":"9000009493780"},{"@type":"NRID","@value":"9000009494934"},{"@type":"NRID","@value":"9000014585749"},{"@type":"NRID","@value":"9000364773944"},{"@type":"NRID","@value":"9000000649206"},{"@type":"NRID","@value":"9000237871051"},{"@type":"NRID","@value":"9000237873398"},{"@type":"NRID","@value":"9000014152488"},{"@type":"NRID","@value":"9000237871086"},{"@type":"NRID","@value":"9000310741718"},{"@type":"NRID","@value":"9000254740374"},{"@type":"NRID","@value":"9000401948618"},{"@type":"NRID","@value":"9000401946454"},{"@type":"NRID","@value":"9000009493991"},{"@type":"NRID","@value":"9000022832447"},{"@type":"NRID","@value":"9000237870951"},{"@type":"NRID","@value":"9000237870907"},{"@type":"NRID","@value":"9000401948630"},{"@type":"NRID","@value":"9000391980733"},{"@type":"NRID","@value":"9000258441735"},{"@type":"NRID","@value":"9000009630603"},{"@type":"NRID","@value":"9000244901587"},{"@type":"NRID","@value":"9000237871297"},{"@type":"NRID","@value":"9000237871271"},{"@type":"NRID","@value":"9000009493844"},{"@type":"NRID","@value":"9000009494532"},{"@type":"NRID","@value":"9000237871140"},{"@type":"NRID","@value":"9000237870970"},{"@type":"NRID","@value":"9000237871324"},{"@type":"NRID","@value":"9000344128597"},{"@type":"NRID","@value":"9000403553659"},{"@type":"NRID","@value":"9000018520855"},{"@type":"NRID","@value":"9000000512875"},{"@type":"NRID","@value":"9000017677107"},{"@type":"NRID","@value":"9000237870876"},{"@type":"NRID","@value":"9000244901876"},{"@type":"NRID","@value":"9000009495071"},{"@type":"NRID","@value":"9000237871173"},{"@type":"NRID","@value":"9000242937325"},{"@type":"NRID","@value":"9000246809140"},{"@type":"NRID","@value":"9000397961734"},{"@type":"NRID","@value":"9000389001562"},{"@type":"NRID","@value":"9000397824385"},{"@type":"NRID","@value":"9000014143665"},{"@type":"NRID","@value":"9000253150839"},{"@type":"NRID","@value":"9000014151472"},{"@type":"NRID","@value":"9000237871169"},{"@type":"NRID","@value":"9000341541964"},{"@type":"NRID","@value":"9000397829317"},{"@type":"NRID","@value":"9000397829340"},{"@type":"NRID","@value":"9000362185157"},{"@type":"NRID","@value":"9000278471477"},{"@type":"NRID","@value":"9000007589799"},{"@type":"NRID","@value":"9000281371408"},{"@type":"NRID","@value":"9000345444439"},{"@type":"NRID","@value":"9000009493883"},{"@type":"NRID","@value":"9000017677126"},{"@type":"NRID","@value":"9000237873388"},{"@type":"NRID","@value":"9000285477545"},{"@type":"NRID","@value":"9000401948682"},{"@type":"NRID","@value":"9000404786461"},{"@type":"NRID","@value":"9000242720696"},{"@type":"NRID","@value":"9000403310750"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0049257"}],"foaf:name":[{"@language":"en","@value":"Shibata, Kazunari"},{"@language":"ja","@value":"柴田, 一成"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"0004637X"},{"@type":"EISSN","@value":"15384357"}],"prism:publicationName":[{"@language":"en","@value":"The Astrophysical Journal"}],"dc:publisher":[{"@value":"IOP Publishing"}],"prism:publicationDate":"2024-12-01","prism:volume":"976","prism:number":"2","prism:startingPage":"255"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI."],"url":[{"@id":"https://iopscience.iop.org/article/10.3847/1538-4357/ad85df"},{"@id":"https://iopscience.iop.org/article/10.3847/1538-4357/ad85df/pdf"}],"project":[{"@id":"https://cir.nii.ac.jp/crid/1040287907237130880","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"21H01131"},{"@type":"JGN","@value":"JP21H01131"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21H01131/"}],"notation":[{"@language":"ja","@value":"恒星スーパーフレア解明のための太陽フレアのThe-Sun-as-a-star研究"},{"@language":"en","@value":"The-Sun-as-a-star study of solar flares for understanding of stellar superflares"}]},{"@id":"https://cir.nii.ac.jp/crid/1040581224890233856","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"24K17082"},{"@type":"JGN","@value":"JP24K17082"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24K17082/"}],"notation":[{"@language":"ja","@value":"データ科学と測光分光観測による恒星表面磁気活動の探査"},{"@language":"en","@value":"Exploring stellar magnetic activity from photometric and spectroscopic observations with astrostatistics"}]},{"@id":"https://cir.nii.ac.jp/crid/1040581301858680576","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"24K00680"},{"@type":"JGN","@value":"JP24K00680"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24K00680/"}],"notation":[{"@language":"ja","@value":"系外惑星系の宇宙天気の解明のための太陽恒星磁気活動の比較研究"},{"@language":"en","@value":"Comparative Study of Solar and Stellar Magnetic Activity for Understanding of Space Weather of Exoplanets"}]},{"@id":"https://cir.nii.ac.jp/crid/1040581456520393728","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"24KJ1483"},{"@type":"JGN","@value":"JP24KJ1483"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24KJ1483/"}],"notation":[{"@language":"ja","@value":"多波長観測で明らかにする恒星磁気活動とその惑星形成への影響"}]},{"@id":"https://cir.nii.ac.jp/crid/1040862776835393536","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"24K00685"},{"@type":"JGN","@value":"JP24K00685"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24K00685/"}],"notation":[{"@language":"ja","@value":"Hα線高時間分解能観測で迫る恒星フレアに伴うプラズマ噴出現象"},{"@language":"en","@value":"Unveiling the nature of stellar mass ejections associated with superflares with time-resolved H-alpha spectroscopy"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050282810703105792","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Solar Flares: Magnetohydrodynamic Processes"}]},{"@id":"https://cir.nii.ac.jp/crid/1050295956119976960","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Discovery of a Long-duration Superflare on a Young Solar-type Star EK Draconis with Nearly Similar Time Evolution for H alpha and White-light Emissions"},{"@value":"Discovery of a Long-duration Superflare on a Young Solar-type Star EK Draconis with Nearly Similar Time Evolution for Hα and White-light Emissions"},{"@value":"Discovery of a long-duration superflare on a young solar-type star EK Draconis with nearly similar time evolution for Ha and white-light emissions"}]},{"@id":"https://cir.nii.ac.jp/crid/1050296575288219008","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Starspot Mapping with Adaptive Parallel Tempering. 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