{"id":"https://openalex.org/W7214115134","doi":"https://doi.org/10.3847/1538-4357/aeab8f","title":"CME Kinematics with Optical Flow: Multicoronagraph Insights into Internal Velocity Dispersion","display_name":"CME Kinematics with Optical Flow: Multicoronagraph Insights into Internal Velocity Dispersion","publication_year":2026,"publication_date":"2026-10-26","ids":{"openalex":"https://openalex.org/W7214115134","doi":"https://doi.org/10.3847/1538-4357/aeab8f"},"language":"en","primary_location":{"id":"doi:10.3847/1538-4357/aeab8f","doi":"https://doi.org/10.3847/1538-4357/aeab8f","is_oa":true,"landing_page_url":"https://doi.org/10.3847/1538-4357/aeab8f","pdf_url":null,"source":{"id":"https://openalex.org/S1980519","display_name":"The Astrophysical Journal","issn_l":"0004-637X","issn":["0004-637X","1538-4357"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-1","ki-jl-1","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Astrophysical Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.3847/1538-4357/aeab8f","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5152569101","display_name":"Pritam Das","orcid":"https://orcid.org/0009-0005-9842-709X","observed_orcids":["https://orcid.org/0009-0005-9842-709X"]},"institutions":[{"id":"https://openalex.org/I139858224","display_name":"M.J.P. Rohilkhand University","ror":"https://ror.org/02e3nay30","country_code":"IN","type":"education","lineage":["https://openalex.org/I139858224"]},{"id":"https://openalex.org/I2803025293","display_name":"Aryabhatta Research Institute of Observational Sciences","ror":"https://ror.org/02t4nyn12","country_code":"IN","type":"facility","lineage":["https://openalex.org/I2799351866","https://openalex.org/I2803025293","https://openalex.org/I4210098748","https://openalex.org/I4210134808"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Pritam Das","raw_affiliation_strings":["Aryabhatta Research Institute of Observational Sciences","Mahatma Jyotiba Phule Rohilkhand University"],"raw_orcid":"https://orcid.org/0009-0005-9842-709X","affiliations":[{"raw_affiliation_string":"Aryabhatta Research Institute of Observational Sciences","institution_ids":["https://openalex.org/I2803025293"]},{"raw_affiliation_string":"Mahatma Jyotiba Phule Rohilkhand University","institution_ids":["https://openalex.org/I139858224"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5119922552","display_name":"Vaibhav Pant","orcid":"https://orcid.org/0000-0002-6954-2276","observed_orcids":["https://orcid.org/0000-0002-6954-2276"]},"institutions":[{"id":"https://openalex.org/I68891433","display_name":"Indian Institute of Technology Delhi","ror":"https://ror.org/049tgcd06","country_code":"IN","type":"education","lineage":["https://openalex.org/I68891433"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Vaibhav Pant","raw_affiliation_strings":["Indian Institute of Technology Delhi"],"raw_orcid":"https://orcid.org/0000-0002-6954-2276","affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Delhi","institution_ids":["https://openalex.org/I68891433"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012692211","display_name":"Neeraj Rathore","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I139858224","display_name":"M.J.P. Rohilkhand University","ror":"https://ror.org/02e3nay30","country_code":"IN","type":"education","lineage":["https://openalex.org/I139858224"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Neeraj Rathore","raw_affiliation_strings":["Bareilly College"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bareilly College","institution_ids":["https://openalex.org/I139858224"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5119922552"],"corresponding_institution_ids":["https://openalex.org/I68891433"],"apc_list":{"value":4499,"currency":"USD","value_usd":4499},"apc_paid":{"value":4499,"currency":"USD","value_usd":4499},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.71045062,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"1011","issue":"1","first_page":"50","last_page":"50"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10251","display_name":"Solar and Space Plasma Dynamics","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10251","display_name":"Solar and Space Plasma Dynamics","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11484","display_name":"Adaptive optics and wavefront sensing","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/coronal-mass-ejections","display_name":"coronal mass ejections","score":1.0},{"id":"https://openalex.org/keywords/optical-flow","display_name":"optical flow","score":0.8019999861717224},{"id":"https://openalex.org/keywords/impulsive-acceleration","display_name":"impulsive acceleration","score":0.7620000243186951},{"id":"https://openalex.org/keywords/self-similarity","display_name":"self-similarity","score":0.722000002861023},{"id":"https://openalex.org/keywords/metis","display_name":"M\u00e9tis","score":0.8600000143051147},{"id":"https://openalex.org/keywords/solar-orbiter","display_name":"Solar Orbiter","score":0.7509999871253967}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6348999738693237},{"id":"https://openalex.org/C39920418","wikidata":"https://www.wikidata.org/wiki/Q11476","display_name":"Kinematics","level":2,"score":0.5940999984741211},{"id":"https://openalex.org/C2776481522","wikidata":"https://www.wikidata.org/wiki/Q40218","display_name":"Orbiter","level":2,"score":0.5726000070571899},{"id":"https://openalex.org/C72886185","wikidata":"https://www.wikidata.org/wiki/Q129890","display_name":"Coronal mass ejection","level":4,"score":0.554099977016449},{"id":"https://openalex.org/C117896860","wikidata":"https://www.wikidata.org/wiki/Q11376","display_name":"Acceleration","level":2,"score":0.47850000858306885},{"id":"https://openalex.org/C2777551076","wikidata":"https://www.wikidata.org/wiki/Q842332","display_name":"Front (military)","level":2,"score":0.45570001006126404},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.4318000078201294},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.40950000286102295},{"id":"https://openalex.org/C177562468","wikidata":"https://www.wikidata.org/wiki/Q182893","display_name":"Dispersion (optics)","level":2,"score":0.40630000829696655},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.37689998745918274},{"id":"https://openalex.org/C2778696333","wikidata":"https://www.wikidata.org/wiki/Q5505900","display_name":"Front velocity","level":3,"score":0.3538999855518341},{"id":"https://openalex.org/C165699331","wikidata":"https://www.wikidata.org/wiki/Q461533","display_name":"Wavefront","level":2,"score":0.3440999984741211},{"id":"https://openalex.org/C92624490","wikidata":"https://www.wikidata.org/wiki/Q210316","display_name":"Cold front","level":2,"score":0.3418999910354614},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.33730000257492065},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.3165000081062317},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.3151000142097473},{"id":"https://openalex.org/C125245961","wikidata":"https://www.wikidata.org/wiki/Q221656","display_name":"Brightness","level":2,"score":0.3149999976158142},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.31470000743865967},{"id":"https://openalex.org/C2984546109","wikidata":"https://www.wikidata.org/wiki/Q7922861","display_name":"Vertical velocity","level":2,"score":0.3100000023841858},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3019999861717224},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.29510000348091125},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.2874999940395355},{"id":"https://openalex.org/C127529279","wikidata":"https://www.wikidata.org/wiki/Q637450","display_name":"Velocity dispersion","level":3,"score":0.2870999872684479},{"id":"https://openalex.org/C165231844","wikidata":"https://www.wikidata.org/wiki/Q160669","display_name":"Mach number","level":2,"score":0.2831999957561493},{"id":"https://openalex.org/C166693061","wikidata":"https://www.wikidata.org/wiki/Q5462119","display_name":"Flow velocity","level":3,"score":0.2793999910354614},{"id":"https://openalex.org/C181341577","wikidata":"https://www.wikidata.org/wiki/Q217361","display_name":"Group velocity","level":2,"score":0.2777999937534332},{"id":"https://openalex.org/C107551265","wikidata":"https://www.wikidata.org/wiki/Q1458245","display_name":"Displacement (psychology)","level":2,"score":0.26350000500679016},{"id":"https://openalex.org/C26682833","wikidata":"https://www.wikidata.org/wiki/Q13824","display_name":"Phase velocity","level":2,"score":0.2628999948501587},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.2603999972343445}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3847/1538-4357/aeab8f","doi":"https://doi.org/10.3847/1538-4357/aeab8f","is_oa":true,"landing_page_url":"https://doi.org/10.3847/1538-4357/aeab8f","pdf_url":null,"source":{"id":"https://openalex.org/S1980519","display_name":"The Astrophysical Journal","issn_l":"0004-637X","issn":["0004-637X","1538-4357"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-1","ki-jl-1","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Astrophysical Journal","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2609.25904","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.25904","pdf_url":"https://arxiv.org/pdf/2609.25904","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:doaj.org/article:acc9a9c077254589a74e1a7e05e332c5","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/acc9a9c077254589a74e1a7e05e332c5","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"The Astrophysical Journal, Vol 1011, Iss 1, p 50 (2026)","raw_type":"article"},{"id":"doi:10.48550/arxiv.2609.25904","doi":"https://doi.org/10.48550/arxiv.2609.25904","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.25904","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.3847/1538-4357/aeab8f","doi":"https://doi.org/10.3847/1538-4357/aeab8f","is_oa":true,"landing_page_url":"https://doi.org/10.3847/1538-4357/aeab8f","pdf_url":null,"source":{"id":"https://openalex.org/S1980519","display_name":"The Astrophysical Journal","issn_l":"0004-637X","issn":["0004-637X","1538-4357"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-1","ki-jl-1","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Astrophysical Journal","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G1842063842","display_name":null,"funder_award_id":"C4000134088","funder_id":"https://openalex.org/F4320321454","funder_display_name":"Belgian Federal Science Policy Office"},{"id":"https://openalex.org/G8180726906","display_name":null,"funder_award_id":"BELSPO/PRODEX PEA C4000134088","funder_id":"https://openalex.org/F4320321454","funder_display_name":"Belgian Federal Science Policy Office"}],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320312931","display_name":"UK Space Agency","ror":"https://ror.org/051sgbe98"},{"id":"https://openalex.org/F4320318240","display_name":"European Space Agency","ror":"https://ror.org/03wd9za21"},{"id":"https://openalex.org/F4320320719","display_name":"Department of Science and Technology, Ministry of Science and Technology, India","ror":"https://ror.org/0101xrq71"},{"id":"https://openalex.org/F4320321454","display_name":"Belgian Federal Science Policy Office","ror":"https://ror.org/01fapfv42"},{"id":"https://openalex.org/F4320321519","display_name":"Centre National d\u2019Etudes Spatiales","ror":"https://ror.org/04h1h0y33"},{"id":"https://openalex.org/F4320323803","display_name":"Bundesministerium f\u00fcr Wirtschaft und Energie","ror":"https://ror.org/02vgg2808"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7214115134.pdf","grobid_xml":"https://content.openalex.org/works/W7214115134.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2074149827","https://openalex.org/W4400374284","https://openalex.org/W2947864521","https://openalex.org/W2948436616","https://openalex.org/W4414520237","https://openalex.org/W2132095497","https://openalex.org/W7214312858","https://openalex.org/W2152979029","https://openalex.org/W3210304785","https://openalex.org/W4393994062"],"abstract_inverted_index":{"Abstract":[0],"Coronal":[1],"mass":[2],"ejections":[3],"(CMEs)":[4],"exhibit":[5],"poorly":[6],"understood":[7],"internal":[8,39,86,222],"velocity":[9,40,87,94,168],"distributions.":[10],"In":[11],"this":[12,148],"work,":[13],"we":[14],"introduce":[15,53],"an":[16],"optical":[17],"flow-based":[18],"method,":[19],"DOFCAT":[20,74,238],"(Dense":[21],"Optical":[22],"Flow":[23],"CME":[24,77,99,178,244,251],"Analysis":[25],"Tool),":[26],"applied":[27],"to":[28,36,75,122],"high-resolution":[29,240],"data":[30],"from":[31,66],"ASPIICS/Proba-3":[32],"and":[33,82,101,107,119,157,192,202,224,246,253],"METIS/Solar":[34],"Orbiter":[35],"examine":[37],"the":[38,48,67,93,98,113,117,125,142,163,171,177,184,190,193,197,210,228,235],"dispersion":[41],"of":[42,96,141,237],"different":[43],"substructures":[44,226],"within":[45,227],"CMEs":[46,130,219],"in":[47,63,150,176],"Middle":[49],"Corona.":[50],"We":[51,71,145,181],"also":[52],"a":[54,132,137,166],"Gaussian-tapered":[55],"Fourier":[56],"(GTF)":[57],"filter":[58],"that":[59,92,147,196,218],"suppresses":[60],"brightness":[61],"artifacts":[62],"running-difference":[64],"images":[65],"ASPIICS":[68,81],"wideband":[69],"channel.":[70],"then":[72],"apply":[73],"four":[76],"events":[78],"observed":[79],"across":[80],"METIS,":[83],"extracting":[84],"their":[85],"information.":[88],"Our":[89,232],"results":[90,233],"show":[91,136],"profiles":[95],"both":[97],"front":[100,118,164,191,198],"core":[102,120,211],"change":[103],"with":[104,173],"position":[105],"angle":[106],"are":[108],"nonuniform.":[109],"For":[110],"impulsive":[111,126,134],"CMEs,":[112],"height":[114,143,151],"offset":[115],"between":[116,155],"begins":[121],"increase":[123,149],"following":[124],"acceleration":[127],"phase,":[128],"while":[129,209],"without":[131],"clear":[133],"phase":[135],"more":[138],"gradual":[139],"evolution":[140],"offset.":[144],"find":[146],"difference":[152],"occurs":[153],"rapidly":[154],"2.3":[156],"3.0":[158],"R":[159],"\u2299":[160],".":[161],"Furthermore,":[162],"shows":[165],"higher":[167],"spread":[169],"than":[170],"core,":[172,194],"impulsiveness":[174],"evident":[175],"leading":[179],"half.":[180],"further":[182],"compute":[183],"radial":[185],"self-similarity":[186,205],"coefficient":[187],"separately":[188],"for":[189,242],"finding":[195],"initially":[199],"expands":[200],"non-self-similarly":[201],"tends":[203],"toward":[204],"at":[206],"larger":[207],"heights,":[208],"remains":[212],"relatively":[213],"self-similar.":[214],"These":[215],"findings":[216],"confirm":[217],"contain":[220],"complex":[221],"flows":[223],"layered":[225],"traditional":[229],"three-part":[230],"morphology.":[231],"demonstrate":[234],"utility":[236],"on":[239],"coronagraphs":[241],"probing":[243],"dynamics":[245],"provide":[247],"new":[248],"insights":[249],"into":[250],"initiation":[252],"evolution.":[254]},"counts_by_year":[],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2026-09-24T00:00:00"}