{"id":"https://openalex.org/W7220727872","doi":"https://doi.org/10.3847/1538-4357/aeae26","title":"Feedback-driven Interaction of Expanding Molecular Clouds in the LDN 1204\u2013Sh 2-145\u2013Sh 2-140 Complex","display_name":"Feedback-driven Interaction of Expanding Molecular Clouds in the LDN 1204\u2013Sh 2-145\u2013Sh 2-140 Complex","publication_year":2026,"publication_date":"2026-10-27","ids":{"openalex":"https://openalex.org/W7220727872","doi":"https://doi.org/10.3847/1538-4357/aeae26"},"language":"en","primary_location":{"id":"doi:10.3847/1538-4357/aeae26","doi":"https://doi.org/10.3847/1538-4357/aeae26","is_oa":true,"landing_page_url":"https://doi.org/10.3847/1538-4357/aeae26","pdf_url":"https://iopscience.iop.org/article/10.3847/1538-4357/aeae26/pdf","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","indexed_in":["arxiv","crossref","datacite","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://iopscience.iop.org/article/10.3847/1538-4357/aeae26/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5157742142","display_name":"C Rishi","orcid":"https://orcid.org/0009-0007-6397-3220","observed_orcids":["https://orcid.org/0009-0007-6397-3220"]},"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":"C. Rishi","raw_affiliation_strings":["Aryabhatta Research Institute of Observational Sciences (ARIES)","Mahatma Jyotiba Phule Rohilkhand University"],"raw_orcid":"https://orcid.org/0009-0007-6397-3220","affiliations":[{"raw_affiliation_string":"Aryabhatta Research Institute of Observational Sciences (ARIES)","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/A5020972989","display_name":"Neelam Panwar","orcid":"https://orcid.org/0000-0002-0151-2361","observed_orcids":["https://orcid.org/0000-0002-0151-2361"]},"institutions":[{"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":"Neelam Panwar","raw_affiliation_strings":["Aryabhatta Research Institute of Observational Sciences (ARIES)"],"raw_orcid":"https://orcid.org/0000-0002-0151-2361","affiliations":[{"raw_affiliation_string":"Aryabhatta Research Institute of Observational Sciences (ARIES)","institution_ids":["https://openalex.org/I2803025293"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5157704174","display_name":"L. K. Dewangan","orcid":"https://orcid.org/0000-0001-6725-0483","observed_orcids":["https://orcid.org/0000-0001-6725-0483"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"L. K. Dewangan","raw_affiliation_strings":["Astronomy & Astrophysics Division"],"raw_orcid":"https://orcid.org/0000-0001-6725-0483","affiliations":[{"raw_affiliation_string":"Astronomy & Astrophysics Division","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5157747371","display_name":"Ajay Kumar Singh","orcid":"https://orcid.org/0000-0001-7881-7748","observed_orcids":["https://orcid.org/0000-0001-7881-7748"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ajay Kumar Singh","raw_affiliation_strings":["Department of Applied Physics/Physics"],"raw_orcid":"https://orcid.org/0000-0001-7881-7748","affiliations":[{"raw_affiliation_string":"Department of Applied Physics/Physics","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"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":0.75598499,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"1011","issue":"1","first_page":"77","last_page":"77"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10477","display_name":"Astrophysics and Star Formation Studies","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/T10477","display_name":"Astrophysics and Star Formation Studies","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/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","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/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"}}],"keywords":[{"id":"https://openalex.org/keywords/stellar-feedback","display_name":"stellar feedback","score":0.9269999861717224},{"id":"https://openalex.org/keywords/hub-filament-systems","display_name":"hub-filament systems","score":0.8240000009536743},{"id":"https://openalex.org/keywords/h-ii-regions","display_name":"H II regions","score":0.8159999847412109},{"id":"https://openalex.org/keywords/young-stellar-objects","display_name":"young stellar objects","score":0.7110000252723694},{"id":"https://openalex.org/keywords/velocity-dispersion","display_name":"velocity dispersion","score":0.6980000138282776},{"id":"https://openalex.org/keywords/cloud-interaction","display_name":"cloud interaction","score":0.4560000002384186},{"id":"https://openalex.org/keywords/star-formation","display_name":"star formation","score":0.6499999761581421},{"id":"https://openalex.org/keywords/dense-filaments","display_name":"dense filaments","score":0.6549999713897705},{"id":"https://openalex.org/keywords/molecular-cloud-dynamics","display_name":"molecular cloud dynamics","score":0.3490000069141388}],"concepts":[{"id":"https://openalex.org/C86021447","wikidata":"https://www.wikidata.org/wiki/Q272447","display_name":"Molecular cloud","level":3,"score":0.8027999997138977},{"id":"https://openalex.org/C125857072","wikidata":"https://www.wikidata.org/wiki/Q16744","display_name":"Star formation","level":3,"score":0.6890000104904175},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6647999882698059},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.6468999981880188},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.5267000198364258},{"id":"https://openalex.org/C23254167","wikidata":"https://www.wikidata.org/wiki/Q497654","display_name":"Young stellar object","level":4,"score":0.4447999894618988},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.4359999895095825},{"id":"https://openalex.org/C2780897414","wikidata":"https://www.wikidata.org/wiki/Q7600592","display_name":"Star (game theory)","level":2,"score":0.37400001287460327},{"id":"https://openalex.org/C168167062","wikidata":"https://www.wikidata.org/wiki/Q1117970","display_name":"Component (thermodynamics)","level":2,"score":0.3734999895095825},{"id":"https://openalex.org/C158355884","wikidata":"https://www.wikidata.org/wiki/Q11388","display_name":"Infrared","level":2,"score":0.3711000084877014},{"id":"https://openalex.org/C18797539","wikidata":"https://www.wikidata.org/wiki/Q204903","display_name":"Protostar","level":4,"score":0.32089999318122864},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.3154999911785126},{"id":"https://openalex.org/C2781052500","wikidata":"https://www.wikidata.org/wiki/Q2230313","display_name":"Shell (structure)","level":2,"score":0.31459999084472656},{"id":"https://openalex.org/C2780551164","wikidata":"https://www.wikidata.org/wiki/Q2306599","display_name":"Column (typography)","level":3,"score":0.2994000017642975},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.2574000060558319},{"id":"https://openalex.org/C179254644","wikidata":"https://www.wikidata.org/wiki/Q13222844","display_name":"Moment (physics)","level":2,"score":0.2540000081062317}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3847/1538-4357/aeae26","doi":"https://doi.org/10.3847/1538-4357/aeae26","is_oa":true,"landing_page_url":"https://doi.org/10.3847/1538-4357/aeae26","pdf_url":"https://iopscience.iop.org/article/10.3847/1538-4357/aeae26/pdf","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:2610.04421","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.04421","pdf_url":"https://arxiv.org/pdf/2610.04421","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:16ed8ddbfbbb4dfc80c8b0fa12a856bb","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/16ed8ddbfbbb4dfc80c8b0fa12a856bb","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 77 (2026)","raw_type":"article"},{"id":"doi:10.48550/arxiv.2610.04421","doi":"https://doi.org/10.48550/arxiv.2610.04421","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2610.04421","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/aeae26","doi":"https://doi.org/10.3847/1538-4357/aeae26","is_oa":true,"landing_page_url":"https://doi.org/10.3847/1538-4357/aeae26","pdf_url":"https://iopscience.iop.org/article/10.3847/1538-4357/aeae26/pdf","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/G4805126278","display_name":null,"funder_award_id":"CRG/2021/005876","funder_id":"https://openalex.org/F4320334771","funder_display_name":"Science and Engineering Research Board"}],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320309398","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055"},{"id":"https://openalex.org/F4320332375","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916"},{"id":"https://openalex.org/F4320334771","display_name":"Science and Engineering Research Board","ror":"https://ror.org/03ffdsr55"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7220727872.pdf","grobid_xml":"https://content.openalex.org/works/W7220727872.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4417347286","https://openalex.org/W7171979940","https://openalex.org/W2049379016","https://openalex.org/W7204758745","https://openalex.org/W4307983209","https://openalex.org/W1996739833","https://openalex.org/W2105182110","https://openalex.org/W7113364985","https://openalex.org/W4416832882","https://openalex.org/W4413997579"],"abstract_inverted_index":{"Abstract":[0],"We":[1],"present":[2],"a":[3,105],"multiwavelength":[4],"study":[5],"of":[6,73,94,140,168,205,247],"an":[7,133,146],"extended":[8],"molecular":[9,260],"cloud":[10,28,108,172,249],"hosting":[11],"the":[12,23,62,92,95,141,165,169,200,203,226,229,232,244],"LDN":[13,63,66,160,215],"1204,":[14],"Sh":[15,18,96],"2-145,":[16],"and":[17,30,50,65,78,122,144,210,223,237,256],"2-140":[19],"regions":[20],"to":[21,117,124],"investigate":[22],"interplay":[24],"between":[25],"stellar":[26,175],"feedback,":[27],"dynamics,":[29],"star":[31,212,239,257],"formation.":[32,240],"Infrared":[33],"images":[34],"reveal":[35,104,191],"two":[36,111,170],"semi-arc/shell-like":[37],"structures":[38],"(extent":[39],"\u223c14\u201318":[40],"pc)":[41],"associated":[42,155],"with":[43,69],"known":[44],"massive":[45,142],"O-type":[46],"stars.":[47],"Herschel":[48],"temperature":[49],"column":[51,71],"density":[52],"maps":[53,190],"identify":[54],"one":[55,139],"hub-filament":[56],"system":[57],"(HFS)":[58],"candidate":[59,208],"toward":[60,184],"both":[61],"1204A":[64],"1204B":[67],"subregions,":[68,186],"peak":[70],"densities":[72],"\u223c3.1":[74],"\u00d7":[75,80],"10":[76,81],"23":[77,82],"\u223c1.3":[79],"cm":[83],"\u22122":[84],",":[85],"respectively.":[86],"These":[87,241],"subregions":[88,161,217],"are":[89,162,182],"located":[90,163],"at":[91,164,199,228],"periphery":[93],"2-145":[97],"H":[98,156],"ii":[99,157],"region.":[100,158],"Molecular":[101],"line":[102],"data":[103],"large":[106],"arc-/shell-like":[107,134],"resolved":[109],"into":[110],"kinematically":[112],"distinct":[113],"components":[114],"spanning":[115],"\u223c\u221215":[116],"\u22129.5":[118],"km":[119,126],"s":[120,127],"\u22121":[121,128],"\u223c\u22129":[123],"\u22123":[125],".":[129],"Each":[130],"component":[131],"exhibits":[132],"morphology,":[135],"is":[136],"centered":[137],"on":[138],"stars,":[143],"displays":[145],"inverted-C-shaped":[147],"position\u2013velocity":[148],"structure,":[149],"indicating":[150],"expansion":[151,222],"driven":[152],"by":[153],"its":[154],"Both":[159],"projected":[166],"interface":[167],"expanding":[171],"components.":[173],"Young":[174],"objects":[176],"(YSOs),":[177],"particularly":[178],"Class":[179],"I":[180],"YSOs,":[181],"concentrated":[183],"these":[185],"while":[187],"moment":[188],"2":[189],"enhanced":[192],"velocity":[193],"dispersion,":[194],"suggesting":[195],"increased":[196],"turbulent":[197],"motions":[198],"interface.":[201],"Altogether,":[202],"presence":[204],"dense":[206,253],"filaments,":[207],"HFSs,":[209],"active":[211],"formation":[213,255,258],"in":[214,251,259],"1204":[216],"demonstrates":[218],"that":[219],"feedback-driven":[220,248],"shell":[221],"interaction":[224],"compressed":[225],"gas":[227],"interface,":[230],"establishing":[231],"necessary":[233],"conditions":[234],"for":[235],"filaments":[236],"ongoing":[238],"results":[242],"highlight":[243],"important":[245],"role":[246],"interactions":[250],"regulating":[252],"structure":[254],"clouds.":[261]},"counts_by_year":[],"updated_date":"2026-11-05T12:25:35.769452","created_date":"2026-10-07T00:00:00"}