{"id":"https://openalex.org/W7223098677","doi":"https://doi.org/10.48550/arxiv.2610.27831","title":"The chemical evolution of the LMC from APOGEE abundances: a hybrid two-infall OMEGA+ analysis","display_name":"The chemical evolution of the LMC from APOGEE abundances: a hybrid two-infall OMEGA+ analysis","publication_year":2026,"publication_date":"2026-10-20","ids":{"openalex":"https://openalex.org/W7223098677","doi":"https://doi.org/10.48550/arxiv.2610.27831"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2610.27831","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.27831","pdf_url":"https://arxiv.org/pdf/2610.27831","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"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2610.27831","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5159202592","display_name":"Erik Gasteiger","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I106118109","display_name":"E\u00f6tv\u00f6s Lor\u00e1nd University","ror":"https://ror.org/01jsq2704","country_code":"HU","type":"education","lineage":["https://openalex.org/I106118109"]}],"countries":["HU"],"is_corresponding":false,"raw_author_name":"Gasteiger, Erik","raw_affiliation_strings":["ELTE E\u00f6tv\u00f6s Lor\u00e1nd University , Gothard","ELTE E\u00f6tv\u00f6s Lor\u00e1nd University , Institute of Physics and Astronomy , P\u00e1zm\u00e1ny P\u00e9ter s\u00e9t\u00e1ny 1/A , 1117 Budapest , Hungary"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ELTE E\u00f6tv\u00f6s Lor\u00e1nd University , Gothard","institution_ids":["https://openalex.org/I106118109"]},{"raw_affiliation_string":"ELTE E\u00f6tv\u00f6s Lor\u00e1nd University , Institute of Physics and Astronomy , P\u00e1zm\u00e1ny P\u00e9ter s\u00e9t\u00e1ny 1/A , 1117 Budapest , Hungary","institution_ids":["https://openalex.org/I106118109"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101629254","display_name":"Viola Heged\u0171s","orcid":"https://orcid.org/0000-0001-7699-1902","observed_orcids":["https://orcid.org/0000-0001-7699-1902"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Heged\u0171s, Viola","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5026305001","display_name":"Szabolcs M\u00e9sz\u00e1ros","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M\u00e9sz\u00e1ros, Szabolcs","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.8198000192642212,"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/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.8198000192642212,"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":0.1251000016927719,"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/T10477","display_name":"Astrophysics and Star Formation Studies","score":0.03959999978542328,"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/large-magellanic-cloud","display_name":"Large Magellanic Cloud","score":0.9959999918937683},{"id":"https://openalex.org/keywords/chemical-evolution","display_name":"chemical evolution","score":0.8790000081062317},{"id":"https://openalex.org/keywords/dwarf-galaxies","display_name":"dwarf galaxies","score":0.7329999804496765},{"id":"https://openalex.org/keywords/star-formation-history","display_name":"star formation history","score":0.6840000152587891},{"id":"https://openalex.org/keywords/star-formation-efficiency","display_name":"star formation efficiency","score":0.6869999766349792},{"id":"https://openalex.org/keywords/gas-infall","display_name":"gas infall","score":0.7620000243186951},{"id":"https://openalex.org/keywords/omega-model","display_name":"omega-models","score":0.7289999723434448},{"id":"https://openalex.org/keywords/apogee","display_name":"APOGEE","score":0.7049999833106995},{"id":"https://openalex.org/keywords/magnesium-abundance","display_name":"magnesium abundance","score":0.4359999895095825},{"id":"https://openalex.org/keywords/metallicity-distribution-function","display_name":"metallicity distribution function","score":0.8500000238418579},{"id":"https://openalex.org/keywords/supernova-rate","display_name":"supernova rate","score":0.8690000176429749},{"id":"https://openalex.org/keywords/red-giant-branch-stars","display_name":"red giant branch stars","score":0.8209999799728394}],"concepts":[{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.746399998664856},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.738099992275238},{"id":"https://openalex.org/C2781010120","wikidata":"https://www.wikidata.org/wiki/Q49957","display_name":"Large Magellanic Cloud","level":3,"score":0.7343999743461609},{"id":"https://openalex.org/C99465377","wikidata":"https://www.wikidata.org/wiki/Q217030","display_name":"Metallicity","level":3,"score":0.708299994468689},{"id":"https://openalex.org/C127592171","wikidata":"https://www.wikidata.org/wiki/Q3937","display_name":"Supernova","level":2,"score":0.63919997215271},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.5950000286102295},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.5127999782562256},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.4562000036239624},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.42170000076293945},{"id":"https://openalex.org/C110472602","wikidata":"https://www.wikidata.org/wiki/Q6472","display_name":"Stellar evolution","level":3,"score":0.42160001397132874},{"id":"https://openalex.org/C56956389","wikidata":"https://www.wikidata.org/wiki/Q3450","display_name":"Main sequence","level":3,"score":0.367000013589859},{"id":"https://openalex.org/C2994569158","wikidata":"https://www.wikidata.org/wiki/Q5090465","display_name":"Chemical evolution","level":3,"score":0.366100013256073},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.35659998655319214},{"id":"https://openalex.org/C61326573","wikidata":"https://www.wikidata.org/wiki/Q1496376","display_name":"Gaussian process","level":3,"score":0.3379000127315521},{"id":"https://openalex.org/C168589115","wikidata":"https://www.wikidata.org/wiki/Q3079618","display_name":"Stellar mass","level":4,"score":0.319599986076355},{"id":"https://openalex.org/C134222618","wikidata":"https://www.wikidata.org/wiki/Q2713132","display_name":"Mass distribution","level":3,"score":0.3151000142097473},{"id":"https://openalex.org/C13565188","wikidata":"https://www.wikidata.org/wiki/Q854050","display_name":"Effective temperature","level":3,"score":0.28760001063346863},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.2822999954223633},{"id":"https://openalex.org/C174802034","wikidata":"https://www.wikidata.org/wiki/Q1995140","display_name":"Galaxy formation and evolution","level":3,"score":0.2793999910354614},{"id":"https://openalex.org/C110121322","wikidata":"https://www.wikidata.org/wiki/Q865811","display_name":"Distribution (mathematics)","level":2,"score":0.265500009059906},{"id":"https://openalex.org/C77077793","wikidata":"https://www.wikidata.org/wiki/Q336019","display_name":"Abundance (ecology)","level":2,"score":0.2635999917984009},{"id":"https://openalex.org/C2778339168","wikidata":"https://www.wikidata.org/wiki/Q207436","display_name":"Supernova remnant","level":3,"score":0.2635999917984009},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.25589999556541443},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.2506999969482422}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2610.27831","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.27831","pdf_url":"https://arxiv.org/pdf/2610.27831","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":"doi:10.48550/arxiv.2610.27831","doi":"https://doi.org/10.48550/arxiv.2610.27831","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2610.27831","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":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2610.27831","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.27831","pdf_url":"https://arxiv.org/pdf/2610.27831","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"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306083","display_name":"Smithsonian Institution","ror":"https://ror.org/01pp8nd67"},{"id":"https://openalex.org/F4320306084","display_name":"U.S. Department of Energy","ror":"https://ror.org/01bj3aw27"},{"id":"https://openalex.org/F4320306151","display_name":"Alfred P. Sloan Foundation","ror":"https://ror.org/052csg198"},{"id":"https://openalex.org/F4320308380","display_name":"Yale University","ror":"https://ror.org/03v76x132"},{"id":"https://openalex.org/F4320308765","display_name":"Carnegie Institution of Washington","ror":"https://ror.org/04jr01610"},{"id":"https://openalex.org/F4320309151","display_name":"Vanderbilt University","ror":"https://ror.org/02vm5rt34"},{"id":"https://openalex.org/F4320309374","display_name":"Ohio State University","ror":"https://ror.org/00rs6vg23"},{"id":"https://openalex.org/F4320310094","display_name":"University of Washington","ror":"https://ror.org/00cvxb145"},{"id":"https://openalex.org/F4320310145","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95"},{"id":"https://openalex.org/F4320310207","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33"},{"id":"https://openalex.org/F4320310260","display_name":"University of Notre Dame","ror":"https://ror.org/00mkhxb43"},{"id":"https://openalex.org/F4320311064","display_name":"University of Portsmouth","ror":"https://ror.org/03ykbk197"},{"id":"https://openalex.org/F4320311400","display_name":"New Mexico State University","ror":"https://ror.org/00hpz7z43"},{"id":"https://openalex.org/F4320319918","display_name":"York University","ror":"https://ror.org/05fq50484"},{"id":"https://openalex.org/F4320320290","display_name":"University of Oxford","ror":"https://ror.org/052gg0110"},{"id":"https://openalex.org/F4320321992","display_name":"Minist\u00e9rio da Ci\u00eancia, Tecnologia e Inova\u00e7\u00e3o","ror":"https://ror.org/050zdnc69"},{"id":"https://openalex.org/F4320323401","display_name":"Universidad Nacional Aut\u00f3noma de M\u00e9xico","ror":"https://ror.org/01tmp8f25"},{"id":"https://openalex.org/F4320331446","display_name":"Max-Planck-Institut f\u00fcr Astrophysik","ror":"https://ror.org/017qcv467"},{"id":"https://openalex.org/F4320331606","display_name":"Max-Planck-Institut f\u00fcr Astronomie","ror":"https://ror.org/01vhnrs90"},{"id":"https://openalex.org/F4320331697","display_name":"Instituto de Astrof\u00edsica de Canarias","ror":"https://ror.org/03cmntr54"},{"id":"https://openalex.org/F4320332359","display_name":"Office of Science","ror":"https://ror.org/00mmn6b08"},{"id":"https://openalex.org/F4320332538","display_name":"University of Colorado Boulder","ror":"https://ror.org/02ttsq026"},{"id":"https://openalex.org/F4320334763","display_name":"Leibniz-Gemeinschaft","ror":"https://ror.org/01n6r0e97"},{"id":"https://openalex.org/F4320338292","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7223098677.pdf","grobid_xml":"https://content.openalex.org/works/W7223098677.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3011767933","https://openalex.org/W2113243079","https://openalex.org/W7143353494","https://openalex.org/W2995171637","https://openalex.org/W2064795947","https://openalex.org/W2029778760","https://openalex.org/W2156472331","https://openalex.org/W6891775252","https://openalex.org/W2910505358","https://openalex.org/W2061730585"],"abstract_inverted_index":{"The":[0,76,85,109,162,175],"Large":[1],"Magellanic":[2],"Cloud":[3],"(LMC)":[4],"provides":[5],"resolved":[6],"stellar":[7,237],"abundances":[8],"and":[9,100,123,145,172,185,198,227],"star-formation":[10,50,93],"histories":[11],"that":[12,39,231],"can":[13,32],"be":[14,33],"used":[15],"together":[16],"to":[17,130],"test":[18],"models":[19],"of":[20,120,170,180,235],"dwarf-galaxy":[21],"chemical":[22],"evolution.":[23],"We":[24,53,62],"investigated":[25],"if":[26],"the":[27,71,82,113,139,178,181,191,207,216,222,236],"non-monotonic":[28],"APOGEE":[29],"$[\\mathrm{Mg}/\\mathrm{Fe}]$-$[\\mathrm{Fe}/\\mathrm{H}]$":[30],"sequence":[31,69,115],"explained":[34],"by":[35,152,167],"a":[36,41,46,126,153,168,187,202,232,242],"hybrid":[37,196],"history":[38,94,200],"combines":[40],"second":[42,140,163],"gas-infall":[43],"episode":[44],"with":[45,70,116,138,146],"temporary":[47,154],"increase":[48],"in":[49],"efficiency":[51],"(SFE).":[52],"selected":[54],"4933":[55],"LMC":[56,209,217],"red-giant-branch":[57],"stars":[58],"from":[59],"APOGEE-2":[60],"DR17.":[61],"fitted":[63],"an":[64,117],"adaptively":[65],"binned":[66],"median":[67,211],"Mg":[68,83,114,210],"two-zone":[72],"open-box":[73],"code":[74],"OMEGA+.":[75],"formal":[77],"fitting":[78],"objective":[79],"contained":[80],"only":[81],"sequence.":[84,212],"metallicity":[86],"distribution":[87],"function":[88],"(MDF),":[89],"one-dimensional":[90],"abundance":[91],"distributions,":[92],"(SFH),":[95],"present-day":[96],"mass":[97,148],"partition,":[98],"SFR,":[99],"supernova":[101],"(SN)":[102],"rate":[103],"were":[104],"retained":[105],"as":[106],"posterior":[107,128],"diagnostics.":[108],"best-fitting":[110],"model":[111,176],"reproduces":[112,177],"RMS":[118],"residual":[119],"0.01":[121],"dex":[122],"also":[124],"gives":[125],"close":[127],"match":[129],"O.":[131],"It":[132],"contains":[133],"two":[134],"delayed-tau":[135],"infall":[136,164],"episodes,":[137],"beginning":[141],"at":[142,159],"$t_2=10.39$":[143],"Gyr":[144],"integrated":[147],"ratio":[149],"$M_2/M_1=0.159$,":[150],"followed":[151],"Gaussian":[155],"SFE":[156],"enhancement":[157,184],"centred":[158],"$t=11.91$":[160],"Gyr.":[161],"is":[165,201,239],"represented":[166],"mixture":[169],"enriched":[171],"primordial":[173],"gas.":[174],"timing":[179],"late":[182],"SFH":[183],"yields":[186],"present":[188],"SFR":[189],"within":[190],"adopted":[192],"comparison":[193],"range.":[194],"A":[195],"second-infall":[197],"SFE-enhancement":[199],"plausible":[203],"scenario":[204],"for":[205,241],"reproducing":[206],"observed":[208],"Our":[213],"fit":[214],"explains":[215],"evolution":[218],"fairly":[219],"well,":[220],"but":[221],"remaining":[223],"small":[224],"MDF,":[225],"mass,":[226],"SN-rate":[228],"discrepancies":[229],"suggest":[230],"selection-function-aware":[233],"treatment":[234],"distributions":[238],"required":[240],"stricter":[243],"comparison.":[244]},"counts_by_year":[],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2026-10-22T00:00:00"}
