{"id":"https://openalex.org/W7222997841","doi":"https://doi.org/10.48550/arxiv.2610.25718","title":"Velocity-resolved Ionization Mapping of the Broad-line Region. II. Signatures of Eccentric Broad-line Regions from a Quantitative Photoionization-Based Model","display_name":"Velocity-resolved Ionization Mapping of the Broad-line Region. II. Signatures of Eccentric Broad-line Regions from a Quantitative Photoionization-Based Model","publication_year":2026,"publication_date":"2026-10-19","ids":{"openalex":"https://openalex.org/W7222997841","doi":"https://doi.org/10.48550/arxiv.2610.25718"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2610.25718","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.25718","pdf_url":"https://arxiv.org/pdf/2610.25718","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/2610.25718","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070354581","display_name":"Jiancheng Wu","orcid":"https://orcid.org/0000-0002-2581-8154","observed_orcids":["https://orcid.org/0000-0002-2581-8154"]},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wu, Jiancheng","raw_affiliation_strings":["Institute for Astronomy , School of Physics , Zhejiang University , 866 Yuhangtang Road , Hangzhou 310058 , People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Astronomy , School of Physics , Zhejiang University , 866 Yuhangtang Road , Hangzhou 310058 , People's Republic of China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159094821","display_name":"Hai-Cheng Feng","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I2801168720","display_name":"Yunnan Observatories","ror":"https://ror.org/02f42pw58","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2801168720","https://openalex.org/I4210164580"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feng, Hai-Cheng","raw_affiliation_strings":["Yunnan Observatories , Chinese Academy of Sciences , Kunming 650216 , Yunnan , People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Yunnan Observatories , Chinese Academy of Sciences , Kunming 650216 , Yunnan , People's Republic of China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I2801168720"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159151713","display_name":"Sha-Sha Li","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I2801168720","display_name":"Yunnan Observatories","ror":"https://ror.org/02f42pw58","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2801168720","https://openalex.org/I4210164580"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Li, Sha-Sha","raw_affiliation_strings":["Yunnan Observatories , Chinese Academy of Sciences , Kunming 650216 , Yunnan , People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Yunnan Observatories , Chinese Academy of Sciences , Kunming 650216 , Yunnan , People's Republic of China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I2801168720"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159120764","display_name":"Qingwen Wu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wu, Qingwen","raw_affiliation_strings":["Department of Astronomy , School of Physics , Huazhong University of Science and Technology , Luoyu Road 1037 , Wuhan , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Astronomy , School of Physics , Huazhong University of Science and Technology , Luoyu Road 1037 , Wuhan , China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5159101815","display_name":"Xinwu Cao","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cao, Xinwu","raw_affiliation_strings":["Center for Cosmology and Computational Astrophysics , School of Physics , Zhejiang University , 866 Yuhangtang Road , Hangzhou , 310058 , People's Republic of China","Institute for Astronomy , School of Physics , Zhejiang University , 866 Yuhangtang Road , Hangzhou 310058 , People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Cosmology and Computational Astrophysics , School of Physics , Zhejiang University , 866 Yuhangtang Road , Hangzhou , 310058 , People's Republic of China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"Institute for Astronomy , School of Physics , Zhejiang University , 866 Yuhangtang Road , Hangzhou 310058 , People's Republic of China","institution_ids":["https://openalex.org/I76130692"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"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/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.8647000193595886,"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/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.8647000193595886,"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/T10744","display_name":"Astrophysical Phenomena and Observations","score":0.12359999865293503,"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":0.0026000000070780516,"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/broad-line-region","display_name":"broad-line region","score":0.8690000176429749},{"id":"https://openalex.org/keywords/active-galactic-nuclei","display_name":"active galactic nuclei","score":0.9049999713897705},{"id":"https://openalex.org/keywords/blr-geometry","display_name":"BLR geometry","score":0.6430000066757202},{"id":"https://openalex.org/keywords/blr-kinematics","display_name":"BLR kinematics","score":0.9829999804496765},{"id":"https://openalex.org/keywords/balmer-decrement","display_name":"Balmer decrement","score":0.9139999747276306},{"id":"https://openalex.org/keywords/photoionization-modeling","display_name":"photoionization modeling","score":0.753000020980835}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.7871999740600586},{"id":"https://openalex.org/C173220165","wikidata":"https://www.wikidata.org/wiki/Q653711","display_name":"Balmer series","level":4,"score":0.6054999828338623},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.5414000153541565},{"id":"https://openalex.org/C48841040","wikidata":"https://www.wikidata.org/wiki/Q3780420","display_name":"Reverberation mapping","level":4,"score":0.49779999256134033},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.4934000074863434},{"id":"https://openalex.org/C198291218","wikidata":"https://www.wikidata.org/wiki/Q190382","display_name":"Ionization","level":3,"score":0.47040000557899475},{"id":"https://openalex.org/C12426560","wikidata":"https://www.wikidata.org/wiki/Q189569","display_name":"Basis (linear algebra)","level":2,"score":0.4374000132083893},{"id":"https://openalex.org/C43481613","wikidata":"https://www.wikidata.org/wiki/Q46587","display_name":"Active galactic nucleus","level":3,"score":0.4368000030517578},{"id":"https://openalex.org/C39920418","wikidata":"https://www.wikidata.org/wiki/Q11476","display_name":"Kinematics","level":2,"score":0.4244000017642975},{"id":"https://openalex.org/C30475298","wikidata":"https://www.wikidata.org/wiki/Q909554","display_name":"Computational physics","level":1,"score":0.3711000084877014},{"id":"https://openalex.org/C774472","wikidata":"https://www.wikidata.org/wiki/Q6760393","display_name":"Margin (machine learning)","level":2,"score":0.3431999981403351},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3253999948501587},{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.3052999973297119},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.27950000762939453},{"id":"https://openalex.org/C2779886137","wikidata":"https://www.wikidata.org/wiki/Q21030012","display_name":"Symmetry (geometry)","level":2,"score":0.2750000059604645},{"id":"https://openalex.org/C96141758","wikidata":"https://www.wikidata.org/wiki/Q216817","display_name":"Emission spectrum","level":3,"score":0.2551000118255615},{"id":"https://openalex.org/C77730005","wikidata":"https://www.wikidata.org/wiki/Q326905","display_name":"Spherical geometry","level":2,"score":0.25369998812675476},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.2515000104904175},{"id":"https://openalex.org/C527412718","wikidata":"https://www.wikidata.org/wiki/Q855395","display_name":"Interpretation (philosophy)","level":2,"score":0.250900000333786}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2610.25718","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.25718","pdf_url":"https://arxiv.org/pdf/2610.25718","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.2610.25718","doi":"https://doi.org/10.48550/arxiv.2610.25718","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2610.25718","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":"pmh:oai:arXiv.org:2610.25718","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.25718","pdf_url":"https://arxiv.org/pdf/2610.25718","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":[{"id":"https://openalex.org/G210354548","display_name":null,"funder_award_id":"12233007","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2891413898","display_name":null,"funder_award_id":"12203096","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3610110448","display_name":null,"funder_award_id":"12573021","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5847793060","display_name":null,"funder_award_id":"12347103","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G683335422","display_name":null,"funder_award_id":"12303022","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8005447099","display_name":null,"funder_award_id":"12533005","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8832797873","display_name":null,"funder_award_id":"2021YFA1600404","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7222997841.pdf","grobid_xml":"https://content.openalex.org/works/W7222997841.grobid-xml"},"referenced_works_count":55,"referenced_works":["https://openalex.org/W1846388497","https://openalex.org/W1861812582","https://openalex.org/W1967715705","https://openalex.org/W1971926425","https://openalex.org/W1990961783","https://openalex.org/W1995037306","https://openalex.org/W2000849336","https://openalex.org/W2020111341","https://openalex.org/W2062030210","https://openalex.org/W2062802706","https://openalex.org/W2065395702","https://openalex.org/W2066385539","https://openalex.org/W2084087210","https://openalex.org/W2084341023","https://openalex.org/W2088421278","https://openalex.org/W2089750221","https://openalex.org/W2093175433","https://openalex.org/W2095424371","https://openalex.org/W2100540266","https://openalex.org/W2129433901","https://openalex.org/W2156582991","https://openalex.org/W2156621121","https://openalex.org/W2160895427","https://openalex.org/W2163474894","https://openalex.org/W2169204353","https://openalex.org/W2339157657","https://openalex.org/W2576722635","https://openalex.org/W2674531998","https://openalex.org/W2793431852","https://openalex.org/W2917331530","https://openalex.org/W2934816667","https://openalex.org/W2963521894","https://openalex.org/W3009919203","https://openalex.org/W3090636479","https://openalex.org/W3115016297","https://openalex.org/W3134712458","https://openalex.org/W3172273820","https://openalex.org/W3175975547","https://openalex.org/W4200632844","https://openalex.org/W4237020107","https://openalex.org/W4293802642","https://openalex.org/W4380627425","https://openalex.org/W4387882116","https://openalex.org/W4390338611","https://openalex.org/W4391709067","https://openalex.org/W4392163389","https://openalex.org/W4392601816","https://openalex.org/W4394596638","https://openalex.org/W4403687710","https://openalex.org/W4404599567","https://openalex.org/W4406711626","https://openalex.org/W4409123176","https://openalex.org/W4416124261","https://openalex.org/W7130339176","https://openalex.org/W7161844947"],"related_works":["https://openalex.org/W4400480529","https://openalex.org/W4406712079","https://openalex.org/W4391211990","https://openalex.org/W2950574219","https://openalex.org/W2796128451","https://openalex.org/W2034851670","https://openalex.org/W4414442887","https://openalex.org/W3011792920","https://openalex.org/W1568782687","https://openalex.org/W2336786422"],"abstract_inverted_index":{"Velocity-resolved":[0],"reverberation":[1,130],"mapping":[2,56],"(RM)":[3],"is":[4,164],"one":[5,189,192],"of":[6,17,40,51,66,80,169,224,234],"the":[7,13,18,67,77,81,113,117,121,161,167,170,204,222,232,240],"most":[8],"powerful":[9],"tools":[10],"for":[11,178,219],"probing":[12],"geometry":[14,42,181],"and":[15,43,89,100,107,120,144,191,210,230],"kinematics":[16],"broad-line":[19],"region":[20],"in":[21,228],"active":[22],"galactic":[23],"nuclei.":[24],"However,":[25],"its":[26],"interpretation":[27],"may":[28],"be":[29],"non-unique,":[30],"as":[31,58],"similar":[32],"velocity-delay":[33,142],"signatures":[34,150],"can":[35,139,201],"arise":[36],"from":[37,182],"different":[38],"combinations":[39],"BLR":[41,72,98,138,171,200,226,241],"kinematics.":[44],"To":[45],"address":[46],"this":[47,49,63],"degeneracy,":[48],"series":[50],"studies":[52],"develops":[53],"velocity-resolved":[54,145,162,208,211],"ionization":[55],"(IM)":[57],"a":[59,135,175,216],"complementary":[60],"technique.":[61],"In":[62,159],"second":[64],"paper":[65],"series,":[68],"we":[69,195],"construct":[70],"photoionization-based":[71],"models":[73],"to":[74,153,166,238],"quantitatively":[75],"demonstrate":[76,231],"diagnostic":[78,177],"power":[79],"joint":[82,235],"RM+IM":[83,236],"framework.":[84],"We":[85,132],"calculate":[86],"local":[87],"\\ha\\":[88],"\\hb\\":[90],"emissivities":[91],"with":[92,96,125,188],"Cloudy,":[93],"couple":[94],"them":[95],"disk-like":[97],"models,":[99],"generate":[101],"synthetic":[102],"velocity-dependent":[103],"line":[104,206],"fluxes,":[105],"lags,":[106,209],"Balmer":[108],"decrements.":[109],"The":[110],"model":[111],"reproduces":[112],"observed":[114,205],"anti-correlation":[115],"between":[116],"integrated":[118],"BD":[119,163],"incident":[122],"ionizing":[123],"continuum,":[124],"scatter":[126],"naturally":[127],"introduced":[128],"by":[129],"delays.":[131],"show":[133,196],"that":[134,147,197],"virialized":[136,154],"elliptical":[137],"produce":[140],"diverse":[141],"maps":[143],"lags":[146],"mimic":[148],"RM":[149],"commonly":[151],"attributed":[152],"motion,":[155],"inflow,":[156],"or":[157],"outflow.":[158],"contrast,":[160],"sensitive":[165],"symmetry":[168],"gas":[172],"distribution,":[173],"providing":[174],"key":[176],"distinguishing":[179],"eccentric":[180,225],"non-virial":[183],"motions.":[184],"Through":[185],"proof-of-concept":[186],"comparisons":[187],"double-peaked":[190],"single-peaked":[193],"AGN,":[194],"an":[198],"elliptical-disk":[199],"simultaneously":[202],"reproduce":[203],"profiles,":[207],"BDs.":[212],"These":[213],"results":[214],"provide":[215],"quantitative":[217],"basis":[218],"IM,":[220],"support":[221],"presence":[223],"structures":[227],"AGNs,":[229],"potential":[233],"analyses":[237],"break":[239],"geometry-kinematics":[242],"degeneracy.":[243]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-10-21T00:00:00"}