{"id":"https://openalex.org/W7223123993","doi":"https://doi.org/10.48550/arxiv.2610.27076","title":"Balmer breaks in accreting super-massive black hole binaries","display_name":"Balmer breaks in accreting super-massive black hole binaries","publication_year":2026,"publication_date":"2026-10-19","ids":{"openalex":"https://openalex.org/W7223123993","doi":"https://doi.org/10.48550/arxiv.2610.27076"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2610.27076","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.27076","pdf_url":"https://arxiv.org/pdf/2610.27076","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","indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2610.27076","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5047242283","display_name":"Christopher Tiede","orcid":"https://orcid.org/0000-0002-3820-2404","observed_orcids":["https://orcid.org/0000-0002-3820-2404"]},"institutions":[{"id":"https://openalex.org/I124055696","display_name":"University of Copenhagen","ror":"https://ror.org/035b05819","country_code":"DK","type":"education","lineage":["https://openalex.org/I124055696"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Tiede, Christopher","raw_affiliation_strings":["Niels Bohr International Academy , Niels Bohr Institute , Blegdamsvej 17 , 2100 Copenhagen , Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Niels Bohr International Academy , Niels Bohr Institute , Blegdamsvej 17 , 2100 Copenhagen , Denmark","institution_ids":["https://openalex.org/I124055696"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085339462","display_name":"Zolt\u00e1n Haiman","orcid":"https://orcid.org/0000-0003-3633-5403","observed_orcids":["https://orcid.org/0000-0003-3633-5403"]},"institutions":[{"id":"https://openalex.org/I157556583","display_name":"Institute of Science and Technology Austria","ror":"https://ror.org/03gnh5541","country_code":"AT","type":"education","lineage":["https://openalex.org/I157556583"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Haiman, Zoltan","raw_affiliation_strings":["Institute of Science and Technology Austria (ISTA) , Am Campus 1 , Klosterneuburg 3400 , Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Science and Technology Austria (ISTA) , Am Campus 1 , Klosterneuburg 3400 , Austria","institution_ids":["https://openalex.org/I157556583"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"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/T10744","display_name":"Astrophysical Phenomena and Observations","score":0.6083999872207642,"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/T10744","display_name":"Astrophysical Phenomena and Observations","score":0.6083999872207642,"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":0.3840000033378601,"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":0.002300000051036477,"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/supermassive-black-hole-binaries","display_name":"supermassive black hole binaries","score":0.9330000281333923},{"id":"https://openalex.org/keywords/balmer-break","display_name":"Balmer break","score":0.7820000052452087},{"id":"https://openalex.org/keywords/accretion-disk-truncation","display_name":"accretion disk truncation","score":0.9190000295639038},{"id":"https://openalex.org/keywords/x-ray-weakness","display_name":"X-ray weakness","score":0.6600000262260437},{"id":"https://openalex.org/keywords/time-domain-surveys","display_name":"time-domain surveys","score":0.6840000152587891},{"id":"https://openalex.org/keywords/eddington-limited-accretion","display_name":"Eddington accretion","score":0.6209999918937683}],"concepts":[{"id":"https://openalex.org/C173220165","wikidata":"https://www.wikidata.org/wiki/Q653711","display_name":"Balmer series","level":4,"score":0.9520000219345093},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.8743000030517578},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.7950999736785889},{"id":"https://openalex.org/C50341732","wikidata":"https://www.wikidata.org/wiki/Q880302","display_name":"Black hole (networking)","level":5,"score":0.5443999767303467},{"id":"https://openalex.org/C2776401274","wikidata":"https://www.wikidata.org/wiki/Q3756855","display_name":"Accretion (finance)","level":2,"score":0.5436999797821045},{"id":"https://openalex.org/C15627037","wikidata":"https://www.wikidata.org/wiki/Q541961","display_name":"Classification of discontinuities","level":2,"score":0.5382999777793884},{"id":"https://openalex.org/C32602459","wikidata":"https://www.wikidata.org/wiki/Q4913879","display_name":"Binary black hole","level":3,"score":0.5364000201225281},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.45719999074935913},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.4323999881744385},{"id":"https://openalex.org/C18609725","wikidata":"https://www.wikidata.org/wiki/Q1050633","display_name":"Intermediate-mass black hole","level":4,"score":0.3774000108242035},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.3626999855041504},{"id":"https://openalex.org/C193943012","wikidata":"https://www.wikidata.org/wiki/Q260761","display_name":"Spin-flip","level":3,"score":0.3059999942779541},{"id":"https://openalex.org/C177786621","wikidata":"https://www.wikidata.org/wiki/Q2269733","display_name":"X-ray burster","level":5,"score":0.2939999997615814},{"id":"https://openalex.org/C105500671","wikidata":"https://www.wikidata.org/wiki/Q1047034","display_name":"Stellar black hole","level":3,"score":0.29339998960494995},{"id":"https://openalex.org/C137179401","wikidata":"https://www.wikidata.org/wiki/Q5961","display_name":"X-ray binary","level":3,"score":0.2808000147342682},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.26339998841285706},{"id":"https://openalex.org/C131722892","wikidata":"https://www.wikidata.org/wiki/Q848485","display_name":"Roche lobe","level":4,"score":0.26089999079704285},{"id":"https://openalex.org/C30424772","wikidata":"https://www.wikidata.org/wiki/Q285924","display_name":"Gamma-ray burst progenitors","level":5,"score":0.26080000400543213},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.2513999938964844}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2610.27076","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.27076","pdf_url":"https://arxiv.org/pdf/2610.27076","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.2610.27076","doi":"https://doi.org/10.48550/arxiv.2610.27076","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2610.27076","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:2610.27076","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.27076","pdf_url":"https://arxiv.org/pdf/2610.27076","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/G207642298","display_name":null,"funder_award_id":"101148364","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7223123993.pdf","grobid_xml":"https://content.openalex.org/works/W7223123993.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7080592899","https://openalex.org/W4213399727","https://openalex.org/W2969001584","https://openalex.org/W2039086655","https://openalex.org/W6884526821","https://openalex.org/W3101417662","https://openalex.org/W3093302679","https://openalex.org/W3181800579","https://openalex.org/W1938567698","https://openalex.org/W7166738122"],"abstract_inverted_index":{"We":[0,47,109,154],"show":[1,132],"that":[2,68,111,137,147,156,160],"truncated":[3],"circumbinary":[4],"accretion":[5,163],"disks":[6,21],"around":[7],"super-massive":[8],"black":[9,145,157,202],"hole":[10,158,203],"binaries":[11,17,75,93,128,159],"can":[12,34,148],"produce":[13,186],"Balmer":[14,58,134,188],"breaks.":[15],"For":[16],"interacting":[18],"with":[19,76,91],"surrounding":[20],"in":[22,97,179,183,190],"a":[23,49,57,117,124,196],"truncated,":[24],"non-accreting":[25],"phase,":[26],"gas":[27],"accumulates":[28],"at":[29,129,151],"the":[30,54,62,69,103,142],"cavity":[31],"edge,":[32],"and":[33,60,65,82,102,136,171,182],"create":[35],"conditions":[36],"conducive":[37],"to":[38,80,95],"generating":[39],"spectral":[40],"discontinuities":[41,71],"from":[42],"$n=2$":[43],"hydrogen":[44],"bound-free":[45],"absorption.":[46],"develop":[48],"simple":[50],"model":[51],"for":[52,74,112,141,200],"predicting":[53],"presence":[55],"of":[56,78,116,120,126],"edge":[59],"estimating":[61],"break":[63],"strength,":[64],"we":[66],"find":[67],"strongest":[70],"are":[72],"expected":[73],"periods":[77],"months":[79],"years":[81],"total":[83],"masses":[84],"$\\gtrsim10^6\\,\\Msun$.":[85],"These":[86],"systems":[87],"share":[88],"considerable":[89],"overlap":[90],"those":[92],"anticipated":[94],"appear":[96,166],"upcoming":[98],"time-domain":[99],"surveys---like":[100],"LSST":[101],"Roman":[104],"HLTDS---as":[105],"periodically":[106,168],"variable":[107,169],"quasars.":[108],"estimate":[110],"typical":[113],"feeding":[114],"rates":[115],"few":[118],"tenths":[119],"their":[121,162,191],"Eddington":[122],"rate,":[123],"few-to-10\\%":[125],"periodic":[127],"$z\\lesssim1$":[130],"should":[131],"prominent":[133],"breaks,":[135],"this":[138],"fraction":[139],"increases":[140],"more":[143],"massive":[144,201],"holes":[146],"be":[149,174],"discovered":[150],"higher":[152],"redshift.":[153],"suggest":[155],"truncate":[161],"flows":[164],"will":[165,172],"as":[167],"sources,":[170],"additionally":[173],"intrinsically":[175],"X-ray":[176],"weak,":[177],"deficient":[178],"ionizing":[180],"emission,":[181],"favorable":[184],"cases,":[185],"notable":[187],"edges":[189],"spectra.":[192],"This":[193],"combination":[194],"provides":[195],"complementary":[197],"observational":[198],"test":[199],"binary":[204],"candidates.":[205]},"counts_by_year":[],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2026-10-22T00:00:00"}