{"id":"https://openalex.org/W7224504502","doi":"https://doi.org/10.5281/zenodo.23774676","title":"Blue-shifted Emission and Absorption in BAL Quasars","display_name":"Blue-shifted Emission and Absorption in BAL Quasars","publication_year":2026,"publication_date":"2026-10-29","ids":{"openalex":"https://openalex.org/W7224504502","doi":"https://doi.org/10.5281/zenodo.23774676"},"language":"en","primary_location":{"id":"doi:10.5281/zenodo.23774676","doi":"https://doi.org/10.5281/zenodo.23774676","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.23774676","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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":"article-journal"},"volume":null,"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.5281/zenodo.23774676","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5160108454","display_name":"Gayathri C J","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I114176345","display_name":"University of Calicut","ror":"https://ror.org/05yeh3g67","country_code":"IN","type":"education","lineage":["https://openalex.org/I114176345"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"C J, Gayathri","raw_affiliation_strings":["University of Calicut"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Calicut","institution_ids":["https://openalex.org/I114176345"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160121818","display_name":"M Vivek","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Vivek, M","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5103206831","display_name":"C. D. Ravikumar","orcid":"https://orcid.org/0000-0002-0717-6944","observed_orcids":["https://orcid.org/0000-0002-0717-6944"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ravikumar, C D","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":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.85429016,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"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":0.9940999746322632,"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":0.9940999746322632,"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":0.004399999976158142,"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":0.00019999999494757503,"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-absorption-line-quasars","display_name":"broad absorption line quasars","score":0.984000027179718},{"id":"https://openalex.org/keywords/quasar-outflows","display_name":"quasar outflows","score":0.9860000014305115},{"id":"https://openalex.org/keywords/agn-feedback","display_name":"AGN feedback","score":0.734000027179718},{"id":"https://openalex.org/keywords/outflow-geometry","display_name":"outflow geometry","score":0.7900000214576721},{"id":"https://openalex.org/keywords/continuum-variability","display_name":"continuum variability","score":0.6869999766349792},{"id":"https://openalex.org/keywords/reverberation-mapping","display_name":"reverberation mapping","score":0.9399999976158142}],"concepts":[{"id":"https://openalex.org/C135041427","wikidata":"https://www.wikidata.org/wiki/Q83373","display_name":"Quasar","level":3,"score":0.9211999773979187},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.7903000116348267},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6495000123977661},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.6147000193595886},{"id":"https://openalex.org/C96141758","wikidata":"https://www.wikidata.org/wiki/Q216817","display_name":"Emission spectrum","level":3,"score":0.6047999858856201},{"id":"https://openalex.org/C125287762","wikidata":"https://www.wikidata.org/wiki/Q1758948","display_name":"Absorption (acoustics)","level":2,"score":0.5859000086784363},{"id":"https://openalex.org/C73329638","wikidata":"https://www.wikidata.org/wiki/Q527","display_name":"Sky","level":2,"score":0.5717999935150146},{"id":"https://openalex.org/C119824511","wikidata":"https://www.wikidata.org/wiki/Q13553575","display_name":"Absorption spectroscopy","level":2,"score":0.5530999898910522},{"id":"https://openalex.org/C86132830","wikidata":"https://www.wikidata.org/wiki/Q3308838","display_name":"Outflow","level":2,"score":0.5209000110626221},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.2955000102519989},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.2867000102996826},{"id":"https://openalex.org/C32891209","wikidata":"https://www.wikidata.org/wiki/Q483666","display_name":"Spectroscopy","level":2,"score":0.2831999957561493},{"id":"https://openalex.org/C74902906","wikidata":"https://www.wikidata.org/wiki/Q1190858","display_name":"Radiative transfer","level":2,"score":0.2614000141620636},{"id":"https://openalex.org/C153385146","wikidata":"https://www.wikidata.org/wiki/Q18335","display_name":"Radiation","level":2,"score":0.25209999084472656}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.5281/zenodo.23774676","doi":"https://doi.org/10.5281/zenodo.23774676","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.23774676","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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":"article-journal"},{"id":"doi:10.5281/zenodo.23774677","doi":"https://doi.org/10.5281/zenodo.23774677","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.23774677","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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":"article-journal"}],"best_oa_location":{"id":"doi:10.5281/zenodo.23774676","doi":"https://doi.org/10.5281/zenodo.23774676","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.23774676","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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":"article-journal"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1666569772","https://openalex.org/W3092772813","https://openalex.org/W2362694298","https://openalex.org/W3022331010","https://openalex.org/W2995297304","https://openalex.org/W4403837998","https://openalex.org/W401757241","https://openalex.org/W7214030870","https://openalex.org/W7224459662","https://openalex.org/W2315420335"],"abstract_inverted_index":{"Quasar":[0],"outflows,":[1],"probed":[2],"through":[3],"blue-shifted":[4,130],"emission":[5,66,131,164,170],"and":[6,22,31,67,108,132,158,171,196],"absorption":[7,40,68,72,116,133,172],"lines":[8],"in":[9,27,39,70,155,178],"quasar":[10,199],"spectra,":[11],"are":[12,41,118],"among":[13],"the":[14,29,54,63,86,129,142,162,166,193],"most":[15],"direct":[16],"observational":[17],"manifestations":[18],"of":[19,34,53,80,141,198],"AGN":[20,96],"feedback":[21],"play":[23],"a":[24,50,124,150,179],"key":[25],"role":[26],"regulating":[28],"energy":[30],"momentum":[32],"budget":[33],"host":[35],"galaxies.":[36],"Outflows":[37],"traced":[38],"sensitive":[42],"to":[43,111,149,175],"line-of-sight":[44,167],"effects,":[45],"whereas":[46],"emission-line":[47,113],"outflows":[48,69],"provide":[49],"volume-averaged":[51,163],"view":[52],"global":[55],"outflowing":[56,144],"gas.":[57],"In":[58],"this":[59],"study,":[60],"we":[61],"investigate":[62],"connection":[64],"between":[65,128],"broad":[71],"line":[73],"(BAL)":[74],"quasars.":[75],"We":[76],"analyse":[77],"multi-epoch":[78],"spectra":[79],"selected":[81],"BAL":[82],"quasars":[83],"drawn":[84],"from":[85,165],"Sloan":[87],"Digital":[88],"Sky":[89],"Survey":[90],"Reverberation":[91],"Mapping":[92],"program.":[93],"The":[94,169],"Bayesian":[95],"Decomposition":[97],"Analysis":[98],"for":[99,105],"SDSS":[100],"Spectra":[101],"(BADASS)":[102],"is":[103],"employed":[104],"continuum":[106,176],"modelling":[107],"spectral":[109],"decomposition":[110],"extract":[112],"properties,":[114],"while":[115],"strengths":[117],"measured":[119],"independently.":[120],"Our":[121],"analysis":[122],"reveals":[123],"moderate":[125],"positive":[126],"correlation":[127,147],"components,":[134],"suggesting":[135],"that":[136],"both":[137],"trace":[138],"related":[139],"phases":[140],"same":[143],"structure.":[145],"This":[146],"points":[148],"clumpy,":[151],"stratified":[152],"outflow":[153],"geometry,":[154],"which":[156],"density":[157],"velocity":[159],"gradients":[160],"distinguish":[161],"absorption.":[168],"features":[173],"respond":[174],"variability":[177],"broadly":[180],"similar,":[181],"though":[182],"not":[183],"identical,":[184],"manner.":[185],"Overall,":[186],"these":[187],"results":[188],"place":[189],"meaningful":[190],"constraints":[191],"on":[192],"physical":[194],"nature":[195],"geometry":[197],"outflows.":[200]},"counts_by_year":[],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2026-10-30T00:00:00"}