{"id":"https://openalex.org/W4390730985","doi":"https://doi.org/10.52526/25792776-23.70.2-361","title":"Analysis of the short wavelength range of QSOs","display_name":"Analysis of the short wavelength range of QSOs","publication_year":2024,"publication_date":"2024-01-09","ids":{"openalex":"https://openalex.org/W4390730985","doi":"https://doi.org/10.52526/25792776-23.70.2-361"},"language":"en","primary_location":{"id":"doi:10.52526/25792776-23.70.2-361","doi":"https://doi.org/10.52526/25792776-23.70.2-361","is_oa":true,"landing_page_url":"http://doi.org/10.52526/25792776-23.70.2-361","pdf_url":"https://doi.org/10.52526/25792776-23.70.2-361","source":{"id":"https://openalex.org/S4210171010","display_name":"Communications of the Byurakan Astrophysical Observatory","issn_l":"2579-2776","issn":["2579-2776"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Communications of the Byurakan Astrophysical Observatory","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://doi.org/10.52526/25792776-23.70.2-361","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5033838846","display_name":"A. G. Sukiasyan","orcid":"https://orcid.org/0009-0008-4071-3845","observed_orcids":["https://orcid.org/0009-0008-4071-3845"]},"institutions":[{"id":"https://openalex.org/I4210087020","display_name":"Byurakan Astrophysical Observatory","ror":"https://ror.org/0010mjy66","country_code":"AM","type":"facility","lineage":["https://openalex.org/I4210087020","https://openalex.org/I99064381"]}],"countries":["AM"],"is_corresponding":false,"raw_author_name":"A. G. Sukiasyan","raw_affiliation_strings":["Byurakan Astrophysical Observatory (BAO), Armenia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Byurakan Astrophysical Observatory (BAO), Armenia","institution_ids":["https://openalex.org/I4210087020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009706715","display_name":"Areg M. Mickaelian","orcid":"https://orcid.org/0000-0002-6598-1060","observed_orcids":["https://orcid.org/0000-0002-6598-1060"]},"institutions":[{"id":"https://openalex.org/I4210087020","display_name":"Byurakan Astrophysical Observatory","ror":"https://ror.org/0010mjy66","country_code":"AM","type":"facility","lineage":["https://openalex.org/I4210087020","https://openalex.org/I99064381"]}],"countries":["AM"],"is_corresponding":false,"raw_author_name":"A. M. Mickaelian","raw_affiliation_strings":["Byurakan Astrophysical Observatory (BAO), Armenia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Byurakan Astrophysical Observatory (BAO), Armenia","institution_ids":["https://openalex.org/I4210087020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086239622","display_name":"Hayk V. Abrahamyan","orcid":"https://orcid.org/0000-0001-9695-9248","observed_orcids":["https://orcid.org/0000-0001-9695-9248"]},"institutions":[{"id":"https://openalex.org/I4210087020","display_name":"Byurakan Astrophysical Observatory","ror":"https://ror.org/0010mjy66","country_code":"AM","type":"facility","lineage":["https://openalex.org/I4210087020","https://openalex.org/I99064381"]}],"countries":["AM"],"is_corresponding":false,"raw_author_name":"H. V. Abrahamyan","raw_affiliation_strings":["Byurakan Astrophysical Observatory (BAO), Armenia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Byurakan Astrophysical Observatory (BAO), Armenia","institution_ids":["https://openalex.org/I4210087020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015680523","display_name":"Gurgen M. Paronyan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210087020","display_name":"Byurakan Astrophysical Observatory","ror":"https://ror.org/0010mjy66","country_code":"AM","type":"facility","lineage":["https://openalex.org/I4210087020","https://openalex.org/I99064381"]}],"countries":["AM"],"is_corresponding":false,"raw_author_name":"G. M. Paronyan","raw_affiliation_strings":["Byurakan Astrophysical Observatory (BAO), Armenia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Byurakan Astrophysical Observatory (BAO), Armenia","institution_ids":["https://openalex.org/I4210087020"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012403232","display_name":"G. A. Mikayelyan","orcid":"https://orcid.org/0000-0003-2008-8989","observed_orcids":["https://orcid.org/0000-0003-2008-8989"]},"institutions":[{"id":"https://openalex.org/I4210087020","display_name":"Byurakan Astrophysical Observatory","ror":"https://ror.org/0010mjy66","country_code":"AM","type":"facility","lineage":["https://openalex.org/I4210087020","https://openalex.org/I99064381"]}],"countries":["AM"],"is_corresponding":false,"raw_author_name":"G. A. Mikayelyan","raw_affiliation_strings":["Byurakan Astrophysical Observatory (BAO), Armenia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Byurakan Astrophysical Observatory (BAO), Armenia","institution_ids":["https://openalex.org/I4210087020"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210087020"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00557436,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"361","last_page":"365"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.9945999979972839,"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":0.9945999979972839,"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":0.0012000000569969416,"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":0.0005000000237487257,"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/quasars","display_name":"quasars","score":0.9240000247955322},{"id":"https://openalex.org/keywords/hbeta-line","display_name":"H\u03b2 line","score":0.7149999737739563},{"id":"https://openalex.org/keywords/broad-absorption-lines","display_name":"broad absorption lines","score":0.5260000228881836},{"id":"https://openalex.org/keywords/narrow-absorption-lines","display_name":"narrow absorption lines","score":0.8669999837875366},{"id":"https://openalex.org/keywords/quasar-classification","display_name":"quasar classification","score":0.7360000014305115},{"id":"https://openalex.org/keywords/optical-spectra","display_name":"optical spectra","score":0.5680000185966492},{"id":"https://openalex.org/keywords/sdss-quasars","display_name":"SDSS quasars","score":0.6850000023841858}],"concepts":[{"id":"https://openalex.org/C2776968204","wikidata":"https://www.wikidata.org/wiki/Q3412366","display_name":"QSOS","level":4,"score":0.9431816339492798},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.7176720499992371},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.6184874773025513},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.613703727722168},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.528342604637146},{"id":"https://openalex.org/C3020018894","wikidata":"https://www.wikidata.org/wiki/Q76299","display_name":"Optical spectra","level":3,"score":0.5004611015319824},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.4764171838760376},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2602686285972595},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.25380322337150574},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.23533982038497925},{"id":"https://openalex.org/C135041427","wikidata":"https://www.wikidata.org/wiki/Q83373","display_name":"Quasar","level":3,"score":0.16889789700508118},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13946357369422913},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.13010618090629578}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.52526/25792776-23.70.2-361","doi":"https://doi.org/10.52526/25792776-23.70.2-361","is_oa":true,"landing_page_url":"http://doi.org/10.52526/25792776-23.70.2-361","pdf_url":"https://doi.org/10.52526/25792776-23.70.2-361","source":{"id":"https://openalex.org/S4210171010","display_name":"Communications of the Byurakan Astrophysical Observatory","issn_l":"2579-2776","issn":["2579-2776"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Communications of the Byurakan Astrophysical Observatory","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.52526/25792776-23.70.2-361","doi":"https://doi.org/10.52526/25792776-23.70.2-361","is_oa":true,"landing_page_url":"http://doi.org/10.52526/25792776-23.70.2-361","pdf_url":"https://doi.org/10.52526/25792776-23.70.2-361","source":{"id":"https://openalex.org/S4210171010","display_name":"Communications of the Byurakan Astrophysical Observatory","issn_l":"2579-2776","issn":["2579-2776"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Communications of the Byurakan Astrophysical Observatory","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4390730985.pdf","grobid_xml":"https://content.openalex.org/works/W4390730985.grobid-xml"},"referenced_works_count":2,"referenced_works":["https://openalex.org/W3084693336","https://openalex.org/W4237793118"],"related_works":["https://openalex.org/W4365146129","https://openalex.org/W4399681285","https://openalex.org/W4378653042","https://openalex.org/W3124236150","https://openalex.org/W3047885593","https://openalex.org/W3015110346","https://openalex.org/W2047676449","https://openalex.org/W1998471114","https://openalex.org/W3176233560","https://openalex.org/W2560329585"],"abstract_inverted_index":{"In":[0],"this":[1],"work":[2],"we":[3,19,30,58],"try":[4],"to":[5],"classify":[6],"objects":[7,23,34,43],"using":[8],"the":[9,53],"MgII":[10,46,56],"2798":[11],"\u212b":[12],"line":[13],"from":[14,24],"optical":[15,37],"spectra.":[16],"For":[17],"that,":[18],"use":[20],"BZQ":[21,33],"type":[22],"BZCAT":[25],"catalogue.":[26],"From":[27],"SDSS":[28],"catalogues":[29],"have":[31,36],"618":[32],"which":[35],"spectra":[38,61],"and":[39,47,69],"only":[40],"in":[41],"139":[42],"there":[44],"are":[45],"H\u03b2":[48],"lines":[49],"simultaneously":[50],"(z=0.3345-1.0915).":[51],"By":[52],"shape":[54],"of":[55],"lines,":[57],"grouped":[59],"these":[60],"into":[62],"3":[63],"categories:":[64],"Broad":[65],"&":[66],"Narrow,":[67],"Broad+Narrow,":[68],"Broad.":[70]},"counts_by_year":[],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2024-01-13T00:00:00"}
