{"id":"https://openalex.org/W4306776232","doi":"https://doi.org/10.3847/1538-3881/ac8ff2","title":"Extremely Low Mass Ratio Contact Binaries. I. The First Photometric and Spectroscopic Investigations of Ten Systems","display_name":"Extremely Low Mass Ratio Contact Binaries. I. The First Photometric and Spectroscopic Investigations of Ten Systems","publication_year":2022,"publication_date":"2022-10-19","ids":{"openalex":"https://openalex.org/W4306776232","doi":"https://doi.org/10.3847/1538-3881/ac8ff2"},"language":"en","primary_location":{"id":"doi:10.3847/1538-3881/ac8ff2","doi":"https://doi.org/10.3847/1538-3881/ac8ff2","is_oa":true,"landing_page_url":"https://doi.org/10.3847/1538-3881/ac8ff2","pdf_url":"https://iopscience.iop.org/article/10.3847/1538-3881/ac8ff2/pdf","source":{"id":"https://openalex.org/S100695177","display_name":"The Astronomical Journal","issn_l":"0004-6256","issn":["0004-6256","1538-3881"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Astronomical Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://iopscience.iop.org/article/10.3847/1538-3881/ac8ff2/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100399995","display_name":"Kai Li","orcid":"https://orcid.org/0000-0003-3590-335X","observed_orcids":["https://orcid.org/0000-0003-3590-335X"]},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Kai Li","raw_affiliation_strings":["Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China; kaili@sdu.edu.cn","Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China"],"raw_orcid":"https://orcid.org/0000-0003-3590-335X","affiliations":[{"raw_affiliation_string":"Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China; kaili@sdu.edu.cn","institution_ids":["https://openalex.org/I154099455"]},{"raw_affiliation_string":"Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100622648","display_name":"Xiang Gao","orcid":"https://orcid.org/0009-0009-6364-0391","observed_orcids":["https://orcid.org/0009-0009-6364-0391"]},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]},{"id":"https://openalex.org/I2800999641","display_name":"Xinjiang Astronomical Observatory","ror":"https://ror.org/01pjxkf30","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2800999641","https://openalex.org/I4210164580"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiang Gao","raw_affiliation_strings":["Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China; kaili@sdu.edu.cn","Xinjiang Astronomical Observatory, 150 Science 1-Street, Urumqi 830011, People's Republic of China","Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China; kaili@sdu.edu.cn","institution_ids":["https://openalex.org/I154099455"]},{"raw_affiliation_string":"Xinjiang Astronomical Observatory, 150 Science 1-Street, Urumqi 830011, People's Republic of China","institution_ids":["https://openalex.org/I2800999641"]},{"raw_affiliation_string":"Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101872825","display_name":"Xin-Yi Liu","orcid":"https://orcid.org/0000-0003-2722-4795","observed_orcids":["https://orcid.org/0000-0003-2722-4795","https://orcid.org/0000-0003-1374-5178"]},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin-Yi Liu","raw_affiliation_strings":["Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China; kaili@sdu.edu.cn","Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China; kaili@sdu.edu.cn","institution_ids":["https://openalex.org/I154099455"]},{"raw_affiliation_string":"Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112865895","display_name":"Xing Gao","orcid":"https://orcid.org/0009-0008-6197-6417","observed_orcids":["https://orcid.org/0009-0008-6197-6417"]},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]},{"id":"https://openalex.org/I2800999641","display_name":"Xinjiang Astronomical Observatory","ror":"https://ror.org/01pjxkf30","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2800999641","https://openalex.org/I4210164580"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xing Gao","raw_affiliation_strings":["Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China; kaili@sdu.edu.cn","Xinjiang Astronomical Observatory, 150 Science 1-Street, Urumqi 830011, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China; kaili@sdu.edu.cn","institution_ids":["https://openalex.org/I154099455"]},{"raw_affiliation_string":"Xinjiang Astronomical Observatory, 150 Science 1-Street, Urumqi 830011, People's Republic of China","institution_ids":["https://openalex.org/I2800999641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078016657","display_name":"Ling-Zhi Li","orcid":"https://orcid.org/0000-0003-2722-4795","observed_orcids":["https://orcid.org/0000-0003-2722-4795"]},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ling-Zhi Li","raw_affiliation_strings":["Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China; kaili@sdu.edu.cn","Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China; kaili@sdu.edu.cn","institution_ids":["https://openalex.org/I154099455"]},{"raw_affiliation_string":"Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100385753","display_name":"Chen Xu","orcid":"https://orcid.org/0000-0003-0062-4705","observed_orcids":["https://orcid.org/0000-0003-0062-4705"]},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xu Chen","raw_affiliation_strings":["Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China; kaili@sdu.edu.cn","Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China; kaili@sdu.edu.cn","institution_ids":["https://openalex.org/I154099455"]},{"raw_affiliation_string":"Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, People's Republic of China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101715065","display_name":"G. Sun","orcid":"https://orcid.org/0000-0003-3162-3350","observed_orcids":["https://orcid.org/0000-0003-3162-3350"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Guo-You Sun","raw_affiliation_strings":["Wenzhou Astronomical Association, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wenzhou Astronomical Association, People's Republic of China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5078016657","https://openalex.org/A5100399995"],"corresponding_institution_ids":["https://openalex.org/I154099455"],"apc_list":{"value":4499,"currency":"USD","value_usd":4499},"apc_paid":{"value":4499,"currency":"USD","value_usd":4499},"fwci":5.1628,"has_fulltext":true,"cited_by_count":93,"citation_normalized_percentile":{"value":0.97579717,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":100},"biblio":{"volume":"164","issue":"5","first_page":"202","last_page":"202"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.9994999766349792,"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":0.9994999766349792,"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/T12917","display_name":"Astronomy and Astrophysical Research","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"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":9.999999747378752e-05,"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/o-connell-effect","display_name":"O'Connell effect","score":0.7369999885559082},{"id":"https://openalex.org/keywords/orbital-period-variations","display_name":"orbital period variations","score":0.6010000109672546},{"id":"https://openalex.org/keywords/h-alpha-emission","display_name":"H-alpha emission","score":0.7680000066757202},{"id":"https://openalex.org/keywords/chromospheric-activity","display_name":"chromospheric activity","score":0.9890000224113464},{"id":"https://openalex.org/keywords/orbital-angular-momentum","display_name":"orbital angular momentum","score":0.781000018119812},{"id":"https://openalex.org/keywords/instability-parameter","display_name":"instability parameter","score":0.5709999799728394},{"id":"https://openalex.org/keywords/evolutionary-state","display_name":"evolutionary state","score":0.5519999861717224},{"id":"https://openalex.org/keywords/asymmetric-light-curves","display_name":"asymmetric light curves","score":0.7400000095367432},{"id":"https://openalex.org/keywords/dark-spots","display_name":"dark spots","score":0.5789999961853027}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.9017439484596252},{"id":"https://openalex.org/C27574276","wikidata":"https://www.wikidata.org/wiki/Q2716249","display_name":"Contact binary","level":4,"score":0.8357928991317749},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.7748180627822876},{"id":"https://openalex.org/C188232333","wikidata":"https://www.wikidata.org/wiki/Q2406056","display_name":"Mass ratio","level":2,"score":0.7325976490974426},{"id":"https://openalex.org/C32224563","wikidata":"https://www.wikidata.org/wiki/Q37640","display_name":"Orbital period","level":3,"score":0.6325113773345947},{"id":"https://openalex.org/C155675718","wikidata":"https://www.wikidata.org/wiki/Q161254","display_name":"Angular momentum","level":2,"score":0.6061526536941528},{"id":"https://openalex.org/C130726490","wikidata":"https://www.wikidata.org/wiki/Q675076","display_name":"Light curve","level":2,"score":0.6016188859939575},{"id":"https://openalex.org/C2993805951","wikidata":"https://www.wikidata.org/wiki/Q1783105","display_name":"Contact system","level":2,"score":0.591924786567688},{"id":"https://openalex.org/C182283691","wikidata":"https://www.wikidata.org/wiki/Q978297","display_name":"Binary system","level":3,"score":0.4831652045249939},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.4796653091907501},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.4776286482810974},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.46660515666007996},{"id":"https://openalex.org/C207821765","wikidata":"https://www.wikidata.org/wiki/Q405372","display_name":"Instability","level":2,"score":0.42493927478790283},{"id":"https://openalex.org/C2777106203","wikidata":"https://www.wikidata.org/wiki/Q2111163","display_name":"Low Mass","level":3,"score":0.41794341802597046},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.36930420994758606},{"id":"https://openalex.org/C193786831","wikidata":"https://www.wikidata.org/wiki/Q50053","display_name":"Binary star","level":3,"score":0.3077754080295563},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.05954080820083618},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3847/1538-3881/ac8ff2","doi":"https://doi.org/10.3847/1538-3881/ac8ff2","is_oa":true,"landing_page_url":"https://doi.org/10.3847/1538-3881/ac8ff2","pdf_url":"https://iopscience.iop.org/article/10.3847/1538-3881/ac8ff2/pdf","source":{"id":"https://openalex.org/S100695177","display_name":"The Astronomical Journal","issn_l":"0004-6256","issn":["0004-6256","1538-3881"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Astronomical Journal","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2209.03653","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2209.03653","pdf_url":"https://arxiv.org/pdf/2209.03653","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.2209.03653","doi":"https://doi.org/10.48550/arxiv.2209.03653","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2209.03653","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.3847/1538-3881/ac8ff2","doi":"https://doi.org/10.3847/1538-3881/ac8ff2","is_oa":true,"landing_page_url":"https://doi.org/10.3847/1538-3881/ac8ff2","pdf_url":"https://iopscience.iop.org/article/10.3847/1538-3881/ac8ff2/pdf","source":{"id":"https://openalex.org/S100695177","display_name":"The Astronomical Journal","issn_l":"0004-6256","issn":["0004-6256","1538-3881"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Astronomical Journal","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G1897790657","display_name":"All-Sky Automated Survey for Supernovae","funder_award_id":"GBMF10501","funder_id":"https://openalex.org/F4320306202","funder_display_name":"Gordon and Betty Moore Foundation"},{"id":"https://openalex.org/G2068670940","display_name":null,"funder_award_id":"U1931103","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2115894122","display_name":null,"funder_award_id":"GBMF5490","funder_id":"https://openalex.org/F4320306151","funder_display_name":"Alfred P. Sloan Foundation"},{"id":"https://openalex.org/G3146311918","display_name":null,"funder_award_id":"G-2021-14192","funder_id":"https://openalex.org/F4320306151","funder_display_name":"Alfred P. Sloan Foundation"},{"id":"https://openalex.org/G3343103024","display_name":null,"funder_award_id":"CZ.1.05/3.2.00/08.0144","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3487421731","display_name":"ZWICKY TRANSIENT FACILITY","funder_award_id":"1440341","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G4039784666","display_name":null,"funder_award_id":"GBMF10501","funder_id":"https://openalex.org/F4320306151","funder_display_name":"Alfred P. Sloan Foundation"},{"id":"https://openalex.org/G5331208244","display_name":null,"funder_award_id":"11703016","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6023029756","display_name":null,"funder_award_id":"GBMF5490","funder_id":"https://openalex.org/F4320306101","funder_display_name":"National Aeronautics and Space Administration"},{"id":"https://openalex.org/G8003058724","display_name":"All Sky Automated Network","funder_award_id":"GBMF5490","funder_id":"https://openalex.org/F4320306202","funder_display_name":"Gordon and Betty Moore Foundation"},{"id":"https://openalex.org/G8116392387","display_name":null,"funder_award_id":"GBMF10501","funder_id":"https://openalex.org/F4320306101","funder_display_name":"National Aeronautics and Space Administration"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320306151","display_name":"Alfred P. Sloan Foundation","ror":"https://ror.org/052csg198"},{"id":"https://openalex.org/F4320306202","display_name":"Gordon and Betty Moore Foundation","ror":"https://ror.org/006wxqw41"},{"id":"https://openalex.org/F4320309374","display_name":"Ohio State University","ror":"https://ror.org/00rs6vg23"},{"id":"https://openalex.org/F4320309398","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055"},{"id":"https://openalex.org/F4320310094","display_name":"University of Washington","ror":"https://ror.org/00cvxb145"},{"id":"https://openalex.org/F4320311026","display_name":"Shandong University","ror":"https://ror.org/0207yh398"},{"id":"https://openalex.org/F4320318240","display_name":"European Space Agency","ror":"https://ror.org/03wd9za21"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321133","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35"},{"id":"https://openalex.org/F4320325669","display_name":"Stockholms Universitet","ror":"https://ror.org/05f0yaq80"},{"id":"https://openalex.org/F4320326446","display_name":"National Development and Reform Commission","ror":"https://ror.org/017a59b72"},{"id":"https://openalex.org/F4320326548","display_name":"Masarykova Univerzita","ror":"https://ror.org/02j46qs45"},{"id":"https://openalex.org/F4320333962","display_name":"Science Mission Directorate","ror":null},{"id":"https://openalex.org/F4320334759","display_name":"Deutsches Elektronen-Synchrotron","ror":"https://ror.org/01js2sh04"},{"id":"https://openalex.org/F4320336283","display_name":"National Astronomical Observatories, Chinese Academy of Sciences","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4306776232.pdf","grobid_xml":"https://content.openalex.org/works/W4306776232.grobid-xml"},"referenced_works_count":69,"referenced_works":["https://openalex.org/W1649147986","https://openalex.org/W1950514562","https://openalex.org/W1972546284","https://openalex.org/W1984890696","https://openalex.org/W1992218070","https://openalex.org/W1999652311","https://openalex.org/W2002504086","https://openalex.org/W2006842939","https://openalex.org/W2014206879","https://openalex.org/W2025168219","https://openalex.org/W2028797483","https://openalex.org/W2036406818","https://openalex.org/W2043811037","https://openalex.org/W2045251415","https://openalex.org/W2059879627","https://openalex.org/W2061933991","https://openalex.org/W2062480045","https://openalex.org/W2067018117","https://openalex.org/W2069991448","https://openalex.org/W2073071697","https://openalex.org/W2076236953","https://openalex.org/W2082300462","https://openalex.org/W2083019632","https://openalex.org/W2085332993","https://openalex.org/W2087727980","https://openalex.org/W2089966685","https://openalex.org/W2100970357","https://openalex.org/W2105401321","https://openalex.org/W2124117475","https://openalex.org/W2129950018","https://openalex.org/W2133620426","https://openalex.org/W2136145734","https://openalex.org/W2155488926","https://openalex.org/W2157929741","https://openalex.org/W2162182164","https://openalex.org/W2168961363","https://openalex.org/W2302113383","https://openalex.org/W2464094552","https://openalex.org/W2560215410","https://openalex.org/W2568796141","https://openalex.org/W2612914168","https://openalex.org/W2721327568","https://openalex.org/W2744797961","https://openalex.org/W2761986865","https://openalex.org/W2791716376","https://openalex.org/W2796458498","https://openalex.org/W2905241809","https://openalex.org/W2905450617","https://openalex.org/W2921608026","https://openalex.org/W2925202930","https://openalex.org/W2942829490","https://openalex.org/W2950529756","https://openalex.org/W2962733694","https://openalex.org/W2981241704","https://openalex.org/W3010110414","https://openalex.org/W3026631513","https://openalex.org/W3093104432","https://openalex.org/W3101224812","https://openalex.org/W3105574780","https://openalex.org/W3134355756","https://openalex.org/W3159924627","https://openalex.org/W3176948516","https://openalex.org/W3197285279","https://openalex.org/W3197906296","https://openalex.org/W4200632642","https://openalex.org/W4206641619","https://openalex.org/W4220980760","https://openalex.org/W4255135604","https://openalex.org/W4302355992"],"related_works":["https://openalex.org/W4416011764","https://openalex.org/W4410195297","https://openalex.org/W4388925026","https://openalex.org/W7204845996","https://openalex.org/W4410949127","https://openalex.org/W4400520599","https://openalex.org/W7222202297","https://openalex.org/W4313892660","https://openalex.org/W4386931093","https://openalex.org/W7102177424"],"abstract_inverted_index":{"Abstract":[0],"The":[1,88,114,140,200],"photometric":[2],"and":[3,67,124,153,181,207],"spectroscopic":[4],"investigations":[5],"of":[6,23,41,61,73,83,92,105,143,147,165,174,196,203,210],"ten":[7,26,94,127,149,187,223],"contact":[8,38,45,50,58,168,198,224],"binaries":[9,95,150,225],"were":[10,117,151,212],"presented":[11],"for":[12],"the":[13,20,25,64,74,84,93,110,120,126,133,144,148,166,172,175,186,192,204,208,216,222],"first":[14],"time.":[15],"It":[16],"is":[17,55,155],"discovered":[18,185],"that":[19,97,157,221],"mass":[21,36],"ratios":[22],"all":[24,99,125],"targets":[27,128],"are":[28,33,43,48,107,112,161,226],"smaller":[29],"than":[30],"0.15,":[31],"they":[32,98],"extremely":[34],"low":[35],"ratio":[37],"binaries.":[39,169],"Seven":[40],"them":[42,62,106,211],"deep":[44],"binaries,":[46,51],"two":[47,75,145,205],"medium":[49],"while":[52,109],"only":[53],"one":[54,72],"a":[56,68,80,197],"shallow":[57],"system.":[59],"Five":[60],"show":[63],"O\u2019Connell":[65],"effect,":[66],"dark":[69],"spot":[70],"on":[71,171],"components":[76,146,206],"can":[77],"lead":[78],"to":[79,163],"good":[81],"fit":[82],"asymmetric":[85],"light":[86],"curves.":[87],"orbital":[89,178],"period":[90,102],"studies":[91],"reveal":[96],"exhibit":[100,129],"long-term":[101],"changes,":[103],"six":[104],"increasing,":[108],"others":[111],"shrinking.":[113],"LAMOST":[115],"spectra":[116],"analyzed":[118],"by":[119],"spectral":[121],"subtraction":[122],"method,":[123],"excess":[130],"emissions":[131],"in":[132],"H":[134],"\u03b1":[135],"line,":[136],"indicating":[137],"chromospheric":[138],"activity.":[139],"evolutionary":[141,159,194],"states":[142,160],"studied,":[152],"it":[154],"found":[156,220],"their":[158],"identical":[162],"those":[164],"other":[167],"Based":[170],"study":[173],"relation":[176],"between":[177],"angular":[179],"momentum":[180],"total":[182],"mass,":[183],"we":[184,219],"systems":[188],"may":[189],"be":[190],"at":[191,229],"late":[193],"stage":[195],"binary.":[199],"initial":[201],"masses":[202],"ages":[209],"obtained.":[213],"By":[214],"calculating":[215],"instability":[217],"parameters,":[218],"relatively":[227],"stable":[228],"present.":[230]},"counts_by_year":[{"year":2026,"cited_by_count":22},{"year":2025,"cited_by_count":34},{"year":2024,"cited_by_count":23},{"year":2023,"cited_by_count":13},{"year":2022,"cited_by_count":1}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2022-10-19T00:00:00"}