{"id":"https://openalex.org/W7224939019","doi":"https://doi.org/10.1093/mnras/stag2001","title":"Revealing the extended stellar structure of the binary cluster NGC 5617\u2013Trumpler 22 with Gaia DR3","display_name":"Revealing the extended stellar structure of the binary cluster NGC 5617\u2013Trumpler 22 with Gaia DR3","publication_year":2026,"publication_date":"2026-10-29","ids":{"openalex":"https://openalex.org/W7224939019","doi":"https://doi.org/10.1093/mnras/stag2001"},"language":"en","primary_location":{"id":"doi:10.1093/mnras/stag2001","doi":"https://doi.org/10.1093/mnras/stag2001","is_oa":true,"landing_page_url":"https://doi.org/10.1093/mnras/stag2001","pdf_url":"https://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stag2001/72621444/stag2001.pdf","source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stag2001/72621444/stag2001.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5049766909","display_name":"Chaolin Yu","orcid":"https://orcid.org/0009-0005-5305-7224","observed_orcids":["https://orcid.org/0009-0005-5305-7224"]},"institutions":[{"id":"https://openalex.org/I6593398","display_name":"Dali University","ror":"https://ror.org/02y7rck89","country_code":"CN","type":"education","lineage":["https://openalex.org/I6593398"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chaolin Yu","raw_affiliation_strings":["Institute of Astronomy and Information, Dali University , Dali 671003 ,"],"raw_orcid":"https://orcid.org/0009-0005-5305-7224","affiliations":[{"raw_affiliation_string":"Institute of Astronomy and Information, Dali University , Dali 671003 ,","institution_ids":["https://openalex.org/I6593398"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068152954","display_name":"Zhongmu Li","orcid":"https://orcid.org/0000-0002-0240-6130","observed_orcids":["https://orcid.org/0000-0002-0240-6130"]},"institutions":[{"id":"https://openalex.org/I6593398","display_name":"Dali University","ror":"https://ror.org/02y7rck89","country_code":"CN","type":"education","lineage":["https://openalex.org/I6593398"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhongmu Li","raw_affiliation_strings":["Institute of Astronomy and Information, Dali University , Dali 671003 ,"],"raw_orcid":"https://orcid.org/0000-0002-0240-6130","affiliations":[{"raw_affiliation_string":"Institute of Astronomy and Information, Dali University , Dali 671003 ,","institution_ids":["https://openalex.org/I6593398"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082633243","display_name":"Bingjie Qian","orcid":"https://orcid.org/0009-0003-9561-897X","observed_orcids":["https://orcid.org/0009-0003-9561-897X"]},"institutions":[{"id":"https://openalex.org/I6593398","display_name":"Dali University","ror":"https://ror.org/02y7rck89","country_code":"CN","type":"education","lineage":["https://openalex.org/I6593398"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bingjie Qian","raw_affiliation_strings":["Institute of Astronomy and Information, Dali University , Dali 671003 ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Astronomy and Information, Dali University , Dali 671003 ,","institution_ids":["https://openalex.org/I6593398"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5122060183","display_name":"Jie Lan","orcid":"https://orcid.org/0009-0004-9770-9063","observed_orcids":["https://orcid.org/0009-0004-9770-9063"]},"institutions":[{"id":"https://openalex.org/I6593398","display_name":"Dali University","ror":"https://ror.org/02y7rck89","country_code":"CN","type":"education","lineage":["https://openalex.org/I6593398"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Lan","raw_affiliation_strings":["Institute of Astronomy and Information, Dali University , Dali 671003 ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Astronomy and Information, Dali University , Dali 671003 ,","institution_ids":["https://openalex.org/I6593398"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5068152954"],"corresponding_institution_ids":["https://openalex.org/I6593398"],"apc_list":{"value":2310,"currency":"GBP","value_usd":3046},"apc_paid":{"value":2310,"currency":"GBP","value_usd":3046},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"553","issue":"2","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.9951000213623047,"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":0.9951000213623047,"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/T10477","display_name":"Astrophysics and Star Formation Studies","score":0.002400000113993883,"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":0.0008999999845400453,"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/binary-clusters","display_name":"binary clusters","score":0.7059999704360962},{"id":"https://openalex.org/keywords/open-clusters","display_name":"open clusters","score":0.859000027179718},{"id":"https://openalex.org/keywords/cluster-halos","display_name":"cluster halos","score":0.7799999713897705},{"id":"https://openalex.org/keywords/cluster-membership-selection","display_name":"cluster membership selection","score":0.5099999904632568},{"id":"https://openalex.org/keywords/dbscan","display_name":"DBSCAN","score":0.7300000190734863},{"id":"https://openalex.org/keywords/star-formation","display_name":"star formation","score":0.6079999804496765},{"id":"https://openalex.org/keywords/cluster-dynamical-evolution","display_name":"cluster dynamical evolution","score":0.5669999718666077},{"id":"https://openalex.org/keywords/gaia-dr3-astrometry","display_name":"Gaia DR3 astrometry","score":0.7429999709129333}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.9650999903678894},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.8197000026702881},{"id":"https://openalex.org/C52348108","wikidata":"https://www.wikidata.org/wiki/Q11387","display_name":"Open cluster","level":3,"score":0.621399998664856},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.5982000231742859},{"id":"https://openalex.org/C48393594","wikidata":"https://www.wikidata.org/wiki/Q168845","display_name":"Star cluster","level":3,"score":0.5846999883651733},{"id":"https://openalex.org/C164866538","wikidata":"https://www.wikidata.org/wiki/Q367351","display_name":"Cluster (spacecraft)","level":2,"score":0.5845000147819519},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.48190000653266907},{"id":"https://openalex.org/C184665706","wikidata":"https://www.wikidata.org/wiki/Q186310","display_name":"Halo","level":3,"score":0.47189998626708984},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.45890000462532043},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.4505999982357025},{"id":"https://openalex.org/C156055797","wikidata":"https://www.wikidata.org/wiki/Q204107","display_name":"Galaxy cluster","level":3,"score":0.4002000093460083},{"id":"https://openalex.org/C193786831","wikidata":"https://www.wikidata.org/wiki/Q50053","display_name":"Binary star","level":3,"score":0.3995000123977661},{"id":"https://openalex.org/C137650753","wikidata":"https://www.wikidata.org/wiki/Q6495","display_name":"Stellar structure","level":4,"score":0.36160001158714294},{"id":"https://openalex.org/C168589115","wikidata":"https://www.wikidata.org/wiki/Q3079618","display_name":"Stellar mass","level":4,"score":0.3594000041484833},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.34709998965263367},{"id":"https://openalex.org/C101991246","wikidata":"https://www.wikidata.org/wiki/Q5422078","display_name":"Extinction (optical mineralogy)","level":2,"score":0.3296999931335449},{"id":"https://openalex.org/C110472602","wikidata":"https://www.wikidata.org/wiki/Q6472","display_name":"Stellar evolution","level":3,"score":0.31610000133514404},{"id":"https://openalex.org/C2778495469","wikidata":"https://www.wikidata.org/wiki/Q3954343","display_name":"Mass segregation","level":4,"score":0.3100000023841858},{"id":"https://openalex.org/C29975890","wikidata":"https://www.wikidata.org/wiki/Q3270143","display_name":"Hertzsprung\u2013Russell diagram","level":4,"score":0.2946999967098236},{"id":"https://openalex.org/C66362828","wikidata":"https://www.wikidata.org/wiki/Q208620","display_name":"Hubble sequence","level":4,"score":0.29420000314712524},{"id":"https://openalex.org/C186399060","wikidata":"https://www.wikidata.org/wiki/Q959962","display_name":"Diagram","level":2,"score":0.2825999855995178},{"id":"https://openalex.org/C125857072","wikidata":"https://www.wikidata.org/wiki/Q16744","display_name":"Star formation","level":3,"score":0.27869999408721924},{"id":"https://openalex.org/C167739726","wikidata":"https://www.wikidata.org/wiki/Q6440","display_name":"Stellar kinematics","level":4,"score":0.2750000059604645},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.27090001106262207},{"id":"https://openalex.org/C168020605","wikidata":"https://www.wikidata.org/wiki/Q5848","display_name":"Blue straggler","level":4,"score":0.2702000141143799},{"id":"https://openalex.org/C23254167","wikidata":"https://www.wikidata.org/wiki/Q497654","display_name":"Young stellar object","level":4,"score":0.26969999074935913},{"id":"https://openalex.org/C182283691","wikidata":"https://www.wikidata.org/wiki/Q978297","display_name":"Binary system","level":3,"score":0.26930001378059387},{"id":"https://openalex.org/C2778521188","wikidata":"https://www.wikidata.org/wiki/Q7607197","display_name":"Stellar density","level":3,"score":0.266400009393692},{"id":"https://openalex.org/C98176478","wikidata":"https://www.wikidata.org/wiki/Q6333","display_name":"Stellar dynamics","level":3,"score":0.25270000100135803}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1093/mnras/stag2001","doi":"https://doi.org/10.1093/mnras/stag2001","is_oa":true,"landing_page_url":"https://doi.org/10.1093/mnras/stag2001","pdf_url":"https://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stag2001/72621444/stag2001.pdf","source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1093/mnras/stag2001","doi":"https://doi.org/10.1093/mnras/stag2001","is_oa":true,"landing_page_url":"https://doi.org/10.1093/mnras/stag2001","pdf_url":"https://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stag2001/72621444/stag2001.pdf","source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G5773189327","display_name":null,"funder_award_id":"12473029","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"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/F4320325826","display_name":"Dali University","ror":"https://ror.org/02y7rck89"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7224939019.pdf","grobid_xml":"https://content.openalex.org/works/W7224939019.grobid-xml"},"referenced_works_count":35,"referenced_works":["https://openalex.org/W1521714433","https://openalex.org/W1821784208","https://openalex.org/W1998840821","https://openalex.org/W2013125991","https://openalex.org/W2151292645","https://openalex.org/W2231052552","https://openalex.org/W2734846955","https://openalex.org/W2806988361","https://openalex.org/W2900237302","https://openalex.org/W2915443834","https://openalex.org/W3122711837","https://openalex.org/W3131141353","https://openalex.org/W3134511569","https://openalex.org/W3179337912","https://openalex.org/W4205344594","https://openalex.org/W4214579204","https://openalex.org/W4220717301","https://openalex.org/W4281694390","https://openalex.org/W4281784982","https://openalex.org/W4282813832","https://openalex.org/W4289442150","https://openalex.org/W4292400099","https://openalex.org/W4293348950","https://openalex.org/W4312077014","https://openalex.org/W4320482149","https://openalex.org/W4392612179","https://openalex.org/W4393859095","https://openalex.org/W4405994020","https://openalex.org/W4410789828","https://openalex.org/W4412566512","https://openalex.org/W4414116202","https://openalex.org/W4414347619","https://openalex.org/W7118521104","https://openalex.org/W7127043545","https://openalex.org/W7135084198"],"related_works":["https://openalex.org/W3134511569","https://openalex.org/W7110972979","https://openalex.org/W1821784208","https://openalex.org/W3036830585","https://openalex.org/W6903215004","https://openalex.org/W4320163788","https://openalex.org/W4205344594","https://openalex.org/W7160422039","https://openalex.org/W3099919218","https://openalex.org/W3005139217"],"abstract_inverted_index":{"ABSTRACT":[0],"Binary":[1,63],"clusters":[2,35],"are":[3],"important":[4],"laboratories":[5],"for":[6,86],"studying":[7],"star":[8,241],"formation,":[9],"the":[10,33,61,71,76,115,146,171,175,196,228,232,240],"early":[11],"dynamical":[12],"evolution":[13],"of":[14,51,60,75,111,139,174,189,239],"open":[15],"clusters,":[16],"and":[17,44,83,96,125,192,206,208],"interactions":[18],"between":[19],"stellar":[20,49,73],"systems.":[21],"NGC":[22,52,77,158],"5617\u2013Trumpler":[23,53,78,159],"22":[24,54,79],"is":[25],"a":[26,106,109,162,236],"young":[27],"binary":[28,80,197],"cluster":[29,81,198],"candidate":[30,133],"in":[31,131],"which":[32],"two":[34,176,181,218],"it":[36],"contains":[37],"have":[38],"similar":[39,203,212],"distances,":[40],"ages,":[41],"extinction":[42],"values,":[43],"kinematic":[45],"properties.":[46],"The":[47,136],"large-scale":[48,72],"structure":[50,74,156],"remains":[55],"insufficiently":[56],"explored.":[57],"As":[58],"part":[59],"Dali":[62],"Cluster":[64],"Project,":[65],"this":[66],"study":[67],"aims":[68],"to":[69,84,104,166],"explore":[70],"system":[82],"search":[85],"external":[87,184],"substructures":[88,185],"associated":[89],"with":[90,108],"it.":[91],"We":[92,151,178],"used":[93],"high-precision":[94],"astrometric":[95],"photometric":[97],"data":[98],"from":[99,195,227],"Gaia":[100],"Data":[101],"Release":[102],"3":[103],"analyse":[105],"region":[107],"radius":[110],"$7.5^\\circ$":[112],"centred":[113],"on":[114,161],"system.":[116],"Candidate":[117],"members":[118,141],"were":[119],"selected":[120],"by":[121],"combining":[122],"proper-motion,":[123],"parallax,":[124],"colour\u2013magnitude":[126],"diagram":[127],"(CMD)":[128],"criteria,":[129],"resulting":[130],"4111":[132],"member":[134],"stars.":[135],"spatial":[137],"distribution":[138],"these":[140],"was":[142],"further":[143],"analysed":[144],"using":[145],"density-based":[147],"clustering":[148],"algorithm":[149],"DBSCAN.":[150],"identify":[152],"an":[153],"extended":[154],"halo":[155],"around":[157],"22,":[160],"scale":[163],"about":[164,190],"six":[165],"eight":[167],"times":[168],"larger":[169],"than":[170],"core":[172],"radii":[173],"clusters.":[177,247],"also":[179],"detect":[180],"previously":[182],"uncatalogued":[183],"at":[186],"projected":[187],"distances":[188],"55.61":[191],"152.94":[193],"pc":[194],"centre.":[199],"These":[200],"components":[201],"show":[202],"proper":[204],"motions":[205,216],"parallaxes,":[207],"their":[209],"CMDs":[210],"indicate":[211],"ages.":[213],"Relative":[214],"tangential":[215],"suggest":[217],"possible":[219],"origins:":[220],"one":[221],"may":[222,234],"involve":[223],"stars":[224],"moving":[225],"outwards":[226],"central":[229],"region,":[230],"whereas":[231],"other":[233],"be":[235],"primordial":[237],"remnant":[238],"formation":[242],"event":[243],"that":[244],"produced":[245],"both":[246]},"counts_by_year":[],"updated_date":"2026-11-13T13:42:25.865203","created_date":"2026-10-31T00:00:00"}