{"id":"https://openalex.org/W7203469720","doi":"https://doi.org/10.3847/1538-3881/ae9a8a","title":"Differential Reddening and Extinction Law Analyses of Galactic Open Clusters","display_name":"Differential Reddening and Extinction Law Analyses of Galactic Open Clusters","publication_year":2026,"publication_date":"2026-09-30","ids":{"openalex":"https://openalex.org/W7203469720","doi":"https://doi.org/10.3847/1538-3881/ae9a8a"},"language":"en","primary_location":{"id":"doi:10.3847/1538-3881/ae9a8a","doi":"https://doi.org/10.3847/1538-3881/ae9a8a","is_oa":true,"landing_page_url":"https://doi.org/10.3847/1538-3881/ae9a8a","pdf_url":"https://iopscience.iop.org/article/10.3847/1538-3881/ae9a8a/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/ae9a8a/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5133052946","display_name":"Xiaohan Chen","orcid":"https://orcid.org/0009-0007-2538-5102","observed_orcids":["https://orcid.org/0009-0007-2538-5102"]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohan Chen","raw_affiliation_strings":["Beijing Normal University","Chinese Academy of Sciences","University of the Chinese Academy of Sciences"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Normal University","institution_ids":["https://openalex.org/I25254941"]},{"raw_affiliation_string":"Chinese Academy of Sciences","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of the Chinese Academy of Sciences","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121653603","display_name":"Shu Wang","orcid":"https://orcid.org/0000-0003-4489-9794","observed_orcids":["https://orcid.org/0000-0003-4489-9794"]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shu Wang","raw_affiliation_strings":["Chinese Academy of Sciences","University of the Chinese Academy of Sciences"],"raw_orcid":"https://orcid.org/0000-0003-4489-9794","affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of the Chinese Academy of Sciences","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082239402","display_name":"Xiaodian Chen","orcid":"https://orcid.org/0000-0001-7084-0484","observed_orcids":["https://orcid.org/0000-0001-7084-0484"]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaodian Chen","raw_affiliation_strings":["Beijing Normal University","Chinese Academy of Sciences","University of the Chinese Academy of Sciences"],"raw_orcid":"https://orcid.org/0000-0001-7084-0484","affiliations":[{"raw_affiliation_string":"Beijing Normal University","institution_ids":["https://openalex.org/I25254941"]},{"raw_affiliation_string":"Chinese Academy of Sciences","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of the Chinese Academy of Sciences","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4499,"currency":"USD","value_usd":4499},"apc_paid":{"value":4499,"currency":"USD","value_usd":4499},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.51723832,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"172","issue":"4","first_page":"241","last_page":"241"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.8842999935150146,"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":0.8842999935150146,"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":0.10610000044107437,"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":0.002899999963119626,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/differential-reddening","display_name":"differential reddening","score":0.8550000190734863},{"id":"https://openalex.org/keywords/interstellar-extinction","display_name":"interstellar extinction","score":0.7509999871253967},{"id":"https://openalex.org/keywords/open-clusters","display_name":"open clusters","score":0.7789999842643738},{"id":"https://openalex.org/keywords/color-excess","display_name":"color excess","score":0.5849999785423279},{"id":"https://openalex.org/keywords/extinction-law","display_name":"extinction law","score":0.5329999923706055},{"id":"https://openalex.org/keywords/interstellar-dust","display_name":"interstellar dust","score":0.6959999799728394},{"id":"https://openalex.org/keywords/galactic-disk","display_name":"Galactic disk","score":0.6779999732971191},{"id":"https://openalex.org/keywords/color-magnitude-diagram","display_name":"color-magnitude diagram","score":0.7110000252723694}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8352000117301941},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.792900025844574},{"id":"https://openalex.org/C52348108","wikidata":"https://www.wikidata.org/wiki/Q11387","display_name":"Open cluster","level":3,"score":0.7599999904632568},{"id":"https://openalex.org/C101991246","wikidata":"https://www.wikidata.org/wiki/Q5422078","display_name":"Extinction (optical mineralogy)","level":2,"score":0.6786999702453613},{"id":"https://openalex.org/C183582522","wikidata":"https://www.wikidata.org/wiki/Q3239165","display_name":"Galactic plane","level":3,"score":0.6226999759674072},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.5989000201225281},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.5491999983787537},{"id":"https://openalex.org/C164866538","wikidata":"https://www.wikidata.org/wiki/Q367351","display_name":"Cluster (spacecraft)","level":2,"score":0.5317000150680542},{"id":"https://openalex.org/C68271606","wikidata":"https://www.wikidata.org/wiki/Q625648","display_name":"Photometry (optics)","level":3,"score":0.5303999781608582},{"id":"https://openalex.org/C48393594","wikidata":"https://www.wikidata.org/wiki/Q168845","display_name":"Star cluster","level":3,"score":0.5080999732017517},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.45170000195503235},{"id":"https://openalex.org/C66882249","wikidata":"https://www.wikidata.org/wiki/Q169336","display_name":"Homogeneous","level":2,"score":0.39309999346733093},{"id":"https://openalex.org/C196939603","wikidata":"https://www.wikidata.org/wiki/Q41872","display_name":"Interstellar medium","level":3,"score":0.3862000107765198},{"id":"https://openalex.org/C83160514","wikidata":"https://www.wikidata.org/wiki/Q17512228","display_name":"Galaxy groups and clusters","level":4,"score":0.3846000134944916},{"id":"https://openalex.org/C190841160","wikidata":"https://www.wikidata.org/wiki/Q193384","display_name":"Cosmic dust","level":2,"score":0.3628999888896942},{"id":"https://openalex.org/C156055797","wikidata":"https://www.wikidata.org/wiki/Q204107","display_name":"Galaxy cluster","level":3,"score":0.3562999963760376},{"id":"https://openalex.org/C2778316820","wikidata":"https://www.wikidata.org/wiki/Q948944","display_name":"Photometric system","level":4,"score":0.31700000166893005},{"id":"https://openalex.org/C99465377","wikidata":"https://www.wikidata.org/wiki/Q217030","display_name":"Metallicity","level":3,"score":0.2606000006198883},{"id":"https://openalex.org/C134284744","wikidata":"https://www.wikidata.org/wiki/Q1358411","display_name":"Red clump","level":4,"score":0.2556999921798706}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3847/1538-3881/ae9a8a","doi":"https://doi.org/10.3847/1538-3881/ae9a8a","is_oa":true,"landing_page_url":"https://doi.org/10.3847/1538-3881/ae9a8a","pdf_url":"https://iopscience.iop.org/article/10.3847/1538-3881/ae9a8a/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:2608.13313","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.13313","pdf_url":"https://arxiv.org/pdf/2608.13313","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":"pmh:oai:doaj.org/article:84c2628e1e3b449c98ef51177dec58b2","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/84c2628e1e3b449c98ef51177dec58b2","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"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":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"The Astronomical Journal, Vol 172, Iss 4, p 241 (2026)","raw_type":"article"},{"id":"doi:10.48550/arxiv.2608.13313","doi":"https://doi.org/10.48550/arxiv.2608.13313","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2608.13313","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":"Preprint"}],"best_oa_location":{"id":"doi:10.3847/1538-3881/ae9a8a","doi":"https://doi.org/10.3847/1538-3881/ae9a8a","is_oa":true,"landing_page_url":"https://doi.org/10.3847/1538-3881/ae9a8a","pdf_url":"https://iopscience.iop.org/article/10.3847/1538-3881/ae9a8a/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/G1438093977","display_name":null,"funder_award_id":"12322306","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G280387165","display_name":null,"funder_award_id":"12133002","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3577942384","display_name":null,"funder_award_id":"12373028","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4045117000","display_name":null,"funder_award_id":"2022055","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6337425469","display_name":null,"funder_award_id":"12173047","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8069109440","display_name":null,"funder_award_id":"2023065","funder_id":"https://openalex.org/F4320335892","funder_display_name":"Youth Innovation Promotion Association"}],"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/F4320335892","display_name":"Youth Innovation Promotion Association","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7203469720.pdf","grobid_xml":"https://content.openalex.org/works/W7203469720.grobid-xml"},"referenced_works_count":41,"referenced_works":["https://openalex.org/W1974878478","https://openalex.org/W1984811360","https://openalex.org/W2074957408","https://openalex.org/W2078432717","https://openalex.org/W2093012520","https://openalex.org/W2142220522","https://openalex.org/W2157805129","https://openalex.org/W2160085385","https://openalex.org/W2272085088","https://openalex.org/W2770425193","https://openalex.org/W2797545554","https://openalex.org/W2804603778","https://openalex.org/W2896306934","https://openalex.org/W2938174681","https://openalex.org/W2962333809","https://openalex.org/W2991321477","https://openalex.org/W3001689312","https://openalex.org/W3017279354","https://openalex.org/W3111835394","https://openalex.org/W3137722778","https://openalex.org/W3178585771","https://openalex.org/W3209353257","https://openalex.org/W4281694390","https://openalex.org/W4360824640","https://openalex.org/W4361003005","https://openalex.org/W4382404430","https://openalex.org/W4383264509","https://openalex.org/W4386863339","https://openalex.org/W4387340775","https://openalex.org/W4389440329","https://openalex.org/W4389655435","https://openalex.org/W4392612179","https://openalex.org/W4399388206","https://openalex.org/W4402976333","https://openalex.org/W4403259360","https://openalex.org/W4407112367","https://openalex.org/W4408399302","https://openalex.org/W4408675467","https://openalex.org/W4415610256","https://openalex.org/W7089736149","https://openalex.org/W7151852954"],"related_works":["https://openalex.org/W7167605456","https://openalex.org/W4362723106","https://openalex.org/W2079275271","https://openalex.org/W2770425193","https://openalex.org/W2100511582","https://openalex.org/W1974370742","https://openalex.org/W7058399994","https://openalex.org/W2074957408","https://openalex.org/W7099252899","https://openalex.org/W1552632712"],"abstract_inverted_index":{"Abstract":[0],"Extinction":[1],"significantly":[2],"affects":[3],"open":[4],"cluster":[5,63,104],"(OC)":[6],"parameters":[7],"and":[8,35,45,56,103,130],"their":[9],"use":[10],"in":[11,92,141],"studies":[12],"of":[13,20,42,50,94],"Galactic":[14,78,136,149],"structure,":[15],"yet":[16],"homogeneous":[17,48],"large-sample":[18],"measurements":[19],"OC":[21,28],"extinction":[22,82,110,123],"properties":[23],"remain":[24],"limited.":[25],"Using":[26],"Gaia-era":[27],"member":[29,43],"samples":[30],"combined":[31],"with":[32,69,72,98,117],"multiband":[33],"photometry":[34],"stellar":[36],"parameters,":[37],"we":[38],"derive":[39],"color":[40,57,105],"excesses":[41],"stars":[44],"provide":[46],"the":[47,51,62,77,118,126,135,142],"characterization":[49],"mean":[52,70],"reddening,":[53,55,71],"differential":[54],"excess":[58,106],"ratio":[59],"(CER)":[60],"at":[61],"scale.":[64],"Differential":[65],"reddening":[66,85],"increases":[67],"systematically":[68],"highly":[73],"reddened":[74],"clusters":[75,96],"near":[76],"plane":[79],"showing":[80],"stronger":[81],"variations.":[83],"Star-by-star":[84],"corrections":[86],"narrow":[87],"color\u2013magnitude":[88],"diagram":[89],"(CMD)":[90],"sequences":[91],"369":[93],"435":[95],"(85%)":[97],"reliable":[99],"CMD":[100],"width":[101],"measurements,":[102],"maps":[107],"reveal":[108],"small-scale":[109],"structures.":[111],"The":[112],"median":[113],"CER":[114,128],"is":[115],"compatible":[116],"standard":[119],"diffuse":[120],"interstellar":[121],"medium":[122],"curve,":[124],"while":[125],"broad":[127],"distribution":[129],"its":[131],"large-scale":[132],"variations":[133],"across":[134],"disk":[137],"likely":[138],"reflect":[139],"differences":[140],"dominant":[143],"dust":[144],"environments":[145],"sampled":[146],"along":[147],"different":[148],"sight":[150],"lines.":[151]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2026-08-15T00:00:00"}
