{"id":"https://openalex.org/W2126765729","doi":"https://doi.org/10.1046/j.1365-8711.2001.04214.x","title":"On the apparent coupling of neutral hydrogen and dark matter in spiral galaxies","display_name":"On the apparent coupling of neutral hydrogen and dark matter in spiral galaxies","publication_year":2001,"publication_date":"2001-05-11","ids":{"openalex":"https://openalex.org/W2126765729","doi":"https://doi.org/10.1046/j.1365-8711.2001.04214.x","mag":"2126765729"},"language":"en","primary_location":{"id":"doi:10.1046/j.1365-8711.2001.04214.x","doi":"https://doi.org/10.1046/j.1365-8711.2001.04214.x","is_oa":true,"landing_page_url":"https://doi.org/10.1046/j.1365-8711.2001.04214.x","pdf_url":"https://academic.oup.com/mnras/article-pdf/323/2/453/4076900/323-2-453.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":false,"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":null,"license_id":null,"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":["arxiv","crossref","datacite","doaj"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://academic.oup.com/mnras/article-pdf/323/2/453/4076900/323-2-453.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5040514228","display_name":"Henk Hoekstra","orcid":"https://orcid.org/0000-0002-0641-3231","observed_orcids":["https://orcid.org/0000-0002-0641-3231","https://orcid.org/0000-0001-9550-4997"]},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]},{"id":"https://openalex.org/I4210110940","display_name":"Canadian Institute for Theoretical Astrophysics","ror":"https://ror.org/0265wc016","country_code":"CA","type":"facility","lineage":["https://openalex.org/I185261750","https://openalex.org/I4210110940"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"H. Hoekstra","raw_affiliation_strings":["CITA and Astronomy Department , University of Toronto , 60 St. George Street , M55 3H8 Toronto , Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CITA and Astronomy Department , University of Toronto , 60 St. George Street , M55 3H8 Toronto , Canada","institution_ids":["https://openalex.org/I185261750","https://openalex.org/I4210110940"]}]},{"author_position":"middle","author":{"id":null,"display_name":"T. S. van Albada","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I169381384","display_name":"University of Groningen","ror":"https://ror.org/012p63287","country_code":"NL","type":"education","lineage":["https://openalex.org/I169381384"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"T. S. van Albada","raw_affiliation_strings":["Kapteyn Astronomical Institute, University of Groningen, Postbus 800, 9700 AV Groningen, the Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kapteyn Astronomical Institute, University of Groningen, Postbus 800, 9700 AV Groningen, the Netherlands","institution_ids":["https://openalex.org/I169381384"]}]},{"author_position":"last","author":{"id":null,"display_name":"R. Sancisi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I169381384","display_name":"University of Groningen","ror":"https://ror.org/012p63287","country_code":"NL","type":"education","lineage":["https://openalex.org/I169381384"]},{"id":"https://openalex.org/I4210086498","display_name":"Osservatorio astronomico di Bologna","ror":"https://ror.org/002hc6y19","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210086498","https://openalex.org/I4387152681","https://openalex.org/I875825670"]}],"countries":["IT","NL"],"is_corresponding":false,"raw_author_name":"R. Sancisi","raw_affiliation_strings":["Kapteyn Astronomical Institute, University of Groningen, Postbus 800, 9700 AV Groningen, the Netherlands","Osservatorio Astronomico, Via Ranzani 1, I-40127 Bologna, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kapteyn Astronomical Institute, University of Groningen, Postbus 800, 9700 AV Groningen, the Netherlands","institution_ids":["https://openalex.org/I169381384"]},{"raw_affiliation_string":"Osservatorio Astronomico, Via Ranzani 1, I-40127 Bologna, Italy","institution_ids":["https://openalex.org/I4210086498"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2310,"currency":"GBP","value_usd":3046},"apc_paid":null,"fwci":4.1147,"has_fulltext":true,"cited_by_count":82,"citation_normalized_percentile":{"value":0.93365562,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"323","issue":"2","first_page":"453","last_page":"459"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.9829000234603882,"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":0.9829000234603882,"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/T10095","display_name":"Cosmology and Gravitation Theories","score":0.004100000020116568,"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":0.004100000020116568,"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/spiral-galaxies","display_name":"spiral galaxies","score":0.7940000295639038},{"id":"https://openalex.org/keywords/dark-matter","display_name":"dark matter","score":0.9089999794960022},{"id":"https://openalex.org/keywords/neutral-hydrogen","display_name":"neutral hydrogen","score":0.984000027179718},{"id":"https://openalex.org/keywords/rotation-curves","display_name":"rotation curves","score":0.7789999842643738},{"id":"https://openalex.org/keywords/mass-models","display_name":"mass models","score":0.6499999761581421},{"id":"https://openalex.org/keywords/primordial-helium","display_name":"primordial helium","score":0.8410000205039978},{"id":"https://openalex.org/keywords/galaxy-mass-distribution","display_name":"galaxy mass distribution","score":0.38100001215934753}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.9556000232696533},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.7524999976158142},{"id":"https://openalex.org/C159249277","wikidata":"https://www.wikidata.org/wiki/Q79925","display_name":"Dark matter","level":2,"score":0.6510000228881836},{"id":"https://openalex.org/C63585750","wikidata":"https://www.wikidata.org/wiki/Q2488","display_name":"Spiral galaxy","level":3,"score":0.6266999840736389},{"id":"https://openalex.org/C206564472","wikidata":"https://www.wikidata.org/wiki/Q1475614","display_name":"Galaxy rotation curve","level":4,"score":0.5349000096321106},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.4959999918937683},{"id":"https://openalex.org/C174128100","wikidata":"https://www.wikidata.org/wiki/Q846907","display_name":"Spiral (railway)","level":2,"score":0.4690999984741211},{"id":"https://openalex.org/C99844830","wikidata":"https://www.wikidata.org/wiki/Q102441924","display_name":"Scaling","level":2,"score":0.45210000872612},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.3804999887943268},{"id":"https://openalex.org/C512968161","wikidata":"https://www.wikidata.org/wiki/Q556","display_name":"Hydrogen","level":2,"score":0.3671000003814697},{"id":"https://openalex.org/C871022","wikidata":"https://www.wikidata.org/wiki/Q184348","display_name":"Elliptical galaxy","level":3,"score":0.359499990940094},{"id":"https://openalex.org/C151532515","wikidata":"https://www.wikidata.org/wiki/Q1266034","display_name":"Dark galaxy","level":5,"score":0.30480000376701355},{"id":"https://openalex.org/C57853336","wikidata":"https://www.wikidata.org/wiki/Q1364203","display_name":"Hot dark matter","level":4,"score":0.304500013589859},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.3003999888896942},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.27309998869895935},{"id":"https://openalex.org/C106996143","wikidata":"https://www.wikidata.org/wiki/Q1371025","display_name":"Disc galaxy","level":4,"score":0.2572000026702881},{"id":"https://openalex.org/C88148261","wikidata":"https://www.wikidata.org/wiki/Q864952","display_name":"Dark matter halo","level":4,"score":0.25589999556541443},{"id":"https://openalex.org/C174802034","wikidata":"https://www.wikidata.org/wiki/Q1995140","display_name":"Galaxy formation and evolution","level":3,"score":0.2556000053882599},{"id":"https://openalex.org/C156055797","wikidata":"https://www.wikidata.org/wiki/Q204107","display_name":"Galaxy cluster","level":3,"score":0.2533000111579895}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.1046/j.1365-8711.2001.04214.x","doi":"https://doi.org/10.1046/j.1365-8711.2001.04214.x","is_oa":true,"landing_page_url":"https://doi.org/10.1046/j.1365-8711.2001.04214.x","pdf_url":"https://academic.oup.com/mnras/article-pdf/323/2/453/4076900/323-2-453.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":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:astro-ph/0010569","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/astro-ph/0010569","pdf_url":"https://arxiv.org/pdf/astro-ph/0010569","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:cds.cern.ch:473392","doi":null,"is_oa":false,"landing_page_url":"http://cds.cern.ch/record/473392","pdf_url":null,"source":{"id":"https://openalex.org/S4306402195","display_name":"CERN Document Server (European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":false,"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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":null},{"id":"pmh:oai:pure.rug.nl:openaire/30ed84c2-ac04-4c16-8d0d-67b1884bd76b","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/11370/30ed84c2-ac04-4c16-8d0d-67b1884bd76b","pdf_url":null,"source":{"id":"https://openalex.org/S4306400420","display_name":"University of Groningen research database (University of Groningen / Centre for Information Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I169381384","host_organization_name":"University of Groningen","host_organization_lineage":["https://openalex.org/I169381384"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Hoekstra, H, van Albada, T S & Sancisi, R 2001, 'On the apparent coupling of neutral hydrogen and dark matter in spiral galaxies', Monthly Notices of the Royal Astronomical Society, vol. 323, no. 2, pp. 453-459. https://doi.org/10.1046/j.1365-8711.2001.04214.x","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:rug:oai:pure.rug.nl:publications/30ed84c2-ac04-4c16-8d0d-67b1884bd76b","doi":null,"is_oa":true,"landing_page_url":"https://research.rug.nl/en/publications/30ed84c2-ac04-4c16-8d0d-67b1884bd76b","pdf_url":null,"source":{"id":"https://openalex.org/S4306400420","display_name":"University of Groningen research database (University of Groningen / Centre for Information Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I169381384","host_organization_name":"University of Groningen","host_organization_lineage":["https://openalex.org/I169381384"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Monthly Notices of the Royal Astronomical Society, 323(2), 453 - 459. Oxford University Press","raw_type":"info:eu-repo/semantics/article"},{"id":"doi:10.48550/arxiv.astro-ph/0010569","doi":"https://doi.org/10.48550/arxiv.astro-ph/0010569","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.astro-ph/0010569","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:10.1046/j.1365-8711.2001.04214.x","doi":"https://doi.org/10.1046/j.1365-8711.2001.04214.x","is_oa":true,"landing_page_url":"https://doi.org/10.1046/j.1365-8711.2001.04214.x","pdf_url":"https://academic.oup.com/mnras/article-pdf/323/2/453/4076900/323-2-453.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":false,"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":null,"license_id":null,"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":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2126765729.pdf","grobid_xml":"https://content.openalex.org/works/W2126765729.grobid-xml"},"referenced_works_count":23,"referenced_works":["https://openalex.org/W1555909207","https://openalex.org/W1993191898","https://openalex.org/W1999044116","https://openalex.org/W2002592779","https://openalex.org/W2003955655","https://openalex.org/W2006457604","https://openalex.org/W2007971638","https://openalex.org/W2022023637","https://openalex.org/W2030326695","https://openalex.org/W2031797665","https://openalex.org/W2033786055","https://openalex.org/W2040135492","https://openalex.org/W2049574020","https://openalex.org/W2054381679","https://openalex.org/W2070270339","https://openalex.org/W2081326216","https://openalex.org/W2084132775","https://openalex.org/W2099821897","https://openalex.org/W2118024930","https://openalex.org/W2166344513","https://openalex.org/W2553590327","https://openalex.org/W4231539276","https://openalex.org/W4242074905"],"related_works":["https://openalex.org/W1976335611","https://openalex.org/W2033525143","https://openalex.org/W2017051616","https://openalex.org/W2775286001","https://openalex.org/W2164353971","https://openalex.org/W2973366484","https://openalex.org/W2237182073","https://openalex.org/W2118716640","https://openalex.org/W4312045392","https://openalex.org/W2984531869"],"abstract_inverted_index":{"We":[0],"have":[1],"studied":[2],"a":[3,17,32,89,124],"mass":[4,29],"model":[5,30],"for":[6,46,57],"spiral":[7,36,134],"galaxies":[8,37,74],"in":[9,99,108,133],"which":[10],"the":[11,21,58,80,94,100],"dark":[12,131],"matter":[13,132],"surface":[14,25,97],"density":[15,98],"is":[16,115,123],"scaled":[18],"version":[19],"of":[20,34,60,93,104,110],"observed":[22],"H":[23,95,128],"i":[24,96,129],"density.":[26],"Applying":[27],"this":[28],"to":[31,118],"sample":[33],"24":[35],"with":[38],"reliable":[39],"rotation":[40],"curves,":[41],"one":[42],"obtains":[43],"good":[44],"fits":[45],"most":[47],"galaxies.":[48,135],"The":[49],"scaling":[50],"factors":[51],"cluster":[52],"around":[53],"7,":[54],"after":[55],"correction":[56],"presence":[59],"primordial":[61],"helium.":[62],"For":[63,73],"several":[64],"cases,":[65],"however,":[66],"different,":[67],"often":[68],"larger,":[69],"values":[70],"are":[71],"found.":[72],"that":[75,121],"cannot":[76],"be":[77],"fitted":[78],"well,":[79],"discrepancy":[81],"occurs":[82],"at":[83],"large":[84],"radii":[85],"and":[86,107,130],"results":[87],"from":[88],"fairly":[90],"rapid":[91],"decline":[92],"outermost":[101],"regions.":[102],"Because":[103],"such":[105],"imperfections":[106],"view":[109],"possible":[111,117],"selection":[112],"effects,":[113],"it":[114],"not":[116],"conclude":[119],"here":[120],"there":[122],"real":[125],"coupling":[126],"between":[127]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":6},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":7}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}