{"id":"https://openalex.org/W1980640293","doi":"https://doi.org/10.2298/saj1488029s","title":"Low dark matter content of the nearby early-type galaxy NGC 821","display_name":"Low dark matter content of the nearby early-type galaxy NGC 821","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W1980640293","doi":"https://doi.org/10.2298/saj1488029s","mag":"1980640293"},"language":"en","primary_location":{"id":"doi:10.2298/saj1488029s","doi":"https://doi.org/10.2298/saj1488029s","is_oa":true,"landing_page_url":"https://doi.org/10.2298/saj1488029s","pdf_url":"http://www.doiserbia.nb.rs/ft.aspx?id=1450-698X1488029S","source":{"id":"https://openalex.org/S205636307","display_name":"Serbian Astronomical Journal","issn_l":"1450-698X","issn":["1450-698X","1820-9289"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","ddh","doaj","dongbi-c","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310321622","host_organization_name":"Astronomical Observatory, Department of Astronomy, Belgrade","host_organization_lineage":["https://openalex.org/P4310321622"],"host_organization_lineage_names":["Astronomical Observatory, Department of Astronomy, Belgrade"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Serbian Astronomical Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"http://www.doiserbia.nb.rs/ft.aspx?id=1450-698X1488029S","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5056186336","display_name":"S. Samurovi\u0107","orcid":"https://orcid.org/0000-0003-2148-7236","observed_orcids":["https://orcid.org/0000-0003-2148-7236"]},"institutions":[{"id":"https://openalex.org/I4210155633","display_name":"Astronomical Observatory","ror":"https://ror.org/04t4pcw17","country_code":"RS","type":"facility","lineage":["https://openalex.org/I4210155633"]}],"countries":["RS"],"is_corresponding":false,"raw_author_name":"S. Samurovic","raw_affiliation_strings":["Astronomical observatory, Belgrade"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Astronomical observatory, Belgrade","institution_ids":["https://openalex.org/I4210155633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108601882","display_name":"A. Vudragovi\u0107","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210155633","display_name":"Astronomical Observatory","ror":"https://ror.org/04t4pcw17","country_code":"RS","type":"facility","lineage":["https://openalex.org/I4210155633"]}],"countries":["RS"],"is_corresponding":false,"raw_author_name":"A. Vudragovic","raw_affiliation_strings":["Astronomical observatory, Belgrade"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Astronomical observatory, Belgrade","institution_ids":["https://openalex.org/I4210155633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068997845","display_name":"M. Jovanovi\u0107","orcid":"https://orcid.org/0000-0002-6583-6904","observed_orcids":["https://orcid.org/0000-0002-6583-6904"]},"institutions":[{"id":"https://openalex.org/I4210155633","display_name":"Astronomical Observatory","ror":"https://ror.org/04t4pcw17","country_code":"RS","type":"facility","lineage":["https://openalex.org/I4210155633"]}],"countries":["RS"],"is_corresponding":false,"raw_author_name":"M. Jovanovic","raw_affiliation_strings":["Astronomical observatory, Belgrade"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Astronomical observatory, Belgrade","institution_ids":["https://openalex.org/I4210155633"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038901874","display_name":"Milan M. \u0106irkovi\u0107","orcid":"https://orcid.org/0000-0002-6634-1321","observed_orcids":["https://orcid.org/0000-0002-6634-1321"]},"institutions":[{"id":"https://openalex.org/I4210155633","display_name":"Astronomical Observatory","ror":"https://ror.org/04t4pcw17","country_code":"RS","type":"facility","lineage":["https://openalex.org/I4210155633"]}],"countries":["RS"],"is_corresponding":false,"raw_author_name":"M.M. Cirkovic","raw_affiliation_strings":["Astronomical observatory, Belgrade"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Astronomical observatory, Belgrade","institution_ids":["https://openalex.org/I4210155633"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210155633"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.05290232,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":95},"biblio":{"volume":null,"issue":"188","first_page":"29","last_page":"36"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.9810000061988831,"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":0.9810000061988831,"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":0.01080000028014183,"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":0.0026000000070780516,"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/early-type-galaxies","display_name":"early-type galaxies","score":0.9190000295639038},{"id":"https://openalex.org/keywords/dark-matter-content","display_name":"dark matter content","score":0.8690000176429749},{"id":"https://openalex.org/keywords/globular-clusters","display_name":"globular clusters","score":0.6980000138282776},{"id":"https://openalex.org/keywords/planetary-nebulae","display_name":"planetary nebulae","score":0.9990000128746033},{"id":"https://openalex.org/keywords/jeans-equation","display_name":"Jeans equation","score":0.6959999799728394},{"id":"https://openalex.org/keywords/mass-to-light-ratio","display_name":"mass-to-light ratio","score":0.8569999933242798},{"id":"https://openalex.org/keywords/classical-mechanics","display_name":"classical mechanics","score":0.6299999952316284},{"id":"https://openalex.org/keywords/mond","display_name":"MOND","score":0.8240000009536743},{"id":"https://openalex.org/keywords/galaxy-kinematics","display_name":"galaxy kinematics","score":0.7229999899864197},{"id":"https://openalex.org/keywords/dynamic-modeling","display_name":"dynamic modeling","score":0.8399999737739563}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.9419984221458435},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.7954254150390625},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.6728352904319763},{"id":"https://openalex.org/C159249277","wikidata":"https://www.wikidata.org/wiki/Q79925","display_name":"Dark matter","level":2,"score":0.6046243906021118},{"id":"https://openalex.org/C39920418","wikidata":"https://www.wikidata.org/wiki/Q11476","display_name":"Kinematics","level":2,"score":0.5948024988174438},{"id":"https://openalex.org/C113461152","wikidata":"https://www.wikidata.org/wiki/Q11276","display_name":"Globular cluster","level":3,"score":0.5647720694541931},{"id":"https://openalex.org/C174832881","wikidata":"https://www.wikidata.org/wiki/Q1503556","display_name":"Modified Newtonian dynamics","level":5,"score":0.5360484719276428},{"id":"https://openalex.org/C95373548","wikidata":"https://www.wikidata.org/wiki/Q13632","display_name":"Planetary nebula","level":3,"score":0.4144752621650696},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.3651420474052429},{"id":"https://openalex.org/C174802034","wikidata":"https://www.wikidata.org/wiki/Q1995140","display_name":"Galaxy formation and evolution","level":3,"score":0.34179359674453735},{"id":"https://openalex.org/C206564472","wikidata":"https://www.wikidata.org/wiki/Q1475614","display_name":"Galaxy rotation curve","level":4,"score":0.2870281934738159},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.2112586796283722},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.08454832434654236}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2298/saj1488029s","doi":"https://doi.org/10.2298/saj1488029s","is_oa":true,"landing_page_url":"https://doi.org/10.2298/saj1488029s","pdf_url":"http://www.doiserbia.nb.rs/ft.aspx?id=1450-698X1488029S","source":{"id":"https://openalex.org/S205636307","display_name":"Serbian Astronomical Journal","issn_l":"1450-698X","issn":["1450-698X","1820-9289"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","ddh","doaj","dongbi-c","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310321622","host_organization_name":"Astronomical Observatory, Department of Astronomy, Belgrade","host_organization_lineage":["https://openalex.org/P4310321622"],"host_organization_lineage_names":["Astronomical Observatory, Department of Astronomy, Belgrade"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Serbian Astronomical Journal","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:7b422773962d4465bea0e29867117c94","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/7b422773962d4465bea0e29867117c94","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":"Serbian Astronomical Journal, Vol 2014, Iss 188, Pp 29-36 (2014)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.2298/saj1488029s","doi":"https://doi.org/10.2298/saj1488029s","is_oa":true,"landing_page_url":"https://doi.org/10.2298/saj1488029s","pdf_url":"http://www.doiserbia.nb.rs/ft.aspx?id=1450-698X1488029S","source":{"id":"https://openalex.org/S205636307","display_name":"Serbian Astronomical Journal","issn_l":"1450-698X","issn":["1450-698X","1820-9289"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","ddh","doaj","dongbi-c","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310321622","host_organization_name":"Astronomical Observatory, Department of Astronomy, Belgrade","host_organization_lineage":["https://openalex.org/P4310321622"],"host_organization_lineage_names":["Astronomical Observatory, Department of Astronomy, Belgrade"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Serbian Astronomical Journal","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G517032207","display_name":null,"funder_award_id":"176021","funder_id":"https://openalex.org/F4320322729","funder_display_name":"Ministarstvo Prosvete, Nauke i Tehnolo\u0161kog Razvoja"}],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320309398","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055"},{"id":"https://openalex.org/F4320322729","display_name":"Ministarstvo Prosvete, Nauke i Tehnolo\u0161kog Razvoja","ror":"https://ror.org/01znas443"},{"id":"https://openalex.org/F4320332375","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1980640293.pdf","grobid_xml":"https://content.openalex.org/works/W1980640293.grobid-xml"},"referenced_works_count":1,"referenced_works":["https://openalex.org/W1631788275"],"related_works":["https://openalex.org/W2050116841","https://openalex.org/W3102061384","https://openalex.org/W3012795681","https://openalex.org/W2018459896","https://openalex.org/W2319199831","https://openalex.org/W4388962872","https://openalex.org/W1978641476","https://openalex.org/W2408193479","https://openalex.org/W2963028486","https://openalex.org/W2735730756"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3,72,113],"analyze":[4],"the":[5,10,33,43,48,53,57,76,91,95,116,120],"kinematics":[6,34],"and":[7,22,29,65,110],"dynamics":[8],"of":[9,35,97,100],"nearby":[11],"early-type":[12],"galaxy":[13],"NGC":[14,36],"821":[15,37],"based":[16,46],"on":[17,47],"its":[18],"globular":[19],"clusters":[20],"(GCs)":[21],"planetary":[23],"nebulae":[24],"(PNe).":[25],"We":[26,51,103],"use":[27],"PNe":[28],"GCs":[30],"to":[31],"extract":[32],"which":[38],"is":[39],"then":[40],"used":[41,105],"for":[42,122],"dynamical":[44],"modelling":[45],"Jeans":[49,54],"equation.":[50],"apply":[52],"equation":[55],"using":[56,68],"Newtonian":[58],"mass-follows-light":[59],"approach":[60,71],"assuming":[61],"constant":[62,81],"mass-to-light":[63,82],"ratio":[64],"find":[66],"that":[67,112],"such":[69],"an":[70],"can":[73,114],"successfully":[74],"fit":[75,115],"kinematic":[77,117],"data.":[78],"The":[79],"inferred":[80],"ratio,":[83],"4:2":[84],"<":[85,87],"M=LB":[86],"12:4":[88],"present":[89],"throughout":[90],"whole":[92],"galaxy,":[93],"implies":[94],"lack":[96],"significant":[98],"amount":[99],"dark":[101],"matter.":[102],"also":[104],"three":[106],"different":[107],"MOND":[108],"approaches":[109],"found":[111],"data":[118],"without":[119],"need":[121],"additional,":[123],"dark,":[124],"component.":[125]},"counts_by_year":[{"year":2019,"cited_by_count":2}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2016-06-24T00:00:00"}