{"id":"https://openalex.org/W3099770833","doi":null,"title":"The local density of matter mapped by Hipparcos","display_name":"The local density of matter mapped by Hipparcos","publication_year":1998,"publication_date":"1998-12-23","ids":{"openalex":"https://openalex.org/W3099770833","mag":"3099770833"},"language":"en","primary_location":{"id":"pmh:oai:CiteSeerX.psu:10.1.1.258.2470","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.258.2470","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://arxiv.org/pdf/astro-ph/9812404v2.pdf","raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Johan Holmberg","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I187531555","display_name":"Lund University","ror":"https://ror.org/012a77v79","country_code":"SE","type":"education","lineage":["https://openalex.org/I187531555"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Johan Holmberg","raw_affiliation_strings":["Lund Observatory, Box 43, SE-22100 Lund, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lund Observatory, Box 43, SE-22100 Lund, Sweden","institution_ids":["https://openalex.org/I187531555"]}]},{"author_position":"last","author":{"id":null,"display_name":"Chris Flynn","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chris Flynn","raw_affiliation_strings":["Tuorla Observatory, V\u00e4is\u00e4l\u00e4ntie 20, FI-21500, Piikki\u00f6, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tuorla Observatory, V\u00e4is\u00e4l\u00e4ntie 20, FI-21500, Piikki\u00f6, Finland","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":245,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"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":0.961899995803833,"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":0.961899995803833,"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":0.01679999940097332,"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":0.007400000002235174,"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/hipparcos","display_name":"Hipparcos","score":0.8399999737739563},{"id":"https://openalex.org/keywords/nearby-stars","display_name":"nearby stars","score":0.8069999814033508},{"id":"https://openalex.org/keywords/stellar-distances","display_name":"stellar distances","score":0.7379999756813049},{"id":"https://openalex.org/keywords/proper-motions","display_name":"proper motions","score":0.9679999947547913},{"id":"https://openalex.org/keywords/interstellar-medium","display_name":"interstellar medium","score":0.4490000009536743}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.9496710300445557},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.5685552358627319},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.5490109324455261}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:CiteSeerX.psu:10.1.1.258.2470","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.258.2470","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://arxiv.org/pdf/astro-ph/9812404v2.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.258.3714","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.258.3714","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://arxiv.org/pdf/astro-ph/9812404v1.pdf","raw_type":"text"},{"id":"pmh:oai:cds.cern.ch:375057","doi":null,"is_oa":false,"landing_page_url":"http://cds.cern.ch/record/375057","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}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1495170554","https://openalex.org/W1964259954","https://openalex.org/W1967311303","https://openalex.org/W1995665306","https://openalex.org/W2010389259","https://openalex.org/W2030587007","https://openalex.org/W2033498835","https://openalex.org/W2045255062","https://openalex.org/W2047258477","https://openalex.org/W2059670857","https://openalex.org/W2065609117","https://openalex.org/W2074912901","https://openalex.org/W2076969806","https://openalex.org/W2080769070","https://openalex.org/W2091570817","https://openalex.org/W2093026605","https://openalex.org/W2106223496","https://openalex.org/W2115905887","https://openalex.org/W2135048153","https://openalex.org/W2151044672","https://openalex.org/W2151377867","https://openalex.org/W2172351759","https://openalex.org/W3009611603","https://openalex.org/W3099118591","https://openalex.org/W4250371967"],"related_works":["https://openalex.org/W191028050","https://openalex.org/W7096672903","https://openalex.org/W3017201610","https://openalex.org/W3046932662","https://openalex.org/W7046719139","https://openalex.org/W2964229368","https://openalex.org/W6982389202","https://openalex.org/W1662571917","https://openalex.org/W2023457568","https://openalex.org/W808496557"],"abstract_inverted_index":{"The":[0],"European":[1],"Space":[2],"Agency\u2019s":[3],"Hipparcos":[4],"satellite":[5],"has":[6],"produced":[7],"very":[8],"accurate":[9],"distances":[10],"and":[11],"proper":[12],"motions":[13],"for":[14],"a":[15,24],"complete":[16],"set":[17],"of":[18],"nearby":[19],"stars.":[20],"These":[21],"data":[22],"permit":[23],"reassessment":[25]},"counts_by_year":[{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":22},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":14},{"year":2017,"cited_by_count":11},{"year":2016,"cited_by_count":19},{"year":2015,"cited_by_count":16},{"year":2014,"cited_by_count":17},{"year":2013,"cited_by_count":9},{"year":2012,"cited_by_count":14}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2020-11-23T00:00:00"}
