{"id":"https://openalex.org/A5110694003","orcid":null,"observed_orcids":[],"display_name":"Katsuo Ogura","raw_author_names":["K Ogura","K. Ogura","Katsuo Ogura","\u52dd\u7537 \u5c0f\u5009"],"full_name":"Ogura, Katsuo","works_count":120,"cited_by_count":2277,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":26,"i10_index":41},"ids":{"openalex":"https://openalex.org/A5110694003","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I116465919","ror":"https://ror.org/01wc2tq75","display_name":"Kogakuin University","country_code":"JP","type":"education","lineage":["https://openalex.org/I116465919"]},"years":[2012,2007,2004,2003,2002,2001,2000,1999,1995,1993,1992,1991,1990,1989]},{"institution":{"id":"https://openalex.org/I157090871","ror":"https://ror.org/05q041y44","display_name":"Kokugakuin University","country_code":"JP","type":"education","lineage":["https://openalex.org/I157090871"]},"years":[2021,2020,2019,2017,2016,2014,2013,2012,2011,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1995,1994,1993,1992,1991,1990,1989,1987,1985,1984,1983,1981]},{"institution":{"id":"https://openalex.org/I2802629923","ror":"https://ror.org/030cszc07","display_name":"Australian Astronomical Observatory","country_code":"AU","type":"facility","lineage":["https://openalex.org/I118347636","https://openalex.org/I2802629923","https://openalex.org/I3129270235"]},"years":[1987]},{"institution":{"id":"https://openalex.org/I4210159940","ror":"https://ror.org/052rrw050","display_name":"National Astronomical Observatory of Japan","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1319490839","https://openalex.org/I199525922","https://openalex.org/I4210159940"]},"years":[1993]},{"institution":{"id":"https://openalex.org/I74801974","ror":"https://ror.org/057zh3y96","display_name":"The University of Tokyo","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]},"years":[1993,1976,1975]}],"last_known_institutions":[{"id":"https://openalex.org/I157090871","ror":"https://ror.org/05q041y44","display_name":"Kokugakuin University","country_code":"JP","type":"education","lineage":["https://openalex.org/I157090871"]}],"topics":[{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","count":115,"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","count":111,"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","count":92,"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","count":16,"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"}},{"id":"https://openalex.org/T10744","display_name":"Astrophysical Phenomena and Observations","count":9,"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"}}],"topic_share":[{"id":"https://openalex.org/T10477","display_name":"Astrophysics and Star Formation Studies","value":0.0002579,"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","value":0.0001473,"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","value":0.0001027,"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","value":2.83e-05,"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"}},{"id":"https://openalex.org/T10744","display_name":"Astrophysical Phenomena and Observations","value":1.96e-05,"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"}}],"x_concepts":[{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.9755920171737671},{"id":"44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","score":0.8893805742263794},{"id":"150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","score":0.8748628497123718},{"id":"125857072","wikidata":"https://www.wikidata.org/wiki/Q16744","display_name":"Star formation","score":0.7464959621429443},{"id":"1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","score":0.6955806016921997}],"counts_by_year":[{"year":1970,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1976,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1981,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1985,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":6,"oa_works_count":4,"cited_by_count":0},{"year":1989,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1991,"works_count":10,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":5,"oa_works_count":3,"cited_by_count":0},{"year":1994,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":1995,"works_count":9,"oa_works_count":4,"cited_by_count":0},{"year":1996,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":6,"oa_works_count":4,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2012,"works_count":3,"oa_works_count":1,"cited_by_count":149},{"year":2013,"works_count":1,"oa_works_count":1,"cited_by_count":122},{"year":2014,"works_count":2,"oa_works_count":2,"cited_by_count":102},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":76},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":121},{"year":2017,"works_count":2,"oa_works_count":2,"cited_by_count":79},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":84},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":82},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":93},{"year":2021,"works_count":2,"oa_works_count":2,"cited_by_count":67},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":59},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":77},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":65},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":77},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":39}],"display_name_alternatives":["K Ogura","K. Ogura","Katsuo Ogura","\u52dd\u7537 \u5c0f\u5009"],"block_key":"k ogura","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110694003","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
