{"id":"https://openalex.org/A5010909653","orcid":null,"observed_orcids":[],"display_name":"Bruce W. Koehn","raw_author_names":["B. W. Koehn","B.W. Koehn","Bruce Koehn","Bruce W. Koehn"],"full_name":"Bruce W. Koehn","works_count":44,"cited_by_count":132,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":6,"i10_index":2},"ids":{"openalex":"https://openalex.org/A5010909653","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I2799389969","ror":"https://ror.org/0209dk158","display_name":"Lowell Observatory","country_code":"US","type":"facility","lineage":["https://openalex.org/I2799389969"]},"years":[2014,2006,2004,2003,1998,1995]},{"institution":{"id":"https://openalex.org/I8078737","ror":"https://ror.org/037s24f05","display_name":"Clemson University","country_code":"US","type":"education","lineage":["https://openalex.org/I8078737"]},"years":[1976]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10325","display_name":"Astro and Planetary Science","count":34,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11701","display_name":"Space Satellite Systems and Control","count":31,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12836","display_name":"History and Developments in Astronomy","count":19,"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":12,"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/T10039","display_name":"Stellar, planetary, and galactic studies","count":10,"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/T11701","display_name":"Space Satellite Systems and Control","value":0.0001547,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10325","display_name":"Astro and Planetary Science","value":5.58e-05,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14163","display_name":"Astronomical Observations and Instrumentation","value":5.25e-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"}},{"id":"https://openalex.org/T12836","display_name":"History and Developments in Astronomy","value":4.49e-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"}},{"id":"https://openalex.org/T12917","display_name":"Astronomy and Astrophysical Research","value":2.12e-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"}}],"x_concepts":[{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.9376672506332397},{"id":"94081185","wikidata":"https://www.wikidata.org/wiki/Q3559","display_name":"Comet","score":0.7475382089614868},{"id":"87355193","wikidata":"https://www.wikidata.org/wiki/Q411","display_name":"Astrobiology","score":0.6993516683578491},{"id":"1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","score":0.557394802570343},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.5249614715576172}],"counts_by_year":[{"year":1976,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":8,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2014,"works_count":2,"oa_works_count":0,"cited_by_count":3},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":6},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":10}],"display_name_alternatives":["B. W. Koehn","B.W. Koehn","Bruce Koehn","Bruce W. Koehn"],"block_key":"b koehn","works_api_url":"https://api.openalex.org/works?filter=author.id:A5010909653","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
