{"id":"https://openalex.org/A5082123781","orcid":"https://orcid.org/0000-0003-4985-7606","observed_orcids":["https://orcid.org/0000-0003-4985-7606"],"display_name":"Jens Jessen-Hansen","raw_author_names":["J Jessen-Hansen","J. Jensen-Hansen","J. Jessen-Hansen","J. Jessen\u2010Hansen","Jens Jessen-Hanse","Jens Jessen-Hansen","Jessen-Hansen, J.","Jessen-Hansen, Jens"],"full_name":"Jens Jessen-Hansen","works_count":92,"cited_by_count":1762,"summary_stats":{"2yr_mean_citedness":3.25,"h_index":25,"i10_index":37},"ids":{"openalex":"https://openalex.org/A5082123781","orcid":"https://orcid.org/0000-0003-4985-7606","observed_orcids":["https://orcid.org/0000-0003-4985-7606"]},"affiliations":[{"institution":{"id":"https://openalex.org/I204337017","ror":"https://ror.org/01aj84f44","display_name":"Aarhus University","country_code":"DK","type":"education","lineage":["https://openalex.org/I204337017"]},"years":[2026,2025,2022,2021,2020,2019,2018,2017,2016,2015,2014,2013,2012]},{"institution":{"id":"https://openalex.org/I28407311","ror":"https://ror.org/027m9bs27","display_name":"University of Manchester","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]},"years":[2015]},{"institution":{"id":"https://openalex.org/I4210125745","ror":"https://ror.org/02vv9p907","display_name":"Nordic Optical Telescope","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210123974","https://openalex.org/I4210125745"]},"years":[2013,2012]}],"last_known_institutions":[{"id":"https://openalex.org/I204337017","ror":"https://ror.org/01aj84f44","display_name":"Aarhus University","country_code":"DK","type":"education","lineage":["https://openalex.org/I204337017"]}],"topics":[{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","count":87,"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":80,"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/T12836","display_name":"History and Developments in Astronomy","count":30,"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":26,"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/T10251","display_name":"Solar and Space Plasma Dynamics","count":17,"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/T12917","display_name":"Astronomy and Astrophysical Research","value":0.0001365,"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","value":7.35e-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":6.83e-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/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","value":3.88e-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/T11323","display_name":"Gamma-ray bursts and supernovae","value":2.93e-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":0.9707263708114624},{"id":"44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","score":0.885200023651123},{"id":"150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","score":0.8659554719924927},{"id":"51244244","wikidata":"https://www.wikidata.org/wiki/Q634","display_name":"Planet","score":0.8380646705627441},{"id":"1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","score":0.731285035610199}],"counts_by_year":[{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":17,"oa_works_count":10,"cited_by_count":415},{"year":2013,"works_count":17,"oa_works_count":12,"cited_by_count":317},{"year":2014,"works_count":6,"oa_works_count":5,"cited_by_count":255},{"year":2015,"works_count":3,"oa_works_count":2,"cited_by_count":37},{"year":2016,"works_count":9,"oa_works_count":7,"cited_by_count":242},{"year":2017,"works_count":6,"oa_works_count":5,"cited_by_count":164},{"year":2018,"works_count":2,"oa_works_count":2,"cited_by_count":123},{"year":2019,"works_count":6,"oa_works_count":5,"cited_by_count":73},{"year":2020,"works_count":8,"oa_works_count":6,"cited_by_count":41},{"year":2021,"works_count":10,"oa_works_count":8,"cited_by_count":74},{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":8},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2025,"works_count":3,"oa_works_count":3,"cited_by_count":12},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":1}],"display_name_alternatives":["J Jessen-Hansen","J. Jensen-Hansen","J. Jessen-Hansen","J. Jessen\u2010Hansen","Jens Jessen-Hanse","Jens Jessen-Hansen","Jessen-Hansen, J.","Jessen-Hansen, Jens"],"block_key":"j jessen-hansen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5082123781","updated_date":"2026-10-17T12:28:47","created_date":"2016-06-24T00:00:00"}