{"id":"https://openalex.org/A5086967298","orcid":"https://orcid.org/0009-0005-4287-7198","observed_orcids":["https://orcid.org/0009-0005-4287-7198"],"display_name":"Michael Freeberg","raw_author_names":["Freeberg, M.","M Freeberg","M. Freeberg","Michael Freeberg"],"full_name":"Michael Freeberg","works_count":14,"cited_by_count":138,"summary_stats":{"2yr_mean_citedness":5.545454545454546,"h_index":5,"i10_index":4},"ids":{"openalex":"https://openalex.org/A5086967298","orcid":"https://orcid.org/0009-0005-4287-7198","observed_orcids":["https://orcid.org/0009-0005-4287-7198"]},"affiliations":[{"institution":{"id":"https://openalex.org/I199752191","ror":"https://ror.org/01ev8n617","display_name":"American Association of Variable Star Observers","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I199752191"]},"years":[2026,2024,2023]}],"last_known_institutions":[{"id":"https://openalex.org/I199752191","ror":"https://ror.org/01ev8n617","display_name":"American Association of Variable Star Observers","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I199752191"]}],"topics":[{"id":"https://openalex.org/T11323","display_name":"Gamma-ray bursts and supernovae","count":14,"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/T10818","display_name":"Astrophysics and Cosmic Phenomena","count":12,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"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":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"}},{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","count":3,"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/T10463","display_name":"Pulsars and Gravitational Waves Research","count":3,"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/T11323","display_name":"Gamma-ray bursts and supernovae","value":5.43e-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/T10818","display_name":"Astrophysics and Cosmic Phenomena","value":3.28e-05,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"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":2.17e-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/T10463","display_name":"Pulsars and Gravitational Waves Research","value":1.65e-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/T10039","display_name":"Stellar, planetary, and galactic studies","value":2.7e-06,"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":"17599544","wikidata":"https://www.wikidata.org/wiki/Q22247","display_name":"Gamma-ray burst","score":0.9753999710083008},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.9718999862670898},{"id":"44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","score":0.8931000232696533},{"id":"130726490","wikidata":"https://www.wikidata.org/wiki/Q675076","display_name":"Light curve","score":0.6886000037193298},{"id":"1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","score":0.5530416369438171}],"counts_by_year":[{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":2},{"year":2023,"works_count":2,"oa_works_count":2,"cited_by_count":17},{"year":2024,"works_count":4,"oa_works_count":4,"cited_by_count":36},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":35},{"year":2026,"works_count":6,"oa_works_count":6,"cited_by_count":48}],"display_name_alternatives":["Freeberg, M.","M Freeberg","M. Freeberg","Michael Freeberg"],"block_key":"m freeberg","works_api_url":"https://api.openalex.org/works?filter=author.id:A5086967298","awards_count":0,"updated_date":"2026-11-09T14:06:01","created_date":"2022-04-03T00:00:00"}