{"id":"https://openalex.org/A5042673093","orcid":null,"observed_orcids":[],"display_name":"V. A. Ladygin","raw_author_names":["V A Ladygin","V. A. Ladygin","V.A. Ladygin"],"full_name":"V. A. Ladygin","works_count":20,"cited_by_count":62,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":3,"i10_index":2},"ids":{"openalex":"https://openalex.org/A5042673093","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I118517470","ror":"https://ror.org/01jkd3546","display_name":"P.N. Lebedev Physical Institute of the Russian Academy of Sciences","country_code":"RU","type":"facility","lineage":["https://openalex.org/I118517470","https://openalex.org/I1313323035","https://openalex.org/I2800498218","https://openalex.org/I4210096333"]},"years":[2020,2017,2006]},{"institution":{"id":"https://openalex.org/I1313323035","ror":"https://ror.org/05qrfxd25","display_name":"Russian Academy of Sciences","country_code":"RU","type":"government","lineage":["https://openalex.org/I1313323035"]},"years":[2020,2006]},{"institution":{"id":"https://openalex.org/I2800498218","ror":"https://ror.org/00bg9m975","display_name":"Astro Space Center","country_code":"RU","type":"facility","lineage":["https://openalex.org/I2800498218"]},"years":[2020,2017,2006]},{"institution":{"id":"https://openalex.org/I4210124779","ror":"https://ror.org/027ka1x80","display_name":"National Aeronautics and Space Administration","country_code":"US","type":"government","lineage":["https://openalex.org/I4210124779"]},"years":[1980]}],"last_known_institutions":[{"id":"https://openalex.org/I118517470","ror":"https://ror.org/01jkd3546","display_name":"P.N. Lebedev Physical Institute of the Russian Academy of Sciences","country_code":"RU","type":"facility","lineage":["https://openalex.org/I118517470","https://openalex.org/I1313323035","https://openalex.org/I2800498218","https://openalex.org/I4210096333"]},{"id":"https://openalex.org/I1313323035","ror":"https://ror.org/05qrfxd25","display_name":"Russian Academy of Sciences","country_code":"RU","type":"government","lineage":["https://openalex.org/I1313323035"]},{"id":"https://openalex.org/I2800498218","ror":"https://ror.org/00bg9m975","display_name":"Astro Space Center","country_code":"RU","type":"facility","lineage":["https://openalex.org/I2800498218"]}],"topics":[{"id":"https://openalex.org/T12450","display_name":"Radio Astronomy Observations and Technology","count":11,"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/T10406","display_name":"Planetary Science and Exploration","count":8,"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","count":6,"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/T11609","display_name":"Geophysical Methods and Applications","count":5,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"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/T10325","display_name":"Astro and Planetary Science","count":4,"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"}}],"topic_share":[{"id":"https://openalex.org/T12450","display_name":"Radio Astronomy Observations and Technology","value":0.0001218,"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/T14163","display_name":"Astronomical Observations and Instrumentation","value":0.000105,"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/T13121","display_name":"Radio Wave Propagation Studies","value":2.6e-05,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric 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/T11609","display_name":"Geophysical Methods and Applications","value":2.51e-05,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"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/T10406","display_name":"Planetary Science and Exploration","value":2.28e-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"}}],"x_concepts":[{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.8939414024353027},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.7848103642463684},{"id":"62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","score":0.6538805365562439},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.5704163908958435},{"id":"1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","score":0.5261088013648987}],"counts_by_year":[{"year":1974,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1976,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2017,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2020,"works_count":3,"oa_works_count":1,"cited_by_count":1},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":9}],"display_name_alternatives":["V A Ladygin","V. A. Ladygin","V.A. Ladygin"],"block_key":"v ladygin","works_api_url":"https://api.openalex.org/works?filter=author.id:A5042673093","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}