{"id":"https://openalex.org/keywords/binary-stars","display_name":"binary stars","description":"A stellar system consisting of two stars gravitationally bound and orbiting their shared center of mass.","display_name_alternatives":["stellar binary","binary stellar system","binary star","binary star system","binary star systems","physical double star","physical double stars","stellar binaries"],"ids":{"openalex":"https://openalex.org/keywords/binary-stars","wikidata":"https://www.wikidata.org/wiki/Q50053"},"primary_topic":{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.7693,"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"}},"topics":[{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.7693,"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"}}],"works_count":27901,"cited_by_count":269057,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/binary-stars","updated_date":"2026-10-20T04:07:40","created_date":"2026-09-30T00:00:00"}