{"name":"GW250109_074552","grace_id":"S250109bi","run":"O4b","gcn_notice":"https://gcn.gsfc.nasa.gov/notices_l/S250109bi.lvc","gcn_circular":"https://gcn.nasa.gov/circulars?query=S250109bi","aliases":["GW250109_074552"],"versions":[{"version":1,"catalog":"GWTC-5.0","detail_url":"https://gwosc.org/api/v2/event-versions/GW250109_074552-v1?format=json"}]}