{"name":"GW240907_092521","grace_id":"S240907ah","run":"O4b","gcn_notice":"https://gcn.gsfc.nasa.gov/notices_l/S240907ah.lvc","gcn_circular":"https://gcn.nasa.gov/circulars?query=S240907ah","aliases":["GW240907_092521"],"versions":[{"version":1,"catalog":"GWTC-5.0","detail_url":"https://gwosc.org/api/v2/event-versions/GW240907_092521-v1?format=json"}]}