{"name":"GW231020_142947","grace_id":"S231020ba","run":"O4a","gcn_notice":"https://gcn.gsfc.nasa.gov/notices_l/S231020ba.lvc","gcn_circular":"https://gcn.nasa.gov/circulars?query=S231020ba","aliases":["GW231020_142947"],"versions":[{"version":1,"catalog":"GWTC-4.0","detail_url":"https://gwosc.org/api/v2/event-versions/GW231020_142947-v1?format=json"}]}