{"name":"GW230529_181500","grace_id":"S230529ay","run":"O4a","gcn_notice":"https://gcn.gsfc.nasa.gov/notices_l/S230529ay.lvc","gcn_circular":"https://gcn.nasa.gov/circulars?query=S230529ay","aliases":["GW230529","GW230529_181500"],"versions":[{"version":1,"catalog":"O4_Discovery_Papers","detail_url":"https://gwosc.org/api/v2/event-versions/GW230529_181500-v1?format=json"},{"version":2,"catalog":"GWTC-4.0","detail_url":"https://gwosc.org/api/v2/event-versions/GW230529_181500-v2?format=json"}]}