{"name":"GW230817_212349","grace_id":"S230817ap","run":"O4a","gcn_notice":"https://gcn.gsfc.nasa.gov/notices_l/S230817ap.lvc","gcn_circular":"https://gcn.nasa.gov/circulars?query=S230817ap","aliases":["GW230817_212349"],"versions":[{"version":1,"catalog":"GWTC-4.0","detail_url":"https://gwosc.org/api/v2/event-versions/GW230817_212349-v1?format=json"}]}