{"name":"GW231001_140220","grace_id":"S231001aq","run":"O4a","gcn_notice":"https://gcn.gsfc.nasa.gov/notices_l/S231001aq.lvc","gcn_circular":"https://gcn.nasa.gov/circulars?query=S231001aq","aliases":["GW231001_140220"],"versions":[{"version":1,"catalog":"GWTC-4.0","detail_url":"https://gwosc.org/api/v2/event-versions/GW231001_140220-v1?format=json"}]}