{"name":"GW231230_170116","grace_id":"S231230ar","run":"O4a","gcn_notice":"https://gcn.gsfc.nasa.gov/notices_l/S231230ar.lvc","gcn_circular":"https://gcn.nasa.gov/circulars?query=S231230ar","aliases":["GW231230_170116"],"versions":[{"version":1,"catalog":"GWTC-4.0","detail_url":"https://gwosc.org/api/v2/event-versions/GW231230_170116-v1?format=json"},{"version":2,"catalog":"GWTC-4.1","detail_url":"https://gwosc.org/api/v2/event-versions/GW231230_170116-v2?format=json"}]}