{"name":"GW240420_175625","grace_id":"S240420dc","run":"O4b","gcn_notice":"https://gcn.gsfc.nasa.gov/notices_l/S240420dc.lvc","gcn_circular":"https://gcn.nasa.gov/circulars?query=S240420dc","aliases":["GW240420_175625"],"versions":[{"version":1,"catalog":"GWTC-5.0","detail_url":"https://gwosc.org/api/v2/event-versions/GW240420_175625-v1?format=json"}]}