ALERT:
  alert_type: PRELIMINARY
  event:
    central_frequency: 58.788136
    classification: {}
    duration: 0.020412
    far: 1.05054e-06
    group: Burst
    instruments:
    - H1
    - L1
    pipeline: CWB
    properties: {}
    search: BBH
    significant: false
    time: '2023-07-20T09:30:04.648Z'
  superevent_id: S230720aj
  time_created: '2023-07-20T09:35:57Z'
  urls:
    gracedb: https://gracedb.ligo.org/superevents/S230720aj/view/
EXTRA:
  area10: 135.126
  area50: 885.455
  area90: 2924.099
  central coordinate:
    equatorial: 177.890625 -25.944480
    galactic: 286.459332 35.004717
HEADER:
  COORDSYS: C
  CREATOR: CWB
  DATE: '2023-07-20T09:30:43.000000'
  DATE-OBS: '2023-07-20T09:30:04.640000'
  INDXSCHM: EXPLICIT
  INSTRUME: H1,L1
  MJD-OBS: 60145.39588703704
  MOCORDER: 6
  OBJECT: G418552
  ORDERING: NUNIQ
  ORIGIN: LIGO/Virgo/KAGRA
  PIXTYPE: HEALPIX
