ALERT:
  alert_type: PRELIMINARY
  event:
    central_frequency: null
    classification:
      BBH: 0.0
      BNS: 0.0
      NSBH: 0.0
      Terrestrial: 1.0
    duration: null
    far: 1.76664e-05
    group: CBC
    instruments:
    - H1
    - L1
    pipeline: CWB
    properties:
      HasMassGap: 0.06344296890848616
      HasNS: 0.0
      HasRemnant: 0.0
    search: BBH
    significant: false
    time: '2024-04-21T17:41:59.305Z'
  superevent_id: S240421dd
  time_created: '2024-04-21T17:49:14Z'
  urls:
    gracedb: https://gracedb.ligo.org/superevents/S240421dd/view/
EXTRA:
  area10: 350.825
  area50: 2369.326
  area90: 7515.875
  central coordinate:
    equatorial: 180.750000 -44.993880
    galactic: 294.005742 17.036707
HEADER:
  COORDSYS: C
  CREATOR: CWB
  DATE: '2024-04-21T17:43:39.000000'
  DATE-OBS: '2024-04-21T17:41:59.250000'
  INDXSCHM: EXPLICIT
  INSTRUME: H1,L1
  MJD-OBS: 60421.73749131944
  MOCORDER: 6
  OBJECT: G476524
  ORDERING: NUNIQ
  ORIGIN: LIGO/Virgo/KAGRA
  PIXTYPE: HEALPIX
