ALERT:
  alert_type: PRELIMINARY
  event:
    central_frequency: 65.872314
    classification: {}
    duration: 0.022249
    far: 4.85206e-06
    group: Burst
    instruments:
    - H1
    - L1
    pipeline: CWB
    properties: {}
    search: BBH
    significant: false
    time: '2023-08-21T07:38:41.316Z'
  superevent_id: S230821ak
  time_created: '2023-08-21T07:40:00Z'
  urls:
    gracedb: https://gracedb.ligo.org/superevents/S230821ak/view/
EXTRA:
  area10: 136.805
  area50: 922.384
  area90: 3302.62
  central coordinate:
    equatorial: 1.406250 25.282603
    galactic: 110.035888 -36.439269
HEADER:
  COORDSYS: C
  CREATOR: CWB
  DATE: '2023-08-21T07:39:20.000000'
  DATE-OBS: '2023-08-21T07:38:41.270000'
  INDXSCHM: EXPLICIT
  INSTRUME: H1,L1
  MJD-OBS: 60177.31853321759
  MOCORDER: 6
  OBJECT: G430861
  ORDERING: NUNIQ
  ORIGIN: LIGO/Virgo/KAGRA
  PIXTYPE: HEALPIX
