ALERT:
  alert_type: PRELIMINARY
  event:
    central_frequency: 20.38846
    classification: {}
    duration: 0.053672
    far: 1.63689e-05
    group: Burst
    instruments:
    - H1
    - L1
    pipeline: CWB
    properties: {}
    search: BBH
    significant: false
    time: '2023-08-16T15:10:40.047Z'
  superevent_id: S230816af
  time_created: '2023-08-16T15:11:38Z'
  urls:
    gracedb: https://gracedb.ligo.org/superevents/S230816af/view/
EXTRA:
  area10: 659.685
  area50: 4914.064
  area90: 14712.818
  central coordinate:
    equatorial: 288.281250 -23.969482
    galactic: 13.428771 -15.193723
HEADER:
  COORDSYS: C
  CREATOR: CWB
  DATE: '2023-08-16T15:10:59.000000'
  DATE-OBS: '2023-08-16T15:10:39.890000'
  INDXSCHM: EXPLICIT
  INSTRUME: H1,L1
  MJD-OBS: 60172.63240613426
  MOCORDER: 6
  OBJECT: G429563
  ORDERING: NUNIQ
  ORIGIN: LIGO/Virgo/KAGRA
  PIXTYPE: HEALPIX
