ALERT:
  alert_type: PRELIMINARY
  event:
    central_frequency: 810.468628
    classification: {}
    duration: 0.006736
    far: 1.7026e-05
    group: Burst
    instruments:
    - H1
    - L1
    pipeline: CWB
    properties: {}
    search: AllSky
    significant: false
    time: '2023-12-21T07:36:19.171Z'
  superevent_id: S231221ag
  time_created: '2023-12-21T07:38:27Z'
  urls:
    gracedb: https://gracedb.ligo.org/superevents/S231221ag/view/
EXTRA:
  area10: 174.573
  area50: 1414.21
  area90: 5344.622
  central coordinate:
    equatorial: 280.546875 -38.682187
    galactic: 356.744357 -14.889504
HEADER:
  COORDSYS: C
  CREATOR: CWB
  DATE: '2023-12-21T07:37:43.000000'
  DATE-OBS: '2023-12-21T07:36:19.170000'
  INDXSCHM: EXPLICIT
  INSTRUME: H1,L1
  MJD-OBS: 60299.31688854167
  MOCORDER: 6
  OBJECT: G459821
  ORDERING: NUNIQ
  ORIGIN: LIGO/Virgo/KAGRA
  PIXTYPE: HEALPIX
