ALERT:
  alert_type: PRELIMINARY
  event:
    central_frequency: 82.759125
    classification: {}
    duration: 0.00826
    far: 7.05616e-06
    group: Burst
    instruments:
    - H1
    - L1
    pipeline: CWB
    properties: {}
    search: AllSky
    significant: false
    time: '2023-12-21T07:20:02.393Z'
  superevent_id: S231221ad
  time_created: '2023-12-21T07:27:36Z'
  urls:
    gracedb: https://gracedb.ligo.org/superevents/S231221ad/view/
EXTRA:
  area10: 91.483
  area50: 668.078
  area90: 3371.443
  central coordinate:
    equatorial: 122.343750 15.094787
    galactic: 207.601610 23.913504
HEADER:
  COORDSYS: C
  CREATOR: CWB
  DATE: '2023-12-21T07:22:19.000000'
  DATE-OBS: '2023-12-21T07:20:02.390000'
  INDXSCHM: EXPLICIT
  INSTRUME: H1,L1
  MJD-OBS: 60299.3055832176
  MOCORDER: 6
  OBJECT: G459818
  ORDERING: NUNIQ
  ORIGIN: LIGO/Virgo/KAGRA
  PIXTYPE: HEALPIX
