ALERT:
  alert_type: PRELIMINARY
  event:
    central_frequency: 661.764771
    classification: {}
    duration: 0.021045
    far: 1.26526e-05
    group: Burst
    instruments:
    - H1
    - L1
    pipeline: CWB
    properties: {}
    search: AllSky
    significant: false
    time: '2023-09-15T18:24:03.477Z'
  superevent_id: S230915bv
  time_created: '2023-09-15T18:25:34Z'
  urls:
    gracedb: https://gracedb.ligo.org/superevents/S230915bv/view/
EXTRA:
  area10: 32.732
  area50: 297.11
  area90: 1297.548
  central coordinate:
    equatorial: 170.156250 36.423574
    galactic: 181.480162 68.651067
HEADER:
  COORDSYS: C
  CREATOR: CWB
  DATE: '2023-09-15T18:25:03.000000'
  DATE-OBS: '2023-09-15T18:24:03.470000'
  INDXSCHM: EXPLICIT
  INSTRUME: H1,L1
  MJD-OBS: 60202.7667068287
  MOCORDER: 6
  OBJECT: G438090
  ORDERING: NUNIQ
  ORIGIN: LIGO/Virgo/KAGRA
  PIXTYPE: HEALPIX
