ALERT:
  alert_type: PRELIMINARY
  event:
    central_frequency: 41.598671
    classification: {}
    duration: 0.019462
    far: 1.7207e-06
    group: Burst
    instruments:
    - H1
    - L1
    pipeline: CWB
    properties: {}
    search: BBH
    significant: false
    time: '2023-09-15T18:02:41.168Z'
  superevent_id: S230915bt
  time_created: '2023-09-15T18:08:18Z'
  urls:
    gracedb: https://gracedb.ligo.org/superevents/S230915bt/view/
EXTRA:
  area10: 423.004
  area50: 3052.511
  area90: 9332.106
  central coordinate:
    equatorial: 318.396226 -50.480044
    galactic: 347.928266 -42.915493
HEADER:
  COORDSYS: C
  CREATOR: CWB
  DATE: '2023-09-15T18:03:12.000000'
  DATE-OBS: '2023-09-15T18:02:41.120000'
  INDXSCHM: EXPLICIT
  INSTRUME: H1,L1
  MJD-OBS: 60202.75186481481
  MOCORDER: 6
  OBJECT: G438087
  ORDERING: NUNIQ
  ORIGIN: LIGO/Virgo/KAGRA
  PIXTYPE: HEALPIX
