ALERT:
  alert_type: PRELIMINARY
  event:
    central_frequency: null
    classification:
      BBH: 0.04
      BNS: 0.0
      NSBH: 0.0
      Terrestrial: 0.96
    duration: null
    far: 2.16766529774759e-05
    group: CBC
    instruments:
    - H1
    - L1
    pipeline: spiir
    properties:
      HasMassGap: 0.0
      HasNS: 0.0
      HasRemnant: 0.0
    search: AllSky
    significant: false
    time: '2023-07-31T10:27:10.322Z'
  superevent_id: S230731ai
  time_created: '2023-07-31T10:27:35Z'
  urls:
    gracedb: https://gracedb.ligo.org/superevents/S230731ai/view/
EXTRA:
  area10: 15.002
  area50: 158.522
  area90: 2713.436
  central coordinate:
    equatorial: 259.804688 22.750484
    galactic: 44.876126 29.851280
HEADER:
  COORDSYS: C
  CREATOR: BAYESTAR
  DATE: '2023-07-31T10:27:28.000000'
  DATE-OBS: '2023-07-31T10:27:10.314878'
  DISTMEAN: 1016.479895070353
  DISTSTD: 732.7696293824661
  INDXSCHM: EXPLICIT
  INSTRUME: H1,L1
  LOGBCI: -1.242270901889231
  LOGBSN: 12.05651777380209
  MJD-OBS: 60156.43553605183
  MOC: true
  MOCORDER: 9
  OBJECT: G420851
  ORDERING: NUNIQ
  ORIGIN: LIGO/Virgo/KAGRA
  PIXTYPE: HEALPIX
  REFERENC: https://gracedb.ligo.org/events/G420851
  RUNTIME: 0.547568779438734
  VCSVERS: ligo.skymap 1.0.7
