ALERT:
  alert_type: PRELIMINARY
  event:
    central_frequency: null
    classification:
      BBH: 1.0
      BNS: 0.0
      NSBH: 0.0
      Terrestrial: 0.0
    duration: null
    far: 4.571287005064243e-27
    group: CBC
    instruments:
    - H1
    - L1
    pipeline: gstlal
    properties:
      HasMassGap: 0.12463847974647461
      HasNS: 0.0
      HasRemnant: 0.0
    search: AllSky
    significant: true
    time: '2023-07-31T21:53:07.888Z'
  superevent_id: S230731an
  time_created: '2023-07-31T21:53:38Z'
  urls:
    gracedb: https://gracedb.ligo.org/superevents/S230731an/view/
EXTRA:
  area10: 28.68
  area50: 196.762
  area90: 694.935
  central coordinate:
    equatorial: 350.859375 -41.311790
    galactic: 349.117488 -67.048915
HEADER:
  COORDSYS: C
  CREATOR: BAYESTAR
  DATE: '2023-07-31T21:53:26.000000'
  DATE-OBS: '2023-07-31T21:53:07.888421'
  DISTMEAN: 1042.872042175727
  DISTSTD: 275.2113995047378
  INDXSCHM: EXPLICIT
  INSTRUME: H1,L1
  LOGBCI: 8.289704634636877
  LOGBSN: 33.18177668645843
  MJD-OBS: 60156.91189685673
  MOC: true
  MOCORDER: 9
  OBJECT: G420894
  ORDERING: NUNIQ
  ORIGIN: LIGO/Virgo/KAGRA
  PIXTYPE: HEALPIX
  REFERENC: https://gracedb.ligo.org/events/G420894
  RUNTIME: 0.4617291465401649
  VCSVERS: ligo.skymap 1.0.7
