ALERT:
  alert_type: PRELIMINARY
  event:
    central_frequency: null
    classification:
      BBH: 0.0
      BNS: 0.0
      NSBH: 0.0
      Terrestrial: 1.0
    duration: null
    far: 1.50667485532171e-05
    group: CBC
    instruments:
    - H1
    - L1
    pipeline: pycbc
    properties:
      HasMassGap: 0.7235932199831788
      HasNS: 1.0
      HasRemnant: 0.003303584433583724
    search: AllSky
    significant: false
    time: '2023-07-31T22:49:19.315Z'
  superevent_id: S230731at
  time_created: '2023-07-31T22:54:35Z'
  urls:
    gracedb: https://gracedb.ligo.org/superevents/S230731at/view/
EXTRA:
  area10: 51.774
  area50: 436.485
  area90: 1976.537
  central coordinate:
    equatorial: 210.937500 19.946700
    galactic: 13.334358 71.962896
HEADER:
  COORDSYS: C
  CREATOR: BAYESTAR
  DATE: '2023-07-31T22:49:46.000000'
  DATE-OBS: '2023-07-31T22:49:19.316916'
  DISTMEAN: 438.6622437135314
  DISTSTD: 141.3088885932743
  INDXSCHM: EXPLICIT
  INSTRUME: H1,L1
  LOGBCI: 5.025385315851944
  LOGBSN: 9.7075731226335
  MJD-OBS: 60156.95091801987
  MOC: true
  MOCORDER: 8
  OBJECT: G420909
  ORDERING: NUNIQ
  ORIGIN: LIGO/Virgo/KAGRA
  PIXTYPE: HEALPIX
  REFERENC: https://gracedb.ligo.org/events/G420909
  RUNTIME: 0.5889876689761877
  VCSVERS: ligo.skymap 1.0.7
