{
  "$schema": "https://gcn.nasa.gov/schema/v7.2.1/gcn/notices/maxi/gsc.unknown.schema.json",
  "mission": "MAXI",
  "instrument": "GSC",
  "alert_datetime": "2026-10-20T08:29:02Z",
  "alert_type": "update",
  "alert_tense": "current",
  "trigger_time": "2026-10-20T05:42:55Z",
  "id": "1333183154",
  "ra": 290.658,
  "dec": -35.016,
  "rectangular_error_corners": [
    [
      289.257,
      -34.24
    ],
    [
      288.926,
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    ],
    [
      292.41,
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    ],
    [
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    ]
  ],
  "containment_probability": 0.9,
  "systematic_included": false,
  "flux": 8.3e-10,
  "flux_error": 2.1e-10,
  "event_name": "GRB 261020A",
  "detection_timescale": 1.0,
  "detection_timescale_units": "orbit",
  "flux_spectral_band": [
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    10.0
  ],
  "flux_spectral_unit": "keV",
  "latitude": 14.58,
  "longitude": 94.97,
  "record_number": 2
}