GCN Alert: Messaggio GCN inviato alle 2025-07-04 12:54:34: S250704be Most probable sky…

{
    "alert_type": "PRELIMINARY",
    "time_created": "2025-07-04T10:54:31Z",
    "superevent_id": "S250704be",
    "urls": {
        "gracedb": "https://gracedb.ligo.org/superevents/S250704be/view/"
    },
    "event": {
        "significant": false,
        "time": "2025-07-04T10:53:57.443Z",
        "far": 8.621109518835088e-6,
        "instruments": [
            "H1",
            "L1",
            "V1"
        ],
        "group": "CBC",
        "pipeline": "pycbc",
        "search": "AllSky",
        "properties": {
            "HasNS": 1,
            "HasRemnant": 0.005876470773193002,
            "HasMassGap": 0.44633632888300817
        },
        "classification": {
            "BNS": 0.0032531096449157654,
            "NSBH": 0.0004665566187570361,
            "BBH": 0,
            "Terrestrial": 0.9962803337363272
        },
        "duration": null,
        "central_frequency": null
    },
    "external_coinc": null
}