GCN Alert: Messaggio GCN inviato alle 2025-07-02 15:32:39: S250702n Most probable sky…

{
    "alert_type": "PRELIMINARY",
    "time_created": "2025-07-02T13:32:34Z",
    "superevent_id": "S250702n",
    "urls": {
        "gracedb": "https://gracedb.ligo.org/superevents/S250702n/view/"
    },
    "event": {
        "significant": true,
        "time": "2025-07-02T13:32:00.382Z",
        "far": 1.747117956710507e-8,
        "instruments": [
            "H1",
            "L1"
        ],
        "group": "CBC",
        "pipeline": "gstlal",
        "search": "AllSky",
        "properties": {
            "HasNS": 0,
            "HasRemnant": 0,
            "HasMassGap": 0.005275362318840579
        },
        "classification": {
            "BBH": 0.9888690428240031,
            "BNS": 1.2935385128874037e-18,
            "NSBH": 9.492138814737295e-17,
            "Terrestrial": 0.01113095717599677
        },
        "duration": null,
        "central_frequency": null
    },
    "external_coinc": null
}