GCN Alert: Messaggio GCN inviato alle 2025-07-02 20:58:23: S250702ad Most probable sky…

{
    "alert_type": "PRELIMINARY",
    "time_created": "2025-07-02T18:58:18Z",
    "superevent_id": "S250702ad",
    "urls": {
        "gracedb": "https://gracedb.ligo.org/superevents/S250702ad/view/"
    },
    "event": {
        "significant": false,
        "time": "2025-07-02T18:53:11.801Z",
        "far": 7.085918608775099e-6,
        "instruments": [
            "H1",
            "V1"
        ],
        "group": "CBC",
        "pipeline": "gstlal",
        "search": "AllSky",
        "properties": {
            "HasNS": 0,
            "HasRemnant": 0,
            "HasMassGap": 0
        },
        "classification": {
            "BBH": 0.19778563603632057,
            "BNS": 4.368713637911931e-17,
            "NSBH": 3.6835833572447565e-15,
            "Terrestrial": 0.8022143639636756
        },
        "duration": null,
        "central_frequency": null
    },
    "external_coinc": null
}