GCN Alert: Messaggio GCN inviato alle 2025-06-22 04:37:53: S250622f Most probable sky…

{
    "alert_type": "PRELIMINARY",
    "time_created": "2025-06-22T02:37:48Z",
    "superevent_id": "S250622f",
    "urls": {
        "gracedb": "https://gracedb.ligo.org/superevents/S250622f/view/"
    },
    "event": {
        "significant": false,
        "time": "2025-06-22T02:32:52.460Z",
        "far": 3.57318453998486e-6,
        "instruments": [
            "H1",
            "L1",
            "V1"
        ],
        "group": "CBC",
        "pipeline": "gstlal",
        "search": "AllSky",
        "properties": {
            "HasNS": 0,
            "HasRemnant": 0,
            "HasMassGap": 0.005275362318840579
        },
        "classification": {
            "BBH": 0.3552457185670098,
            "BNS": 1.1850258090692877e-17,
            "NSBH": 8.082178099073858e-16,
            "Terrestrial": 0.6447542814329894
        },
        "duration": null,
        "central_frequency": null
    },
    "external_coinc": null
}