{
    "event_id": "S251031cq",
    "alert_type": "UPDATE",
    "event_time": "2025-10-31 18:59:15",
    "before_fromdate": "2025-05-04 18:59:15",
    "before_todate": "2025-10-31 18:59:15",
    "after_fromdate": "2025-10-31 18:59:15",
    "after_todate": "2025-11-14 18:39:33",
    "last_processed_datetime": "2025-11-14 18:39:33",
    "public": "1",
    "zip_file": "S251031cq_20251031_185915.zip",
    "current_json": "S251031cq_20251031_185915.json",
    "json_object_list_before": "S251031cq_20251031_185915_BEFORE.json",
    "json_object_list_after": "S251031cq_20251031_185915_AFTER.json",
    "tsv_object_list_before": "S251031cq_20251031_185915_BEFORE.tsv",
    "tsv_object_list_after": "S251031cq_20251031_185915_AFTER.tsv",
    "png_object_list_before": "S251031cq_20251031_185915_BEFORE.png",
    "png_object_list_after": "S251031cq_20251031_185915_AFTER.png",
    "event_page": "https://gracedb.ligo.org/superevents/S251031cq/view/",
    "instruments": "H1, L1, V1",
    "far": "7.006156722873511e-10",
    "group": "CBC",
    "skymap_fits": "S251031cq_20251031_185915.fits",
    "prob_bns": "2.5978547973465153e-39",
    "prob_nsbh": "9.638977521282293e-16",
    "prob_bbh": "0.9993683441275415",
    "prob_mass_gap": "0.0",
    "prob_terrestrial": "0.0006316558724575039",
    "prob_has_ns": "0.0",
    "prob_has_remnant": "0.0",
    "prob_has_ssm": "0.0",
    "distmean": "2129.1858097482286",
    "diststd": "713.8982653318778",
    "significance": "high"
}