{
    "event_id": "S240501an",
    "alert_type": "UPDATE",
    "event_time": "2024-05-01 03:35:34",
    "before_fromdate": "2024-04-01 03:35:34",
    "before_todate": "2024-05-01 03:35:34",
    "after_fromdate": "2024-05-01 03:35:34",
    "after_todate": "2024-05-15 03:35:22",
    "last_processed_datetime": "2024-05-15 03:35:22",
    "public": "1",
    "zip_file": "S240501an_20240501_033534.zip",
    "current_json": "S240501an_20240501_033534.json",
    "json_object_list_before": "S240501an_20240501_033534_BEFORE.json",
    "json_object_list_after": "S240501an_20240501_033534_AFTER.json",
    "tsv_object_list_before": "S240501an_20240501_033534_BEFORE.tsv",
    "tsv_object_list_after": "S240501an_20240501_033534_AFTER.tsv",
    "png_object_list_before": "S240501an_20240501_033534_BEFORE.png",
    "png_object_list_after": "S240501an_20240501_033534_AFTER.png",
    "event_page": "https://gracedb.ligo.org/superevents/S240501an/view/",
    "instruments": "H1, L1, V1",
    "far": "4.215170350882919e-10",
    "group": "CBC",
    "skymap_fits": "S240501an_20240501_033534.fits",
    "prob_bns": "0.0",
    "prob_nsbh": "8.735185842211886e-14",
    "prob_bbh": "0.9999871303028254",
    "prob_mass_gap": "0.0",
    "prob_terrestrial": "1.2869697087247722e-05",
    "prob_has_ns": "0.0",
    "prob_has_remnant": "0.0",
    "distmean": "4021.7624515392736",
    "diststd": "1460.0290538211157",
    "significance": "high"
}