{
  "events": {
    "GW240925_005809-v1": {
      "commonName": "GW240925_005809",
      "version": 1,
      "catalog.shortName": "O4_Discovery_Papers",
      "GPS": 1411261108.0,
      "gracedb_id": "S240925n",
      "reference": "/o4_eventdata_docs/",
      "jsonurl": "https://gwosc.org/eventapi/json/O4_Discovery_Papers/GW240925_005809/v1",
      "mass_1_source": 9.0,
      "mass_1_source_lower": -1.0,
      "mass_1_source_upper": 2.0,
      "mass_1_source_unit": "M_sun",
      "mass_2_source": 7.0,
      "mass_2_source_lower": -1.3,
      "mass_2_source_upper": 0.8,
      "mass_2_source_unit": "M_sun",
      "network_matched_filter_snr": 31.96,
      "network_matched_filter_snr_lower": -0.15,
      "network_matched_filter_snr_upper": 0.11,
      "network_matched_filter_snr_unit": "",
      "luminosity_distance": 356.0,
      "luminosity_distance_lower": -162.0,
      "luminosity_distance_upper": 61.0,
      "luminosity_distance_unit": "Mpc",
      "chi_eff": 0.02,
      "chi_eff_lower": -0.02,
      "chi_eff_upper": 0.08,
      "chi_eff_unit": "",
      "total_mass_source": 16.1,
      "total_mass_source_lower": -0.4,
      "total_mass_source_upper": 0.7,
      "total_mass_source_unit": "M_sun",
      "chirp_mass_source": 6.85,
      "chirp_mass_source_lower": -0.08,
      "chirp_mass_source_upper": 0.22,
      "chirp_mass_source_unit": "M_sun",
      "chirp_mass": null,
      "chirp_mass_lower": null,
      "chirp_mass_upper": null,
      "chirp_mass_unit": null,
      "redshift": 0.08,
      "redshift_lower": -0.03,
      "redshift_upper": 0.01,
      "redshift_unit": "",
      "far": 1e-05,
      "far_lower": null,
      "far_upper": null,
      "far_unit": "1/yr",
      "p_astro": null,
      "p_astro_lower": null,
      "p_astro_upper": null,
      "p_astro_unit": null,
      "final_mass_source": 15.3,
      "final_mass_source_lower": -0.4,
      "final_mass_source_upper": 0.7,
      "final_mass_source_unit": "M_sun",
      "strain": [
        {
          "GPSstart": 1411260416,
          "detector": "H1",
          "sampling_rate": 16384,
          "duration": 4096,
          "format": "gwf",
          "url": "https://gwosc.org/archive/data/O4b_16KHZ_R1/1410334720/H-H1_GWOSC_O4b_16KHZ_R1-1411260416-4096.gwf"
        },
        {
          "GPSstart": 1411260416,
          "detector": "H1",
          "sampling_rate": 16384,
          "duration": 4096,
          "format": "hdf5",
          "url": "https://gwosc.org/archive/data/O4b_16KHZ_R1/1410334720/H-H1_GWOSC_O4b_16KHZ_R1-1411260416-4096.hdf5"
        },
        {
          "GPSstart": 1411260416,
          "detector": "H1",
          "sampling_rate": 4096,
          "duration": 4096,
          "format": "gwf",
          "url": "https://gwosc.org/archive/data/O4b_4KHZ_R1/1410334720/H-H1_GWOSC_O4b_4KHZ_R1-1411260416-4096.gwf"
        },
        {
          "GPSstart": 1411260416,
          "detector": "H1",
          "sampling_rate": 4096,
          "duration": 4096,
          "format": "hdf5",
          "url": "https://gwosc.org/archive/data/O4b_4KHZ_R1/1410334720/H-H1_GWOSC_O4b_4KHZ_R1-1411260416-4096.hdf5"
        },
        {
          "GPSstart": 1411260416,
          "detector": "L1",
          "sampling_rate": 16384,
          "duration": 4096,
          "format": "gwf",
          "url": "https://gwosc.org/archive/data/O4b_16KHZ_R1/1410334720/L-L1_GWOSC_O4b_16KHZ_R1-1411260416-4096.gwf"
        },
        {
          "GPSstart": 1411260416,
          "detector": "L1",
          "sampling_rate": 16384,
          "duration": 4096,
          "format": "hdf5",
          "url": "https://gwosc.org/archive/data/O4b_16KHZ_R1/1410334720/L-L1_GWOSC_O4b_16KHZ_R1-1411260416-4096.hdf5"
        },
        {
          "GPSstart": 1411260416,
          "detector": "L1",
          "sampling_rate": 4096,
          "duration": 4096,
          "format": "gwf",
          "url": "https://gwosc.org/archive/data/O4b_4KHZ_R1/1410334720/L-L1_GWOSC_O4b_4KHZ_R1-1411260416-4096.gwf"
        },
        {
          "GPSstart": 1411260416,
          "detector": "L1",
          "sampling_rate": 4096,
          "duration": 4096,
          "format": "hdf5",
          "url": "https://gwosc.org/archive/data/O4b_4KHZ_R1/1410334720/L-L1_GWOSC_O4b_4KHZ_R1-1411260416-4096.hdf5"
        },
        {
          "GPSstart": 1411260416,
          "detector": "V1",
          "sampling_rate": 16384,
          "duration": 4096,
          "format": "gwf",
          "url": "https://gwosc.org/archive/data/O4b_16KHZ_R1/1410334720/V-V1_GWOSC_O4b_16KHZ_R1-1411260416-4096.gwf"
        },
        {
          "GPSstart": 1411260416,
          "detector": "V1",
          "sampling_rate": 16384,
          "duration": 4096,
          "format": "hdf5",
          "url": "https://gwosc.org/archive/data/O4b_16KHZ_R1/1410334720/V-V1_GWOSC_O4b_16KHZ_R1-1411260416-4096.hdf5"
        },
        {
          "GPSstart": 1411260416,
          "detector": "V1",
          "sampling_rate": 4096,
          "duration": 4096,
          "format": "gwf",
          "url": "https://gwosc.org/archive/data/O4b_4KHZ_R1/1410334720/V-V1_GWOSC_O4b_4KHZ_R1-1411260416-4096.gwf"
        },
        {
          "GPSstart": 1411260416,
          "detector": "V1",
          "sampling_rate": 4096,
          "duration": 4096,
          "format": "hdf5",
          "url": "https://gwosc.org/archive/data/O4b_4KHZ_R1/1410334720/V-V1_GWOSC_O4b_4KHZ_R1-1411260416-4096.hdf5"
        }
      ],
      "parameters": {
        "O4_Discovery_Papers_gstlal_GW240925_005809": {
          "waveform_family": "na",
          "data_url": "",
          "date_added": "2026-01-21",
          "is_preferred": false,
          "pipeline_type": "search",
          "links": {},
          "far": 1e-05,
          "far_lower": null,
          "far_upper": null,
          "far_unit": "1/yr",
          "far_meta": "na"
        },
        "O4_Discovery_Papers_GW240925_005809_Combined_CC1_PE": {
          "waveform_family": "Combined",
          "data_url": "https://zenodo.org/api/records/18600070/files/combined_samples.tar.gz/content",
          "date_added": "2026-01-21",
          "is_preferred": true,
          "pipeline_type": "pe",
          "links": {
            "Data products in Zenodo": "https://doi.org/10.5281/zenodo.18600070"
          },
          "chirp_mass_source": 6.85,
          "chirp_mass_source_lower": -0.08,
          "chirp_mass_source_upper": 0.22,
          "chirp_mass_source_unit": "M_sun",
          "chirp_mass_source_meta": "na",
          "chi_eff": 0.02,
          "chi_eff_lower": -0.02,
          "chi_eff_upper": 0.08,
          "chi_eff_unit": "",
          "chi_eff_meta": "na",
          "chi_p": 0.25,
          "chi_p_lower": -0.2,
          "chi_p_upper": 0.37,
          "chi_p_unit": "",
          "chi_p_meta": "na",
          "final_mass_source": 15.3,
          "final_mass_source_lower": -0.4,
          "final_mass_source_upper": 0.7,
          "final_mass_source_unit": "M_sun",
          "final_mass_source_meta": "na",
          "final_spin": 0.69,
          "final_spin_lower": -0.03,
          "final_spin_upper": 0.02,
          "final_spin_unit": "",
          "final_spin_meta": "na",
          "luminosity_distance": 356.0,
          "luminosity_distance_lower": -162.0,
          "luminosity_distance_upper": 61.0,
          "luminosity_distance_unit": "Mpc",
          "luminosity_distance_meta": "na",
          "mass_1_source": 9.0,
          "mass_1_source_lower": -1.0,
          "mass_1_source_upper": 2.0,
          "mass_1_source_unit": "M_sun",
          "mass_1_source_meta": "na",
          "mass_2_source": 7.0,
          "mass_2_source_lower": -1.3,
          "mass_2_source_upper": 0.8,
          "mass_2_source_unit": "M_sun",
          "mass_2_source_meta": "na",
          "network_matched_filter_snr": 31.96,
          "network_matched_filter_snr_lower": -0.15,
          "network_matched_filter_snr_upper": 0.11,
          "network_matched_filter_snr_unit": "",
          "network_matched_filter_snr_meta": "na",
          "redshift": 0.08,
          "redshift_lower": -0.03,
          "redshift_upper": 0.01,
          "redshift_unit": "",
          "redshift_meta": "na",
          "total_mass_source": 16.1,
          "total_mass_source_lower": -0.4,
          "total_mass_source_upper": 0.7,
          "total_mass_source_unit": "M_sun",
          "total_mass_source_meta": "na"
        },
        "O4_Discovery_Papers_mbta_GW240925_005809": {
          "waveform_family": "na",
          "data_url": "",
          "date_added": "2026-01-21",
          "is_preferred": false,
          "pipeline_type": "search",
          "links": {},
          "far": 1e-05,
          "far_lower": null,
          "far_upper": null,
          "far_unit": "1/yr",
          "far_meta": "na"
        },
        "O4_Discovery_Papers_pycbc_GW240925_005809": {
          "waveform_family": "na",
          "data_url": "",
          "date_added": "2026-01-21",
          "is_preferred": false,
          "pipeline_type": "search",
          "links": {},
          "far": 4e-05,
          "far_lower": null,
          "far_upper": null,
          "far_unit": "1/yr",
          "far_meta": "na"
        }
      }
    }
  }
}