{
  "events": {
    "GW240501_033534-v1": {
      "commonName": "GW240501_033534",
      "version": 1,
      "catalog.shortName": "GWTC-5.0",
      "GPS": 1398569752.9,
      "gracedb_id": "S240501an",
      "reference": "/GWTC-5.0/",
      "jsonurl": "https://gwosc.org/eventapi/json/GWTC-5.0/GW240501_033534/v1",
      "mass_1_source": 38.6,
      "mass_1_source_lower": -8.0,
      "mass_1_source_upper": 11.6,
      "mass_1_source_unit": "M_sun",
      "mass_2_source": 27.7,
      "mass_2_source_lower": -8.2,
      "mass_2_source_upper": 8.6,
      "mass_2_source_unit": "M_sun",
      "network_matched_filter_snr": 10.6,
      "network_matched_filter_snr_lower": null,
      "network_matched_filter_snr_upper": null,
      "network_matched_filter_snr_unit": "",
      "luminosity_distance": 4700.0,
      "luminosity_distance_lower": -2200.0,
      "luminosity_distance_upper": 2700.0,
      "luminosity_distance_unit": "Mpc",
      "chi_eff": 0.04,
      "chi_eff_lower": -0.28,
      "chi_eff_upper": 0.26,
      "chi_eff_unit": "",
      "total_mass_source": 66.0,
      "total_mass_source_lower": -10.0,
      "total_mass_source_upper": 14.0,
      "total_mass_source_unit": "M_sun",
      "chirp_mass_source": 28.0,
      "chirp_mass_source_lower": -4.4,
      "chirp_mass_source_upper": 6.4,
      "chirp_mass_source_unit": "M_sun",
      "chirp_mass": null,
      "chirp_mass_lower": null,
      "chirp_mass_upper": null,
      "chirp_mass_unit": null,
      "redshift": 0.74,
      "redshift_lower": -0.3,
      "redshift_upper": 0.33,
      "redshift_unit": "",
      "far": 1e-05,
      "far_lower": null,
      "far_upper": null,
      "far_unit": "1/yr",
      "p_astro": 0.99,
      "p_astro_lower": null,
      "p_astro_upper": null,
      "p_astro_unit": "",
      "final_mass_source": 63.1,
      "final_mass_source_lower": -9.5,
      "final_mass_source_upper": 13.4,
      "final_mass_source_unit": "M_sun",
      "strain": [
        {
          "GPSstart": 1398566912,
          "detector": "H1",
          "sampling_rate": 16384,
          "duration": 4096,
          "format": "gwf",
          "url": "https://gwosc.org/archive/data/O4b_16KHZ_R1/1397751808/H-H1_GWOSC_O4b_16KHZ_R1-1398566912-4096.gwf"
        },
        {
          "GPSstart": 1398566912,
          "detector": "H1",
          "sampling_rate": 16384,
          "duration": 4096,
          "format": "hdf5",
          "url": "https://gwosc.org/archive/data/O4b_16KHZ_R1/1397751808/H-H1_GWOSC_O4b_16KHZ_R1-1398566912-4096.hdf5"
        },
        {
          "GPSstart": 1398566912,
          "detector": "H1",
          "sampling_rate": 4096,
          "duration": 4096,
          "format": "gwf",
          "url": "https://gwosc.org/archive/data/O4b_4KHZ_R1/1397751808/H-H1_GWOSC_O4b_4KHZ_R1-1398566912-4096.gwf"
        },
        {
          "GPSstart": 1398566912,
          "detector": "H1",
          "sampling_rate": 4096,
          "duration": 4096,
          "format": "hdf5",
          "url": "https://gwosc.org/archive/data/O4b_4KHZ_R1/1397751808/H-H1_GWOSC_O4b_4KHZ_R1-1398566912-4096.hdf5"
        },
        {
          "GPSstart": 1398566912,
          "detector": "L1",
          "sampling_rate": 16384,
          "duration": 4096,
          "format": "gwf",
          "url": "https://gwosc.org/archive/data/O4b_16KHZ_R1/1397751808/L-L1_GWOSC_O4b_16KHZ_R1-1398566912-4096.gwf"
        },
        {
          "GPSstart": 1398566912,
          "detector": "L1",
          "sampling_rate": 16384,
          "duration": 4096,
          "format": "hdf5",
          "url": "https://gwosc.org/archive/data/O4b_16KHZ_R1/1397751808/L-L1_GWOSC_O4b_16KHZ_R1-1398566912-4096.hdf5"
        },
        {
          "GPSstart": 1398566912,
          "detector": "L1",
          "sampling_rate": 4096,
          "duration": 4096,
          "format": "gwf",
          "url": "https://gwosc.org/archive/data/O4b_4KHZ_R1/1397751808/L-L1_GWOSC_O4b_4KHZ_R1-1398566912-4096.gwf"
        },
        {
          "GPSstart": 1398566912,
          "detector": "L1",
          "sampling_rate": 4096,
          "duration": 4096,
          "format": "hdf5",
          "url": "https://gwosc.org/archive/data/O4b_4KHZ_R1/1397751808/L-L1_GWOSC_O4b_4KHZ_R1-1398566912-4096.hdf5"
        },
        {
          "GPSstart": 1398566912,
          "detector": "V1",
          "sampling_rate": 16384,
          "duration": 4096,
          "format": "gwf",
          "url": "https://gwosc.org/archive/data/O4b_16KHZ_R1/1397751808/V-V1_GWOSC_O4b_16KHZ_R1-1398566912-4096.gwf"
        },
        {
          "GPSstart": 1398566912,
          "detector": "V1",
          "sampling_rate": 16384,
          "duration": 4096,
          "format": "hdf5",
          "url": "https://gwosc.org/archive/data/O4b_16KHZ_R1/1397751808/V-V1_GWOSC_O4b_16KHZ_R1-1398566912-4096.hdf5"
        },
        {
          "GPSstart": 1398566912,
          "detector": "V1",
          "sampling_rate": 4096,
          "duration": 4096,
          "format": "gwf",
          "url": "https://gwosc.org/archive/data/O4b_4KHZ_R1/1397751808/V-V1_GWOSC_O4b_4KHZ_R1-1398566912-4096.gwf"
        },
        {
          "GPSstart": 1398566912,
          "detector": "V1",
          "sampling_rate": 4096,
          "duration": 4096,
          "format": "hdf5",
          "url": "https://gwosc.org/archive/data/O4b_4KHZ_R1/1397751808/V-V1_GWOSC_O4b_4KHZ_R1-1398566912-4096.hdf5"
        }
      ],
      "parameters": {
        "GWTC-5.0_CWB_GW240501_033534": {
          "waveform_family": "na",
          "data_url": "",
          "date_added": "2026-05-22",
          "is_preferred": false,
          "pipeline_type": "search",
          "links": {},
          "far": 0.0035,
          "far_lower": null,
          "far_upper": null,
          "far_unit": "1/yr",
          "far_meta": "na",
          "network_matched_filter_snr": 10.4,
          "network_matched_filter_snr_lower": null,
          "network_matched_filter_snr_upper": null,
          "network_matched_filter_snr_unit": "",
          "network_matched_filter_snr_meta": "na",
          "p_astro": 0.99,
          "p_astro_lower": null,
          "p_astro_upper": null,
          "p_astro_unit": "",
          "p_astro_meta": "na"
        },
        "GWTC-5.0_gstlal_GW240501_033534": {
          "waveform_family": "na",
          "data_url": "",
          "date_added": "2026-05-22",
          "is_preferred": false,
          "pipeline_type": "search",
          "links": {},
          "far": 1e-05,
          "far_lower": null,
          "far_upper": null,
          "far_unit": "1/yr",
          "far_meta": "na",
          "network_matched_filter_snr": 10.2,
          "network_matched_filter_snr_lower": null,
          "network_matched_filter_snr_upper": null,
          "network_matched_filter_snr_unit": "",
          "network_matched_filter_snr_meta": "na",
          "p_astro": 0.99,
          "p_astro_lower": null,
          "p_astro_upper": null,
          "p_astro_unit": "",
          "p_astro_meta": "na"
        },
        "GWTC-5.0_GW240501_033534_C00:IMRPhenomXPHM-SpinTaylor_OO1_PE": {
          "waveform_family": "C00:IMRPhenomXPHM-SpinTaylor",
          "data_url": "https://zenodo.org/api/records/20348005/files/IGWN-GWTC5p0-29ebe06b7_25-GW240501_033534-combined_PEDataRelease.hdf5/content",
          "date_added": "2026-05-22",
          "is_preferred": true,
          "pipeline_type": "pe",
          "links": {
            "na": "https://doi.org/10.5281/zenodo.20348005"
          },
          "chirp_mass_source": 28.0,
          "chirp_mass_source_lower": -4.4,
          "chirp_mass_source_upper": 6.4,
          "chirp_mass_source_unit": "M_sun",
          "chirp_mass_source_meta": "na",
          "chi_eff": 0.04,
          "chi_eff_lower": -0.28,
          "chi_eff_upper": 0.26,
          "chi_eff_unit": "",
          "chi_eff_meta": "na",
          "final_mass_source": 63.1,
          "final_mass_source_lower": -9.5,
          "final_mass_source_upper": 13.4,
          "final_mass_source_unit": "M_sun",
          "final_mass_source_meta": "na",
          "luminosity_distance": 4700.0,
          "luminosity_distance_lower": -2200.0,
          "luminosity_distance_upper": 2700.0,
          "luminosity_distance_unit": "Mpc",
          "luminosity_distance_meta": "na",
          "mass_1_source": 38.6,
          "mass_1_source_lower": -8.0,
          "mass_1_source_upper": 11.6,
          "mass_1_source_unit": "M_sun",
          "mass_1_source_meta": "na",
          "mass_2_source": 27.7,
          "mass_2_source_lower": -8.2,
          "mass_2_source_upper": 8.6,
          "mass_2_source_unit": "M_sun",
          "mass_2_source_meta": "na",
          "redshift": 0.74,
          "redshift_lower": -0.3,
          "redshift_upper": 0.33,
          "redshift_unit": "",
          "redshift_meta": "na",
          "total_mass_source": 66.0,
          "total_mass_source_lower": -10.0,
          "total_mass_source_upper": 14.0,
          "total_mass_source_unit": "M_sun",
          "total_mass_source_meta": "na"
        },
        "GWTC-5.0_GW240501_033534_C00:IMRPhenomXPNR_OO2_PE": {
          "waveform_family": "C00:IMRPhenomXPNR",
          "data_url": "https://zenodo.org/api/records/20348005/files/IGWN-GWTC5p0-29ebe06b7_25-GW240501_033534-combined_PEDataRelease.hdf5/content",
          "date_added": "2026-05-22",
          "is_preferred": false,
          "pipeline_type": "pe",
          "links": {
            "na": "https://doi.org/10.5281/zenodo.20348005"
          },
          "chirp_mass_source": 28.0,
          "chirp_mass_source_lower": -4.5,
          "chirp_mass_source_upper": 6.4,
          "chirp_mass_source_unit": "M_sun",
          "chirp_mass_source_meta": "na",
          "chi_eff": 0.01,
          "chi_eff_lower": -0.27,
          "chi_eff_upper": 0.24,
          "chi_eff_unit": "",
          "chi_eff_meta": "na",
          "final_mass_source": 63.5,
          "final_mass_source_lower": -9.9,
          "final_mass_source_upper": 13.5,
          "final_mass_source_unit": "M_sun",
          "final_mass_source_meta": "na",
          "luminosity_distance": 4600.0,
          "luminosity_distance_lower": -2200.0,
          "luminosity_distance_upper": 2700.0,
          "luminosity_distance_unit": "Mpc",
          "luminosity_distance_meta": "na",
          "mass_1_source": 38.6,
          "mass_1_source_lower": -8.1,
          "mass_1_source_upper": 11.8,
          "mass_1_source_unit": "M_sun",
          "mass_1_source_meta": "na",
          "mass_2_source": 27.7,
          "mass_2_source_lower": -8.3,
          "mass_2_source_upper": 8.6,
          "mass_2_source_unit": "M_sun",
          "mass_2_source_meta": "na",
          "redshift": 0.73,
          "redshift_lower": -0.3,
          "redshift_upper": 0.33,
          "redshift_unit": "",
          "redshift_meta": "na",
          "total_mass_source": 66.0,
          "total_mass_source_lower": -10.0,
          "total_mass_source_upper": 14.0,
          "total_mass_source_unit": "M_sun",
          "total_mass_source_meta": "na"
        },
        "GWTC-5.0_GW240501_033534_C00:NRSur7dq4_OO3_PE": {
          "waveform_family": "C00:NRSur7dq4",
          "data_url": "https://zenodo.org/api/records/20348005/files/IGWN-GWTC5p0-29ebe06b7_25-GW240501_033534-combined_PEDataRelease.hdf5/content",
          "date_added": "2026-05-22",
          "is_preferred": false,
          "pipeline_type": "pe",
          "links": {
            "na": "https://doi.org/10.5281/zenodo.20348005"
          },
          "chirp_mass_source": 28.2,
          "chirp_mass_source_lower": -4.5,
          "chirp_mass_source_upper": 6.3,
          "chirp_mass_source_unit": "M_sun",
          "chirp_mass_source_meta": "na",
          "chi_eff": 0.03,
          "chi_eff_lower": -0.25,
          "chi_eff_upper": 0.23,
          "chi_eff_unit": "",
          "chi_eff_meta": "na",
          "final_mass_source": 63.4,
          "final_mass_source_lower": -9.8,
          "final_mass_source_upper": 13.5,
          "final_mass_source_unit": "M_sun",
          "final_mass_source_meta": "na",
          "luminosity_distance": 4800.0,
          "luminosity_distance_lower": -2300.0,
          "luminosity_distance_upper": 2700.0,
          "luminosity_distance_unit": "Mpc",
          "luminosity_distance_meta": "na",
          "mass_1_source": 38.5,
          "mass_1_source_lower": -7.9,
          "mass_1_source_upper": 11.3,
          "mass_1_source_unit": "M_sun",
          "mass_1_source_meta": "na",
          "mass_2_source": 28.1,
          "mass_2_source_lower": -8.1,
          "mass_2_source_upper": 8.5,
          "mass_2_source_unit": "M_sun",
          "mass_2_source_meta": "na",
          "redshift": 0.75,
          "redshift_lower": -0.31,
          "redshift_upper": 0.33,
          "redshift_unit": "",
          "redshift_meta": "na",
          "total_mass_source": 67.0,
          "total_mass_source_lower": -10.0,
          "total_mass_source_upper": 14.0,
          "total_mass_source_unit": "M_sun",
          "total_mass_source_meta": "na"
        },
        "GWTC-5.0_GW240501_033534_C00:SEOBNRv5PHM_OO4_PE": {
          "waveform_family": "C00:SEOBNRv5PHM",
          "data_url": "https://zenodo.org/api/records/20348005/files/IGWN-GWTC5p0-29ebe06b7_25-GW240501_033534-combined_PEDataRelease.hdf5/content",
          "date_added": "2026-05-22",
          "is_preferred": false,
          "pipeline_type": "pe",
          "links": {
            "na": "https://doi.org/10.5281/zenodo.20348005"
          },
          "chirp_mass_source": 27.7,
          "chirp_mass_source_lower": -4.2,
          "chirp_mass_source_upper": 6.3,
          "chirp_mass_source_unit": "M_sun",
          "chirp_mass_source_meta": "na",
          "chi_eff": 0.02,
          "chi_eff_lower": -0.27,
          "chi_eff_upper": 0.23,
          "chi_eff_unit": "",
          "chi_eff_meta": "na",
          "luminosity_distance": 4800.0,
          "luminosity_distance_lower": -2200.0,
          "luminosity_distance_upper": 2600.0,
          "luminosity_distance_unit": "Mpc",
          "luminosity_distance_meta": "na",
          "mass_1_source": 37.8,
          "mass_1_source_lower": -7.7,
          "mass_1_source_upper": 11.4,
          "mass_1_source_unit": "M_sun",
          "mass_1_source_meta": "na",
          "mass_2_source": 27.6,
          "mass_2_source_lower": -7.7,
          "mass_2_source_upper": 8.2,
          "mass_2_source_unit": "M_sun",
          "mass_2_source_meta": "na",
          "redshift": 0.76,
          "redshift_lower": -0.31,
          "redshift_upper": 0.32,
          "redshift_unit": "",
          "redshift_meta": "na",
          "total_mass_source": 65.4,
          "total_mass_source_lower": -9.9,
          "total_mass_source_upper": 14.2,
          "total_mass_source_unit": "M_sun",
          "total_mass_source_meta": "na"
        },
        "GWTC-5.0_MBTA_GW240501_033534": {
          "waveform_family": "na",
          "data_url": "",
          "date_added": "2026-05-22",
          "is_preferred": false,
          "pipeline_type": "search",
          "links": {},
          "far": 0.0029,
          "far_lower": null,
          "far_upper": null,
          "far_unit": "1/yr",
          "far_meta": "na",
          "network_matched_filter_snr": 10.6,
          "network_matched_filter_snr_lower": null,
          "network_matched_filter_snr_upper": null,
          "network_matched_filter_snr_unit": "",
          "network_matched_filter_snr_meta": "na",
          "p_astro": 0.99,
          "p_astro_lower": null,
          "p_astro_upper": null,
          "p_astro_unit": "",
          "p_astro_meta": "na"
        },
        "GWTC-5.0_pycbc_GW240501_033534": {
          "waveform_family": "na",
          "data_url": "",
          "date_added": "2026-05-22",
          "is_preferred": false,
          "pipeline_type": "search",
          "links": {},
          "far": 3.2e-05,
          "far_lower": null,
          "far_upper": null,
          "far_unit": "1/yr",
          "far_meta": "na",
          "network_matched_filter_snr": 10.0,
          "network_matched_filter_snr_lower": null,
          "network_matched_filter_snr_upper": null,
          "network_matched_filter_snr_unit": "",
          "network_matched_filter_snr_meta": "na",
          "p_astro": 0.99,
          "p_astro_lower": null,
          "p_astro_upper": null,
          "p_astro_unit": "",
          "p_astro_meta": "na"
        }
      }
    }
  }
}