Return all events from a given catalog.

Query parameters:

  • include-default-parameters: if true or empty, include a list with the preferred values for default parameters.
  • pagesize=<int>: Number of results to return per page.

Rel URLs:

  • Follow parameters_url for a list of parameter estimations.
  • Follow timelines_url for a list of timelines and segments.
GET /api/v2/catalogs/GWTC-4.1/events?format=api&include-default-parameters=true&page=7
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "next": null,
    "previous": "https://gwosc.org/api/v2/catalogs/GWTC-4.1/events?format=api&include-default-parameters=true&page=6",
    "results_count": 140,
    "results_per_page": 20,
    "num_pages": 7,
    "page_number": 7,
    "results": [
        {
            "name": "GW230625_211655",
            "shortName": "GW230625_211655-v2",
            "gps": 1371763033.0,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230625_211655-v2?format=api",
            "default_parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 9.8,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.61,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 8.1,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230624_214944",
            "shortName": "GW230624_214944-v2",
            "gps": 1371678602.5,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230624_214944-v2?format=api",
            "default_parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 2.2,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.74,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 10.6,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230624_113103",
            "shortName": "GW230624_113103-v2",
            "gps": 1371641481.7,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230624_113103-v2?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 18.0,
                    "upper_error": 3.2,
                    "lower_error": -2.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": 0.17,
                    "upper_error": 0.29,
                    "lower_error": -0.25,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 41.7,
                    "upper_error": 11.0,
                    "lower_error": -6.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 1930.0,
                    "upper_error": 1270.0,
                    "lower_error": -970.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 27.1,
                    "upper_error": 14.0,
                    "lower_error": -6.8,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 16.1,
                    "upper_error": 4.8,
                    "lower_error": -4.5,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.35,
                    "upper_error": 0.19,
                    "lower_error": -0.16,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 43.7,
                    "upper_error": 11.3,
                    "lower_error": -6.5,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 0.00017,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 5
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.99,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": true,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 11.4,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230618_102550",
            "shortName": "GW230618_102550-v2",
            "gps": 1371119168.0,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230618_102550-v2?format=api",
            "default_parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 11.0,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.6,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 7.8,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230615_160825",
            "shortName": "GW230615_160825-v2",
            "gps": 1370880524.0,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230615_160825-v2?format=api",
            "default_parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 4.1,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.76,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 8.9,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230610_061439",
            "shortName": "GW230610_061439-v1",
            "gps": 1370412897.4,
            "version": 1,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230610_061439-v1?format=api",
            "default_parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 13.0,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.53,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 8.3,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230609_064958",
            "shortName": "GW230609_064958-v2",
            "gps": 1370328616.3,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230609_064958-v2?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 25.6,
                    "upper_error": 5.6,
                    "lower_error": -3.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": -0.14,
                    "upper_error": 0.22,
                    "lower_error": -0.27,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 58.0,
                    "upper_error": 12.1,
                    "lower_error": -7.9,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 3400.0,
                    "upper_error": 1900.0,
                    "lower_error": -1800.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 35.4,
                    "upper_error": 10.7,
                    "lower_error": -7.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 25.2,
                    "upper_error": 7.6,
                    "lower_error": -7.4,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.56,
                    "upper_error": 0.25,
                    "lower_error": -0.26,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 60.5,
                    "upper_error": 12.7,
                    "lower_error": -8.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 0.0001,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 5
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.99,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": true,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 10.6,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230609_010824",
            "shortName": "GW230609_010824-v2",
            "gps": 1370308122.4,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230609_010824-v2?format=api",
            "default_parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 2.7,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.85,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 8.0,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230608_205047",
            "shortName": "GW230608_205047-v2",
            "gps": 1370292665.2,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230608_205047-v2?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 32.7,
                    "upper_error": 7.3,
                    "lower_error": -5.4,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": 0.04,
                    "upper_error": 0.25,
                    "lower_error": -0.26,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 75.0,
                    "upper_error": 15.0,
                    "lower_error": -11.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 3500.0,
                    "upper_error": 2200.0,
                    "lower_error": -1700.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 48.0,
                    "upper_error": 13.0,
                    "lower_error": -11.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 31.0,
                    "upper_error": 11.0,
                    "lower_error": -10.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.58,
                    "upper_error": 0.29,
                    "lower_error": -0.25,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 79.0,
                    "upper_error": 16.0,
                    "lower_error": -11.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 0.0011,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 4
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.99,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": true,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 10.2,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230606_065320",
            "shortName": "GW230606_065320-v1",
            "gps": 1370069618.1,
            "version": 1,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230606_065320-v1?format=api",
            "default_parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 7.900000000000001,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.64,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 12.6,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230606_024545",
            "shortName": "GW230606_024545-v2",
            "gps": 1370054763.5,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230606_024545-v2?format=api",
            "default_parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 1.5,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.88,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 7.5,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230606_004305",
            "shortName": "GW230606_004305-v2",
            "gps": 1370047403.8,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230606_004305-v2?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 26.5,
                    "upper_error": 5.7,
                    "lower_error": -3.6,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": -0.11,
                    "upper_error": 0.26,
                    "lower_error": -0.31,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 60.8,
                    "upper_error": 12.8,
                    "lower_error": -8.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 2800.0,
                    "upper_error": 1500.0,
                    "lower_error": -1400.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 37.6,
                    "upper_error": 13.3,
                    "lower_error": -7.6,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 25.7,
                    "upper_error": 8.2,
                    "lower_error": -8.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.48,
                    "upper_error": 0.21,
                    "lower_error": -0.22,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 63.4,
                    "upper_error": 13.5,
                    "lower_error": -8.4,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 0.00041,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 5
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.99,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": true,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 11.1,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230605_065343",
            "shortName": "GW230605_065343-v2",
            "gps": 1369983241.5,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230605_065343-v2?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 11.95,
                    "upper_error": 0.94,
                    "lower_error": -0.94,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": 0.06,
                    "upper_error": 0.16,
                    "lower_error": -0.1,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 27.3,
                    "upper_error": 4.2,
                    "lower_error": -2.8,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 1060.0,
                    "upper_error": 610.0,
                    "lower_error": -480.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 17.4,
                    "upper_error": 6.6,
                    "lower_error": -3.6,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 11.0,
                    "upper_error": 2.5,
                    "lower_error": -2.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.21,
                    "upper_error": 0.1,
                    "lower_error": -0.09,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 28.6,
                    "upper_error": 4.1,
                    "lower_error": -2.8,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 1e-05,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": true,
                    "is_lower_limit": false,
                    "decimal_places": 6
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.99,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": true,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 11.4,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230603_174756",
            "shortName": "GW230603_174756-v2",
            "gps": 1369849694.9,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230603_174756-v2?format=api",
            "default_parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 4.0,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.79,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 8.0,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230601_224134",
            "shortName": "GW230601_224134-v2",
            "gps": 1369694512.1,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230601_224134-v2?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 45.1,
                    "upper_error": 9.8,
                    "lower_error": -7.4,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": -0.03,
                    "upper_error": 0.27,
                    "lower_error": -0.32,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 102.0,
                    "upper_error": 21.0,
                    "lower_error": -14.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 3700.0,
                    "upper_error": 2100.0,
                    "lower_error": -1800.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 64.0,
                    "upper_error": 17.0,
                    "lower_error": -13.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 44.0,
                    "upper_error": 14.0,
                    "lower_error": -15.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.6,
                    "upper_error": 0.27,
                    "lower_error": -0.26,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 107.0,
                    "upper_error": 22.0,
                    "lower_error": -15.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 1e-05,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": true,
                    "is_lower_limit": false,
                    "decimal_places": 6
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.99,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": true,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 13.4,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230531_141100",
            "shortName": "GW230531_141100-v2",
            "gps": 1369577478.3,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230531_141100-v2?format=api",
            "default_parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 3.5,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.72,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 8.0,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230529_181500",
            "shortName": "GW230529_181500-v3",
            "gps": 1369419318.7,
            "version": 3,
            "catalog": "GWTC-4.1",
            "detectors": [
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230529_181500-v3?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 1.94,
                    "upper_error": 0.04,
                    "lower_error": -0.04,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": -0.1,
                    "upper_error": 0.12,
                    "lower_error": -0.18,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 203.0,
                    "upper_error": 103.0,
                    "lower_error": -98.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 3.66,
                    "upper_error": 0.82,
                    "lower_error": -1.21,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 1.42,
                    "upper_error": 0.6,
                    "lower_error": -0.22,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.04,
                    "upper_error": 0.02,
                    "lower_error": -0.02,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 5.08,
                    "upper_error": 0.61,
                    "lower_error": -0.6,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 0.00022,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 5
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.99,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": true,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 11.8,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230528_145129",
            "shortName": "GW230528_145129-v1",
            "gps": 1369320707.7,
            "version": 1,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230528_145129-v1?format=api",
            "default_parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 14.0,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.5,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 8.8,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230518_125908",
            "shortName": "GW230518_125908-v2",
            "gps": 1368449966.2,
            "version": 2,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230518_125908-v2?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 2.8,
                    "upper_error": 0.06,
                    "lower_error": -0.06,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": -0.01,
                    "upper_error": 0.09,
                    "lower_error": -0.11,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 236.0,
                    "upper_error": 108.0,
                    "lower_error": -96.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 8.17,
                    "upper_error": 0.84,
                    "lower_error": -0.92,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 1.45,
                    "upper_error": 0.13,
                    "lower_error": -0.1,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.05,
                    "upper_error": 0.02,
                    "lower_error": -0.02,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 9.61,
                    "upper_error": 0.76,
                    "lower_error": -0.79,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 1e-05,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": true,
                    "is_lower_limit": false,
                    "decimal_places": 6
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.99,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": true,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 14.1,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GW230517_044807",
            "shortName": "GW230517_044807-v1",
            "gps": 1368334105.4,
            "version": 1,
            "catalog": "GWTC-4.1",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW230517_044807-v1?format=api",
            "default_parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 8.5,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.62,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 11.8,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        }
    ]
}