Return all event versions

Query Parameters

  • name-contains=<string>
  • release=<cat1>[,<cat2>]
  • min-<param-name>=<value>
  • max-<param-name>=<value>
  • lastver=false
  • include-default-parameters: if true or empty, include a list with the preferred values for default parameters.

Find the full list of allowed parameter <param-name>s in the /default-parameters/ endpoint.

Example:

/event-versions?max-mass-1-source=3

GET /api/v2/event-versions?format=api&include-default-parameters=true&page=5
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "next": "https://gwosc.org/api/v2/event-versions?format=api&include-default-parameters=true&page=6",
    "previous": "https://gwosc.org/api/v2/event-versions?format=api&include-default-parameters=true&page=4",
    "results_count": 182,
    "results_per_page": 20,
    "num_pages": 10,
    "page_number": 5,
    "results": [
        {
            "name": "GW190727_060333",
            "shortName": "GW190727_060333-v1",
            "gps": 1248242632.0,
            "version": 1,
            "catalog": "GWTC-2",
            "detectors": [
                "H1",
                "L1",
                "V1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW190727_060333-v1?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 44.7,
                    "upper_error": 5.3,
                    "lower_error": -5.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 28.6,
                    "upper_error": 5.3,
                    "lower_error": -3.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": 0.11,
                    "upper_error": 0.26,
                    "lower_error": -0.25,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 63.8,
                    "upper_error": 10.9,
                    "lower_error": -7.5,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 3300.0,
                    "upper_error": 1540.0,
                    "lower_error": -1500.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 38.0,
                    "upper_error": 9.5,
                    "lower_error": -6.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 29.4,
                    "upper_error": 7.1,
                    "lower_error": -8.4,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.55,
                    "upper_error": 0.21,
                    "lower_error": -0.22,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 67.1,
                    "upper_error": 11.7,
                    "lower_error": -8.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 1e-05,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": true,
                    "is_lower_limit": false
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 1.0,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 12.29941092425987,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                }
            ]
        },
        {
            "name": "GW190727_060333",
            "shortName": "GW190727_060333-v2",
            "gps": 1248242631.9,
            "version": 2,
            "catalog": "GWTC-2.1-confident",
            "detectors": [
                "H1",
                "L1",
                "V1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW190727_060333-v2?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 29.4,
                    "upper_error": 4.6,
                    "lower_error": -3.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": 0.09,
                    "upper_error": 0.25,
                    "lower_error": -0.27,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 65.4,
                    "upper_error": 9.5,
                    "lower_error": -7.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 3070.0,
                    "upper_error": 1300.0,
                    "lower_error": -1230.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 38.9,
                    "upper_error": 8.9,
                    "lower_error": -6.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 30.2,
                    "upper_error": 6.5,
                    "lower_error": -8.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 11.7,
                    "upper_error": 0.2,
                    "lower_error": -0.5,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.52,
                    "upper_error": 0.18,
                    "lower_error": -0.18,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 68.8,
                    "upper_error": 10.2,
                    "lower_error": -7.8,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 1e-05,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": true,
                    "is_lower_limit": false
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 1.0,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                }
            ]
        },
        {
            "name": "GW190725_174728",
            "shortName": "GW190725_174728-v1",
            "gps": 1248112066.4,
            "version": 1,
            "catalog": "GWTC-2.1-confident",
            "detectors": [
                "H1",
                "L1",
                "V1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW190725_174728-v1?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 7.4,
                    "upper_error": 0.5,
                    "lower_error": -0.5,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": -0.04,
                    "upper_error": 0.36,
                    "lower_error": -0.16,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 17.6,
                    "upper_error": 7.7,
                    "lower_error": -1.8,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 1030.0,
                    "upper_error": 520.0,
                    "lower_error": -430.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 11.8,
                    "upper_error": 10.1,
                    "lower_error": -3.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 6.3,
                    "upper_error": 2.1,
                    "lower_error": -2.5,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 9.1,
                    "upper_error": 0.4,
                    "lower_error": -0.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.2,
                    "upper_error": 0.09,
                    "lower_error": -0.08,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 18.3,
                    "upper_error": 7.4,
                    "lower_error": -1.9,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 0.46,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.96021,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                }
            ]
        },
        {
            "name": "GW190720_000836",
            "shortName": "GW190720_000836-v1",
            "gps": 1247616534.7,
            "version": 1,
            "catalog": "GWTC-2",
            "detectors": [
                "H1",
                "L1",
                "V1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW190720_000836-v1?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 10.4,
                    "upper_error": 0.2,
                    "lower_error": -0.1,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 8.9,
                    "upper_error": 0.5,
                    "lower_error": -0.8,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": 0.18,
                    "upper_error": 0.14,
                    "lower_error": -0.12,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 20.4,
                    "upper_error": 4.5,
                    "lower_error": -2.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 790.0,
                    "upper_error": 690.0,
                    "lower_error": -320.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 13.4,
                    "upper_error": 6.7,
                    "lower_error": -3.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 7.8,
                    "upper_error": 2.3,
                    "lower_error": -2.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.16,
                    "upper_error": 0.12,
                    "lower_error": -0.06,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 21.5,
                    "upper_error": 4.3,
                    "lower_error": -2.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 1e-05,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": true,
                    "is_lower_limit": false
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 1.0,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 11.6960978153441,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                }
            ]
        },
        {
            "name": "GW190720_000836",
            "shortName": "GW190720_000836-v2",
            "gps": 1247616534.7,
            "version": 2,
            "catalog": "GWTC-2.1-confident",
            "detectors": [
                "H1",
                "L1",
                "V1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW190720_000836-v2?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 9.0,
                    "upper_error": 0.4,
                    "lower_error": -0.8,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": 0.19,
                    "upper_error": 0.14,
                    "lower_error": -0.11,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 20.8,
                    "upper_error": 3.9,
                    "lower_error": -2.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 770.0,
                    "upper_error": 650.0,
                    "lower_error": -260.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 14.2,
                    "upper_error": 5.6,
                    "lower_error": -3.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 7.5,
                    "upper_error": 2.2,
                    "lower_error": -1.8,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 10.9,
                    "upper_error": 0.3,
                    "lower_error": -0.8,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.16,
                    "upper_error": 0.11,
                    "lower_error": -0.05,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 21.8,
                    "upper_error": 3.8,
                    "lower_error": -2.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 1e-05,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": true,
                    "is_lower_limit": false
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 1.0,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                }
            ]
        },
        {
            "name": "GW190719_215514",
            "shortName": "GW190719_215514-v1",
            "gps": 1247608532.9,
            "version": 1,
            "catalog": "GWTC-2",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW190719_215514-v1?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 38.7,
                    "upper_error": 9.2,
                    "lower_error": -6.6,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 23.5,
                    "upper_error": 6.5,
                    "lower_error": -4.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": 0.32,
                    "upper_error": 0.29,
                    "lower_error": -0.31,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 54.9,
                    "upper_error": 17.3,
                    "lower_error": -10.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 3940.0,
                    "upper_error": 2590.0,
                    "lower_error": -2000.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 36.5,
                    "upper_error": 18.0,
                    "lower_error": -10.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 20.8,
                    "upper_error": 9.0,
                    "lower_error": -7.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.64,
                    "upper_error": 0.33,
                    "lower_error": -0.29,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 57.8,
                    "upper_error": 18.3,
                    "lower_error": -10.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 1.559222128828275,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.81555,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 7.993907515410997,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                }
            ]
        },
        {
            "name": "GW190719_215514",
            "shortName": "GW190719_215514-v2",
            "gps": 1247608532.9,
            "version": 2,
            "catalog": "GWTC-2.1-confident",
            "detectors": [
                "H1",
                "L1"
            ],
            "detail_url": "https://gwosc.org/api/v2/event-versions/GW190719_215514-v2?format=api",
            "default_parameters": [
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
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