Event Version List
Return all event versions
Query Parameters
name-contains=<string>release=<cat1>[,<cat2>]min-<param-name>=<value>max-<param-name>=<value>lastver=<bool>: iftrueor empty, include only the last version of each event on the list. Defaults to false.include-default-parameters: iftrueor empty, include a list with the preferred values for default parameters.pagesize=<int>: Number of results to return per page.
Find the full list of allowed parameter <param-name>s in the /default-parameters/ endpoint.
Example:
GET /api/v2/event-versions?format=api&include-default-parameters=true&page=12
{ "next": "https://gwosc.org/api/v2/event-versions?format=api&include-default-parameters=true&page=13", "previous": "https://gwosc.org/api/v2/event-versions?format=api&include-default-parameters=true&page=11", "results_count": 368, "results_per_page": 20, "num_pages": 19, "page_number": 12, "results": [ { "name": "GW190814_192009", "shortName": "GW190814_192009-v1", "gps": 1249845627.6, "version": 1, "catalog": "IAS-O3a", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190814_192009-v1?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 120.0, "upper_error": 40.0, "lower_error": -70.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 51.0, "upper_error": 29.0, "lower_error": -19.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.5, "upper_error": 0.4, "lower_error": -1.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 9000.0, "upper_error": 7000.0, "lower_error": -6000.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 80.0, "upper_error": 110.0, "lower_error": -30.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 50.0, "upper_error": 30.0, "lower_error": -30.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "redshift", "unit": "", "description": "na", "best": 1.2, "upper_error": 0.9, "lower_error": -0.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 130.0, "upper_error": 110.0, "lower_error": -40.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "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": 0.64, "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": 7.96, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190805_211137", "shortName": "GW190805_211137-v1", "gps": 1249074715.3, "version": 1, "catalog": "GWTC-2.1-confident", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190805_211137-v1?format=api", "default_parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 31.9, "upper_error": 8.8, "lower_error": -6.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.37, "upper_error": 0.29, "lower_error": -0.39, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 72.4, "upper_error": 18.2, "lower_error": -13.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 6130.0, "upper_error": 3720.0, "lower_error": -3080.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 46.2, "upper_error": 15.4, "lower_error": -11.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 30.6, "upper_error": 11.8, "lower_error": -11.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "network_matched_filter_snr", "unit": "", "description": "na", "best": 8.1, "upper_error": 0.5, "lower_error": -0.7, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.92, "upper_error": 0.43, "lower_error": -0.4, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 76.7, "upper_error": 19.5, "lower_error": -13.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.63, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.95372, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190805_211137", "shortName": "GW190805_211137-v2", "gps": 1249074715.3, "version": 2, "catalog": "IAS-O3a", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190805_211137-v2?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 70.0, "upper_error": 50.0, "lower_error": -30.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 32.0, "upper_error": 18.0, "lower_error": -9.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.6, "upper_error": 0.3, "lower_error": -1.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 7000.0, "upper_error": 6000.0, "lower_error": -4000.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 45.0, "upper_error": 78.0, "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": 32.0, "upper_error": 13.0, "lower_error": -19.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "redshift", "unit": "", "description": "na", "best": 1.0, "upper_error": 0.6, "lower_error": -0.6, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 78.0, "upper_error": 75.0, "lower_error": -17.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.3, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.81, "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": 8.58, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190803_022701", "shortName": "GW190803_022701-v1", "gps": 1248834439.9, "version": 1, "catalog": "GWTC-2", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190803_022701-v1?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 42.7, "upper_error": 6.3, "lower_error": -6.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 27.3, "upper_error": 5.7, "lower_error": -4.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": -0.03, "upper_error": 0.24, "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": 61.7, "upper_error": 11.8, "lower_error": -8.5, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 3270.0, "upper_error": 1950.0, "lower_error": -1580.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 37.3, "upper_error": 10.6, "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": 27.3, "upper_error": 7.8, "lower_error": -8.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.55, "upper_error": 0.26, "lower_error": -0.24, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 64.5, "upper_error": 12.6, "lower_error": -9.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.026934317250435554, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.99411, "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": 8.970600357413534, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 } ] }, { "name": "GW190803_022701", "shortName": "GW190803_022701-v2", "gps": 1248834439.8, "version": 2, "catalog": "GWTC-2.1-confident", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190803_022701-v2?format=api", "default_parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 27.6, "upper_error": 5.4, "lower_error": -3.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": -0.01, "upper_error": 0.23, "lower_error": -0.28, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 62.1, "upper_error": 11.2, "lower_error": -7.6, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 3190.0, "upper_error": 1630.0, "lower_error": -1470.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 37.7, "upper_error": 9.8, "lower_error": -6.7, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 27.6, "upper_error": 7.6, "lower_error": -8.5, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "network_matched_filter_snr", "unit": "", "description": "na", "best": 9.3, "upper_error": 0.3, "lower_error": -0.5, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.54, "upper_error": 0.22, "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": 65.0, "upper_error": 12.0, "lower_error": -8.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.073, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 3 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.97383, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190803_022701", "shortName": "GW190803_022701-v3", "gps": 1248834439.9, "version": 3, "catalog": "IAS-O3a", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190803_022701-v3?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 44.0, "upper_error": 56.0, "lower_error": -13.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 28.0, "upper_error": 18.0, "lower_error": -6.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.0, "upper_error": 0.6, "lower_error": -0.7, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 4000.0, "upper_error": 5000.0, "lower_error": -2000.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 38.0, "upper_error": 72.0, "lower_error": -8.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 27.0, "upper_error": 11.0, "lower_error": -14.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.6, "upper_error": 0.7, "lower_error": -0.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 66.0, "upper_error": 72.0, "lower_error": -11.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.064, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 3 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.94, "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": 8.61, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190731_140936", "shortName": "GW190731_140936-v1", "gps": 1248617394.6, "version": 1, "catalog": "GWTC-2", "detectors": [ "H1", "L1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190731_140936-v1?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 46.6, "upper_error": 6.8, "lower_error": -8.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 29.5, "upper_error": 7.1, "lower_error": -5.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.06, "upper_error": 0.24, "lower_error": -0.24, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 67.0, "upper_error": 14.6, "lower_error": -10.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 3300.0, "upper_error": 2390.0, "lower_error": -1720.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 41.5, "upper_error": 12.2, "lower_error": -9.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 28.8, "upper_error": 9.7, "lower_error": -9.5, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.55, "upper_error": 0.31, "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": 70.1, "upper_error": 15.8, "lower_error": -11.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.20584212311867794, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.966501, "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": 8.460146466288636, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 } ] }, { "name": "GW190731_140936", "shortName": "GW190731_140936-v2", "gps": 1248617394.6, "version": 2, "catalog": "GWTC-2.1-confident", "detectors": [ "H1", "L1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190731_140936-v2?format=api", "default_parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 29.7, "upper_error": 7.4, "lower_error": -5.3, "is_upper_limit": false, 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