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=13
{ "next": "https://gwosc.org/api/v2/event-versions?format=api&include-default-parameters=true&page=14", "previous": "https://gwosc.org/api/v2/event-versions?format=api&include-default-parameters=true&page=12", "results_count": 358, "results_per_page": 20, "num_pages": 18, "page_number": 13, "results": [ { "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, "decimal_places": 1 }, { "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, "decimal_places": 1 }, { "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, "decimal_places": 2 }, { "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, "decimal_places": 1 }, { "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, "decimal_places": 0 }, { "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, "decimal_places": 1 }, { "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, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.64, "upper_error": 0.33, "lower_error": -0.29, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "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, "decimal_places": 1 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 1.559222128828275, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.81555, "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": 7.993907515410997, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 } ] }, { "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", "description": "na", "best": 22.8, "upper_error": 8.3, "lower_error": -4.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.25, "upper_error": 0.33, "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": 54.5, "upper_error": 38.3, "lower_error": -11.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 3730.0, "upper_error": 3120.0, "lower_error": -2070.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 36.6, "upper_error": 42.1, "lower_error": -11.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 19.9, "upper_error": 10.0, "lower_error": -9.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "network_matched_filter_snr", "unit": "", "description": "na", "best": 7.9, "upper_error": 0.3, "lower_error": -0.7, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.61, "upper_error": 0.39, "lower_error": -0.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 57.2, "upper_error": 38.4, "lower_error": -11.6, "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": 0.91976, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190719_215514", "shortName": "GW190719_215514-v3", "gps": 1247608532.9, "version": 3, "catalog": "IAS-O3a", "detectors": [ "H1", "L1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190719_215514-v3?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 60.0, "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": 31.0, "upper_error": 21.0, "lower_error": -11.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.6, "upper_error": 0.4, "lower_error": -1.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 6000.0, "upper_error": 9000.0, "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": 60.0, "upper_error": 60.0, "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": 25.0, "upper_error": 21.0, "lower_error": -15.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.9, "upper_error": 1.0, "lower_error": -0.5, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 90.0, "upper_error": 50.0, "lower_error": -40.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.12, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.9, "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": 8.38, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190718_160159", "shortName": "GW190718_160159-v1", "gps": 1247500937.3, "version": 1, "catalog": "IAS-O3a", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190718_160159-v1?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 9.1, "upper_error": 0.6, "lower_error": -0.7, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 7.1, "upper_error": 0.7, "lower_error": -3.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.7, "upper_error": 0.2, "lower_error": -0.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 1500.0, "upper_error": 7900.0, "lower_error": -700.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 11.0, "upper_error": 14.0, "lower_error": -3.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 6.3, "upper_error": 1.9, "lower_error": -4.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.28, "upper_error": 1.03, "lower_error": -0.11, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 17.0, "upper_error": 11.0, "lower_error": -3.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 2.1, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.53, "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": 8.43, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190711_030756", "shortName": "GW190711_030756-v1", "gps": 1246849694.6, "version": 1, "catalog": "IAS-O3a", "detectors": [ "H1", "L1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190711_030756-v1?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 47.0, "upper_error": 60.0, "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": 33.0, "upper_error": 28.0, "lower_error": -8.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.3, "upper_error": 0.6, "lower_error": -0.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 2500.0, "upper_error": 4300.0, "lower_error": -1300.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 90.0, "upper_error": 60.0, "lower_error": -50.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 20.0, "upper_error": 25.0, "lower_error": -9.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.4, "upper_error": 0.6, "lower_error": -0.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 120.0, "upper_error": 50.0, "lower_error": -50.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.09, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 3 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.93, "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": 8.97, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190708_232457", "shortName": "GW190708_232457-v1", "gps": 1246663515.4, "version": 1, "catalog": "GWTC-2", "detectors": [ "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190708_232457-v1?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 15.5, "upper_error": 0.3, "lower_error": -0.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 13.2, "upper_error": 0.9, "lower_error": -0.6, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.02, "upper_error": 0.1, "lower_error": -0.08, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 29.5, "upper_error": 2.5, "lower_error": -1.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 880.0, "upper_error": 330.0, "lower_error": -390.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 17.6, "upper_error": 4.7, "lower_error": -2.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 13.2, "upper_error": 2.0, "lower_error": -2.7, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.18, "upper_error": 0.06, "lower_error": -0.07, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 30.9, "upper_error": 2.5, "lower_error": -1.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 2.8252506364808675e-05, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.999988, "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": 13.07130069939341, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 } ] }, { "name": "GW190708_232457", "shortName": "GW190708_232457-v2", "gps": 1246663515.3, "version": 2, "catalog": "GWTC-2.1-confident", "detectors": [ "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190708_232457-v2?format=api", "default_parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 13.1, "upper_error": 0.9, "lower_error": -0.6, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.05, "upper_error": 0.1, "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": 30.1, "upper_error": 2.9, "lower_error": -2.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 930.0, "upper_error": 310.0, "lower_error": -390.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 19.8, "upper_error": 4.3, "lower_error": -4.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 11.6, "upper_error": 3.1, "lower_error": -2.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "network_matched_filter_snr", "unit": "", "description": "na", "best": 13.4, "upper_error": 0.2, "lower_error": -0.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.19, "upper_error": 0.06, "lower_error": -0.07, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 31.4, "upper_error": 2.8, "lower_error": -2.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.00031, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 5 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.99965, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190707_093326", "shortName": "GW190707_093326-v1", "gps": 1246527224.2, "version": 1, "catalog": "GWTC-2", "detectors": [ "H1", "L1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190707_093326-v1?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 9.89, "upper_error": 0.1, "lower_error": -0.09, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chirp_mass_source", "unit": "M_sun", 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