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=22
{ "next": "https://gwosc.org/api/v2/event-versions?format=api&include-default-parameters=true&page=23", "previous": "https://gwosc.org/api/v2/event-versions?format=api&include-default-parameters=true&page=21", "results_count": 671, "results_per_page": 20, "num_pages": 34, "page_number": 22, "results": [ { "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-v1", "gps": 1370047403.8, "version": 1, "catalog": "GWTC-4.0", "detectors": [ "H1", "L1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW230606_004305-v1?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": "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-v1", "gps": 1369983241.5, "version": 1, "catalog": "GWTC-4.0", "detectors": [ "H1", "L1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW230605_065343-v1?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": "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-v1", "gps": 1369849694.9, "version": 1, "catalog": "GWTC-4.0", "detectors": [ "H1", "L1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW230603_174756-v1?format=api", "default_parameters": [ { "name": "far", "unit": "1/yr", "description": "na", "best": 8.4, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.73, "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": "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-v1", "gps": 1369694512.1, "version": 1, "catalog": "GWTC-4.0", "detectors": [ "H1", "L1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW230601_224134-v1?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": "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-v1", "gps": 1369577478.3, "version": 1, "catalog": "GWTC-4.0", "detectors": [ "L1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW230531_141100-v1?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": 0.69, "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": 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