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=11
{ "next": "https://gwosc.org/api/v2/event-versions?format=api&include-default-parameters=true&page=12", "previous": "https://gwosc.org/api/v2/event-versions?format=api&include-default-parameters=true&page=10", "results_count": 358, "results_per_page": 20, "num_pages": 18, "page_number": 11, "results": [ { "name": "GW190915_235702", "shortName": "GW190915_235702-v2", "gps": 1252627040.6, "version": 2, "catalog": "GWTC-2.1-confident", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190915_235702-v2?format=api", "default_parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 24.4, "upper_error": 3.0, "lower_error": -2.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": -0.03, "upper_error": 0.19, "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": 54.7, "upper_error": 6.6, "lower_error": -5.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 1750.0, "upper_error": 710.0, "lower_error": -650.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 32.6, "upper_error": 8.8, "lower_error": -4.9, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 24.5, "upper_error": 4.9, "lower_error": -5.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "network_matched_filter_snr", "unit": "", "description": "na", "best": 13.1, "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": 0.32, "upper_error": 0.11, "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": 57.2, "upper_error": 7.1, "lower_error": -5.3, "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": 1 }, { "name": "p_astro", "unit": "", "description": "na", "best": 1.0, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190915_235702", "shortName": "GW190915_235702-v3", "gps": 1252627040.7, "version": 3, "catalog": "IAS-O3a", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190915_235702-v3?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 32.0, "upper_error": 37.0, "lower_error": -7.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 24.0, "upper_error": 19.0, "lower_error": -4.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "chi_eff", "unit": "", "description": "na", "best": -0.1, "upper_error": 0.6, "lower_error": -0.6, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 1800.0, "upper_error": 1800.0, "lower_error": -900.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 33.0, "upper_error": 65.0, "lower_error": -6.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 24.0, "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": 0.33, "upper_error": 0.26, "lower_error": -0.15, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 57.0, "upper_error": 70.0, "lower_error": -7.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.001, "upper_error": null, "lower_error": null, "is_upper_limit": true, "is_lower_limit": false, "decimal_places": 3 }, { "name": "p_astro", "unit": "", "description": "na", "best": 1.0, "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": 12.8, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 } ] }, { "name": "GW190910_112807", "shortName": "GW190910_112807-v1", "gps": 1252150105.3, "version": 1, "catalog": "GWTC-2", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190910_112807-v1?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 43.9, "upper_error": 4.6, "lower_error": -3.6, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 34.3, "upper_error": 4.1, "lower_error": -4.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.02, "upper_error": 0.18, "lower_error": -0.18, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 75.8, "upper_error": 8.5, "lower_error": -8.6, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 1460.0, "upper_error": 1030.0, "lower_error": -580.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 43.9, "upper_error": 7.6, "lower_error": -6.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 35.6, "upper_error": 6.3, "lower_error": -7.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.28, "upper_error": 0.16, "lower_error": -0.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 79.6, "upper_error": 9.3, "lower_error": -9.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 1.8852694587530696e-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": 13.41737344451953, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 } ] }, { "name": "GW190910_112807", "shortName": "GW190910_112807-v2", "gps": 1252150105.3, "version": 2, "catalog": "GWTC-2.1-confident", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190910_112807-v2?format=api", "default_parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 33.5, "upper_error": 4.2, "lower_error": -4.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.0, "upper_error": 0.17, "lower_error": -0.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 74.4, "upper_error": 8.5, "lower_error": -8.6, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 1520.0, "upper_error": 1090.0, "lower_error": -630.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 43.8, "upper_error": 7.6, "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": 34.2, "upper_error": 6.6, "lower_error": -7.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "network_matched_filter_snr", "unit": "", "description": "na", "best": 14.5, "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": 0.29, "upper_error": 0.17, "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": 78.0, "upper_error": 9.3, "lower_error": -9.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.0029, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 4 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.99669, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190910_012619", "shortName": "GW190910_012619-v1", "gps": 1252113997.2, "version": 1, "catalog": "IAS-O3a", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190910_012619-v1?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 9.3, "upper_error": 10.4, "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": 8.1, "upper_error": 5.9, "lower_error": -0.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": -0.6, "upper_error": 1.0, "lower_error": -0.4, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 1000.0, "upper_error": 1700.0, "lower_error": -400.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 34.0, "upper_error": 17.0, "lower_error": -15.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 3.2, "upper_error": 8.1, "lower_error": -0.6, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.19, "upper_error": 0.28, "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": 37.0, "upper_error": 19.0, "lower_error": -7.0, "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": 0.58, "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": 8.24, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190909_114149", "shortName": "GW190909_114149-v1", "gps": 1252064527.7, "version": 1, "catalog": "GWTC-2", "detectors": [ "H1", "L1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190909_114149-v1?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 49.8, "upper_error": 32.2, "lower_error": -12.4, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 30.9, "upper_error": 17.2, "lower_error": -7.5, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": -0.06, "upper_error": 0.37, "lower_error": -0.36, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 72.0, "upper_error": 54.9, "lower_error": -16.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 3770.0, "upper_error": 3270.0, "lower_error": -2220.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 45.8, "upper_error": 52.7, "lower_error": -13.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 28.3, "upper_error": 13.4, "lower_error": -12.7, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.62, "upper_error": 0.41, "lower_error": -0.33, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 75.0, "upper_error": 55.9, "lower_error": -17.6, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 1.1112276612026477, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.886704, "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": 9.047895, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190909_114149", "shortName": "GW190909_114149-v2", "gps": 1252064527.7, "version": 2, "catalog": "GWTC-2.1-auxiliary", "detectors": [ "H1", "L1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190909_114149-v2?format=api", "default_parameters": [ { "name": "far", "unit": "1/yr", "description": "na", "best": 26.1830194416, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.1525430959725358, "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": 9.047895, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GW190909_114149", "shortName": "GW190909_114149-v3", "gps": 1252064527.7, "version": 3, "catalog": "IAS-O3a", "detectors": [ "H1", "L1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190909_114149-v3?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 80.0, "upper_error": 50.0, "lower_error": -40.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 45.0, "upper_error": 23.0, "lower_error": -19.0, "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": 5000.0, "upper_error": 6000.0, "lower_error": -3000.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 110.0, "upper_error": 50.0, "lower_error": -70.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 28.0, "upper_error": 24.0, "lower_error": -14.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.8, "upper_error": 0.7, "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": 140.0, "upper_error": 60.0, "lower_error": -70.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "far", "unit": "1/yr", "description": "na", "best": 2.2, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": 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