Event Version List
Return all event versions
Query Parameters
name-contains=<string>release=<cat1>[,<cat2>]min-<param-name>=<value>max-<param-name>=<value>lastver=falseinclude-default-parameters: iftrueor 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:
GET /api/v2/event-versions?format=api&include-default-parameters=true&page=8
{ "next": "https://gwosc.org/api/v2/event-versions?format=api&include-default-parameters=true&page=9", "previous": "https://gwosc.org/api/v2/event-versions?format=api&include-default-parameters=true&page=7", "results_count": 225, "results_per_page": 20, "num_pages": 12, "page_number": 8, "results": [ { "name": "GW190521", "shortName": "GW190521-v3", "gps": 1242442967.4, "version": 3, "catalog": "GWTC-2", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190521-v3?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 114.8, "upper_error": 15.2, "lower_error": -17.6, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 69.2, "upper_error": 17.0, "lower_error": -10.6, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.03, "upper_error": 0.32, "lower_error": -0.39, "is_upper_limit": false, "is_lower_limit": false }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 156.3, "upper_error": 36.8, "lower_error": -22.4, "is_upper_limit": false, "is_lower_limit": false }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 3920.0, "upper_error": 2190.0, "lower_error": -1950.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 95.3, "upper_error": 28.7, "lower_error": -18.9, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 69.0, "upper_error": 22.7, "lower_error": -23.1, "is_upper_limit": false, "is_lower_limit": false }, { "name": "redshift", "unit": "", "description": "na", "best": 0.64, "upper_error": 0.28, "lower_error": -0.28, "is_upper_limit": false, "is_lower_limit": false }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 163.9, "upper_error": 39.2, "lower_error": -23.5, "is_upper_limit": false, "is_lower_limit": false }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.0002039635028, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.999624, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false }, { "name": "network_matched_filter_snr", "unit": "", "description": "na", "best": 14.376046048896756, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false } ] }, { "name": "GW190521", "shortName": "GW190521_030229-v4", "gps": 1242442967.4, "version": 4, "catalog": "GWTC-2.1-confident", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190521-v4?format=api", "default_parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 63.3, "upper_error": 19.6, "lower_error": -14.6, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chi_eff", "unit": "", "description": "na", "best": -0.14, "upper_error": 0.5, "lower_error": -0.45, "is_upper_limit": false, "is_lower_limit": false }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 147.4, "upper_error": 40.0, "lower_error": -16.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 3310.0, "upper_error": 2790.0, "lower_error": -1800.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 98.4, "upper_error": 33.6, "lower_error": -21.7, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 57.2, "upper_error": 27.1, "lower_error": -30.1, "is_upper_limit": false, "is_lower_limit": false }, { "name": "network_matched_filter_snr", "unit": "", "description": "na", "best": 14.3, "upper_error": 0.5, "lower_error": -0.4, "is_upper_limit": false, "is_lower_limit": false }, { "name": "redshift", "unit": "", "description": "na", "best": 0.56, "upper_error": 0.36, "lower_error": -0.27, "is_upper_limit": false, "is_lower_limit": false }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 153.1, "upper_error": 42.2, "lower_error": -16.2, "is_upper_limit": false, "is_lower_limit": false }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.0013, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.99989, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false } ] }, { "name": "GW190519_153544", "shortName": "GW190519_153544-v1", "gps": 1242315362.4, "version": 1, "catalog": "GWTC-2", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190519_153544-v1?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 65.1, "upper_error": 7.7, "lower_error": -10.3, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 44.5, "upper_error": 6.4, "lower_error": -7.1, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.31, "upper_error": 0.2, "lower_error": -0.22, "is_upper_limit": false, "is_lower_limit": false }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 101.0, "upper_error": 12.4, "lower_error": -13.8, "is_upper_limit": false, "is_lower_limit": false }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 2530.0, "upper_error": 1830.0, "lower_error": -920.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 66.0, "upper_error": 10.7, "lower_error": -12.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 40.5, "upper_error": 11.0, "lower_error": -11.1, "is_upper_limit": false, "is_lower_limit": false }, { "name": "redshift", "unit": "", "description": "na", "best": 0.44, "upper_error": 0.25, "lower_error": -0.14, "is_upper_limit": false, "is_lower_limit": false }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 106.6, "upper_error": 13.5, "lower_error": -14.8, "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": "network_matched_filter_snr", "unit": "", "description": "na", "best": 13.952630576346527, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false } ] }, { "name": "GW190519_153544", "shortName": "GW190519_153544-v2", "gps": 1242315362.3, "version": 2, "catalog": "GWTC-2.1-confident", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190519_153544-v2?format=api", "default_parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 44.3, "upper_error": 6.8, "lower_error": -7.5, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.33, "upper_error": 0.2, "lower_error": -0.24, "is_upper_limit": false, "is_lower_limit": false }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 100.0, "upper_error": 13.0, "lower_error": -12.9, "is_upper_limit": false, "is_lower_limit": false }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 2600.0, "upper_error": 1720.0, "lower_error": -960.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 65.1, "upper_error": 10.8, "lower_error": -11.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 40.8, "upper_error": 11.5, "lower_error": -12.7, "is_upper_limit": false, "is_lower_limit": false }, { "name": "network_matched_filter_snr", "unit": "", "description": "na", "best": 15.9, "upper_error": 0.2, "lower_error": -0.3, "is_upper_limit": false, "is_lower_limit": false }, { "name": "redshift", "unit": "", "description": "na", "best": 0.45, "upper_error": 0.24, "lower_error": -0.15, "is_upper_limit": false, "is_lower_limit": false }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 105.6, "upper_error": 14.4, "lower_error": -13.9, "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": "GW190519_153544", "shortName": "GW190519_153544-v3", "gps": 1242315362.4, "version": 3, "catalog": "IAS-O3a", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190519_153544-v3?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 70.0, "upper_error": 40.0, "lower_error": -30.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 43.0, "upper_error": 19.0, "lower_error": -13.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.4, "upper_error": 0.3, "lower_error": -1.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 3000.0, "upper_error": 3000.0, "lower_error": -1600.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 62.0, "upper_error": 93.0, "lower_error": -14.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 41.0, "upper_error": 14.0, "lower_error": -23.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "redshift", "unit": "", "description": "na", "best": 0.5, "upper_error": 0.4, "lower_error": -0.2, "is_upper_limit": false, "is_lower_limit": false }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 103.0, "upper_error": 92.0, "lower_error": -19.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.001, "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": 14.5, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false } ] }, { "name": "GW190517_055101", "shortName": "GW190517_055101-v1", "gps": 1242107479.8, "version": 1, "catalog": "GWTC-2", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190517_055101-v1?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 35.9, "upper_error": 4.0, "lower_error": -3.4, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 26.6, "upper_error": 4.0, "lower_error": -4.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.52, "upper_error": 0.19, "lower_error": -0.19, "is_upper_limit": false, "is_lower_limit": false }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 59.3, "upper_error": 9.1, "lower_error": -8.9, "is_upper_limit": false, "is_lower_limit": false }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 1860.0, "upper_error": 1620.0, "lower_error": -840.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 37.4, "upper_error": 11.7, "lower_error": -7.6, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 25.3, "upper_error": 7.0, "lower_error": -7.3, "is_upper_limit": false, "is_lower_limit": false }, { "name": "redshift", "unit": "", "description": "na", "best": 0.34, "upper_error": 0.24, "lower_error": -0.14, "is_upper_limit": false, "is_lower_limit": false }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 63.5, "upper_error": 9.6, "lower_error": -9.6, "is_upper_limit": false, "is_lower_limit": false }, { "name": "far", "unit": "1/yr", "description": "na", "best": 5.720513515363399e-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": 10.687871630965633, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false } ] }, { "name": "GW190517_055101", "shortName": "GW190517_055101-v2", "gps": 1242107479.8, "version": 2, "catalog": "GWTC-2.1-confident", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190517_055101-v2?format=api", "default_parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 26.5, "upper_error": 4.0, "lower_error": -4.2, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.49, "upper_error": 0.21, "lower_error": -0.28, "is_upper_limit": false, "is_lower_limit": false }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 60.1, "upper_error": 9.9, "lower_error": -9.4, "is_upper_limit": false, "is_lower_limit": false }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 1790.0, "upper_error": 1750.0, "lower_error": -880.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 39.2, "upper_error": 13.9, "lower_error": -9.2, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 24.0, "upper_error": 7.4, "lower_error": -7.9, "is_upper_limit": false, "is_lower_limit": false }, { "name": "network_matched_filter_snr", "unit": "", "description": "na", "best": 10.8, "upper_error": 0.5, "lower_error": -0.6, "is_upper_limit": false, "is_lower_limit": false }, { "name": "redshift", "unit": "", "description": "na", "best": 0.33, "upper_error": 0.26, "lower_error": -0.15, "is_upper_limit": false, "is_lower_limit": false }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 64.1, "upper_error": 9.9, "lower_error": -9.8, "is_upper_limit": false, "is_lower_limit": false }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.00035, "upper_error": null, "lower_error": null, "is_upper_limit": false, "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": "GW190517_055101", "shortName": "GW190517_055101-v3", "gps": 1242107479.8, "version": 3, "catalog": "IAS-O3a", "detectors": [ "H1", "L1", "V1" ], "detail_url": "https://gwosc.org/api/v2/event-versions/GW190517_055101-v3?format=api", "default_parameters": [ { "name": "chirp_mass", "unit": "M_sun", "description": "na", "best": 38.0, "upper_error": 53.0, "lower_error": -8.0, "is_upper_limit": false, "is_lower_limit": false }, { "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 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.6, "upper_error": 0.3, "lower_error": -0.8, "is_upper_limit": false, "is_lower_limit": false }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 2200.0, "upper_error": 4600.0, "lower_error": -1200.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 39.0, "upper_error": 75.0, "lower_error": -9.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 27.0, "upper_error": 10.0, "lower_error": -14.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "redshift", "unit": "", "description": "na", "best": 0.39, "upper_error": 0.61, "lower_error": -0.18, "is_upper_limit": false, "is_lower_limit": false }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 65.0, "upper_error": 77.0, "lower_error": -10.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "far", "unit": "1/yr", "description": "na", "best": 0.001, "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, 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