Event Version Parameter List
Return the full list of all parameter estimations from all pipelines for an event version.
GET /api/v2/event-versions/GW230712_090405-v2/parameters?format=api
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"date_added": "2026-05-20", "data_url": "", "pipeline": "gstlal", "pipeline_type": "search", "waveform_family": "na", "is_preferred": false, "links": [], "parameters": [ { "name": "far", "unit": "1/yr", "description": "na", "best": 98.00000000000001, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "network_matched_filter_snr", "unit": "", "description": "na", "best": 8.2, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.14, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GWTC-4.1_GW230712_090405_C00:IMRPhenomXO4a_OO1_PE", "description": "na", "date_added": "2026-05-20", "data_url": 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"decimal_places": 0 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 2100.0, "upper_error": 2800.0, "lower_error": -1100.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 32.0, "upper_error": 18.0, "lower_error": -10.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 14.7, "upper_error": 13.7, "lower_error": -7.4, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.38, "upper_error": 0.39, "lower_error": -0.17, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 48.0, "upper_error": 21.0, "lower_error": -13.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 } ] }, { "name": "GWTC-4.1_GW230712_090405_C00:IMRPhenomXPHM-SpinTaylor_OO2_PE", "description": "na", "date_added": "2026-05-20", "data_url": "https://zenodo.org/api/records/20275769/files/IGWN-GWTC4p1-18965dda8_5-GW230712_090405-combined_PEDataRelease.hdf5/content", "pipeline": "GWTC-4.1_GW230712_090405_C00:IMRPhenomXPHM-SpinTaylor_OO2_PE", "pipeline_type": "pe", "waveform_family": "C00:IMRPhenomXPHM-SpinTaylor", "is_preferred": false, "links": [ { "url": "https://doi.org/10.5281/zenodo.20275769", "label": "na", "description": "Zenodo record for additional PE data products" } ], "parameters": [ { "name": "chi_eff", "unit": "", "description": "na", "best": -0.03, "upper_error": 0.33, "lower_error": -0.31, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 16.2, "upper_error": 11.8, "lower_error": -3.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 43.8, "upper_error": 21.7, "lower_error": -9.9, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 2100.0, "upper_error": 2600.0, "lower_error": -1100.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 31.6, "upper_error": 17.1, "lower_error": -9.9, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 12.7, "upper_error": 15.7, "lower_error": -5.6, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.38, "upper_error": 0.36, "lower_error": -0.18, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 45.1, "upper_error": 23.0, "lower_error": -9.9, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 } ] }, { "name": "GWTC-4.1_GW230712_090405_C00:Mixed_OO3_PE", "description": "na", "date_added": "2026-05-20", "data_url": "https://zenodo.org/api/records/20275769/files/IGWN-GWTC4p1-18965dda8_5-GW230712_090405-combined_PEDataRelease.hdf5/content", "pipeline": "GWTC-4.1_GW230712_090405_C00:Mixed_OO3_PE", "pipeline_type": "pe", "waveform_family": "C00:Mixed", "is_preferred": false, "links": [ { "url": "https://doi.org/10.5281/zenodo.20275769", "label": "na", "description": "Zenodo record for additional PE data products" } ], "parameters": [ { "name": "chi_eff", "unit": "", "description": "na", "best": -0.02, "upper_error": 0.35, "lower_error": -0.31, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 16.2, "upper_error": 11.5, 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"is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 46.0, "upper_error": 22.0, "lower_error": -10.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 } ] }, { "name": "GWTC-4.1_GW230712_090405_C00:Mixed+XO4a_OO4_PE", "description": "na", "date_added": "2026-05-20", "data_url": "https://zenodo.org/api/records/20275769/files/IGWN-GWTC4p1-18965dda8_5-GW230712_090405-combined_PEDataRelease.hdf5/content", "pipeline": "GWTC-4.1_GW230712_090405_C00:Mixed+XO4a_OO4_PE", "pipeline_type": "pe", "waveform_family": "C00:Mixed+XO4a", "is_preferred": true, "links": [ { "url": "https://doi.org/10.5281/zenodo.20275769", "label": "na", "description": "Zenodo record for additional PE data products" } ], "parameters": [ { "name": "chi_eff", "unit": "", "description": "na", "best": -0.02, "upper_error": 0.35, "lower_error": -0.31, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 16.2, "upper_error": 11.5, "lower_error": -2.9, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 44.0, "upper_error": 21.0, "lower_error": -10.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 2000.0, "upper_error": 2400.0, "lower_error": -1000.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 32.0, "upper_error": 16.0, "lower_error": -10.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 12.5, "upper_error": 15.3, "lower_error": -5.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.37, "upper_error": 0.34, "lower_error": -0.17, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 46.0, "upper_error": 22.0, "lower_error": -10.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 } ] }, { "name": "GWTC-4.1_GW230712_090405_C00:SEOBNRv5PHM_OO5_PE", "description": "na", "date_added": "2026-05-20", "data_url": "https://zenodo.org/api/records/20275769/files/IGWN-GWTC4p1-18965dda8_5-GW230712_090405-combined_PEDataRelease.hdf5/content", "pipeline": "GWTC-4.1_GW230712_090405_C00:SEOBNRv5PHM_OO5_PE", "pipeline_type": "pe", "waveform_family": "C00:SEOBNRv5PHM", "is_preferred": false, "links": [ { "url": "https://doi.org/10.5281/zenodo.20275769", "label": "na", "description": "Zenodo record for additional PE data products" } ], "parameters": [ { "name": "chi_eff", "unit": "", "description": "na", "best": -0.02, "upper_error": 0.36, "lower_error": -0.31, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 16.3, "upper_error": 11.3, "lower_error": -2.9, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 45.0, "upper_error": 19.0, "lower_error": -11.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 1960.0, "upper_error": 2240.0, "lower_error": -960.0, "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": 16.0, "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": 12.4, "upper_error": 14.8, "lower_error": -4.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.36, "upper_error": 0.32, "lower_error": -0.16, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 46.0, "upper_error": 21.0, "lower_error": -11.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 } ] }, { "name": "GWTC-4.1_pycbc_GW230712_090405", "description": "na", "date_added": "2026-05-20", "data_url": "", "pipeline": "pycbc", "pipeline_type": "search", "waveform_family": "na", "is_preferred": false, "links": [], "parameters": [ { "name": "far", "unit": "1/yr", "description": "na", "best": 67.0, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "network_matched_filter_snr", "unit": "", "description": "na", "best": 8.2, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.17, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] } ] }