Parameter List
Return the full list of all parameter estimations from all pipelines for an event version.
GET /api/v2/event-versions/GW231231_154016-v1/parameters?format=api
https://zenodo.org/api/records/16053484/files/IGWN-GWTC4p0-0f954158d_720-GW231231_154016-combined_PEDataRelease.hdf5/content", "pipeline": "GWTC-4.0_GW231231_154016_C00:Mixed_CC2_PE", "pipeline_type": "pe", "waveform_family": "C00:Mixed", "is_preferred": true, "links": [ { "url": "https://doi.org/10.5281/zenodo.16053483", "label": "na", "description": "Zenodo record for additional PE data products" } ], "parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 17.1, "upper_error": 1.6, "lower_error": -1.3, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chi_eff", "unit": "", "description": "na", "best": -0.03, "upper_error": 0.11, "lower_error": -0.11, "is_upper_limit": false, "is_lower_limit": false }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 38.1, "upper_error": 3.9, "lower_error": -3.1, "is_upper_limit": false, "is_lower_limit": false }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 1060.0, "upper_error": 580.0, "lower_error": -530.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 22.5, "upper_error": 5.2, "lower_error": -3.2, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 17.2, "upper_error": 2.8, "lower_error": -3.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "redshift", "unit": "", "description": "na", "best": 0.21, "upper_error": 0.1, "lower_error": -0.1, "is_upper_limit": false, "is_lower_limit": false }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 39.9, "upper_error": 4.0, "lower_error": -3.3, "is_upper_limit": false, "is_lower_limit": false } ] }, { "name": "GWTC-4.0_GW231231_154016_C00:SEOBNRv5PHM_CC3_PE", "description": "na", "date_added": "2025-08-26", "data_url": "https://zenodo.org/api/records/16053484/files/IGWN-GWTC4p0-0f954158d_720-GW231231_154016-combined_PEDataRelease.hdf5/content", "pipeline": "GWTC-4.0_GW231231_154016_C00:SEOBNRv5PHM_CC3_PE", "pipeline_type": "pe", "waveform_family": "C00:SEOBNRv5PHM", "is_preferred": false, "links": [ { "url": "https://doi.org/10.5281/zenodo.16053483", "label": "na", "description": "Zenodo record for additional PE data products" } ], "parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 17.1, "upper_error": 1.6, "lower_error": -1.3, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chi_eff", "unit": "", "description": "na", "best": -0.04, "upper_error": 0.11, "lower_error": -0.11, "is_upper_limit": false, "is_lower_limit": false }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 38.1, "upper_error": 3.9, "lower_error": -3.1, "is_upper_limit": false, "is_lower_limit": false }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 1070.0, "upper_error": 560.0, "lower_error": -540.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 22.4, "upper_error": 5.2, "lower_error": -3.1, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 17.3, "upper_error": 2.8, "lower_error": -3.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "redshift", "unit": "", "description": "na", "best": 0.21, "upper_error": 0.1, "lower_error": -0.1, "is_upper_limit": false, "is_lower_limit": false }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 39.9, "upper_error": 4.0, "lower_error": -3.2, "is_upper_limit": false, "is_lower_limit": false } ] }, { "name": "GWTC-4.0_GW231231_154016_SpinTaylor_CC1_PE", "description": "na", "date_added": "2025-08-26", "data_url": "https://zenodo.org/api/records/16053484/files/IGWN-GWTC4p0-0f954158d_720-GW231231_154016-combined_PEDataRelease.hdf5/content", "pipeline": "GWTC-4.0_GW231231_154016_SpinTaylor_CC1_PE", "pipeline_type": "pe", "waveform_family": "SpinTaylor", "is_preferred": false, "links": [ { "url": "https://doi.org/10.5281/zenodo.16053483", "label": "na", "description": "Zenodo record for additional PE data products" } ], "parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 17.1, "upper_error": 1.6, "lower_error": -1.3, "is_upper_limit": false, "is_lower_limit": false }, { "name": "chi_eff", "unit": "", "description": "na", "best": -0.03, "upper_error": 0.11, "lower_error": -0.11, "is_upper_limit": false, "is_lower_limit": false }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 38.2, "upper_error": 3.9, "lower_error": -3.2, "is_upper_limit": false, "is_lower_limit": false }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 1060.0, "upper_error": 590.0, "lower_error": -530.0, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 22.6, "upper_error": 5.2, "lower_error": -3.2, "is_upper_limit": false, "is_lower_limit": false }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 17.2, "upper_error": 2.8, "lower_error": -2.9, "is_upper_limit": false, "is_lower_limit": false }, { "name": "redshift", "unit": "", "description": "na", "best": 0.21, "upper_error": 0.1, "lower_error": -0.1, "is_upper_limit": false, "is_lower_limit": false }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 40.0, "upper_error": 4.0, "lower_error": -3.3, "is_upper_limit": false, "is_lower_limit": false } ] }, { "name": "GWTC-4.0_pycbc_GW231231_154016", "description": "na", "date_added": "2025-08-26", "data_url": "", "pipeline": "pycbc", "pipeline_type": "search", "waveform_family": "na", "is_preferred": false, "links": [], "parameters": [ { "name": "far", "unit": "1/yr", "description": "na", "best": 0.001, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false }, { "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 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.99, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": true } ] } ] }{ "next": null, "previous": null, "results_count": 5, "results_per_page": 20, "num_pages": 1, "page_number": 1, "results": [ { "name": "GWTC-4.0_gstlal_GW231231_154016", "description": "na", "date_added": "2025-08-26", "data_url": "", "pipeline": "gstlal", "pipeline_type": "search", "waveform_family": "na", "is_preferred": false, "links": [], "parameters": [ { "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": "network_matched_filter_snr", "unit": "", "description": "na", "best": 13.4, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.99, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": true } ] }, { "name": "GWTC-4.0_GW231231_154016_C00:Mixed_CC2_PE", "description": "na", "date_added": "2025-08-26", "data_url": "