Event Version Parameter List
Return the full list of all parameter estimations from all pipelines for an event version.
GET /api/v2/event-versions/GW250109_074552-v1/parameters?format=api
{ "next": null, "previous": null, "results_count": 7, "results_per_page": 20, "num_pages": 1, "page_number": 1, "results": [ { "name": "GWTC-5.0_gstlal_GW250109_074552", "description": "na", "date_added": "2026-05-22", "data_url": "", "pipeline": "gstlal", "pipeline_type": "search", "waveform_family": "na", "is_preferred": false, "links": [], "parameters": [ { "name": "far", "unit": "1/yr", "description": "na", "best": 0.42, "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": 10.7, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.95, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GWTC-5.0_GW250109_074552_C00:IMRPhenomXPHM-SpinTaylor_OO1_PE", "description": "na", "date_added": "2026-05-22", "data_url": "https://zenodo.org/api/records/20348006/files/IGWN-GWTC5p0-29ebe06b7_25-GW250109_074552-combined_PEDataRelease.hdf5/content", "pipeline": "GWTC-5.0_GW250109_074552_C00:IMRPhenomXPHM-SpinTaylor_OO1_PE", "pipeline_type": "pe", "waveform_family": "C00:IMRPhenomXPHM-SpinTaylor", "is_preferred": true, "links": [ { "url": "https://doi.org/10.5281/zenodo.20348006", "label": "na", "description": "Zenodo record for additional PE data products" } ], "parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 29.6, "upper_error": 4.7, "lower_error": -3.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.07, "upper_error": 0.2, "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": 65.9, "upper_error": 9.8, "lower_error": -8.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 2300.0, "upper_error": 1400.0, "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": 39.0, "upper_error": 8.3, "lower_error": -6.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 30.2, "upper_error": 6.8, "lower_error": -7.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.41, "upper_error": 0.2, "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": 69.2, "upper_error": 10.5, "lower_error": -8.6, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 } ] }, { "name": "GWTC-5.0_GW250109_074552_C00:IMRPhenomXPNR_OO2_PE", "description": "na", "date_added": "2026-05-22", "data_url": "https://zenodo.org/api/records/20348006/files/IGWN-GWTC5p0-29ebe06b7_25-GW250109_074552-combined_PEDataRelease.hdf5/content", "pipeline": "GWTC-5.0_GW250109_074552_C00:IMRPhenomXPNR_OO2_PE", "pipeline_type": "pe", "waveform_family": "C00:IMRPhenomXPNR", "is_preferred": false, "links": [ { "url": "https://doi.org/10.5281/zenodo.20348006", "label": "na", "description": "Zenodo record for additional PE data products" } ], "parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 29.3, "upper_error": 4.5, "lower_error": -3.7, "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": -0.2, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 65.3, "upper_error": 9.4, "lower_error": -7.9, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 2300.0, "upper_error": 1300.0, "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": 38.7, "upper_error": 8.2, "lower_error": -6.4, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 29.9, "upper_error": 6.7, "lower_error": -7.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.41, "upper_error": 0.19, "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": 68.5, "upper_error": 10.0, "lower_error": -8.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 } ] }, { "name": "GWTC-5.0_GW250109_074552_C00:NRSur7dq4_OO3_PE", "description": "na", "date_added": "2026-05-22", "data_url": "https://zenodo.org/api/records/20348006/files/IGWN-GWTC5p0-29ebe06b7_25-GW250109_074552-combined_PEDataRelease.hdf5/content", "pipeline": "GWTC-5.0_GW250109_074552_C00:NRSur7dq4_OO3_PE", "pipeline_type": "pe", "waveform_family": "C00:NRSur7dq4", "is_preferred": false, "links": [ { "url": "https://doi.org/10.5281/zenodo.20348006", "label": "na", "description": "Zenodo record for additional PE data products" } ], "parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 29.5, "upper_error": 4.7, "lower_error": -3.8, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.06, "upper_error": 0.2, "lower_error": -0.19, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "final_mass_source", "unit": "M_sun", "description": "na", "best": 65.4, "upper_error": 9.7, "lower_error": -8.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 2300.0, "upper_error": 1400.0, "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": 38.7, "upper_error": 8.4, "lower_error": -6.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 30.2, "upper_error": 6.6, "lower_error": -7.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.41, "upper_error": 0.19, "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": 68.8, "upper_error": 10.4, "lower_error": -8.5, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 } ] }, { "name": "GWTC-5.0_GW250109_074552_C00:SEOBNRv5PHM_OO4_PE", "description": "na", "date_added": "2026-05-22", "data_url": "https://zenodo.org/api/records/20348006/files/IGWN-GWTC5p0-29ebe06b7_25-GW250109_074552-combined_PEDataRelease.hdf5/content", "pipeline": "GWTC-5.0_GW250109_074552_C00:SEOBNRv5PHM_OO4_PE", "pipeline_type": "pe", "waveform_family": "C00:SEOBNRv5PHM", "is_preferred": false, "links": [ { "url": "https://doi.org/10.5281/zenodo.20348006", "label": "na", "description": "Zenodo record for additional PE data products" } ], "parameters": [ { "name": "chirp_mass_source", "unit": "M_sun", "description": "na", "best": 28.8, "upper_error": 4.8, "lower_error": -3.6, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "chi_eff", "unit": "", "description": "na", "best": 0.05, "upper_error": 0.21, "lower_error": -0.21, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "luminosity_distance", "unit": "Mpc", "description": "na", "best": 2500.0, "upper_error": 1400.0, "lower_error": -1200.0, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 0 }, { "name": "mass_1_source", "unit": "M_sun", "description": "na", "best": 38.1, "upper_error": 8.6, "lower_error": -6.3, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "mass_2_source", "unit": "M_sun", "description": "na", "best": 29.4, "upper_error": 6.7, "lower_error": -6.9, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "redshift", "unit": "", "description": "na", "best": 0.44, "upper_error": 0.19, "lower_error": -0.19, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 }, { "name": "total_mass_source", "unit": "M_sun", "description": "na", "best": 67.4, "upper_error": 10.8, "lower_error": -8.1, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 } ] }, { "name": "GWTC-5.0_MBTA_GW250109_074552", "description": "na", "date_added": "2026-05-22", "data_url": "", "pipeline": "MBTA", "pipeline_type": "search", "waveform_family": "na", "is_preferred": false, "links": [], "parameters": [ { "name": "far", "unit": "1/yr", "description": "na", "best": 2.0, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "network_matched_filter_snr", "unit": "", "description": "na", "best": 10.0, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.78, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] }, { "name": "GWTC-5.0_pycbc_GW250109_074552", "description": "na", "date_added": "2026-05-22", "data_url": "", "pipeline": "pycbc", "pipeline_type": "search", "waveform_family": "na", "is_preferred": false, "links": [], "parameters": [ { "name": "far", "unit": "1/yr", "description": "na", "best": 140.0, "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": 9.6, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 1 }, { "name": "p_astro", "unit": "", "description": "na", "best": 0.02, "upper_error": null, "lower_error": null, "is_upper_limit": false, "is_lower_limit": false, "decimal_places": 2 } ] } ] }