Return the full list of all parameter estimations from all pipelines for an event version.

GET /api/v2/event-versions/GW240526_093944-v1/parameters?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "next": null,
    "previous": null,
    "results_count": 4,
    "results_per_page": 20,
    "num_pages": 1,
    "page_number": 1,
    "results": [
        {
            "name": "GWTC-5.0_GW240526_093944_C00:IMRPhenomXPHM-SpinTaylor_OO1_PE",
            "description": "na",
            "date_added": "2026-05-22",
            "data_url": "https://zenodo.org/api/records/20348005/files/IGWN-GWTC5p0-29ebe06b7_25-GW240526_093944-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-5.0_GW240526_093944_C00:IMRPhenomXPHM-SpinTaylor_OO1_PE",
            "pipeline_type": "pe",
            "waveform_family": "C00:IMRPhenomXPHM-SpinTaylor",
            "is_preferred": true,
            "links": [
                {
                    "url": "https://doi.org/10.5281/zenodo.20348005",
                    "label": "na",
                    "description": "Zenodo record for additional PE data products"
                }
            ],
            "parameters": [
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": 0.22,
                    "upper_error": 0.14,
                    "lower_error": -0.12,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 9.5,
                    "upper_error": 1.3,
                    "lower_error": -1.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 22.1,
                    "upper_error": 4.4,
                    "lower_error": -3.1,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 1940.0,
                    "upper_error": 1100.0,
                    "lower_error": -940.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 14.5,
                    "upper_error": 6.1,
                    "lower_error": -3.6,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 8.4,
                    "upper_error": 2.5,
                    "lower_error": -2.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.35,
                    "upper_error": 0.16,
                    "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": 23.2,
                    "upper_error": 4.3,
                    "lower_error": -3.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GWTC-5.0_GW240526_093944_C00:IMRPhenomXPNR_OO2_PE",
            "description": "na",
            "date_added": "2026-05-22",
            "data_url": "https://zenodo.org/api/records/20348005/files/IGWN-GWTC5p0-29ebe06b7_25-GW240526_093944-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-5.0_GW240526_093944_C00:IMRPhenomXPNR_OO2_PE",
            "pipeline_type": "pe",
            "waveform_family": "C00:IMRPhenomXPNR",
            "is_preferred": false,
            "links": [
                {
                    "url": "https://doi.org/10.5281/zenodo.20348005",
                    "label": "na",
                    "description": "Zenodo record for additional PE data products"
                }
            ],
            "parameters": [
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": 0.19,
                    "upper_error": 0.13,
                    "lower_error": -0.12,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 9.5,
                    "upper_error": 1.2,
                    "lower_error": -1.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 22.1,
                    "upper_error": 4.0,
                    "lower_error": -3.1,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 1880.0,
                    "upper_error": 1100.0,
                    "lower_error": -910.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 14.5,
                    "upper_error": 5.6,
                    "lower_error": -3.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 8.4,
                    "upper_error": 2.5,
                    "lower_error": -2.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.34,
                    "upper_error": 0.16,
                    "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": 23.2,
                    "upper_error": 4.0,
                    "lower_error": -3.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GWTC-5.0_GW240526_093944_C00:SEOBNRv5PHM_OO3_PE",
            "description": "na",
            "date_added": "2026-05-22",
            "data_url": "https://zenodo.org/api/records/20348005/files/IGWN-GWTC5p0-29ebe06b7_25-GW240526_093944-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-5.0_GW240526_093944_C00:SEOBNRv5PHM_OO3_PE",
            "pipeline_type": "pe",
            "waveform_family": "C00:SEOBNRv5PHM",
            "is_preferred": false,
            "links": [
                {
                    "url": "https://doi.org/10.5281/zenodo.20348005",
                    "label": "na",
                    "description": "Zenodo record for additional PE data products"
                }
            ],
            "parameters": [
                {
                    "name": "chi_eff",
                    "unit": "",
                    "description": "na",
                    "best": 0.19,
                    "upper_error": 0.13,
                    "lower_error": -0.12,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 9.4,
                    "upper_error": 1.2,
                    "lower_error": -1.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 2010.0,
                    "upper_error": 1130.0,
                    "lower_error": -950.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 13.7,
                    "upper_error": 5.4,
                    "lower_error": -3.1,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 8.7,
                    "upper_error": 2.3,
                    "lower_error": -2.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.36,
                    "upper_error": 0.17,
                    "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": 22.6,
                    "upper_error": 3.8,
                    "lower_error": -2.9,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GWTC-5.0_MBTA_GW240526_093944",
            "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": 0.14,
                    "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": 9.7,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.97,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                }
            ]
        }
    ]
}