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

GET /api/v2/event-versions/GW230707_124047-v2/parameters?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "next": null,
    "previous": null,
    "results_count": 8,
    "results_per_page": 20,
    "num_pages": 1,
    "page_number": 1,
    "results": [
        {
            "name": "GWTC-4.1_CWB_GW230707_124047",
            "description": "na",
            "date_added": "2026-05-20",
            "data_url": "",
            "pipeline": "CWB",
            "pipeline_type": "search",
            "waveform_family": "na",
            "is_preferred": false,
            "links": [],
            "parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 0.0011,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 4
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 11.9,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.99,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": true,
                    "decimal_places": 2
                }
            ]
        },
        {
            "name": "GWTC-4.1_gstlal_GW230707_124047",
            "description": "na",
            "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": 0.0026,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 4
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 10.1,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.99,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": true,
                    "decimal_places": 2
                }
            ]
        },
        {
            "name": "GWTC-4.1_GW230707_124047_C00:IMRPhenomXPHM-SpinTaylor_OO1_PE",
            "description": "na",
            "date_added": "2026-05-20",
            "data_url": "https://zenodo.org/api/records/20275769/files/IGWN-GWTC4p1-18965dda8_5-GW230707_124047-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-4.1_GW230707_124047_C00:IMRPhenomXPHM-SpinTaylor_OO1_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": -0.04,
                    "upper_error": 0.26,
                    "lower_error": -0.28,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 34.9,
                    "upper_error": 8.7,
                    "lower_error": -5.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 78.0,
                    "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": 4500.0,
                    "upper_error": 2300.0,
                    "lower_error": -2300.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 46.3,
                    "upper_error": 12.2,
                    "lower_error": -8.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 36.0,
                    "upper_error": 10.7,
                    "lower_error": -9.9,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.72,
                    "upper_error": 0.29,
                    "lower_error": -0.32,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 82.0,
                    "upper_error": 20.0,
                    "lower_error": -11.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                }
            ]
        },
        {
            "name": "GWTC-4.1_GW230707_124047_C00:Mixed_OO2_PE",
            "description": "na",
            "date_added": "2026-05-20",
            "data_url": "https://zenodo.org/api/records/20275769/files/IGWN-GWTC4p1-18965dda8_5-GW230707_124047-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-4.1_GW230707_124047_C00:Mixed_OO2_PE",
            "pipeline_type": "pe",
            "waveform_family": "C00:Mixed",
            "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": -0.05,
                    "upper_error": 0.25,
                    "lower_error": -0.28,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 35.1,
                    "upper_error": 8.6,
                    "lower_error": -5.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 78.0,
                    "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": 4400.0,
                    "upper_error": 2400.0,
                    "lower_error": -2300.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 46.1,
                    "upper_error": 12.2,
                    "lower_error": -8.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 36.3,
                    "upper_error": 10.6,
                    "lower_error": -9.6,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.71,
                    "upper_error": 0.29,
                    "lower_error": -0.32,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 82.0,
                    "upper_error": 20.0,
                    "lower_error": -12.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                }
            ]
        },
        {
            "name": "GWTC-4.1_GW230707_124047_C00:NRSur7dq4_OO3_PE",
            "description": "na",
            "date_added": "2026-05-20",
            "data_url": "https://zenodo.org/api/records/20275769/files/IGWN-GWTC4p1-18965dda8_5-GW230707_124047-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-4.1_GW230707_124047_C00:NRSur7dq4_OO3_PE",
            "pipeline_type": "pe",
            "waveform_family": "C00:NRSur7dq4",
            "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": -0.06,
                    "upper_error": 0.24,
                    "lower_error": -0.29,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 35.0,
                    "upper_error": 8.6,
                    "lower_error": -5.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 78.0,
                    "upper_error": 18.0,
                    "lower_error": -11.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 4500.0,
                    "upper_error": 2400.0,
                    "lower_error": -2300.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 45.8,
                    "upper_error": 12.1,
                    "lower_error": -8.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 36.3,
                    "upper_error": 10.6,
                    "lower_error": -9.5,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.71,
                    "upper_error": 0.3,
                    "lower_error": -0.32,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 82.0,
                    "upper_error": 19.0,
                    "lower_error": -12.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                }
            ]
        },
        {
            "name": "GWTC-4.1_GW230707_124047_C00:SEOBNRv5PHM_OO4_PE",
            "description": "na",
            "date_added": "2026-05-20",
            "data_url": "https://zenodo.org/api/records/20275769/files/IGWN-GWTC4p1-18965dda8_5-GW230707_124047-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-4.1_GW230707_124047_C00:SEOBNRv5PHM_OO4_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": -0.06,
                    "upper_error": 0.25,
                    "lower_error": -0.29,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 35.5,
                    "upper_error": 8.5,
                    "lower_error": -5.4,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 79.0,
                    "upper_error": 18.0,
                    "lower_error": -11.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 4300.0,
                    "upper_error": 2400.0,
                    "lower_error": -2300.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 46.3,
                    "upper_error": 12.3,
                    "lower_error": -8.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 36.7,
                    "upper_error": 10.6,
                    "lower_error": -9.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.69,
                    "upper_error": 0.29,
                    "lower_error": -0.32,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 83.0,
                    "upper_error": 19.0,
                    "lower_error": -12.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                }
            ]
        },
        {
            "name": "GWTC-4.1_MBTA_GW230707_124047",
            "description": "na",
            "date_added": "2026-05-20",
            "data_url": "",
            "pipeline": "MBTA",
            "pipeline_type": "search",
            "waveform_family": "na",
            "is_preferred": false,
            "links": [],
            "parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 0.072,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 3
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 10.3,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.99,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                }
            ]
        },
        {
            "name": "GWTC-4.1_pycbc_GW230707_124047",
            "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": 0.00042,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 5
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 10.5,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.99,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": true,
                    "decimal_places": 2
                }
            ]
        }
    ]
}