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

GET /api/v2/event-versions/GW240420_175625-v1/parameters?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "next": null,
    "previous": null,
    "results_count": 6,
    "results_per_page": 20,
    "num_pages": 1,
    "page_number": 1,
    "results": [
        {
            "name": "GWTC-5.0_gstlal_GW240420_175625",
            "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": 350.0,
                    "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": 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": 0.02,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                }
            ]
        },
        {
            "name": "GWTC-5.0_GW240420_175625_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-GW240420_175625-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-5.0_GW240420_175625_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": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 24.7,
                    "upper_error": 4.6,
                    "lower_error": -3.8,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 56.0,
                    "upper_error": 9.8,
                    "lower_error": -8.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 2000.0,
                    "upper_error": 1600.0,
                    "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": 34.6,
                    "upper_error": 10.0,
                    "lower_error": -7.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 23.8,
                    "upper_error": 7.2,
                    "lower_error": -7.1,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.37,
                    "upper_error": 0.22,
                    "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": 58.6,
                    "upper_error": 10.3,
                    "lower_error": -8.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GWTC-5.0_GW240420_175625_C00:IMRPhenomXPNR_OO2_PE",
            "description": "na",
            "date_added": "2026-05-22",
            "data_url": "https://zenodo.org/api/records/20348005/files/IGWN-GWTC5p0-29ebe06b7_25-GW240420_175625-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-5.0_GW240420_175625_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": -0.02,
                    "upper_error": 0.23,
                    "lower_error": -0.25,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 24.6,
                    "upper_error": 4.5,
                    "lower_error": -3.6,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 56.0,
                    "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": 2000.0,
                    "upper_error": 1500.0,
                    "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": 34.4,
                    "upper_error": 10.3,
                    "lower_error": -7.1,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 23.9,
                    "upper_error": 7.0,
                    "lower_error": -7.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.37,
                    "upper_error": 0.22,
                    "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": 58.5,
                    "upper_error": 10.4,
                    "lower_error": -8.5,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GWTC-5.0_GW240420_175625_C00:NRSur7dq4_OO3_PE",
            "description": "na",
            "date_added": "2026-05-22",
            "data_url": "https://zenodo.org/api/records/20348005/files/IGWN-GWTC5p0-29ebe06b7_25-GW240420_175625-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-5.0_GW240420_175625_C00:NRSur7dq4_OO3_PE",
            "pipeline_type": "pe",
            "waveform_family": "C00:NRSur7dq4",
            "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": -0.01,
                    "upper_error": 0.23,
                    "lower_error": -0.23,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 24.7,
                    "upper_error": 4.7,
                    "lower_error": -3.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 56.2,
                    "upper_error": 10.0,
                    "lower_error": -8.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 2000.0,
                    "upper_error": 1500.0,
                    "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": 34.6,
                    "upper_error": 10.2,
                    "lower_error": -7.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 23.9,
                    "upper_error": 7.2,
                    "lower_error": -6.8,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.36,
                    "upper_error": 0.22,
                    "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": 58.8,
                    "upper_error": 10.6,
                    "lower_error": -8.6,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GWTC-5.0_GW240420_175625_C00:SEOBNRv5PHM_OO4_PE",
            "description": "na",
            "date_added": "2026-05-22",
            "data_url": "https://zenodo.org/api/records/20348005/files/IGWN-GWTC5p0-29ebe06b7_25-GW240420_175625-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-5.0_GW240420_175625_C00:SEOBNRv5PHM_OO4_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": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 24.5,
                    "upper_error": 4.7,
                    "lower_error": -3.6,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 2100.0,
                    "upper_error": 1600.0,
                    "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": 34.3,
                    "upper_error": 10.4,
                    "lower_error": -7.3,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 23.6,
                    "upper_error": 7.1,
                    "lower_error": -6.8,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.38,
                    "upper_error": 0.23,
                    "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": 58.1,
                    "upper_error": 10.7,
                    "lower_error": -8.6,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GWTC-5.0_pycbc_GW240420_175625",
            "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": 0.078,
                    "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": 9.9,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.98,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                }
            ]
        }
    ]
}