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

GET /api/v2/event-versions/GW240921_201835-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,
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    "results": [
        {
            "name": "GWTC-5.0_gstlal_GW240921_201835",
            "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": 0.00014,
                    "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": 11.0,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.99,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": true,
                    "decimal_places": 2
                }
            ]
        },
        {
            "name": "GWTC-5.0_GW240921_201835_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-GW240921_201835-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-5.0_GW240921_201835_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": 15.62,
                    "upper_error": 0.76,
                    "lower_error": -1.52,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 43.7,
                    "upper_error": 7.6,
                    "lower_error": -7.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 920.0,
                    "upper_error": 760.0,
                    "lower_error": -300.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 34.9,
                    "upper_error": 8.9,
                    "lower_error": -9.4,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 9.8,
                    "upper_error": 3.0,
                    "lower_error": -1.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.18,
                    "upper_error": 0.13,
                    "lower_error": -0.06,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 44.8,
                    "upper_error": 7.5,
                    "lower_error": -7.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GWTC-5.0_GW240921_201835_C00:IMRPhenomXPNR_OO2_PE",
            "description": "na",
            "date_added": "2026-05-22",
            "data_url": "https://zenodo.org/api/records/20348005/files/IGWN-GWTC5p0-29ebe06b7_25-GW240921_201835-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-5.0_GW240921_201835_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": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 15.53,
                    "upper_error": 0.8,
                    "lower_error": -1.53,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "final_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 43.4,
                    "upper_error": 7.8,
                    "lower_error": -7.1,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 940.0,
                    "upper_error": 790.0,
                    "lower_error": -320.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 34.7,
                    "upper_error": 9.1,
                    "lower_error": -9.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 9.8,
                    "upper_error": 3.1,
                    "lower_error": -1.8,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.19,
                    "upper_error": 0.13,
                    "lower_error": -0.06,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 44.5,
                    "upper_error": 7.6,
                    "lower_error": -7.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GWTC-5.0_GW240921_201835_C00:SEOBNRv5PHM_OO3_PE",
            "description": "na",
            "date_added": "2026-05-22",
            "data_url": "https://zenodo.org/api/records/20348005/files/IGWN-GWTC5p0-29ebe06b7_25-GW240921_201835-combined_PEDataRelease.hdf5/content",
            "pipeline": "GWTC-5.0_GW240921_201835_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": "chirp_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 15.39,
                    "upper_error": 0.9,
                    "lower_error": -1.61,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "luminosity_distance",
                    "unit": "Mpc",
                    "description": "na",
                    "best": 1010.0,
                    "upper_error": 870.0,
                    "lower_error": -360.0,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 0
                },
                {
                    "name": "mass_1_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 34.1,
                    "upper_error": 8.6,
                    "lower_error": -10.2,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "mass_2_source",
                    "unit": "M_sun",
                    "description": "na",
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                    "upper_error": 3.4,
                    "lower_error": -1.7,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
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                },
                {
                    "name": "redshift",
                    "unit": "",
                    "description": "na",
                    "best": 0.2,
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                    "lower_error": -0.07,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 2
                },
                {
                    "name": "total_mass_source",
                    "unit": "M_sun",
                    "description": "na",
                    "best": 43.9,
                    "upper_error": 7.3,
                    "lower_error": -7.4,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                }
            ]
        },
        {
            "name": "GWTC-5.0_MBTA_GW240921_201835",
            "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": 1e-05,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": true,
                    "is_lower_limit": false,
                    "decimal_places": 6
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
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                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false,
                    "decimal_places": 1
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
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                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": true,
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                }
            ]
        },
        {
            "name": "GWTC-5.0_pycbc_GW240921_201835",
            "description": "na",
            "date_added": "2026-05-22",
            "data_url": "",
            "pipeline": "pycbc",
            "pipeline_type": "search",
            "waveform_family": "na",
            "is_preferred": false,
            "links": [],
            "parameters": [
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                    "name": "far",
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                    "description": "na",
                    "best": 0.18999999999999997,
                    "upper_error": null,
                    "lower_error": null,
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                },
                {
                    "name": "network_matched_filter_snr",
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                    "description": "na",
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                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
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                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
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                    "lower_error": null,
                    "is_upper_limit": false,
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            ]
        }
    ]
}