{
  "Spase": {
    "xmlns": "http://www.spase-group.org/data/schema",
    "xmlns:xsi": "http://www.w3.org/2001/XMLSchema-instance",
    "xsi:schemaLocation": "https://www.spase-group.org/data/schema https://www.spase-group.org/data/schema/spase-2.7.1.xsd",
    "Version": "2.7.1",
    "MetadataRightsList": {
      "Rights": {
        "SchemeURI": "https://spdx.org/licenses/",
        "RightsIdentifierScheme": "SPDX",
        "RightsIdentifier": "CC0-1.0",
        "RightsURI": "https://spdx.org/licenses/CC0-1.0.html",
        "RightsName": "Creative Commons Zero v1.0 Universal",
        "Note": "CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions"
      }
    },
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/STEREO-A/IMPACT/SWEA/PAD/L2/PT30S",
      "NamingAuthority": "NASA",
      "ResourceType": "NumericalData",
      "ResourceHeader": {
        "ResourceName": "STEREO-A In-Situ Measurements of Particles and CME Transients (IMPACT) Solar Wind Electron Analyzer (SWEA) Pitch Angle Distribution, Level 2 (L2), 30 s Data in CDF format",
        "DOI": "https://doi.org/10.48322/2y16-0t29",
        "ReleaseDate": "2025-12-04T13:31:33Z",
        "RevisionHistory": {
          "RevisionEvent": [
            {
              "ReleaseDate": "2024-06-13T00:00:00",
              "Note": "Metadata created by ADAPT code (LFB), final editing and DOI minting by AK"
            },
            {
              "ReleaseDate": "2024-07-02T00:00:00",
              "Note": "Added publication info and additional contacts; changed resource name to add \"in CDF format\" TLK"
            },
            {
              "ReleaseDate": "2025-10-03T10:49:12Z",
              "Note": "Updated PublishedBy name to match ROR Registry. Added ResourceType and NamingAuthority. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to updated value in Version tag. ZCB"
            },
            {
              "ReleaseDate": "2025-12-04T13:31:33Z",
              "Note": "Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB"
            }
          ]
        },
        "Description": "STEREO-A In-Situ Measurements of Particles and CME Transients (IMPACT) Solar Wind Electron Analyzer (SWEA) electron pitch angle distribution (PAD) in phase space density (in units of s^3/km^6) as a function of 12 pitch angle bins (centered at 7.5, 22.5, 37.5, 52.5, 67.5, 82.5, 97.5, 112.5, 127.5, 142.5, 157.5, 172.5 deg) and 10 variable energy bins (PAD values for energies < 50 eV are forced to fill values).",
        "Acknowledgement": "Please acknowledge the Principal Investigator J. Luhmann for use of the Data",
        "PublicationInfo": {
          "Authors": "Luhmann, Janet, G.; Lee, Christina; Sauvaud, Jean-Andre.C.; Lavraud, Benoit",
          "PublicationDate": "2024-01-01T00:00:00",
          "PublishedBy": "Space Physics Data Facility"
        },
        "Contact": [
          {
            "PersonID": "spase://SMWG/Person/Janet.G.Luhmann",
            "Role": "PrincipalInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/Christina.Lee",
            "Role": "PrincipalInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/Jean-Andre.C.Sauvaud",
            "Role": "CoInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/Benoit.Lavraud",
            "Role": "CoInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/Robert.M.Candey",
            "Role": "MetadataContact"
          },
          {
            "PersonID": "spase://SMWG/Person/Andriy.Koval",
            "Role": "MetadataContact"
          }
        ],
        "InformationURL": [
          {
            "Name": "STEREO IMPACT PI Site",
            "URL": "https://sprg.ssl.berkeley.edu/impact",
            "Description": "Experiment and Data descriptions for STEREO IMPACT"
          },
          {
            "Name": "IRAP SWEA Site",
            "URL": "http://stereo.irap.omp.eu",
            "Description": "SWEA Data and Plots"
          }
        ]
      },
      "AccessInformation": [
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb",
          "Availability": "Online",
          "AccessRights": "Open",
          "RightsList": {
            "Rights": {
              "SchemeURI": "https://spdx.org/licenses/",
              "RightsIdentifierScheme": "SPDX",
              "RightsIdentifier": "CC0-1.0",
              "RightsURI": "https://spdx.org/licenses/CC0-1.0.html",
              "RightsName": "Creative Commons Zero v1.0 Universal",
              "Note": "CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products"
            }
          },
          "AccessURL": [
            {
              "Name": "FTPS from SPDF (not with most browsers)",
              "URL": "ftps://spdf.gsfc.nasa.gov/pub/data/stereo/ahead/l2/impact/swea/pad/",
              "Description": "Access to Data in CDF Format via ftps from SPDF"
            },
            {
              "Name": "HTTPS from SPDF",
              "URL": "https://spdf.gsfc.nasa.gov/pub/data/stereo/ahead/l2/impact/swea/pad/",
              "Description": "Access to Data in CDF Format via https from SPDF"
            },
            {
              "Name": "CDAWeb",
              "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=STA_L2_SWEA_PAD&index=sp_phys",
              "ProductKey": "STA_L2_SWEA_PAD",
              "Description": "Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb"
            }
          ],
          "Format": "CDF",
          "Encoding": "None",
          "Acknowledgement": "Please acknowledge the Principal Investigator J. Luhmann. Please acknowledge the Data Providers and CDAWeb when using these Data."
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb",
          "Availability": "Online",
          "AccessRights": "Open",
          "RightsList": {
            "Rights": {
              "SchemeURI": "https://spdx.org/licenses/",
              "RightsIdentifierScheme": "SPDX",
              "RightsIdentifier": "CC0-1.0",
              "RightsURI": "https://spdx.org/licenses/CC0-1.0.html",
              "RightsName": "Creative Commons Zero v1.0 Universal",
              "Note": "CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products"
            }
          },
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://cdaweb.gsfc.nasa.gov/hapi",
            "Style": "HAPI",
            "ProductKey": "STA_L2_SWEA_PAD",
            "Description": "Web Service to this product using the HAPI interface."
          },
          "Format": "CSV"
        }
      ],
      "ProcessingLevel": "Calibrated",
      "ProviderProcessingLevel": "Level 2",
      "InstrumentID": "spase://SMWG/Instrument/STEREO-A/IMPACT/SWEA",
      "MeasurementType": "ThermalPlasma",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "2006-10-31T00:00:39",
          "RelativeStopDate": "-P4M"
        },
        "Cadence": "PT30S"
      },
      "ObservedRegion": "Heliosphere.Remote1AU",
      "Parameter": [
        {
          "Name": "Epoch",
          "ParameterKey": "Epoch",
          "Description": "Time since 0 AD",
          "Caveats": "Interval-centered time tag",
          "Units": "ms",
          "UnitsConversion": "1.0e-3>s",
          "RenderingHints": {
            "AxisLabel": "Epoch"
          },
          "ValidMin": "01-Jan-1990 00:00:00.000",
          "ValidMax": "01-Jan-2099 00:00:00.000",
          "FillValue": "31-Dec-9999 23:59:59.999",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Half_interval",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "Half_interval",
          "Description": "Acquisition period half interval",
          "Cadence": "PT30S",
          "Units": "s",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Half interval",
            "ValueFormat": "F4.2"
          },
          "ValidMin": "0.0",
          "ValidMax": "60.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "quality_index_0",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "quality_index_0",
          "Description": "B field INSIDE(0) or OUTSIDE(1) instrument field-of-view",
          "Cadence": "PT30S",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "quality index 0",
            "ValueFormat": "I1"
          },
          "ValidMin": "0",
          "ValidMax": "1",
          "FillValue": "255",
          "Support": {
            "SupportQuantity": "DataQuality"
          }
        },
        {
          "Name": "quality_index_1",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "quality_index_1",
          "Description": "PA distributions corrected(0) or NOT corrected(1) for ion bulk",
          "Cadence": "PT30S",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "quality index 1",
            "ValueFormat": "I1"
          },
          "ValidMin": "0",
          "ValidMax": "1",
          "FillValue": "255",
          "Support": {
            "SupportQuantity": "DataQuality"
          }
        },
        {
          "Name": "Energy",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "Energy",
          "Description": "Energy bins (plotted with error bars)",
          "Cadence": "PT30S",
          "Units": "eV",
          "UnitsConversion": "1.602176565e-19>J",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "ValueFormat": "F7.2"
          },
          "Structure": {
            "Size": "16",
            "Element": [
              {
                "Name": "Energy00",
                "Index": "1"
              },
              {
                "Name": "Energy01",
                "Index": "2"
              },
              {
                "Name": "Energy02",
                "Index": "3"
              },
              {
                "Name": "Energy03",
                "Index": "4"
              },
              {
                "Name": "Energy04",
                "Index": "5"
              },
              {
                "Name": "Energy05",
                "Index": "6"
              },
              {
                "Name": "Energy06",
                "Index": "7"
              },
              {
                "Name": "Energy07",
                "Index": "8"
              },
              {
                "Name": "Energy08",
                "Index": "9"
              },
              {
                "Name": "Energy09",
                "Index": "10"
              },
              {
                "Name": "Energy10",
                "Index": "11"
              },
              {
                "Name": "Energy11",
                "Index": "12"
              },
              {
                "Name": "Energy12",
                "Index": "13"
              },
              {
                "Name": "Energy13",
                "Index": "14"
              },
              {
                "Name": "Energy14",
                "Index": "15"
              },
              {
                "Name": "Energy15",
                "Index": "16"
              }
            ]
          },
          "ValidMin": "0.0",
          "ValidMax": "30000.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "Qualifier": "Array",
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "delta_p_Energy",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "delta_p_Energy",
          "Description": "Delta plus energy bins",
          "Cadence": "PT30S",
          "Units": "eV",
          "UnitsConversion": "1.602176565e-19>J",
          "RenderingHints": {
            "AxisLabel": "delta p Energy",
            "ValueFormat": "F7.2"
          },
          "Structure": {
            "Size": "16"
          },
          "ValidMin": "0.0",
          "ValidMax": "5000.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "delta_m_Energy",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "delta_m_Energy",
          "Description": "Delta minus energy bins",
          "Cadence": "PT30S",
          "Units": "eV",
          "UnitsConversion": "1.602176565e-19>J",
          "RenderingHints": {
            "AxisLabel": "delta m Energy",
            "ValueFormat": "F7.2"
          },
          "Structure": {
            "Size": "16"
          },
          "ValidMin": "0.0",
          "ValidMax": "5000.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "Pitchangle",
          "ParameterKey": "Pitchangle",
          "Description": "Center of pitch angle bins",
          "Units": "°",
          "RenderingHints": {
            "AxisLabel": "Pitch angle",
            "ValueFormat": "F5.1",
            "ScaleType": "LinearScale"
          },
          "Structure": {
            "Size": "12"
          },
          "ValidMin": "0.0",
          "ValidMax": "180.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "Qualifier": "Array",
            "SupportQuantity": "Orientation"
          }
        },
        {
          "Name": "delta_Pitchangle",
          "ParameterKey": "delta_Pitchangle",
          "Description": "Delta pitch angle bins",
          "Units": "°",
          "RenderingHints": {
            "AxisLabel": "delta Pitchangle",
            "ValueFormat": "F5.1"
          },
          "ValidMin": "0.0",
          "ValidMax": "180.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "Orientation"
          }
        },
        {
          "Name": "pad",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "pad",
          "Description": "Electron pitch angle distribution in Phase Space Density (@ energies 1-10). Column 1 Labels from PITCHANGLE: [\"7.50 deg\",\"22.50 deg\",\"37.50 deg\",\"52.50 deg\",\"67.50 deg\",\"82.50 deg\",\"97.50 deg\",\"112.50 deg\",\"127.50 deg\",\"142.50 deg\",\"157.50 deg\",\"172.50 deg\"]. Column 2 Labels from ENERGY: [\"PAD @ energy00\",\"PAD @ energy01\",\"PAD @ energy02\",\"PAD @ energy03\",\"PAD @ energy04\",\"PAD @ energy05\",\"PAD @ energy06\",\"PAD @ energy07\",\"PAD @ energy08\",\"PAD @ energy09\",\"PAD @ energy10\",\"PAD @ energy11\",\"PAD @ energy12\",\"PAD @ energy13\",\"PAD @ energy14\",\"PAD @ energy15\"].",
          "Caveats": "values for energies < 50 eV have been forced to FILLVAL",
          "Cadence": "PT30S",
          "Units": "s^3/km^6",
          "UnitsConversion": "1.0e-18>s^3/m^6",
          "RenderingHints": {
            "DisplayType": "Spectrogram",
            "AxisLabel": "pad",
            "ValueFormat": "E12.2",
            "ScaleType": "LogScale"
          },
          "Structure": {
            "Size": "12 16"
          },
          "FillValue": "-1.0e+31",
          "Particle": {
            "ParticleType": "Electron",
            "Qualifier": "Array",
            "ParticleQuantity": "PhaseSpaceDensity"
          }
        }
      ]
    }
  }
}