{
  "Spase": {
    "xmlns": "http://www.spase-group.org/data/schema",
    "xmlns:xsi": "http://www.w3.org/2001/XMLSchema-instance",
    "xsi:schemaLocation": "http://www.spase-group.org/data/schema http://www.spase-group.org/data/schema/spase-2_6_1.xsd",
    "_Note": "Nodes prefixed with a _ are not valid SPASE, but are included for debugging. Values prefixed with a x_ are not valid SPASE but may considered for addition for completeness.",
    "Version": "2.6.1",
    "_MasterURL": "https://cdaweb.gsfc.nasa.gov/pub/software/cdawlib/0JSONS/imap_swe_l2_sci_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": null,
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "IMAP SWE Instrument Level-2 Science Data",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": "imap_swe_l2_sci",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": "The IMAP Solar Wind Electron (SWE) instrument measures the solar wind electrons in the heliosphere. SWE will contribute to our understanding of the acceleration and transport of charged particles in the heliosphere. SWE design and assembly is led by Los Alamos National Laboratory. See https://imap.princeton.edu/spacecraft/instruments/solar-wind-electron-swe for more details. ",
        "_Description": "Source: Master/CDFglobalAttributes/TEXT",
        "Acknowledgement": "Users should acknowledge the sources of data used in all publications, presentations, and reports using an appropriate DOI. Appropriate acknowledgement to institutions, personnel, and funding agencies should be given, including acknowledging the IMAP Mission Principal Investigator, Prof. David J. McComas of Princeton University (Contract #80GSFC19C0027). IMAP Rules-of-the-Road for data usage can be found in the IMAP CMAD. ",
        "_Acknowledgement": "Source: Master/CDFglobalAttributes/Acknowledgement",
        "_Rights": {
          "Name": "SPDX",
          "Description": "Creative Commons Zero v1.0 Universal",
          "URL": "https://spdx.org/licenses/CC0-1.0.html",
          "SchemeURI": "https://spdx.org/licenses/"
        },
        "InformationURL": [
          {
            "URL": "https://imap.princeton.edu/",
            "Name": "IMAP The Interstellar Mapping and Acceleration Probe",
            "Description": " ",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "URL": "https://link.springer.com/collections/djacjcecei",
            "Name": "IMAP Mission and Science Instruments Special Paper Collection",
            "Description": " ",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "URL": "https://spdf.gsfc.nasa.gov/pub/data/imap/documents/cmad/",
            "Name": "IMAP Calibration and Measurement Algorithms Document (CMAD)",
            "Description": " ",
            "_Note": "URL also in all.xml. Using master."
          }
        ]
      },
      "Caveats": "All IMAP data products are publicly released and citable for use in publications. Please consult the IMAP team publications and personnel for further details on production, processing, and usage of these data. ",
      "_Caveats": "Source: Master/CDFglobalAttributes/Rules_of_use",
      "DOI": null,
      "_DOI": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/DOI.json",
      "AccessInformation": [
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Prof. David J. McComas at Princeton University",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "HTTPS from SPDF",
            "URL": "https://cdaweb.gsfc.nasa.gov/pub/data/imap/swe/l2/sci",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "imap_swe_l2_sci_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "IMAP_SWE_L2_SCI"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Prof. David J. McComas at Princeton University",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "FTPS from SPDF",
            "URL": "ftps://cdaweb.gsfc.nasa.gov/pub/data/imap/swe/l2/sci",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "imap_swe_l2_sci_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "IMAP_SWE_L2_SCI"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Prof. David J. McComas at Princeton University",
          "Format": [
            "CDF",
            "CSV",
            "GIF",
            "NetCDF",
            "PNG",
            "PS",
            "PDF",
            "XML",
            "x_Script.IDL",
            "x_Script.Python",
            "Text.ASCII",
            "x_WAV"
          ],
          "AccessURL": {
            "Name": "CDAWeb Web Service",
            "URL": "https://cdaweb.gsfc.nasa.gov/WebServices/",
            "Style": "WebService",
            "Description": "Instructions for using web services to access this dataset an other other metadata and options for CDAWeb datasets. The ProductKey here corresponds to the query parameter 'dataset' in the tables at the AccessURL in a dataset-related request can be made.",
            "ProductKey": "IMAP_SWE_L2_SCI"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Prof. David J. McComas at Princeton University",
          "Format": [
            "CDF",
            "GIF",
            "PDF",
            "Text.ASCII",
            "x_WAV"
          ],
          "AccessURL": {
            "Name": "CDAWeb Web Service user interface",
            "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?index=sp_phys&dataset=IMAP_SWE_L2_SCI",
            "Style": "WebService",
            "ProductKey": "IMAP_SWE_L2_SCI",
            "Description": "Web service user interface for this product."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Prof. David J. McComas at Princeton University",
          "Format": [
            "x_Script.IDL",
            "x_Script.Python"
          ],
          "AccessURL": {
            "Name": "CDAWeb Python Script",
            "URL": "https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/IMAP_SWE_L2_SCI/clientLibraryExample/",
            "ProductKey": "IMAP_SWE_L2_SCI",
            "Style": "WebService",
            "Description": "Web service that generates a Python script to access this product."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/SSCWeb. Please also acknowledge the data producer: Prof. David J. McComas at Princeton University",
          "Format": [
            "HTML"
          ],
          "AccessURL": {
            "Name": "4D Orbit Viewer",
            "URL": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=IMAP_SWE_L2_SCI",
            "ProductKey": "IMAP_SWE_L2_SCI",
            "Style": "x_Visualization",
            "Description": "Web Service to this product."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Prof. David J. McComas at Princeton University",
          "Format": [
            "CSV",
            "JSON",
            "Binary"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=IMAP_SWE_L2_SCI",
            "Style": "HAPI",
            "ProductKey": "IMAP_SWE_L2_SCI",
            "Description": "Web Service to this product using the HAPI interface."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Prof. David J. McComas at Princeton University",
          "Format": [
            "x_Script.IDL",
            "x_Script.Javascript",
            "x_Script.MATLAB",
            "x_Script.Python",
            "x_Script.Autoplot",
            "x_Script.curl",
            "x_Script.wget"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Script in Multiple Languages",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=IMAP_SWE_L2_SCI&return=script",
            "Style": "HAPI",
            "ProductKey": "IMAP_SWE_L2_SCI",
            "Description": "Web Service user interface that generates scripts in IDL, Javascript, MATLAB, Python, Autoplot, curl, wget to access this product. See https://hapi-server.org/servers/api for the API."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Prof. David J. McComas at Princeton University",
          "Format": [
            "PNG",
            "PDF",
            "SVG"
          ],
          "AccessURL": {
            "Name": "HAPI visualizations",
            "URL": "https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=IMAP_SWE_L2_SCI&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": "IMAP_SWE_L2_SCI",
            "Description": "Web Service that generates plots. See https://hapi-server.org/plot/ for the API."
          }
        }
      ],
      "_AccessInformation": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/AccessInformation.json",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "2025-10-21T14:31:02Z",
          "StopDate": "2026-04-30T15:17:16Z"
        },
        "_TemporalDescription": "Generated from all.xml/@timerange_start and all.xml/@timerange_stop",
        "Cadence": "PT1M1.547873S",
        "_Cadence": "Counts based on variable 'epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/imap/swe/l2/sci/2026/imap_swe_l2_sci_20260428_v001.0004.cdf. The most common cadence, 61547872640 [ns] = PT1M1.547873S, occurred for 6.5621% of the 92 timesteps."
      },
      "Keyword": [
        "Interstellar Mapping and Acceleration Probe (from all.xml/observatory/description/@short)",
        "Solar Wind Electron (from all.xml/instrument/description/@short)",
        "Solar Physics (from Master/CDFglobalAttributes/Discipline)",
        "Heliospheric Physics (from Master/CDFglobalAttributes/Discipline)",
        "IMAP (from Master/CDFglobalAttributes/Source_name)",
        "Interstellar Mapping and Acceleration Probe (from Master/CDFglobalAttributes/Source_name)",
        "L2_SCI (from Master/CDFglobalAttributes/Data_type)",
        "Level-2 Science data (from Master/CDFglobalAttributes/Data_type)",
        "SWE (from all.xml/instrument/@ID)"
      ],
      "ObservedRegion": null,
      "_ObservedRegion": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ObservedRegion.json",
      "ProcessingLevel": null,
      "_ProcessingLevel": "Processing level is not available in the master file; it should be there instead of, say, https://github.com/rweigel/cdawmeta-spase/blob/main/ProcessingLevel.json",
      "InstrumentID": null,
      "MeasurementType": null,
      "Parameter2": [
        {
          "Name": "epoch",
          "ParameterKey": "epoch",
          "Description": "CATDESC: 'Time, number of nanoseconds since J2000 with leap seconds included'. Notes not in Master CDF: 'The units are the units in CDF files. For other web services, this variable is may be represented as a time string.'",
          "Units": "ns",
          "Support": {
            "Qualifier": "Scalar",
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Phase Space Density Spin Sector",
          "ParameterKey": "phase_space_density_spin_sector",
          "Description": "Master CDF CATDESC: 'Phase space density organized by ESA step and spin sector and CEM'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "s^3 / cm^6",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              24,
              30,
              7
            ]
          }
        },
        {
          "Name": "Flux Spin Sector",
          "ParameterKey": "flux_spin_sector",
          "Description": "Master CDF CATDESC: 'Number flux organized by ESA step and spin sector and CEM'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "1 / (eV * cm^2 * s * ster)",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              24,
              30,
              7
            ]
          }
        },
        {
          "Name": "Acquisition time by ESA step and spin sector",
          "ParameterKey": "acquisition_time",
          "Description": "Master CDF CATDESC: 'Acquisition time organized by ESA step and spin sector'. Master CDF VAR_NOTES: 'This stores the acquisition times of each measurement. This time is calculated by combining ACQ_START_COARSE, ACQ_START_FINE, acquisition duration and settle duration. It is center time of each science measurement (each energy and angle step). '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "sec",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              24,
              30
            ]
          }
        },
        {
          "Name": "Acquisition Duration",
          "ParameterKey": "acq_duration",
          "Description": "Master CDF CATDESC: 'Acquisition duration'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "microseconds",
          "FillValue": 4294967295,
          "Structure": {
            "Size": [
              24,
              30
            ]
          }
        },
        {
          "Name": "SWE data quality flags",
          "ParameterKey": "data_quality",
          "Description": "Master CDF CATDESC: 'In-flight calibration quality flags. Bit 2 (LAST_CAL_INTERVAL): set if any acquisition time in this cycle was extrapolated using the last two entries in the calibration table. '. Master CDF VAR_NOTES: 'There is 1 flag currently in use. Stored as a bitwise flag. Bit 2 (LAST_CAL_INTERVAL, value 4): counter values were extrapolated using the last two calibration table entries. All other bits are reserved. '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": " ",
          "FillValue": 255
        },
        {
          "Name": "Spin Angle Spin Sector",
          "ParameterKey": "inst_az_spin_sector",
          "Description": "Master CDF CATDESC: 'Spin angle in despun spacecraft coordinates organized by ESA step and spin sector'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "Degree",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              24,
              30
            ]
          }
        },
        {
          "Name": "Flux",
          "ParameterKey": "flux",
          "Description": "Master CDF CATDESC: 'Number flux organized by energy (eV), spin angle, CEM angle'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "1 / (eV * cm^2 * s * ster)",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              24,
              30,
              7
            ]
          }
        },
        {
          "Name": "Phase Space Density",
          "ParameterKey": "phase_space_density",
          "Description": "Master CDF CATDESC: 'Phase space density organized by energy (eV), spin angle, CEM angle'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "s^3 / cm^6",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              24,
              30,
              7
            ]
          }
        },
        {
          "Name": "Phase Space Density Stats Uncertainty",
          "ParameterKey": "psd_stat_uncert",
          "Description": "Master CDF CATDESC: 'Phase space density statistical uncertainty'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "s^3 / cm^6",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              24,
              30,
              7
            ]
          }
        },
        {
          "Name": "Flux Stats Uncertainty",
          "ParameterKey": "flux_stat_uncert",
          "Description": "Master CDF CATDESC: 'Flux statistical uncertainty'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "1 / (eV * cm^2 * s * ster)",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              24,
              30,
              7
            ]
          }
        }
      ]
    }
  }
}