{
  "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/clps-bgm1_lexi_l1c-photons_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": null,
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "Lunar Environment Heliophysics X-ray Imager (LEXI) Level 1c photon event data",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": "clps-bgm1_lexi_l1c-photons",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": "The lunar environment heliophysics X-ray imager (LEXI) mission.BM Walsh, et al., Space Sci. Rev., 2024https://doi.org/10.1007/s11214-024-01063-4",
        "_Description": "Source: Master/CDFglobalAttributes/TEXT",
        "_Rights": {
          "Name": "SPDX",
          "Description": "Creative Commons Zero v1.0 Universal",
          "URL": "https://spdx.org/licenses/CC0-1.0.html",
          "SchemeURI": "https://spdx.org/licenses/"
        }
      },
      "ProviderResourceName": "LEXI> Lunar Environment Heliospheric X-ray Imager",
      "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: B. Walsh at Boston U.",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "HTTPS from SPDF",
            "URL": "https://cdaweb.gsfc.nasa.gov/pub/data/aaa_planetary/moon/clps/bgm1-lexi/photons",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "clps-bgm1_lexi_l1c-photons_%Y%m%d%H_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "CLPS-BGM1_LEXI_L1C-PHOTONS"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: B. Walsh at Boston U.",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "FTPS from SPDF",
            "URL": "ftps://cdaweb.gsfc.nasa.gov/pub/data/aaa_planetary/moon/clps/bgm1-lexi/photons",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "clps-bgm1_lexi_l1c-photons_%Y%m%d%H_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "CLPS-BGM1_LEXI_L1C-PHOTONS"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: B. Walsh at Boston U.",
          "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": "CLPS-BGM1_LEXI_L1C-PHOTONS"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: B. Walsh at Boston U.",
          "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=CLPS-BGM1_LEXI_L1C-PHOTONS",
            "Style": "WebService",
            "ProductKey": "CLPS-BGM1_LEXI_L1C-PHOTONS",
            "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: B. Walsh at Boston U.",
          "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/CLPS-BGM1_LEXI_L1C-PHOTONS/clientLibraryExample/",
            "ProductKey": "CLPS-BGM1_LEXI_L1C-PHOTONS",
            "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: B. Walsh at Boston U.",
          "Format": [
            "HTML"
          ],
          "AccessURL": {
            "Name": "4D Orbit Viewer",
            "URL": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=CLPS-BGM1_LEXI_L1C-PHOTONS",
            "ProductKey": "CLPS-BGM1_LEXI_L1C-PHOTONS",
            "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: B. Walsh at Boston U.",
          "Format": [
            "CSV",
            "JSON",
            "Binary"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=CLPS-BGM1_LEXI_L1C-PHOTONS",
            "Style": "HAPI",
            "ProductKey": "CLPS-BGM1_LEXI_L1C-PHOTONS",
            "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: B. Walsh at Boston U.",
          "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=CLPS-BGM1_LEXI_L1C-PHOTONS&return=script",
            "Style": "HAPI",
            "ProductKey": "CLPS-BGM1_LEXI_L1C-PHOTONS",
            "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: B. Walsh at Boston U.",
          "Format": [
            "PNG",
            "PDF",
            "SVG"
          ],
          "AccessURL": {
            "Name": "HAPI visualizations",
            "URL": "https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=CLPS-BGM1_LEXI_L1C-PHOTONS&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": "CLPS-BGM1_LEXI_L1C-PHOTONS",
            "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": "2025-03-16T19:01:32Z",
          "StopDate": "2025-03-16T21:14:59Z"
        },
        "_TemporalDescription": "Generated from all.xml/@timerange_start and all.xml/@timerange_stop",
        "Cadence": "PT0.000025000S",
        "_Cadence": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/lexi/photons/2025/clps-bgm1_lexi_l1c-photons_2025031619_v01.cdf. The most common cadence, 25000 [ns] = PT0.000025000S, occurred for 17.6190% of the 273923 timesteps."
      },
      "Keyword": [
        "Blue Ghost Mission 1 (from all.xml/observatory/description/@short)",
        "Lunar Environment Heliospheric X-ray Imager (from all.xml/instrument/description/@short)",
        "Space Physics (from Master/CDFglobalAttributes/Discipline)",
        "Magnetospheric Science (from Master/CDFglobalAttributes/Discipline)",
        "BGM1 (from Master/CDFglobalAttributes/Source_name)",
        "Blue Ghost Mission 1 (from Master/CDFglobalAttributes/Source_name)",
        "L1c (from Master/CDFglobalAttributes/Data_type)",
        "Level 1c Data (from Master/CDFglobalAttributes/Data_type)",
        "LEXI (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": "Time",
          "ParameterKey": "Epoch",
          "Description": "CATDESC: 'Time, centered, in CDF Epoch'. 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": "ms",
          "Support": {
            "Qualifier": "Scalar",
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Time of spacecraft ephemeris",
          "ParameterKey": "lexi_sc_eph_epoch",
          "Description": "Master CDF CATDESC: 'Time corresponding to the spacecraft Ephemeris'. Master CDF VAR_NOTES: 'This is the time for the spacecraft ephemeris data.The extent of the ephemeris times is the same as the extent of the photon data, but the cadence of the ephemeris data is 10 minutes. One should use this variable to properly interpret other spacecraft position variables and lunar position variables as well as thje solar zenith angle.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "ms",
          "FillValue": "9999-12-31T23:59:59.999999999"
        },
        {
          "Name": "Time in Unix Epoch",
          "ParameterKey": "Unix_time",
          "Description": "Master CDF CATDESC: 'Time, centered, in Unix Epoch seconds'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "s",
          "FillValue": -1e+31
        },
        {
          "Name": "Photon position in detector coordinates, X",
          "ParameterKey": "photon_x_mcp",
          "Description": "Master CDF CATDESC: 'Photon position in detector coordinates, X, scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "cm",
          "FillValue": -1e+31
        },
        {
          "Name": "Photon position in detector coordinates, Y",
          "ParameterKey": "photon_y_mcp",
          "Description": "Master CDF CATDESC: 'Photon position in detector coordinates, Y, scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "cm",
          "FillValue": -1e+31
        },
        {
          "Name": "Right Ascension in J2000 frame",
          "ParameterKey": "photon_RA",
          "Description": "Master CDF CATDESC: 'Right Ascension angle of measured photon in J2000 frame centered on LEXI, scalar.'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "Declination in J2000 frame",
          "ParameterKey": "photon_Dec",
          "Description": "Master CDF CATDESC: 'Declination angle of measured photon in J2000 frame centered on LEXI, scalar.'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "Photon azimuth angle in the local topocentric coordinates",
          "ParameterKey": "photon_az",
          "Description": "Master CDF CATDESC: 'Azimuth angle of the measured photon in the local topocentric frame, scalar.'. Master CDF VAR_NOTES: 'The local topocentric frame is centered on LEXI and is defined with the azimuth angle measured from North, through East .'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "Photon elevation angle in the local topocentric coordinates",
          "ParameterKey": "photon_el",
          "Description": "Master CDF CATDESC: 'Elevation angle of the measured photon in the local topocentric frame, scalar.'. Master CDF VAR_NOTES: 'The local topocentric frame is centered on LEXI and is defined with the elevation angle measured positive towards zenith with 0 degrees at the local horizon.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "Counts per second",
          "ParameterKey": "lexi_counts_per_sec",
          "Description": "Master CDF CATDESC: 'Counts per second as observed by LEXI in its field of view, scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "counts/sec",
          "FillValue": -1e+31
        },
        {
          "Name": "Time of spacecraft ephemeris",
          "ParameterKey": "lexi_sc_eph_epoch",
          "Description": "CATDESC: 'Time corresponding to the spacecraft Ephemeris'. 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": "ms",
          "Support": {
            "Qualifier": "Scalar",
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "x-component of LEXI spacecraft position in GSE coordinates",
          "ParameterKey": "lexi_sc_pos_gse_x",
          "Description": "Master CDF CATDESC: 'LEXI spacecraft position in GSE coordinates, scalar'. Master CDF VAR_NOTES: 'The cadence of ephemeris data is 10 minutes. One should use lexi_sc_eph_epoch to properly interpret these values.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is lexi_sc_eph_epoch.'",
          "Units": "km",
          "FillValue": -1e+31
        },
        {
          "Name": "y-component of LEXI spacecraft position in GSE coordinates",
          "ParameterKey": "lexi_sc_pos_gse_y",
          "Description": "Master CDF CATDESC: 'LEXI spacecraft position in GSE coordinates, scalar'. Master CDF VAR_NOTES: 'The cadence of ephemeris data is 10 minutes. One should use lexi_sc_eph_epoch to properly interpret these values.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is lexi_sc_eph_epoch.'",
          "Units": "km",
          "FillValue": -1e+31
        },
        {
          "Name": "z-component of LEXI spacecraft position in GSE coordinates",
          "ParameterKey": "lexi_sc_pos_gse_z",
          "Description": "Master CDF CATDESC: 'LEXI spacecraft position in GSE coordinates, scalar'. Master CDF VAR_NOTES: 'The cadence of ephemeris data is 10 minutes. One should use lexi_sc_eph_epoch to properly interpret these values.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is lexi_sc_eph_epoch.'",
          "Units": "km",
          "FillValue": -1e+31
        },
        {
          "Name": "x-component of Moon position in GSE coordinates",
          "ParameterKey": "moon_pos_gse_x",
          "Description": "Master CDF CATDESC: 'Moon position in GSE coordinates, scalar'. Master CDF VAR_NOTES: 'The cadence of ephemeris data is 10 minutes. One should use lexi_sc_eph_epoch to properly interpret these values.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is lexi_sc_eph_epoch.'",
          "Units": "km",
          "FillValue": -1e+31
        },
        {
          "Name": "y-component of Moon position in GSE coordinates",
          "ParameterKey": "moon_pos_gse_y",
          "Description": "Master CDF CATDESC: 'Moon position in GSE coordinates, scalar'. Master CDF VAR_NOTES: 'The cadence of ephemeris data is 10 minutes. One should use lexi_sc_eph_epoch to properly interpret these values.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is lexi_sc_eph_epoch.'",
          "Units": "km",
          "FillValue": -1e+31
        },
        {
          "Name": "z-component of Moon position in GSE coordinates",
          "ParameterKey": "moon_pos_gse_z",
          "Description": "Master CDF CATDESC: 'Moon position in GSE coordinates, scalar'. Master CDF VAR_NOTES: 'The cadence of ephemeris data is 10 minutes. One should use lexi_sc_eph_epoch to properly interpret these values.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is lexi_sc_eph_epoch.'",
          "Units": "km",
          "FillValue": -1e+31
        },
        {
          "Name": "Solar zenith angle at LEXI location",
          "ParameterKey": "sza",
          "Description": "Master CDF CATDESC: 'Solar zenith angle at the landing site, scalar'. Master CDF VAR_NOTES: 'The solar zenith angle is computed at the landing location. The landing site is located at Lunar Latitude and Longitude of (18.56, 61.81) degrees'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is lexi_sc_eph_epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        }
      ]
    }
  }
}