{
  "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/SOHO/CELIAS/SEM/CDF/PT15S",
      "NamingAuthority": "NASA",
      "ResourceType": "NumericalData",
      "ResourceHeader": {
        "ResourceName": "SOHO Charge, Element, and Isotope Analysis System (CELIAS) Solar Extreme-Ultra-Violet Monitor (SEM) 15-second Data in CDF Format",
        "DOI": "https://doi.org/10.48322/perq-dq14",
        "ReleaseDate": "2025-12-04T13:31:28Z",
        "RevisionHistory": {
          "RevisionEvent": [
            {
              "ReleaseDate": "2024-01-22T12:34:56.789",
              "Note": "Only known prior ReleaseDate of the metadata"
            },
            {
              "ReleaseDate": "2024-01-22T12:34:56.789",
              "Note": "Added DOI and PublicationInfo minted by AK, added and updated URLs, reviewed by AK 20240122"
            },
            {
              "ReleaseDate": "2025-10-03T10:49:10Z",
              "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": "2025-12-04T13:31:28Z",
              "Note": "Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB"
            }
          ]
        },
        "Description": "The data include 15-second average raw count rates in Channels 1 - 3 and First Order (26 - 34 nm, average of Ch1 and Ch3) and Central Order (0.1 - 50 nm, Ch2) photon fluxes, as well as SOHO Heliocentric location and distance. This CDF dataset was converted from the original ASCII dataset at the SOHO Archive https://soho.nascom.nasa.gov/data/archive.html. The original ASCII dataset Version 4 science product release notes are available at https://lasp.colorado.edu/eve/data_access/eve_data/lasp_soho_sem_data/long/LASP_SOHO_SEM_release_notes_v4.pdf. Description of the CELIAS-SEM instrument and scientific scope can be found on the CELIAS home page http://www2.physik.uni-kiel.de/SOHO-CELIAS/ and on the SOHO home page https://sohowww.nascom.nasa.gov/. CELIAS Instrument Publication: Hovestadt, D., Hilchenbach, M., Bürgi, A. et al. CELIAS - Charge, Element and Isotope Analysis System for SOHO, Sol Phys 162, 441–481 (1995), https://doi.org/10.1007/BF00733436.",
        "Acknowledgement": "Please acknowledge the Principal Investigator R. Wimmer-Schweingruber for use of these data.",
        "PublicationInfo": {
          "Authors": "Jones, Andrew; Woodraska, Don",
          "PublicationDate": "2023-01-01T00:00:00",
          "PublishedBy": "Space Physics Data Facility"
        },
        "Contact": [
          {
            "PersonID": "spase://SMWG/Person/Robert.F.Wimmer-Schweingruber",
            "Role": "PrincipalInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/Andrew.Jones",
            "Role": "CoPI"
          },
          {
            "PersonID": "spase://SMWG/Person/Don.Woodraska",
            "Role": "CoPI"
          },
          {
            "PersonID": "spase://SMWG/Person/Andriy.Koval",
            "Role": "MetadataContact"
          }
        ],
        "InformationURL": [
          {
            "Name": "SOHO Mission Home Page",
            "URL": "https://sohowww.nascom.nasa.gov/"
          },
          {
            "Name": "CELIAS Instrument Home Page",
            "URL": "https://www.ieap.uni-kiel.de/et/soho/celias/"
          },
          {
            "Name": "CELIAS Instrument DOI",
            "URL": "https://doi.org/10.5270/esa-iey8z2h"
          },
          {
            "Name": "CELIAS Instrument Publication",
            "URL": "https://doi.org/10.1007/BF00733436",
            "Description": "Hovestadt, D., Hilchenbach, M., Bürgi, A. et al. CELIAS - Charge, Element and Isotope Analysis System for SOHO. Sol Phys 162, 441–481 (1995)"
          },
          {
            "Name": "Version 4 Science Product Release Notes",
            "URL": "https://lasp.colorado.edu/eve/data_access/eve_data/lasp_soho_sem_data/long/LASP_SOHO_SEM_release_notes_v4.pdf"
          },
          {
            "Name": "The SOHO Archive",
            "URL": "https://soho.nascom.nasa.gov/data/archive.html"
          }
        ]
      },
      "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/soho/celias/sem_15s/",
              "Description": "Access to Data in CDF Format via ftps from SPDF"
            },
            {
              "Name": "HTTPS from SPDF",
              "URL": "https://spdf.gsfc.nasa.gov/pub/data/soho/celias/sem_15s/",
              "Description": "Access to Data in CDF Format via https from SPDF"
            },
            {
              "Name": "CDAWeb",
              "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=SOHO_CELIAS-SEM_15S&index=sp_phys",
              "ProductKey": "SOHO_CELIAS-SEM_15S",
              "Description": "Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb"
            }
          ],
          "Format": "CDF",
          "Encoding": "None",
          "Acknowledgement": "Please acknowledge the Principal Investigator R. Wimmer-Schweingruber. Please also 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": "SOHO_CELIAS-SEM_15S",
            "Description": "Web Service to this product using the HAPI interface"
          },
          "Format": "CSV",
          "Acknowledgement": "Please acknowledge the Principal Investigator R. Wimmer-Schweingruber. Please also acknowledge the Data Providers and CDAWeb when using these data."
        }
      ],
      "ProcessingLevel": "Calibrated",
      "InstrumentID": "spase://SMWG/Instrument/SOHO/CELIAS",
      "MeasurementType": "Radiance",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "1995-12-21T00:00:05",
          "RelativeStopDate": "-P1M"
        },
        "Cadence": "PT15S"
      },
      "ObservedRegion": "Heliosphere.NearEarth",
      "Parameter": [
        {
          "Name": "Epoch",
          "ParameterKey": "Epoch",
          "Description": "Centered Time, number of milliseconds since 01-Jan-0000 00:00:00.000",
          "Caveats": "This Parameter exhibits an increasing Monotonic Progression",
          "Units": "ms",
          "UnitsConversion": "1.0e-3>s",
          "RenderingHints": {
            "AxisLabel": "Epoch"
          },
          "ValidMin": "01-Jan-1995 00:00:00.000",
          "ValidMax": "01-Jan-2050 00:00:00.000",
          "FillValue": "31-Dec-9999 23:59:59.999",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Chan 1 count rate",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "CH1",
          "Description": "Channel 1 15-second average (raw) count rate",
          "Cadence": "PT15S",
          "Units": "s^-1",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "CH1 count rate",
            "ValueFormat": "F10.3"
          },
          "ValidMin": "0.0",
          "ValidMax": "100000.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "Chan 2 count rate",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "CH2",
          "Description": "Channel 2 15-second average (raw) count rate",
          "Cadence": "PT15S",
          "Units": "s^-1",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "CH2 count rate",
            "ValueFormat": "F10.3"
          },
          "ValidMin": "0.0",
          "ValidMax": "100000.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "Chan 3 count rate",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "CH3",
          "Description": "Channel 3 15-second average (raw) count rate",
          "Cadence": "PT15S",
          "Units": "s^-1",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "CH3 count rate",
            "ValueFormat": "F10.3"
          },
          "ValidMin": "0.0",
          "ValidMax": "100000.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "First Order Flux",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "first_order_flux",
          "Description": "First Order Flux at 1 AU (26-34 nm, average of CH1 and CH3)",
          "Cadence": "PT15S",
          "Units": "photons cm^-2 s^-1",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "First Order Flux",
            "ValueFormat": "E11.5E2"
          },
          "ValidMin": "0.0",
          "ValidMax": "1.0e+20",
          "FillValue": "-1.0e+31",
          "Wave": {
            "WaveType": "Photon",
            "WaveQuantity": "Intensity",
            "WavelengthRange": {
              "Low": "26",
              "High": "34",
              "Units": "nm"
            }
          }
        },
        {
          "Name": "Central Order Flux",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "central_order_flux",
          "Description": "Central Order Flux at 1 AU (0.1 - 50 nm, CH2)",
          "Cadence": "PT15S",
          "Units": "photons cm^-2 s^-1",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Central Order Flux",
            "ValueFormat": "E11.5E2"
          },
          "ValidMin": "0.0",
          "ValidMax": "1.0e+20",
          "FillValue": "-1.0e+31",
          "Wave": {
            "WaveType": "Photon",
            "WaveQuantity": "Intensity",
            "WavelengthRange": {
              "Low": "0.1",
              "High": "50",
              "Units": "nm"
            }
          }
        },
        {
          "Name": "Heliocentric location",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "HC_POS",
          "Description": "SOHO Heliocentric location",
          "Cadence": "PT15S",
          "Units": "km",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "SE"
          },
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "ValueFormat": "E12.5E2"
          },
          "Structure": {
            "Size": "3",
            "Element": [
              {
                "Name": "X",
                "Index": "1"
              },
              {
                "Name": "Y",
                "Index": "2"
              },
              {
                "Name": "Z",
                "Index": "3"
              }
            ]
          },
          "ValidMin": "-2.0e+08",
          "ValidMax": "2.0e+08",
          "FillValue": "-1.0e+31",
          "Support": {
            "Qualifier": "Vector",
            "SupportQuantity": "Positional"
          }
        },
        {
          "Name": "Heliocentric distance (km)",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "HC_R",
          "Description": "SOHO heliocentric distance (km)",
          "Cadence": "PT15S",
          "Units": "km",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Spherical",
            "CoordinateSystemName": "SE"
          },
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "R",
            "ValueFormat": "E12.5E2"
          },
          "ValidMin": "0.0",
          "ValidMax": "2.0e+08",
          "FillValue": "-1.0e+31",
          "Support": {
            "Qualifier": "Magnitude",
            "SupportQuantity": "Positional"
          }
        },
        {
          "Name": "Heliocentric distance (AU)",
          "Set": "Time series defined by using: Epoch",
          "ParameterKey": "R_AU",
          "Description": "SOHO heliocentric distance (AU)",
          "Cadence": "PT15S",
          "Units": "AU",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Spherical",
            "CoordinateSystemName": "SE"
          },
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "R",
            "ValueFormat": "F8.6"
          },
          "ValidMin": "0.0",
          "ValidMax": "2.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "Qualifier": "Magnitude",
            "SupportQuantity": "Positional"
          }
        }
      ]
    }
  }
}