{
  "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/MAVEN/SWIA/Level2/OnboardMoments/Survey/PT4S",
      "NamingAuthority": "NASA",
      "ResourceType": "NumericalData",
      "ResourceHeader": {
        "ResourceName": "MAVEN SWIA Calibrated Onboard Survey Moment Data Collection",
        "AlternateName": "MVN_SWI_L2_ONBOARDSVYMOM",
        "DOI": "https://doi.org/10.17189/1414246",
        "ReleaseDate": "2025-12-04T13:29:54Z",
        "RevisionHistory": {
          "RevisionEvent": [
            {
              "ReleaseDate": "2024-02-26T00:00:00",
              "Note": "Draft metadata created by LFB (ADAPT code), final editing by AK"
            },
            {
              "ReleaseDate": "2025-09-30T14:25:20Z",
              "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": "2025-12-04T13:29:54Z",
              "Note": "Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB"
            }
          ]
        },
        "Description": "SWIA onboard moment files with time-ordered ion moments converted to physical units and coordinates, as computed onboard from Coarse and Fine ion distributions, as well as a header with ancillary information needed to interpret the moments. Description of the SWIA instrument can be found on the SWIA home page https://lasp.colorado.edu/maven/science/instrument-package/swia/ and in the SWIA instrument publication https://doi.org/10.1007/s11214-013-0029-z.",
        "Acknowledgement": "Please acknowledge the Principal Investigator J.S. Halekas for use of these data.",
        "PublicationInfo": {
          "Authors": "Halekas, J. S.",
          "PublicationDate": "2023-01-01T00:00:00",
          "PublishedBy": "Planetary Data System; Space Physics Data Facility"
        },
        "Contact": [
          {
            "PersonID": "spase://SMWG/Person/Jasper.S.Halekas",
            "Role": "InstrumentLead"
          },
          {
            "PersonID": "spase://SMWG/Person/Lan.Jian",
            "Role": "MetadataContact"
          },
          {
            "PersonID": "spase://SMWG/Person/Andriy.Koval",
            "Role": "MetadataContact"
          }
        ],
        "InformationURL": [
          {
            "Name": "MAVEN Data Archive at PDS PPI Node",
            "URL": "https://pds-ppi.igpp.ucla.edu/search/?sc=MAVEN&facet=SPACECRAFT_NAME"
          },
          {
            "Name": "MAVEN home page at LASP",
            "URL": "https://lasp.colorado.edu/maven/"
          },
          {
            "Name": "MAVEN home page at NASA.gov",
            "URL": "https://science.nasa.gov/mission/maven/"
          }
        ]
      },
      "AccessInformation": [
        {
          "RepositoryID": "spase://SMWG/Repository/PDS/PPI",
          "Availability": "Online",
          "AccessRights": "Open",
          "AccessURL": {
            "Name": "PDS PPI",
            "URL": "https://pds-ppi.igpp.ucla.edu/search/view/?f=yes&id=pds://PPI/maven.swia.calibrated/data/onboard_svy_mom",
            "Description": "Access to Data in CDF Format at the Planetary Data System, Planetary Plasma Interactions node"
          },
          "Format": "CDF",
          "Encoding": "None",
          "Acknowledgement": "Please acknowledge the Principal Investigator D. Larson"
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "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/maven/swia/l2/onboardsvymom/",
              "Description": "Access to Data in CDF Format via ftps from SPDF"
            },
            {
              "Name": "HTTPS from SPDF",
              "URL": "https://spdf.gsfc.nasa.gov/pub/data/maven/swia/l2/onboardsvymom/",
              "Description": "Access to Data in CDF Format via https from SPDF"
            },
            {
              "Name": "CDAWeb",
              "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=MVN_SWI_L2_ONBOARDSVYMOM&index=sp_phys",
              "ProductKey": "MVN_SWI_L2_ONBOARDSVYMOM",
              "Description": "Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb"
            }
          ],
          "Format": "CDF",
          "Encoding": "None",
          "Acknowledgement": "Please acknowledge the Principal Investigator J.S. Halekas. 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": "MVN_SWI_L2_ONBOARDSVYMOM",
            "Description": "Web Service to this product using the HAPI interface"
          },
          "Format": "CSV",
          "Acknowledgement": "Please acknowledge the Principal Investigator J.S. Halekas. Please also acknowledge the Data Providers and CDAWeb when using these data."
        }
      ],
      "ProcessingLevel": "Calibrated",
      "InstrumentID": "spase://SMWG/Instrument/MAVEN/SWIA",
      "MeasurementType": "ThermalPlasma",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "2014-03-19T14:19:43",
          "RelativeStopDate": "-P6M"
        },
        "Cadence": "PT4S"
      },
      "ObservedRegion": "Mars",
      "Parameter": [
        {
          "Name": "Time, start of sample, in TT2000 time base",
          "ParameterKey": "epoch",
          "Description": "Time, start of sample, in TT2000 time base",
          "Caveats": "This Parameter exhibits an increasing Monotonic Progression",
          "Units": "ns",
          "UnitsConversion": "1.0e-9>s",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "epoch",
            "ValueFormat": "I22",
            "ScaleMin": "6.3650426622691e+13",
            "ScaleMax": "6.3650513018271e+13"
          },
          "ValidMin": "2013-11-17T23:59:59.999998080",
          "ValidMax": "2030-12-31T23:58:59.999998080",
          "FillValue": "9999-12-31T23:59:59.999999999",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Time, start of sample, in raw mission elapsed time",
          "Set": "Time series defined by using: epoch",
          "ParameterKey": "time_met",
          "Description": "Time, start of sample, in raw mission elapsed time",
          "Caveats": "This Parameter exhibits an increasing Monotonic Progression",
          "Cadence": "PT4S",
          "Units": "s",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Time (MET)",
            "ValueFormat": "F25.6",
            "ScaleMin": "5.36501e+08",
            "ScaleMax": "5.36587e+08"
          },
          "ValidMin": "4.38005e+08",
          "ValidMax": "9.78264e+08",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Time, start of sample, in Unix time",
          "Set": "Time series defined by using: epoch",
          "ParameterKey": "time_unix",
          "Description": "Time, start of sample, in Unix time",
          "Caveats": "This Parameter exhibits an increasing Monotonic Progression",
          "Cadence": "PT4S",
          "Units": "s",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Time (UNIX)",
            "ValueFormat": "F25.6",
            "ScaleMin": "1.48323e+09",
            "ScaleMax": "1.48332e+09"
          },
          "ValidMin": "1.38473e+09",
          "ValidMax": "1.92499e+09",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Onboard density moment, assuming 100% protons",
          "Set": "Time series defined by using: epoch",
          "ParameterKey": "density",
          "Description": "Onboard density moment, assuming 100% protons",
          "Cadence": "PT4S",
          "Units": "cm^-3",
          "UnitsConversion": "1.0e6>m^-3",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Density",
            "ValueFormat": "F15.7",
            "ScaleMin": "0.0",
            "ScaleMax": "1000.0"
          },
          "ValidMin": "0.0",
          "ValidMax": "1.0e+06",
          "FillValue": "-1.0e+31",
          "Particle": {
            "ParticleType": "Proton",
            "Qualifier": "Moment",
            "ParticleQuantity": "NumberDensity",
            "AtomicNumber": "1"
          }
        },
        {
          "Name": "Onboard pressure moment (Inst. Coords), assuming 100% protons",
          "Set": "Time series defined by using: epoch",
          "ParameterKey": "pressure",
          "Description": "Onboard pressure moment (Inst. Coords), assuming 100% protons",
          "Cadence": "PT4S",
          "Units": "eV/cm^-3",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Pressure (IC)",
            "ValueFormat": "F16.7",
            "ScaleMin": "-100000.0",
            "ScaleMax": "100000.0"
          },
          "Structure": {
            "Size": "6",
            "Element": [
              {
                "Name": "Pxx (IC)",
                "Index": "1",
                "RenderingHints": {
                  "AxisLabel": "0"
                }
              },
              {
                "Name": "Pyy (IC)",
                "Index": "2",
                "RenderingHints": {
                  "AxisLabel": "1"
                }
              },
              {
                "Name": "Pzz (IC)",
                "Index": "3",
                "RenderingHints": {
                  "AxisLabel": "2"
                }
              },
              {
                "Name": "Pxy (IC)",
                "Index": "4",
                "RenderingHints": {
                  "AxisLabel": "3"
                }
              },
              {
                "Name": "Pxz (IC)",
                "Index": "5",
                "RenderingHints": {
                  "AxisLabel": "4"
                }
              },
              {
                "Name": "Pyz (IC)",
                "Index": "6",
                "RenderingHints": {
                  "AxisLabel": "5"
                }
              }
            ]
          },
          "ValidMin": "-1.0e+06",
          "ValidMax": "1.0e+06",
          "FillValue": "-1.0e+31",
          "Particle": {
            "ParticleType": "Proton",
            "Qualifier": [
              "Moment",
              "Tensor"
            ],
            "ParticleQuantity": "Pressure",
            "AtomicNumber": "1"
          }
        },
        {
          "Name": "Onboard velocity moment (Inst. Coords), assuming 100% protons",
          "Set": "Time series defined by using: epoch",
          "ParameterKey": "velocity",
          "Description": "Onboard velocity moment (Inst. Coords), assuming 100% protons",
          "Cadence": "PT4S",
          "Units": "km/s",
          "UnitsConversion": "1.0e3>m/s",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Velocity (IC)",
            "ValueFormat": "F18.7",
            "ScaleMin": "-1000.0",
            "ScaleMax": "1000.0"
          },
          "Structure": {
            "Size": "3",
            "Element": [
              {
                "Name": "Vx (IC)",
                "Index": "1",
                "RenderingHints": {
                  "AxisLabel": "0"
                }
              },
              {
                "Name": "Vy (IC)",
                "Index": "2",
                "RenderingHints": {
                  "AxisLabel": "1"
                }
              },
              {
                "Name": "Vz (IC)",
                "Index": "3",
                "RenderingHints": {
                  "AxisLabel": "2"
                }
              }
            ]
          },
          "ValidMin": "-1.0e+07",
          "ValidMax": "1.0e+07",
          "FillValue": "-1.0e+31",
          "Particle": {
            "ParticleType": "Proton",
            "Qualifier": [
              "Moment",
              "Vector"
            ],
            "ParticleQuantity": "Velocity",
            "AtomicNumber": "1"
          }
        },
        {
          "Name": "Onboard velocity moment (MSO [Mars-Sun Orbit] Coords), assuming 100% protons",
          "Set": "Time series defined by using: epoch",
          "ParameterKey": "velocity_mso",
          "Description": "Onboard velocity moment (MSO [Mars-Sun Orbit] Coords), assuming 100% protons",
          "Cadence": "PT4S",
          "Units": "km/s",
          "UnitsConversion": "1.0e3>m/s",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "MSO"
          },
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Velocity Moment (MSO)",
            "ValueFormat": "F18.7",
            "ScaleMin": "-1000.0",
            "ScaleMax": "1000.0"
          },
          "Structure": {
            "Size": "3",
            "Element": [
              {
                "Name": "Vx (MSO)",
                "Index": "1",
                "RenderingHints": {
                  "AxisLabel": "0"
                }
              },
              {
                "Name": "Vy (MSO)",
                "Index": "2",
                "RenderingHints": {
                  "AxisLabel": "1"
                }
              },
              {
                "Name": "Vz (MSO)",
                "Index": "3",
                "RenderingHints": {
                  "AxisLabel": "2"
                }
              }
            ]
          },
          "ValidMin": "-1.0e+07",
          "ValidMax": "1.0e+07",
          "FillValue": "-1.0e+31",
          "Particle": {
            "ParticleType": "Proton",
            "Qualifier": [
              "Moment",
              "Vector"
            ],
            "ParticleQuantity": "Velocity",
            "AtomicNumber": "1"
          }
        },
        {
          "Name": "Onboard temperature moment (Inst. Coords), assuming 100% protons",
          "Set": "Time series defined by using: epoch",
          "ParameterKey": "temperature",
          "Description": "Onboard temperature moment (Inst. Coords), assuming 100% protons",
          "Cadence": "PT4S",
          "Units": "eV",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Temperature",
            "ValueFormat": "F15.7",
            "ScaleMin": "0.0",
            "ScaleMax": "1000.0"
          },
          "Structure": {
            "Size": "3",
            "Element": [
              {
                "Name": "Tx (IC)",
                "Index": "1",
                "RenderingHints": {
                  "AxisLabel": "0"
                }
              },
              {
                "Name": "Ty (IC)",
                "Index": "2",
                "RenderingHints": {
                  "AxisLabel": "1"
                }
              },
              {
                "Name": "Tz (IC)",
                "Index": "3",
                "RenderingHints": {
                  "AxisLabel": "2"
                }
              }
            ]
          },
          "ValidMin": "0.0",
          "ValidMax": "1.0e+06",
          "FillValue": "-1.0e+31",
          "Particle": {
            "ParticleType": "Proton",
            "Qualifier": [
              "Moment",
              "Vector"
            ],
            "ParticleQuantity": "Temperature",
            "AtomicNumber": "1"
          }
        },
        {
          "Name": "Onboard temperature moment (MSO [Mars-Sun Orbit] Coords), assuming 100% protons",
          "Set": "Time series defined by using: epoch",
          "ParameterKey": "temperature_mso",
          "Description": "Onboard temperature moment (MSO [Mars-Sun Orbit] Coords), assuming 100% protons",
          "Cadence": "PT4S",
          "Units": "eV",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "MSO"
          },
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Temperature (MSO)",
            "ValueFormat": "F15.7",
            "ScaleMin": "0.0",
            "ScaleMax": "1000.0"
          },
          "Structure": {
            "Size": "3",
            "Element": [
              {
                "Name": "Tx (MSO)",
                "Index": "1",
                "RenderingHints": {
                  "AxisLabel": "0"
                }
              },
              {
                "Name": "Ty (MSO)",
                "Index": "2",
                "RenderingHints": {
                  "AxisLabel": "1"
                }
              },
              {
                "Name": "Tz (MSO)",
                "Index": "3",
                "RenderingHints": {
                  "AxisLabel": "2"
                }
              }
            ]
          },
          "ValidMin": "0.0",
          "ValidMax": "1.0e+06",
          "FillValue": "-1.0e+31",
          "Particle": {
            "ParticleType": "Proton",
            "Qualifier": [
              "Moment",
              "Vector"
            ],
            "ParticleQuantity": "Temperature",
            "AtomicNumber": "1"
          }
        },
        {
          "Name": "Attenuator state",
          "Set": "Time series defined by using: epoch",
          "ParameterKey": "atten_state",
          "Description": "Attenuator state, 1 = open, 2 = closed, 3 = cover closed",
          "Cadence": "PT4S",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Attenuator State",
            "ValueFormat": "I7",
            "ScaleMin": "1",
            "ScaleMax": "3"
          },
          "ValidMin": "1",
          "ValidMax": "3",
          "FillValue": "255",
          "Support": {
            "SupportQuantity": "InstrumentMode"
          }
        },
        {
          "Name": "Telemetry Mode",
          "Set": "Time series defined by using: epoch",
          "ParameterKey": "telem_mode",
          "Description": "Telemetry Mode: 1 = Sheath, 0 = Solar Wind",
          "Cadence": "PT4S",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Telemetry Mode",
            "ValueFormat": "I7",
            "ScaleMin": "0",
            "ScaleMax": "1"
          },
          "ValidMin": "0",
          "ValidMax": "1",
          "FillValue": "255",
          "Support": {
            "SupportQuantity": "InstrumentMode"
          }
        },
        {
          "Name": "Quality Flag",
          "Set": "Time series defined by using: epoch",
          "ParameterKey": "quality_flag",
          "Description": "Quality Flag: 0 = bad, 1 = good",
          "Cadence": "PT4S",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Quality Flag",
            "ValueFormat": "F15.7",
            "ScaleMin": "0.0",
            "ScaleMax": "1.0"
          },
          "ValidMin": "0.0",
          "ValidMax": "1.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "DataQuality"
          }
        },
        {
          "Name": "Decommutation Flag",
          "Set": "Time series defined by using: epoch",
          "ParameterKey": "decom_flag",
          "Description": "Decommutation Flag: 0 = uncertain mode/attenuator flags, 1 = known mode/attenuator flags",
          "Cadence": "PT4S",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "Decommutation Flag",
            "ValueFormat": "F15.7",
            "ScaleMin": "0.0",
            "ScaleMax": "1.0"
          },
          "ValidMin": "0.0",
          "ValidMax": "1.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "InstrumentMode"
          }
        },
        {
          "Name": "pressure Index for CDF compatibility",
          "ParameterKey": "pindex",
          "Description": "pressure Index for CDF compatibility",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "pindex",
            "ValueFormat": "I7",
            "ScaleMin": "0",
            "ScaleMax": "5"
          },
          "Structure": {
            "Size": "6"
          },
          "ValidMin": "0",
          "ValidMax": "5",
          "FillValue": "-127",
          "Support": {
            "Qualifier": "Array",
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "velocity Index for CDF compatibility",
          "ParameterKey": "vindex",
          "Description": "velocity Index for CDF compatibility",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "vindex",
            "ValueFormat": "I7",
            "ScaleMin": "0",
            "ScaleMax": "2"
          },
          "Structure": {
            "Size": "3"
          },
          "ValidMin": "0",
          "ValidMax": "2",
          "FillValue": "255",
          "Support": {
            "Qualifier": "Array",
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "temperature Index for CDF compatibility",
          "ParameterKey": "tindex",
          "Description": "temperature Index for CDF compatibility",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "tindex",
            "ValueFormat": "I7",
            "ScaleMin": "0",
            "ScaleMax": "2"
          },
          "Structure": {
            "Size": "3"
          },
          "ValidMin": "0",
          "ValidMax": "2",
          "FillValue": "255",
          "Support": {
            "Qualifier": "Array",
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "Number of Moment Sets in File",
          "ParameterKey": "num_mom",
          "Description": "Number of Moment Sets in File",
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "AxisLabel": "num_mom",
            "ValueFormat": "I7",
            "ScaleMin": "0",
            "ScaleMax": "21600"
          },
          "ValidMin": "0",
          "ValidMax": "21600",
          "FillValue": "-32767",
          "Support": {
            "SupportQuantity": "Other"
          }
        }
      ]
    }
  }
}