{
  "id": "TWINS_M2_ENA",
  "url": "http://hpde.io/NASA/NumericalData/TWINS/ENA/MagnetosphericIonTemperatures/ModifiedData/PT10M",
  "data-file": "./data/spase_hpde_io/info/TWINS_M2_ENA.json",
  "data": {
    "Spase": {
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      "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",
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      "NumericalData": {
        "ResourceID": "spase://NASA/NumericalData/TWINS/ENA/MagnetosphericIonTemperatures/ModifiedData/PT10M",
        "NamingAuthority": "NASA",
        "ResourceType": "NumericalData",
        "ResourceHeader": {
          "ResourceName": "TWINS 1, TWINS 2 Storm Time Equatorial Magnetospheric Ion Temperatures derived from Energetic Neutral Fluxes (ENA), Modified Data 2 (MD2), 10 min Data",
          "DOI": "https://doi.org/10.48322/grxp-5t19",
          "ReleaseDate": "2025-12-04T13:32:07Z",
          "RevisionHistory": {
            "RevisionEvent": [
              {
                "ReleaseDate": "2021-04-27T15:38:11",
                "Note": "Only known prior ReleaseDate of the metadata"
              },
              {
                "ReleaseDate": "2023-07-30T12:34:56.789",
                "Note": "Added DOI and PublicationInfo minted by LFB, metadata versioned up to SPASE 2.6.0, reviewed by LFB 20230727"
              },
              {
                "ReleaseDate": "2025-08-05T13:12:54Z",
                "Note": "Added ObservedRegion(s). 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 value in Version tag. ZCB"
              },
              {
                "ReleaseDate": "2025-10-03T11:24:15Z",
                "Note": "Updated PublishedBy name to match ROR Registry. Added ResourceType and NamingAuthority. ZCB"
              },
              {
                "ReleaseDate": "2025-12-04T13:32:07Z",
                "Note": "Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB"
              }
            ]
          },
          "Description": "Two Wide-angle Imaging Neutral-atom Spectrometers, TWINS, energetic neutral atom, ENA, derived equatorial magnetospheric ion temperatures, see Katus et al. (2017)",
          "Acknowledgement": "Please acknowledge the Principal Investigator D.J. McComas for use of the Data",
          "PublicationInfo": {
            "Authors": "McComas, David, J.",
            "PublicationDate": "2023-01-01T00:00:00",
            "PublishedBy": "Space Physics Data Facility"
          },
          "Contact": [
            {
              "PersonID": "spase://SMWG/Person/David.J.McComas",
              "Role": "PrincipalInvestigator"
            },
            {
              "PersonID": "spase://SMWG/Person/Robert.M.Candey",
              "Role": "MetadataContact"
            },
            {
              "PersonID": "spase://SMWG/Person/Lee.Frost.Bargatze",
              "Role": "MetadataContact"
            }
          ],
          "InformationURL": [
            {
              "Name": "TWINS Energetic Neutral Atom, Mission of Opportunity, Space Science Reviews publication",
              "URL": "https://doi.org/10.1007/s11214-008-9467-4",
              "Description": "McComas, D.J., F. Allegrini, J. Baldonado, B. Blake, P.C. Brandt, J. Burch, J. Clemmons, W. Crain, D. Delapp, R. DeMajistre, D. Everett, H. Fahr, L. Friesen, H. Funsten, J. Goldstein, M. Gruntman, R. Harbaugh, R. Harper, H. Henkel, C. Holmlund, G. Lay, D. Mabry, D. Mitchell, U. Nass, C. Pollock, S. Pope, M. Reno, S. Ritzau, E. Roelof, E. Scime, M. Sivjee, R. Skoug, Sotirelis, T.S., Thomsen, M., Urdiales, C., Valek, P., Viherkanto, K., Weidner, S., Ylikorpi, T., Young, M., and J. Zoennchen. The Two Wide-angle Imaging Neutral-atom Spectrometers (TWINS) NASA Mission-of-Opportunity, Space Sci. Rev., 142, 157-231, 2009, DOI: 10.1007/s11214-008-9467-4"
            },
            {
              "Name": "Katus et al. (2017) TWINS EUV storm time equatorial magnetospheric ion temperature images, Journal of Geophysical Research: Space Physics publication",
              "URL": "https://doi.org/10.1002/2016JA023824",
              "Description": "Katus, R.M., D.L. Gallagher, M.W. Liemohn, A.M. Keesee, and L.K. Sarno-Smith, Statistical Storm Time Examination of MLT dependent Plasmapause Location derived from IMAGE EUV, J. Geophys. Res. Space Phys., 120, 5545-5559, 2015, DOI: 10.1002/2015JA021225."
            },
            {
              "Name": "NSSDC Master Catalog, TWINS 1 ENA instrument",
              "URL": "https://nssdc.gsfc.nasa.gov/nmc/experiment/display.action?id=2006-027A-01",
              "Description": "General information concerning the Two Wide-angle Imaging Neutral-atom Spectrometer 1, TWINS 1, Energetic Neutral Atom, ENA, imager"
            },
            {
              "Name": "NSSDC Master Catalog, TWINS 2 ENA instrument",
              "URL": "https://nssdc.gsfc.nasa.gov/nmc/experiment/display.action?id=2008-010A-01",
              "Description": "General information concerning the Two Wide-angle Imaging Neutral-atom Spectrometer 2, TWINS 2, Energetic Neutral Atom, ENA, imager"
            }
          ],
          "PriorID": "spase://VSPO/NumericalData/TWINS/ENA/MagnetosphericIonTemperatures/ModifiedData/PT10M"
        },
        "AccessInformation": [
          {
            "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb",
            "Availability": "Online",
            "AccessRights": "Open",
            "RightsList": {
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                "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/twins/combined/ena/m2/",
              "Description": "Access to Data in CDF Format via ftp from SPDF"
            },
            "Format": "CDF",
            "Encoding": "None",
            "Acknowledgement": "Please acknowledge the Principal Investigator D.J. McComas. Please acknowledge the Data Providers and CDAWeb when using these Data."
          },
          {
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            "Availability": "Online",
            "AccessRights": "Open",
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                "Note": "CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products"
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            },
            "AccessURL": {
              "Name": "HTTPS from SPDF",
              "URL": "https://spdf.gsfc.nasa.gov/pub/data/twins/combined/ena/m2/",
              "Description": "Access to Data in CDF Format via http from SPDF"
            },
            "Format": "CDF",
            "Encoding": "None",
            "Acknowledgement": "Please acknowledge the Principal Investigator D.J. McComas. Please acknowledge the Data Providers and CDAWeb when using these Data."
          },
          {
            "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb",
            "Availability": "Online",
            "AccessRights": "Open",
            "RightsList": {
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                "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",
              "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=TWINS_M2_ENA&index=sp_phys",
              "ProductKey": "TWINS_M2_ENA",
              "Description": "Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb"
            },
            "Format": "CDF",
            "Encoding": "None",
            "Acknowledgement": "Please acknowledge the Principal Investigator D.J. McComas. Please acknowledge the Data Providers and CDAWeb when using these Data."
          },
          {
            "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb",
            "Availability": "Online",
            "AccessRights": "Open",
            "RightsList": {
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                "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": "TWINS_M2_ENA",
              "Description": "Web Service to this product using the HAPI interface."
            },
            "Format": "CSV",
            "Acknowledgement": "Please acknowledge the Principal Investigator D.J. McComas. Please acknowledge the Data Providers and CDAWeb when using these Data."
          }
        ],
        "ProcessingLevel": "Calibrated",
        "InstrumentID": [
          "spase://SMWG/Instrument/TWINS1/ENA",
          "spase://SMWG/Instrument/TWINS1/Ephemeris",
          "spase://SMWG/Instrument/TWINS2/ENA",
          "spase://SMWG/Instrument/TWINS2/Ephemeris"
        ],
        "MeasurementType": [
          "Ephemeris",
          "ThermalPlasma"
        ],
        "TemporalDescription": {
          "TimeSpan": {
            "StartDate": "2009-07-21T00:00:00.000",
            "StopDate": "2017-11-07T23:59:59.999"
          },
          "Cadence": "PT10M"
        },
        "ObservedRegion": [
          "Earth.Magnetosphere.Main",
          "Earth.Magnetosphere.RadiationBelt",
          "Earth.Magnetosphere",
          "Earth.Magnetosphere.Plasmasphere"
        ],
        "Parameter": {
          "Epoch": {
            "Name": "Epoch Time, TT2000",
            "ParameterKey": "Epoch",
            "Description": "Epoch Time Tags in Terrestrial Time 2000, TT2000",
            "Cadence": "PT10M",
            "Units": "ns",
            "UnitsConversion": "1.0e-9>s",
            "RenderingHints": {
              "DisplayType": "TimeSeries",
              "AxisLabel": "Epoch",
              "ValueFormat": "F12.2"
            },
            "ValidMin": "2000-01-01T00:00:00.000000000",
            "ValidMax": "2018-01-01T00:00:00.000000000",
            "FillValue": "9999-12-31T23:59:59.999999999",
            "Support": {
              "SupportQuantity": "Temporal"
            }
          },
          "Ion_Temperature": {
            "Name": "Inner Magnetospheric Ion Temperature, Images",
            "Set": "Time series defined by using: EPOCH",
            "ParameterKey": "Ion_Temperature",
            "Description": "Inner Magnetospheric Ion Temperature, Image format",
            "Cadence": "PT10M",
            "Units": "keV",
            "CoordinateSystem": {
              "CoordinateRepresentation": "Cartesian",
              "CoordinateSystemName": "SM"
            },
            "RenderingHints": {
              "AxisLabel": "IonTemp",
              "ValueFormat": "F12.2"
            },
            "Structure": {
              "Size": "160 160"
            },
            "FillValue": "-1.0e+31",
            "Particle": {
              "ParticleType": "Ion",
              "Qualifier": "Magnitude",
              "ParticleQuantity": "Temperature"
            }
          },
          "Ion_Temperature_movie": {
            "Name": "Inner Magnetospheric Ion Temperature, Movie",
            "Set": "Time series defined by using: EPOCH",
            "ParameterKey": "Ion_Temperature_movie",
            "Description": "Inner Magnetospheric Ion Temperature, Movie format",
            "Caveats": "This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: Ion_Temperature.",
            "Cadence": "PT10M",
            "Units": "keV",
            "CoordinateSystem": {
              "CoordinateRepresentation": "Cartesian",
              "CoordinateSystemName": "SM"
            },
            "RenderingHints": {
              "AxisLabel": "IonTemp",
              "ValueFormat": "F12.2"
            },
            "Structure": {
              "Size": "160 160"
            },
            "FillValue": "-1.0e+31",
            "Particle": {
              "ParticleType": "Ion",
              "Qualifier": "Magnitude",
              "ParticleQuantity": "Temperature"
            }
          },
          "Satellite": {
            "Name": "TWINS Satellite Number",
            "Set": "Time series defined by using: EPOCH",
            "ParameterKey": "Satellite",
            "Description": "Number of the TWINS Satellite used to calculate the Magnetospheric Ion Temperature: 1=TWINS 1, 2=TWINS 2",
            "Cadence": "PT10M",
            "RenderingHints": {
              "DisplayType": "TimeSeries",
              "AxisLabel": "Sat",
              "ValueFormat": "I2"
            },
            "ValidMin": "1",
            "ValidMax": "2",
            "FillValue": "-32768",
            "Support": {
              "SupportQuantity": "Other"
            }
          },
          "X_Axis": {
            "Name": "X-axis coordinates on the equatorial plane",
            "ParameterKey": "X_Axis",
            "Description": "X-axis coordinates on the equatorial plane, used to define the dependent grid",
            "Cadence": "PT10M",
            "Units": "Re",
            "UnitsConversion": "6.3712e6>m",
            "RenderingHints": {
              "AxisLabel": "X_Axis",
              "ValueFormat": "F12.2"
            },
            "Structure": {
              "Size": "160"
            },
            "ValidMin": "-60.0",
            "ValidMax": "40.0",
            "FillValue": "-1.0e+31",
            "Support": {
              "Qualifier": "Component.I",
              "SupportQuantity": "Other"
            }
          },
          "Y_Axis": {
            "Name": "Y-axis coordinates on the equatorial plane",
            "ParameterKey": "Y_Axis",
            "Description": "Y-axis coordinates on the equatorial plane, used to define the dependent grid",
            "Cadence": "PT10M",
            "Units": "Re",
            "UnitsConversion": "6.3712e6>m",
            "RenderingHints": {
              "AxisLabel": "Y_Axis",
              "ValueFormat": "F12.2"
            },
            "Structure": {
              "Size": "160"
            },
            "ValidMin": "-40.0",
            "ValidMax": "40.0",
            "FillValue": "-1.0e+31",
            "Support": {
              "Qualifier": "Component.J",
              "SupportQuantity": "Other"
            }
          },
          "SatLatitude": {
            "Name": "Spacecraft Position, Latitude, Geocentric Solar Magnetospheric Spherical Coordinates",
            "Set": "Time series defined by using: EPOCH",
            "ParameterKey": "SatLatitude",
            "Description": "Spacecraft Position, Latitude, Geocentric Solar Magnetospheric, GSM, Spherical Coordinates for the TWINS satellite used to calculate the Magnetospheric Ion Temperature",
            "Cadence": "PT10M",
            "Units": "°",
            "UnitsConversion": "0.0174532925>rad",
            "CoordinateSystem": {
              "CoordinateRepresentation": "Spherical",
              "CoordinateSystemName": "GSM"
            },
            "RenderingHints": {
              "DisplayType": "TimeSeries",
              "AxisLabel": "SPC_Lat",
              "ValueFormat": "F12.2"
            },
            "ValidMin": "-90.0",
            "ValidMax": "360.0",
            "FillValue": "-1.0e+31",
            "Support": {
              "Qualifier": "DirectionAngle.ElevationAngle",
              "SupportQuantity": "Positional"
            }
          },
          "SatRadialDistance": {
            "Name": "Spacecraft Position, Geocentric Radial Distance",
            "Set": "Time series defined by using: EPOCH",
            "ParameterKey": "SatRadialDistance",
            "Description": "Spacecraft Position, Geocentric Radial Distance for the TWINS satellite used to calculate the Magnetospheric Ion Temperature",
            "Cadence": "PT10M",
            "Units": "Re",
            "UnitsConversion": "6.3712e6>m",
            "CoordinateSystem": {
              "CoordinateRepresentation": "Spherical",
              "CoordinateSystemName": "GSM"
            },
            "RenderingHints": {
              "DisplayType": "TimeSeries",
              "AxisLabel": "SPC_Rad",
              "ValueFormat": "F12.2"
            },
            "ValidMin": "1.0",
            "ValidMax": "10.0",
            "FillValue": "-1.0e+31",
            "Support": {
              "Qualifier": "Magnitude",
              "SupportQuantity": "Positional"
            }
          }
        }
      }
    }
  }
}