{
  "Spase": {
    "xmlns": "http://www.spase-group.org/data/schema",
    "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/SDO/HMI/PT45S",
      "NamingAuthority": "NASA",
      "ResourceType": "NumericalData",
      "ResourceHeader": {
        "ResourceName": "SDO/HMI Data Products at JSOC/Stanford U.",
        "ReleaseDate": "2025-12-04T13:31:25Z",
        "RevisionHistory": {
          "RevisionEvent": [
            {
              "ReleaseDate": "2020-07-07T21:15:17Z",
              "Note": "Only known prior ReleaseDate of the metadata"
            },
            {
              "ReleaseDate": "2025-11-14T16:01:53Z",
              "Note": "Added PublicationInfo. Added ResourceType and NamingAuthority. ZCB"
            },
            {
              "ReleaseDate": "2025-12-04T13:31:25Z",
              "Note": "Added MetadataRightsList. Updated to 2.7.1. ZCB"
            }
          ]
        },
        "Description": "The HMI-AIA (Helioseismic and Magnetic Imager -\nAtmospheric Imaging Assembly) JSOC (Joint Science Operations Center) \nat Stanford University archives, and provides multiple access paths \nto, a variety of SDO(Solar Dynamics Observatory)/HMI digital and \ndisplay solar images and movies.  Included are dopplergrams (maps \nof solar surface velocity), continuum filtergrams (broad-wavelength \nphotographs of the solar photosphere), and both line-of-sight and \nvector magnetograms (maps of the photospheric magnetic field).\n",
        "PublicationInfo": {
          "Authors": "Scherrer, Philip H.",
          "PublicationDate": "2025-11-14T16:01:53Z",
          "PublishedBy": "Stanford University"
        },
        "Contact": [
          {
            "PersonID": "spase://SMWG/Person/Philip.H.Scherrer",
            "Role": "PrincipalInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/Rick.Bogart",
            "Role": "GeneralContact"
          }
        ],
        "InformationURL": {
          "Name": "HMI top web page at Stanford",
          "URL": "http://hmi.stanford.edu/"
        },
        "PriorID": [
          "spase://VSPO/NumericalData/SDO/HMI/MultipleData",
          "spase://VSPO/NumericalData/SDO/HMI/PT45S"
        ]
      },
      "AccessInformation": {
        "RepositoryID": "spase://SMWG/Repository/Stanford/HMI-AIA.JSOC",
        "Availability": "Online",
        "AccessRights": "Open",
        "AccessURL": [
          {
            "Name": "SDO JSOC main page",
            "URL": "http://jsoc.stanford.edu/",
            "Description": "Selection of HMI data products and access paths"
          },
          {
            "Name": "VSO path to SDO data",
            "URL": "http://sdac.virtualsolar.org/cgi/search?time=1&instrument=1&version=current&build=1",
            "Description": "VSO path to JSOC-resident SDO HMI and AIA data files "
          }
        ],
        "Format": "FITS"
      },
      "InstrumentID": "spase://SMWG/Instrument/SDO/HMI",
      "MeasurementType": [
        "ImageIntensity",
        "Dopplergram",
        "Magnetogram"
      ],
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "2010-05-20T00:00:00",
          "RelativeStopDate": "P1D"
        },
        "Cadence": "PT45S"
      },
      "ObservedRegion": "Sun"
    }
  }
}