{
  "startDate": "1978-12-06T00:00Z",
  "stopDate": "1988-08-07T10:50Z",
  "sampleStartDate": "1978-12-06T00:00Z",
  "sampleStopDate": "1988-08-07T10:50Z",
  "cadence": "PT10M",
  "x_cadence_fraction": 0.9861323990949565,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/pioneer/pioneer_venus/merged/10m_magplasma_cdf/pioneervenus_merged_solar-wind_10m_19781206_v01.cdf. The most common cadence, 600000 [ms] = PT10M, occurred for 98.6132% of the 297242 timesteps. ",
  "maxRequestDuration": "PT5086730M",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesP.html#PIONEERVENUS_MERGED_SOLAR-WIND_10M",
  "contact": "Dr. C.T. Russell (magnetic field), Dr. Aaron Barnes (plasma) @ UCLA, NASA/Ames",
  "resourceID": "https://doi.org/10.48322/ey7t-8763",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/PioneerVenusOrbiter/Merged/OMAG_OPA/CDF/PT10M.html"
  },
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 24,
      "fill": null,
      "x_description": "Default time",
      "x_cdf_NAME": "Epoch",
      "x_cdf_DataType": "CDF_EPOCH"
    },
    {
      "name": "solar_wind_speed",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Solar wind speed",
      "fill": "1.0000000331813535E32",
      "units": "km/s",
      "x_label": "solar wind speed",
      "x_format": ".5f",
      "x_fractionDigits": "5",
      "x_cdf_FORMAT": "f16.5",
      "x_cdf_FIELDNAM": "solar wind speed",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "proton_number_density",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Proton number density",
      "fill": "1.0000000331813535E32",
      "units": "/cm^(-3)",
      "x_label": "proton number density",
      "x_format": ".5f",
      "x_fractionDigits": "5",
      "x_cdf_FORMAT": "f16.5",
      "x_cdf_FIELDNAM": "proton number density",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "proton_temperature",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Proton temperature",
      "fill": "1.0000000331813535E32",
      "units": "K",
      "x_label": "proton temperature",
      "x_format": ".5f",
      "x_fractionDigits": "5",
      "x_cdf_FORMAT": "f16.5",
      "x_cdf_FIELDNAM": "proton temperature",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "mag_field_vso",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Magnetic field vector in VSO coordinates",
      "fill": "1.0000000331813535E32",
      "units": "nT",
      "x_label": [
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        "By VSO",
        "Bz VSO"
      ],
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      "x_cdf_FORMAT": "f16.5",
      "x_cdf_FIELDNAM": "MAG_field_VSO",
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      "size": [
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      ]
    },
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      "name": "B",
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      "fill": "1.0000000331813535E32",
      "units": "nT",
      "x_label": "B",
      "x_format": ".5f",
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      "x_cdf_FORMAT": "f16.5",
      "x_cdf_FIELDNAM": "B",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "RSUN",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Heliocentric distance of PVO",
      "fill": "1.0000000331813535E32",
      "units": "AU",
      "x_label": "R",
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      "x_fractionDigits": "5",
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      "x_cdf_FIELDNAM": "rsun",
      "x_cdf_DEPEND_0": "Epoch"
    },
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      "units": "Rv",
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        "Y VSO",
        "Z VSO"
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      "x_cdf_FIELDNAM": "spacecraft xyz (VSO)",
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      "size": [
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      ]
    },
    {
      "name": "latitude",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Latitude of PVO in Solar Ecliptic (SE) coordinates",
      "fill": "1.0000000331813535E32",
      "units": "deg",
      "x_label": "Lat SE",
      "x_format": ".5f",
      "x_fractionDigits": "5",
      "x_cdf_FORMAT": "f16.5",
      "x_cdf_FIELDNAM": "Lat SE",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "longitude",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Longitude of PVO in SE coordinates",
      "fill": "1.0000000331813535E32",
      "units": "deg",
      "x_label": "Long SE",
      "x_format": ".5f",
      "x_fractionDigits": "5",
      "x_cdf_FORMAT": "f16.5",
      "x_cdf_FIELDNAM": "Long SE",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    }
  ],
  "x_info_author": "bw",
  "x_cdaweb_hapi_version": "20260130.0606",
  "x_info_caching": false,
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "HAPI": "3.2",
  "x_LastUpdate": "2026-04-12T15:11:55Z"
}