{
  "startDate": "1996-01-20T17:30:28Z",
  "stopDate": "2023-05-31T23:59:16Z",
  "sampleStartDate": "2023-05-30T00:00:21Z",
  "sampleStopDate": "2023-05-30T23:59:50Z",
  "cadence": "PT30S",
  "x_cadence_fraction": 0.8427260812581914,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/soho/celias/pm_30s/1996/soho_celias-pm_30s_19960120_v02.cdf. The most common cadence, 30000 [ms] = PT30S, occurred for 84.2726% of the 643 timesteps. ",
  "maxRequestDuration": "PT4318450S",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesS.html#SOHO_CELIAS-PM_30S",
  "contact": "Robert Wimmer-Schweingruber (wimmer@physik.uni-kiel.de) @ Christian Albrechts Universitat",
  "resourceID": "https://doi.org/10.48322/nb4b-f027",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/SOHO/CELIAS/PM/CDF/PT30S.html"
  },
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 24,
      "fill": null,
      "x_description": "Start Time, number of milliseconds since 01-Jan-0000 00:00:00.000",
      "x_cdf_NAME": "Epoch",
      "x_cdf_DataType": "CDF_EPOCH"
    },
    {
      "name": "V_p",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Proton speed, scalar",
      "fill": "-1.0E31",
      "units": "km/s",
      "x_label": "Proton V",
      "x_format": ".0f",
      "x_fractionDigits": "0",
      "x_cdf_FORMAT": "F7.0",
      "x_cdf_FIELDNAM": "Proton speed",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "N_p",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Proton number density",
      "fill": "-1.0E31",
      "units": "cm^-3",
      "x_label": "Proton N",
      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "F7.2",
      "x_cdf_FIELDNAM": "Proton density",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "Vth_p",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Proton most probable thermal speed, scalar",
      "fill": "-1.0E31",
      "units": "km/s",
      "x_label": "Proton Vth",
      "x_format": ".0f",
      "x_fractionDigits": "0",
      "x_cdf_FORMAT": "F7.0",
      "x_cdf_FIELDNAM": "Proton thermal speed",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "NS_angle",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Arrival direction (from north-south, positive from the south)",
      "fill": "-1.0E31",
      "units": "deg",
      "x_label": "N-S Angle",
      "x_format": ".1f",
      "x_fractionDigits": "1",
      "x_cdf_FORMAT": "F7.1",
      "x_cdf_FIELDNAM": "Arrival direction",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "V_He",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Helium speed, scalar, predicted",
      "fill": "-1.0E31",
      "units": "km/s",
      "x_label": "Helium V",
      "x_format": ".0f",
      "x_fractionDigits": "0",
      "x_cdf_FORMAT": "F7.0",
      "x_cdf_FIELDNAM": "Helium speed",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "CRN",
      "type": "integer",
      "x_cdf_DataType": "CDF_UINT2",
      "description": "Earth Carrington Rotation Number",
      "fill": "65535",
      "units": " ",
      "x_label": "CRN(E)",
      "x_cdf_FORMAT": "I6",
      "x_cdf_FIELDNAM": "Earth Carrington Rotation Number",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "GSE_POS",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "SOHO GSE cartesian position (define Re = 6378km), predicted",
      "fill": "-1.0E31",
      "units": "Re",
      "x_label": [
        "X (GSE)",
        "Y (GSE)",
        "Z (GSE)"
      ],
      "x_format": ".1f",
      "x_fractionDigits": "1",
      "x_cdf_FORMAT": "F7.1",
      "x_cdf_FIELDNAM": "GSE cartesian position",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        3
      ]
    },
    {
      "name": "HC_RANGE",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "SOHO heliocentric range [10^6 km], predicted",
      "fill": "-1.0E31",
      "units": "10^6 km",
      "x_label": "HC Range",
      "x_format": ".1f",
      "x_fractionDigits": "1",
      "x_cdf_FORMAT": "F7.1",
      "x_cdf_FIELDNAM": "Heliocentric range",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "HG_LAT",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "SOHO heliographic latitude, predicted",
      "fill": "-1.0E31",
      "units": "deg",
      "x_label": "HG Lat",
      "x_format": ".1f",
      "x_fractionDigits": "1",
      "x_cdf_FORMAT": "F7.1",
      "x_cdf_FIELDNAM": "Heliographic latitude",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "HG_LONG",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "SOHO heliographic longitude, predicted",
      "fill": "-1.0E31",
      "units": "deg",
      "x_label": "HG Long",
      "x_format": ".1f",
      "x_fractionDigits": "1",
      "x_cdf_FORMAT": "F8.1",
      "x_cdf_FIELDNAM": "Heliographic longitude",
      "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": "2026-04-12T15:13:57Z"
}