{
  "startDate": "2012-11-14T16:59:50Z",
  "stopDate": "2015-01-14T23:59:47Z",
  "sampleStartDate": "2015-01-13T00:00:04Z",
  "sampleStopDate": "2015-01-13T23:59:53Z",
  "cadence": "PT10.938S",
  "x_cadence_fraction": 0.3667534722222222,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/rbsp/rbspb/l3/rbspice/pap_tofxehe/2012/rbsp-b-rbspice_lev-3-pap_tofxehe-0_20121114_v2.1.1-01.cdf. The most common cadence, 10938000000 [ns] = PT10.938S, occurred for 36.6753% of the 845 timesteps. ",
  "maxRequestDuration": "PT4319450S",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesR.html#RBSP-B-RBSPICE_LEV-3-PAP_TOFXEHE-0",
  "contact": "Lou Lanzerotti @ New Jersey Institute of Technology",
  "resourceID": "https://doi.org/10.48322/dkyf-gz14",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/RBSP/B/RBSPICE/L3/PAP/TOFXEHE-0/PT10.9S.html"
  },
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 30,
      "fill": null,
      "x_description": "Ephemeris Time of the start  of the accumulation for this measurement.",
      "x_cdf_NAME": "Epoch",
      "x_cdf_DataType": "CDF_TIME_TT2000"
    },
    {
      "name": "FHeDU",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "FHeDU:UniDirectional Differential He Flux,  0.06-0.6 MeV, one record per spin binned by pitch angle in 17 bins  (as energy-angle displays)",
      "fill": "-1.0E31",
      "units": "Counts/(MeV-cm^2-s-sr)",
      "x_label": "FHeDU",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FHeDU: UniDiff IonFlux",
      "x_cdf_DISPLAY_TYPE": "default_dimensionTHUMBSIZE>166>xsz=4,ysz=5>x=FHeDU_Energy,y=PA_Midpoint,z=FHeDU",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        9,
        17
      ],
      "bins": [
        {
          "name": "FHeDU_Energy",
          "description": "Midpoint energy of each measurement channel in MeV. A value of -1 indicates that an energy definition for this channel is not applicable",
          "centers": [
            0.065,
            0.085,
            0.11,
            0.142,
            0.184,
            0.238,
            0.309,
            0.4,
            0.518
          ],
          "x_label": "Energy",
          "units": "MeV"
        },
        {
          "name": "PA_Midpoint",
          "description": "Center-point pitch angle in Degrees.",
          "centers": [
            7.5,
            20,
            30,
            40,
            50,
            60,
            70,
            80,
            90,
            100,
            110,
            120,
            130,
            140,
            150,
            160,
            172.5
          ],
          "x_label": "PA",
          "units": "Degrees"
        }
      ]
    },
    {
      "name": "FHeDU_Error",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "The Poisson statistical counting percentage error of the measurement for each energy channel and bin calculated as 1/sqrt(Counts)*100.",
      "fill": "-1.0E31",
      "units": "(Percent)",
      "x_label": "FHeDU_Error",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FHeDU_Error",
      "x_cdf_DISPLAY_TYPE": "default_dimensionTHUMBSIZE>166>xsz=4,ysz=5>x=FHeDU_Energy,y=PA_Midpoint,z=FHeDU_Error",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        9,
        17
      ],
      "bins": [
        {
          "name": "FHeDU_Energy",
          "description": "Midpoint energy of each measurement channel in MeV. A value of -1 indicates that an energy definition for this channel is not applicable",
          "centers": [
            0.065,
            0.085,
            0.11,
            0.142,
            0.184,
            0.238,
            0.309,
            0.4,
            0.518
          ],
          "x_label": "Energy",
          "units": "MeV"
        },
        {
          "name": "PA_Midpoint",
          "description": "Center-point pitch angle in Degrees.",
          "centers": [
            7.5,
            20,
            30,
            40,
            50,
            60,
            70,
            80,
            90,
            100,
            110,
            120,
            130,
            140,
            150,
            160,
            172.5
          ],
          "x_label": "PA",
          "units": "Degrees"
        }
      ]
    },
    {
      "name": "FHeDU_Quality",
      "type": "integer",
      "x_cdf_DataType": "CDF_INT2",
      "description": "Quality flag for the measurement for each pitch angle bin/timestep. .see PREBM standards for definition",
      "fill": "-32768",
      "units": "(10=OK)",
      "x_label": "FHeDU_Quality",
      "x_cdf_FORMAT": "i10",
      "x_cdf_FIELDNAM": "FHeDU_Quality",
      "x_cdf_DISPLAY_TYPE": "default_dimensionTHUMBSIZE>166>xsz=4,ysz=5>x=FHeDU_Energy,y=PA_Midpoint,z=FHeDU_Quality",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        9,
        17
      ],
      "bins": [
        {
          "name": "FHeDU_Energy",
          "description": "Midpoint energy of each measurement channel in MeV. A value of -1 indicates that an energy definition for this channel is not applicable",
          "centers": [
            0.065,
            0.085,
            0.11,
            0.142,
            0.184,
            0.238,
            0.309,
            0.4,
            0.518
          ],
          "x_label": "Energy",
          "units": "MeV"
        },
        {
          "name": "PA_Midpoint",
          "description": "Center-point pitch angle in Degrees.",
          "centers": [
            7.5,
            20,
            30,
            40,
            50,
            60,
            70,
            80,
            90,
            100,
            110,
            120,
            130,
            140,
            150,
            160,
            172.5
          ],
          "x_label": "PA",
          "units": "Degrees"
        }
      ]
    },
    {
      "name": "FHeDU_PerpPressure",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "Calculated Helium perpendicular partial pressure for energies: 60Kev-590KeV.  Does not include noisy energy channels.",
      "fill": "-1.0E31",
      "units": "nPa",
      "x_label": "Helium Perpendicular Pressure",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FHeDU_Perp",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "FHeDU_ParaPressure",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "Calculated Helium parallel partial pressure for energies: 60Kev-590KeV.  Does not include noisy energy channels.",
      "fill": "-1.0E31",
      "units": "nPa",
      "x_label": "Helium Parallel Pressure",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FHeDU_Parr",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "FHeDU_Density",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "The Number Density (#/cm^3) calculated by integrating the distribution function over energy (60Kev-590KeV) and pitch angle for Helium. Does not include noisy energy channels.",
      "fill": "-1.0E31",
      "units": "Counts/cm^3",
      "x_label": "Helium Number Density",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FHeDU_Fluence",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "FHeDU_IntegralFlux",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "Pitch Angle Integrated and Energy Integrated total intensity of Helium observed during the spin for energies: 60kev-590keV. Does not include noisy energy channels.",
      "fill": "-1.0E31",
      "units": "Counts/s",
      "x_label": "Helium Total Intensity",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FHeDU_IntegralFlux",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "FHeDU_OmniFlux",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "Omni Directional Total Helium Flux per spin for energies: 60keV-590keV (Counts/(MeV-s-cm^2))",
      "fill": "-1.0E31",
      "units": "Counts/(MeV-s-cm^2)",
      "x_label": "Helium Total Flux",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FHeDU_Flux",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
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      ],
      "bins": [
        {
          "name": "FHeDU_Energy",
          "description": "Midpoint energy of each measurement channel in MeV. A value of -1 indicates that an energy definition for this channel is not applicable",
          "centers": [
            0.065,
            0.085,
            0.11,
            0.142,
            0.184,
            0.238,
            0.309,
            0.4,
            0.518
          ],
          "x_label": "Energy",
          "units": "MeV"
        }
      ]
    },
    {
      "name": "FHeDU_MinimFlux",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "---> Observed minimum intensity in the spin for each energy channel measured (60keV-590keV): Counts/(MeV-cm^2-s)",
      "fill": "-1.0E31",
      "units": "Counts/(MeV-cm^2-s-sr)",
      "x_label": "He Minimum Intensity",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FHeDU_Minimum",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        9
      ],
      "bins": [
        {
          "name": "FHeDU_Energy",
          "description": "Midpoint energy of each measurement channel in MeV. A value of -1 indicates that an energy definition for this channel is not applicable",
          "centers": [
            0.065,
            0.085,
            0.11,
            0.142,
            0.184,
            0.238,
            0.309,
            0.4,
            0.518
          ],
          "x_label": "Energy",
          "units": "MeV"
        }
      ]
    },
    {
      "name": "FHeDU_MaximFlux",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "---> Observed maximum intensity in the spin for each energy channel measured (60keV-590keV): Counts/(MeV-cm^2-s)",
      "fill": "-1.0E31",
      "units": "Counts/(MeV-cm^2-s-sr)",
      "x_label": "He Maximum Intensity",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FHeDU_Maximum",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        9
      ],
      "bins": [
        {
          "name": "FHeDU_Energy",
          "description": "Midpoint energy of each measurement channel in MeV. A value of -1 indicates that an energy definition for this channel is not applicable",
          "centers": [
            0.065,
            0.085,
            0.11,
            0.142,
            0.184,
            0.238,
            0.309,
            0.4,
            0.518
          ],
          "x_label": "Energy",
          "units": "MeV"
        }
      ]
    },
    {
      "name": "Position",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Position of the SC in the GEO Reference Frame.",
      "fill": "-1.0E31",
      "units": "EarthRadii",
      "x_label": [
        "XGEO",
        "YGEO",
        "ZGEO"
      ],
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "Position_GEO",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        3
      ]
    },
    {
      "name": "Position_SM",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "---> Position of the spacecraft in SM coordinates",
      "fill": "-1.0E31",
      "units": "EarthRadii",
      "x_label": [
        "XSM",
        "YSM",
        "ZSM"
      ],
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "Position_SM",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        3
      ]
    },
    {
      "name": "Position_GSM",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "---> Position of the SC in the GSM Reference Frame.",
      "fill": "-1.0E31",
      "units": "EarthRadii",
      "x_label": [
        "XGSM",
        "YGSM",
        "ZGSM"
      ],
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "Position_GSM",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        3
      ]
    },
    {
      "name": "Position_Quality",
      "type": "integer",
      "x_cdf_DataType": "CDF_INT2",
      "description": "---> The position quality flag, 0=good, 1=bad.",
      "fill": "-32768",
      "units": "(0=good)",
      "x_label": "Position_Quality",
      "x_cdf_FORMAT": "I1",
      "x_cdf_FIELDNAM": "Position_Quality",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "OrbitNumber",
      "type": "integer",
      "x_cdf_DataType": "CDF_INT4",
      "description": "Orbit Number at the time of the measurement",
      "fill": "-2147483648",
      "units": null,
      "x_label": "OrbitNumber",
      "x_cdf_FORMAT": "I8",
      "x_cdf_FIELDNAM": "OrbitNumber",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "L",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "---> Dipole L value calculated using the SM Reference Frame",
      "fill": "-1.0E31",
      "units": "EarthRadii",
      "x_label": "L",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "L",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "L_Eq",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "---> McElqain L value calculated at the Equator (derived from ECT MagEphem data).",
      "fill": "-1.0E31",
      "units": "EarthRadii",
      "x_label": "L_Eq",
      "x_format": ".4e",
      "x_fractionDigits": "4",
      "x_cdf_FORMAT": "E10.4",
      "x_cdf_FIELDNAM": "L_Eq",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "L_Star",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "---> Roeder's L* value (derived from ECT MagEphem data) for the average pitch angle.",
      "fill": "-1.0E31",
      "units": "EarthRadii",
      "x_label": "L*",
      "x_format": ".4e",
      "x_fractionDigits": "4",
      "x_cdf_FORMAT": "E10.4",
      "x_cdf_FIELDNAM": "L_Star",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "I",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "---> Integral invariant for the average pitch angle derived from ECT MagEphem data.",
      "fill": "-1.0E31",
      "units": "EarthRadii",
      "x_label": "I",
      "x_format": ".4e",
      "x_fractionDigits": "4",
      "x_cdf_FORMAT": "E10.4",
      "x_cdf_FIELDNAM": "I",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "MLT",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "---> Magnetic Local Time of S/C in Centerted Dipole Coordinates derived from ECT MagEphem data.",
      "fill": "-1.0E31",
      "units": "Degrees",
      "x_label": "MLT",
      "x_format": ".4f",
      "x_fractionDigits": "4",
      "x_cdf_FORMAT": "F10.4",
      "x_cdf_FIELDNAM": "MLT",
      "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": "2026-04-12T15:13:09Z"
}