{
  "startDate": "2012-12-02T00:12:38Z",
  "stopDate": "2019-07-15T23:59:35Z",
  "sampleStartDate": "2019-07-14T00:00:13Z",
  "sampleStopDate": "2019-07-14T23:59:43Z",
  "cadence": "PT1M49.345S",
  "x_cadence_fraction": 0.13212435233160622,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/rbsp/rbspb/l3/rbspice/pap_esrhelt/2012/rbsp-b-rbspice_lev-3-pap_esrhelt_20121202_v1.1.1-02.cdf. The most common cadence, 109345000000 [ns] = PT1M49.345S, occurred for 13.2124% of the 102 timesteps. ",
  "maxRequestDuration": "PT71975M",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesR.html#RBSP-B-RBSPICE_LEV-3-PAP_ESRHELT",
  "contact": "Lou Lanzerotti @ New Jersey Institute of Technology",
  "resourceID": "https://doi.org/10.48322/yean-0a44",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/RBSP/B/RBSPICE/L3/PAP/ESRHELT/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": "FEDU",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "FEDU:  UniDirectional Differential Electron Flux, 20-940 keV, binned by pitch angle in 17 bins (as energy-angle displays)",
      "fill": "-1.0E31",
      "units": "Counts/(MeV-cm^2-s-sr)",
      "x_label": "FEDU",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FEDU: UniDiff IonFlux",
      "x_cdf_DISPLAY_TYPE": "default_dimensionTHUMBSIZE>166>xsz=4,ysz=5>x=FEDU_Energy,y=PA_Midpoint,z=FEDU",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        64,
        17
      ],
      "bins": [
        {
          "name": "FEDU_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": [
            0.0202,
            0.0213,
            0.0227,
            0.0241,
            0.0256,
            0.0275,
            0.0292,
            0.031,
            0.0328,
            0.0348,
            0.037,
            0.0391,
            0.0415,
            0.0441,
            0.0467,
            0.0495,
            0.0524,
            0.0554,
            0.0587,
            0.0627,
            0.067,
            0.0716,
            0.0763,
            0.0814,
            0.0867,
            0.0923,
            0.0985,
            0.105,
            0.111,
            0.118,
            0.126,
            0.134,
            0.143,
            0.152,
            0.161,
            0.171,
            0.182,
            0.194,
            0.206,
            0.219,
            0.232,
            0.247,
            0.262,
            0.279,
            0.297,
            0.315,
            0.335,
            0.356,
            0.378,
            0.402,
            0.427,
            0.453,
            0.482,
            0.512,
            0.544,
            0.578,
            0.614,
            0.652,
            0.692,
            0.735,
            0.78,
            0.827,
            0.877,
            0.939
          ],
          "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": "FEDU_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": "FEDU_Error",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FEDU_Error",
      "x_cdf_DISPLAY_TYPE": "default_dimensionTHUMBSIZE>166>xsz=4,ysz=5>x=FEDU_Energy,y=PA_Midpoint,z=FEDU_Error",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        64,
        17
      ],
      "bins": [
        {
          "name": "FEDU_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": [
            0.0202,
            0.0213,
            0.0227,
            0.0241,
            0.0256,
            0.0275,
            0.0292,
            0.031,
            0.0328,
            0.0348,
            0.037,
            0.0391,
            0.0415,
            0.0441,
            0.0467,
            0.0495,
            0.0524,
            0.0554,
            0.0587,
            0.0627,
            0.067,
            0.0716,
            0.0763,
            0.0814,
            0.0867,
            0.0923,
            0.0985,
            0.105,
            0.111,
            0.118,
            0.126,
            0.134,
            0.143,
            0.152,
            0.161,
            0.171,
            0.182,
            0.194,
            0.206,
            0.219,
            0.232,
            0.247,
            0.262,
            0.279,
            0.297,
            0.315,
            0.335,
            0.356,
            0.378,
            0.402,
            0.427,
            0.453,
            0.482,
            0.512,
            0.544,
            0.578,
            0.614,
            0.652,
            0.692,
            0.735,
            0.78,
            0.827,
            0.877,
            0.939
          ],
          "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": "FEDU_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": "FEDU_Quality",
      "x_cdf_FORMAT": "i10",
      "x_cdf_FIELDNAM": "FEDU_Quality",
      "x_cdf_DISPLAY_TYPE": "default_dimensionTHUMBSIZE>166>xsz=4,ysz=5>x=FEDU_Energy,y=PA_Midpoint,z=FEDU_Quality",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        64,
        17
      ],
      "bins": [
        {
          "name": "FEDU_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": [
            0.0202,
            0.0213,
            0.0227,
            0.0241,
            0.0256,
            0.0275,
            0.0292,
            0.031,
            0.0328,
            0.0348,
            0.037,
            0.0391,
            0.0415,
            0.0441,
            0.0467,
            0.0495,
            0.0524,
            0.0554,
            0.0587,
            0.0627,
            0.067,
            0.0716,
            0.0763,
            0.0814,
            0.0867,
            0.0923,
            0.0985,
            0.105,
            0.111,
            0.118,
            0.126,
            0.134,
            0.143,
            0.152,
            0.161,
            0.171,
            0.182,
            0.194,
            0.206,
            0.219,
            0.232,
            0.247,
            0.262,
            0.279,
            0.297,
            0.315,
            0.335,
            0.356,
            0.378,
            0.402,
            0.427,
            0.453,
            0.482,
            0.512,
            0.544,
            0.578,
            0.614,
            0.652,
            0.692,
            0.735,
            0.78,
            0.827,
            0.877,
            0.939
          ],
          "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": "FEDU_PerpPressure",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "Calculated Electron perpendicular partial pressure for energies 20Kev-940KeV.  Does not include noisy energy channels.",
      "fill": "-1.0E31",
      "units": "nPa",
      "x_label": "Electron Perpendicular Pressure",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FEDU_Perp",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "FEDU_ParaPressure",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "---> Calculated Electron parallel partial pressure for energies 20Kev-940KeV.  Does not include noisy energy channels.",
      "fill": "-1.0E31",
      "units": "nPa",
      "x_label": "Electron Parallel Pressure",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FEDU_Parr",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "FEDU_Density",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "---> Number Density calculated by integrating the distribution function over energy (20Kev-940KeV) and pitch angle for Electrons. Does not include noisy energy channels.",
      "fill": "-1.0E31",
      "units": "#/cm^3",
      "x_label": "Electron Number Density",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FEDU_Density",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "FEDU_IntegralFlux",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "Pitch Angle and Energy Integrated total intensity of Electrons observed during the spin for energies 20Kev-940KeV. Does not include noisy energy channels.",
      "fill": "-1.0E31",
      "units": "Counts/s",
      "x_label": "Electron Total Intensity",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FEDU_IntegralFlux",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "FEDU_OmniFlux",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "Omni Directional Total Electron Flux per spin for energies 20Kev-940KeV",
      "fill": "-1.0E31",
      "units": "Counts/(MeV-cm^2-s)",
      "x_label": "Electron Total Flux",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FEDU_Flux",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        64
      ],
      "bins": [
        {
          "name": "FEDU_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": [
            0.0202,
            0.0213,
            0.0227,
            0.0241,
            0.0256,
            0.0275,
            0.0292,
            0.031,
            0.0328,
            0.0348,
            0.037,
            0.0391,
            0.0415,
            0.0441,
            0.0467,
            0.0495,
            0.0524,
            0.0554,
            0.0587,
            0.0627,
            0.067,
            0.0716,
            0.0763,
            0.0814,
            0.0867,
            0.0923,
            0.0985,
            0.105,
            0.111,
            0.118,
            0.126,
            0.134,
            0.143,
            0.152,
            0.161,
            0.171,
            0.182,
            0.194,
            0.206,
            0.219,
            0.232,
            0.247,
            0.262,
            0.279,
            0.297,
            0.315,
            0.335,
            0.356,
            0.378,
            0.402,
            0.427,
            0.453,
            0.482,
            0.512,
            0.544,
            0.578,
            0.614,
            0.652,
            0.692,
            0.735,
            0.78,
            0.827,
            0.877,
            0.939
          ],
          "x_label": "Energy",
          "units": "MeV"
        }
      ]
    },
    {
      "name": "FEDU_MinimFlux",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "---> Observed minimum intensity in the spin for each energy channel",
      "fill": "-1.0E31",
      "units": "Counts/(MeV-cm^2-s)",
      "x_label": "Electron Minimum Intensity",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FEDU_Minimum",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        64
      ],
      "bins": [
        {
          "name": "FEDU_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": [
            0.0202,
            0.0213,
            0.0227,
            0.0241,
            0.0256,
            0.0275,
            0.0292,
            0.031,
            0.0328,
            0.0348,
            0.037,
            0.0391,
            0.0415,
            0.0441,
            0.0467,
            0.0495,
            0.0524,
            0.0554,
            0.0587,
            0.0627,
            0.067,
            0.0716,
            0.0763,
            0.0814,
            0.0867,
            0.0923,
            0.0985,
            0.105,
            0.111,
            0.118,
            0.126,
            0.134,
            0.143,
            0.152,
            0.161,
            0.171,
            0.182,
            0.194,
            0.206,
            0.219,
            0.232,
            0.247,
            0.262,
            0.279,
            0.297,
            0.315,
            0.335,
            0.356,
            0.378,
            0.402,
            0.427,
            0.453,
            0.482,
            0.512,
            0.544,
            0.578,
            0.614,
            0.652,
            0.692,
            0.735,
            0.78,
            0.827,
            0.877,
            0.939
          ],
          "x_label": "Energy",
          "units": "MeV"
        }
      ]
    },
    {
      "name": "FEDU_MaximFlux",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "---> Observed maximum intensity in the spin for each energy channel",
      "fill": "-1.0E31",
      "units": "Counts/(MeV-cm^2-s)",
      "x_label": "Electron Maximum Intensity",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "FEDU_Maximum",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        64
      ],
      "bins": [
        {
          "name": "FEDU_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": [
            0.0202,
            0.0213,
            0.0227,
            0.0241,
            0.0256,
            0.0275,
            0.0292,
            0.031,
            0.0328,
            0.0348,
            0.037,
            0.0391,
            0.0415,
            0.0441,
            0.0467,
            0.0495,
            0.0524,
            0.0554,
            0.0587,
            0.0627,
            0.067,
            0.0716,
            0.0763,
            0.0814,
            0.0867,
            0.0923,
            0.0985,
            0.105,
            0.111,
            0.118,
            0.126,
            0.134,
            0.143,
            0.152,
            0.161,
            0.171,
            0.182,
            0.194,
            0.206,
            0.219,
            0.232,
            0.247,
            0.262,
            0.279,
            0.297,
            0.315,
            0.335,
            0.356,
            0.378,
            0.402,
            0.427,
            0.453,
            0.482,
            0.512,
            0.544,
            0.578,
            0.614,
            0.652,
            0.692,
            0.735,
            0.78,
            0.827,
            0.877,
            0.939
          ],
          "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": "2026-04-12T15:13:08Z"
}