{
  "HAPI": "3.2",
  "x_description": "This dataset contains differential fluxes of neutral Helium atoms from 8 energy channels, 16 azimuthal sectors and 12 polar directions with non-synchronous sectors merged to a full distribution observed by the IIMS detector heads of the RAPID instrument onboard Cluster SC4",
  "cadence": "PT128.000000S",
  "parameters": [
    {
      "type": "isotime",
      "units": "UTC",
      "name": "Time_tags",
      "description": "Interval centered time tag",
      "label": "Universal Time",
      "length": 23,
      "fill": null
    },
    {
      "type": "double",
      "name": "Time_half_interval",
      "description": "Time half interval",
      "units": "s",
      "fill": "-1.000"
    },
    {
      "type": "integer",
      "name": "Rec_Key",
      "description": "Key for merged ion distributions: number of records merged",
      "label": "3D ion record key",
      "units": null,
      "fill": "99"
    },
    {
      "type": "double",
      "name": "Neutral_Helium_Dif_flux_3DM",
      "description": "Neutral Helium Differential Flux",
      "label": "Neutral Helium Differential Flux",
      "units": "Particles/(cm^2 s sr keV)",
      "fill": "-1.000E+31",
      "bins": [
        {
          "name": "Dimension_E__C4_CP_RAP_I3DM_He_ENA",
          "centers": [
            29.9,
            137.8,
            172.3,
            235.1,
            351,
            737,
            1689,
            3799
          ],
          "units": null
        },
        {
          "name": "Dimension_Az__C4_CP_RAP_I3DM_He_ENA",
          "centers": [
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            33.75,
            56.25,
            78.75,
            101.25,
            123.75,
            146.25,
            168.75,
            191.25,
            213.75,
            236.25,
            258.75,
            281.25,
            303.75,
            326.25,
            348.75
          ],
          "units": null
        },
        {
          "name": "Dimension_Pol__C4_CP_RAP_I3DM_He_ENA",
          "centers": [
            7.5,
            22.5,
            37.5,
            52.5,
            67.5,
            82.5,
            97.5,
            112.5,
            127.5,
            142.5,
            157.5,
            172.5
          ],
          "units": null
        }
      ],
      "size": [
        8,
        16,
        12
      ]
    },
    {
      "type": "double",
      "name": "Neutral_Helium_Dif_flux_3DM_SD",
      "description": "Std. Dev. of Neutral Helium Differential Flux",
      "label": "Std. Dev. Neutral Helium Differential Flux",
      "units": "Particles/(cm^2 s sr keV)",
      "fill": "-1.000E+31",
      "bins": [
        {
          "name": "Dimension_E__C4_CP_RAP_I3DM_He_ENA",
          "centers": [
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            137.8,
            172.3,
            235.1,
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            737,
            1689,
            3799
          ],
          "units": null
        },
        {
          "name": "Dimension_Az__C4_CP_RAP_I3DM_He_ENA",
          "centers": [
            11.25,
            33.75,
            56.25,
            78.75,
            101.25,
            123.75,
            146.25,
            168.75,
            191.25,
            213.75,
            236.25,
            258.75,
            281.25,
            303.75,
            326.25,
            348.75
          ],
          "units": null
        },
        {
          "name": "Dimension_Pol__C4_CP_RAP_I3DM_He_ENA",
          "centers": [
            7.5,
            22.5,
            37.5,
            52.5,
            67.5,
            82.5,
            97.5,
            112.5,
            127.5,
            142.5,
            157.5,
            172.5
          ],
          "units": null
        }
      ],
      "size": [
        8,
        16,
        12
      ]
    },
    {
      "type": "integer",
      "name": "Quality",
      "description": "CSA Data quality: 0 N/A, 2 rates, 3 processed data",
      "label": "Data quality flag",
      "units": null,
      "fill": "-1"
    }
  ],
  "startDate": "2001-01-01T00:00Z",
  "stopDate": "2002-05-01T00:00Z",
  "x_tap_url": "https://csa.esac.esa.int/csa-sl-tap/data?retrieval_type=HEADER&DATASET_ID=C4_CP_RAP_I3DM_He_ENA&FORCEPACK=false",
  "sampleStartDate": "2002-04-30T04:00Z",
  "sampleStopDate": "2002-04-30T23:00Z",
  "x_tap_data_url": "https://csa.esac.esa.int/csa-sl-tap/data?RETRIEVAL_TYPE=product&RETRIEVAL_ACCESS=streamed&DATASET_ID=C4_CP_RAP_I3DM_He_ENA&START_DATE=2002-04-30T04:00:00.000Z&END_DATE=2002-04-30T23:00:00.000Z",
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "x_LastUpdate": "2026-04-12T15:14:17Z"
}