{
  "HAPI": "3.2",
  "x_description": "This dataset contains median values of ion measurements. The data have been calculated from measurements of ion moments from the CIS HIA experiment on the Cluster C1 spacecraft. In addition the estimate of variance is provided.",
  "cadence": "PT60.000000S",
  "parameters": [
    {
      "type": "isotime",
      "units": "UTC",
      "name": "time_tags",
      "description": "Interval centred time tag",
      "label": "Universal Time",
      "length": 24,
      "fill": null
    },
    {
      "type": "double",
      "name": "density",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: density",
      "label": "Density",
      "units": "particles cm^-3",
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "variance_density",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: density",
      "label": "Density",
      "units": null,
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "velocity_gse",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: velocity_gse",
      "label": "Velocity (GSE)",
      "units": "km s^-1",
      "fill": "-1e30",
      "size": [
        3
      ]
    },
    {
      "type": "double",
      "name": "variance_velocity_gse",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: velocity_gse",
      "label": "Velocity (GSE)",
      "units": null,
      "fill": "-1e30",
      "size": [
        3
      ]
    },
    {
      "type": "double",
      "name": "velocity_mag",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: magnitude(velocity_gse)",
      "label": "Velocity",
      "units": "km s^-1",
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "variance_velocity_mag",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: magnitude(velocity_gse)",
      "label": "Velocity",
      "units": null,
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "temp_par",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: temp_par * 86.25",
      "label": "T_par",
      "units": "eV",
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "variance_temp_par",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: temp_par * 86.25",
      "label": "T_par",
      "units": null,
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "temp_perp",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: temp_perp * 86.25",
      "label": "T_perp",
      "units": "eV",
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "variance_temp_perp",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: temp_perp * 86.25",
      "label": "T_perp",
      "units": null,
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "temperature",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: temperature * 86.25",
      "label": "Temperature",
      "units": "eV",
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "variance_temperature",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: temperature * 86.25",
      "label": "Temperature",
      "units": null,
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "pressure",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: pressure",
      "label": "Total Pressure",
      "units": "nPa",
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "variance_pressure",
      "description": "Cx_CP_CIS-HIA_ONBOARD_MOMENTS: pressure",
      "label": "Total Pressure",
      "units": null,
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "iFLUX_Energy1",
      "description": "Cx_CP_CIS-HIA_LS_1D_PEF and Cx_CP_CIS-HIA_HS_1D_PEF: sum(flux) for central energy_table between 80 and 200 eV",
      "label": "1D CIS-HIA fluxes",
      "units": "keV cm^-2 s^-1 sr^-1 keV^-1",
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "variance_iFLUX_Energy1",
      "description": "Cx_CP_CIS-HIA_LS_1D_PEF and Cx_CP_CIS-HIA_HS_1D_PEF: sum(flux) for central energy_table between 80 and 200 eV",
      "label": "1D CIS-HIA fluxes",
      "units": null,
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "iFLUX_Energy2",
      "description": "Cx_CP_CIS-HIA_LS_1D_PEF and Cx_CP_CIS-HIA_HS_1D_PEF: sum(flux) for central energy_table between 800 and 2,000 eV",
      "label": "1D CIS-HIA fluxes",
      "units": "keV cm^-2 s^-1 sr^-1 keV^-1",
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "variance_iFLUX_Energy2",
      "description": "Cx_CP_CIS-HIA_LS_1D_PEF and Cx_CP_CIS-HIA_HS_1D_PEF: sum(flux) for central energy_table between 800 and 2,000 eV",
      "label": "1D CIS-HIA fluxes",
      "units": null,
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "iFLUX_Energy3",
      "description": "Cx_CP_CIS-HIA_LS_1D_PEF and Cx_CP_CIS-HIA_HS_1D_PEF: sum(flux) for central energy_table between 8,000 and 20,000 eV",
      "label": "1D CIS-HIA fluxes",
      "units": "keV cm^-2 s^-1 sr^-1 keV^-1",
      "fill": "-1e30"
    },
    {
      "type": "double",
      "name": "variance_iFLUX_Energy3",
      "description": "Cx_CP_CIS-HIA_LS_1D_PEF and Cx_CP_CIS-HIA_HS_1D_PEF: sum(flux) for central energy_table between 8,000 and 20,000 eV",
      "label": "1D CIS-HIA fluxes",
      "units": null,
      "fill": "-1e30"
    },
    {
      "type": "integer",
      "name": "num_pts_density",
      "description": "Number of points used to calculate 1-min median values",
      "label": "Nr of points per 1-min",
      "units": "Unitless",
      "fill": "-9"
    },
    {
      "type": "integer",
      "name": "num_pts_velocity",
      "description": "Number of points used to calculate 1-min median values",
      "label": "Nr of points per 1-min",
      "units": "Unitless",
      "fill": "-9"
    },
    {
      "type": "integer",
      "name": "num_pts_temperature_pressure",
      "description": "Number of points used to calculate 1-min median values",
      "label": "Nr of points per 1-min",
      "units": "Unitless",
      "fill": "-9"
    },
    {
      "type": "integer",
      "name": "num_pts_iFLUX_Energy1",
      "description": "Number of points used to calculate 1-min median values",
      "label": "Nr of points per 1-min",
      "units": "Unitless",
      "fill": "-9"
    },
    {
      "type": "integer",
      "name": "num_pts_iFLUX_Energy2",
      "description": "Number of points used to calculate 1-min median values",
      "label": "Nr of points per 1-min",
      "units": "Unitless",
      "fill": "-9"
    },
    {
      "type": "integer",
      "name": "num_pts_iFLUX_Energy3",
      "description": "Number of points used to calculate 1-min median values",
      "label": "Nr of points per 1-min",
      "units": "Unitless",
      "fill": "-9"
    }
  ],
  "startDate": "2001-01-01T00:00Z",
  "stopDate": "2021-01-01T00:00Z",
  "x_tap_url": "https://csa.esac.esa.int/csa-sl-tap/data?retrieval_type=HEADER&DATASET_ID=C1_CP_CIS-HIA_DM&FORCEPACK=false",
  "x_tap_data_url": "https://csa.esac.esa.int/csa-sl-tap/data?RETRIEVAL_TYPE=product&RETRIEVAL_ACCESS=streamed&DATASET_ID=C1_CP_CIS-HIA_DM&START_DATE=2021-01-01T00:00Z&END_DATE=2021-01-01T00:00Z",
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "x_LastUpdate": "2026-04-14T15:14:17Z"
}