{
  "startDate": "1976-03-04T00:00:11Z",
  "stopDate": "1977-05-07T23:59:21Z",
  "cadence": "PT40S",
  "description": "Helios alphafit plasma dataset<br/> MinSampling: 40S; MaxSampling: 300S<br/> Provider: Helios Data Archive",
  "resourceID": "spase://CNES/NumericalData/CDPP-AMDA/Helios2/E1/helios2-e1-alphafit",
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "length": 24,
      "units": "UTC",
      "fill": null
    },
    {
      "name": "helios2_e1alpha_flag",
      "type": "double",
      "units": "",
      "fill": "-1e31",
      "description": "1: successful fit; 2: no magnetic field values available;\n3: failed fit; 4: Low data rate distribution; 5: No proton corefit data available; 6: No alphas present\nin distribution function; 7: Two distribution functions found in one file; 8: I1b energy spectrum\nnot present or corrupted; 9: Fitted velocity not within distribution function"
    },
    {
      "name": "helios2_e1alpha_na",
      "type": "double",
      "units": "cm⁻³",
      "fill": "-1e31"
    },
    {
      "name": "helios2_e1alpha_t_para",
      "type": "double",
      "units": "eV",
      "fill": "-1e31"
    },
    {
      "name": "helios2_e1alpha_t_perp",
      "type": "double",
      "units": "eV",
      "fill": "-1e31"
    },
    {
      "name": "helios2_e1alpha_v",
      "type": "double",
      "size": [
        3
      ],
      "units": "km/s",
      "fill": "-1e31"
    }
  ],
  "HAPI": "2.0",
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "x_LastUpdate": "2026-08-03T15:08:05Z"
}