{
  "HAPI": "3.0",
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "x_dataset": "SW_FAST_AOBBFAC_2F",
  "x_datasetType": "SW_AOBxFAC_2F",
  "startDate": "2026-03-05T04:06:23.500000Z",
  "stopDate": "2026-04-12T09:11:51.500000Z",
  "cadence": "PT23M24S",
  "x_maxTimeSelection": "P7020D",
  "modificationDate": "2026-04-12T10:45:15.569Z",
  "description": "Swarm B fast track aurora oval boundaries determined from the Field Aligned Current (FAC) data",
  "x_dataTerms": "This dataset is provided by the European Space Agency and it is subject to terms condition described in https://vires.services/data_terms.",
  "resourceURL": "https://swarmhandbook.earth.esa.int/catalogue/SW_AOBxFAC_2F",
  "parameters": [
    {
      "name": "Timestamp",
      "description": "Time of observation, UTC",
      "units": "UTC",
      "type": "isotime",
      "length": 24,
      "x_standard": "UTC",
      "x_epoch": "1970-01-01T00:00:00Z",
      "x_unit": "ms",
      "x_type": "int64",
      "fill": null
    },
    {
      "name": "Latitude",
      "description": "Position in ITRF - Geocentric latitude",
      "units": "deg",
      "type": "double",
      "x_type": "float64",
      "fill": null
    },
    {
      "name": "Longitude",
      "description": "Position in ITRF - Geocentric longitude",
      "units": "deg",
      "type": "double",
      "x_type": "float64",
      "fill": null
    },
    {
      "name": "Radius",
      "description": "Position in ITRF - Geocentric radius (from the Earth center)",
      "units": "m",
      "type": "double",
      "x_type": "float64",
      "fill": null
    },
    {
      "name": "Latitude_QD",
      "description": "Quasi-dipole latitude",
      "units": "deg",
      "type": "double",
      "x_type": "float64",
      "fill": null
    },
    {
      "name": "Longitude_QD",
      "description": "Quasi-dipole longitude",
      "units": "deg",
      "type": "double",
      "x_type": "float64",
      "fill": null
    },
    {
      "name": "MLT_QD",
      "description": "Magnetic Local Time (QD)",
      "units": "hour",
      "type": "double",
      "x_type": "float64",
      "fill": null
    },
    {
      "name": "Boundary_Flag",
      "description": "Indicator for equatorward (=1) or poleward (=2) boundary",
      "units": null,
      "type": "integer",
      "x_type": "uint8",
      "fill": null
    },
    {
      "name": "Quality",
      "size": [
        2
      ],
      "description": "Quality indicator of equatorward/poleward boundary (Pa, Sigma)",
      "units": null,
      "type": "double",
      "x_type": "float64",
      "fill": null
    },
    {
      "name": "Pair_Indicator",
      "description": "Indicator of equatorward/poleward boundary of auroral oval. If the auroral oval boundaries are detectable as one pair, the pair indicator represents the record of previous (-1) or next (1) equatorward/poleward boundary within one pair; otherwise, the pair indicator is set to 0",
      "units": null,
      "type": "integer",
      "x_type": "int8",
      "fill": null
    }
  ],
  "x_LastUpdate": "2026-04-12T15:06:46Z"
}