{
  "startDate": "2026-02-01T00:00Z",
  "stopDate": "2026-05-04T22:22:59Z",
  "sampleStartDate": "2026-05-03T00:00:23Z",
  "sampleStopDate": "2026-05-03T17:25:06Z",
  "cadence": "PT3.999966S",
  "x_cadence_fraction": 0.3393321543742848,
  "x_cadence_note": "Counts based on variable 'mag_epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/imap/ialirt/l1/realtime/2026/imap_ialirt_l1_realtime_20260201_v001.cdf. The most common cadence, 3999965952 [ns] = PT3.999966S, occurred for 33.9332% of the 3262 timesteps.",
  "maxRequestDuration": "PT3134150S",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesI.html#IMAP_IALIRT_L1_REALTIME",
  "contact": "Prof. David J. McComas @ Princeton University",
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 30,
      "fill": null,
      "x_description": "Time MAG instrument took the measurement, number of nanoseconds since J2000 with leap seconds included",
      "x_cdf_NAME": "mag_epoch",
      "x_cdf_DataType": "CDF_TIME_TT2000"
    },
    {
      "name": "mag_B_magnitude",
      "type": "double",
      "x_cdf_DataType": "CDF_FLOAT",
      "description": "Magnitude of the magnetic field vector from MAG",
      "fill": "-1.0E31",
      "units": "nT",
      "x_label": "B Magnitude",
      "x_format": ".6f",
      "x_fractionDigits": "6",
      "x_cdf_FORMAT": "F12.6",
      "x_cdf_FIELDNAM": "B vector magnitude",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "mag_epoch"
    },
    {
      "name": "mag_theta_B_GSE",
      "type": "double",
      "x_cdf_DataType": "CDF_FLOAT",
      "description": "Elevation (theta) angle of the magnetic field in GSE coordinates from MAG",
      "fill": "-1.0E31",
      "units": "degrees",
      "x_label": "B elevation (GSE)",
      "x_format": ".6f",
      "x_fractionDigits": "6",
      "x_cdf_FORMAT": "F12.6",
      "x_cdf_FIELDNAM": "B elevation angle in GSE coordinates",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "mag_epoch"
    },
    {
      "name": "mag_phi_B_GSE",
      "type": "double",
      "x_cdf_DataType": "CDF_FLOAT",
      "description": "Azimuth (phi) angle of the magnetic field in GSE coordinates from MAG",
      "fill": "-1.0E31",
      "units": "degrees",
      "x_label": "B azimuth (GSE)",
      "x_format": ".6f",
      "x_fractionDigits": "6",
      "x_cdf_FORMAT": "F12.6",
      "x_cdf_FIELDNAM": "B azimuth angle in GSE coordinates",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "mag_epoch"
    },
    {
      "name": "mag_theta_B_GSM",
      "type": "double",
      "x_cdf_DataType": "CDF_FLOAT",
      "description": "Elevation (theta) angle of the magnetic field in GSM coordinates from MAG",
      "fill": "-1.0E31",
      "units": "degrees",
      "x_label": "B elevation (GSM)",
      "x_format": ".6f",
      "x_fractionDigits": "6",
      "x_cdf_FORMAT": "F12.6",
      "x_cdf_FIELDNAM": "B elevation angle in GSM coordinates",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "mag_epoch"
    },
    {
      "name": "mag_phi_B_GSM",
      "type": "double",
      "x_cdf_DataType": "CDF_FLOAT",
      "description": "Azimuth (phi) angle of the magnetic field in GSM coordinates from MAG",
      "fill": "-1.0E31",
      "units": "degrees",
      "x_label": "B azimuth (GSM)",
      "x_format": ".6f",
      "x_fractionDigits": "6",
      "x_cdf_FORMAT": "F12.6",
      "x_cdf_FIELDNAM": "B azimuth angle in GSM coordinates",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "mag_epoch"
    },
    {
      "name": "mag_B_GSE",
      "type": "double",
      "x_cdf_DataType": "CDF_FLOAT",
      "description": "Magnetic field vector in GSE coordinates from MAG",
      "fill": "-1.0E31",
      "units": "nT",
      "x_label": "B (GSE)",
      "x_labelComponents": [
        [
          "Bx (GSE)",
          "By (GSE)",
          "Bz (GSE)"
        ]
      ],
      "x_format": ".6f",
      "x_fractionDigits": "6",
      "x_cdf_FORMAT": "F13.6",
      "x_cdf_FIELDNAM": "B vector in GSE coordinates",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "mag_epoch",
      "size": [
        3
      ]
    },
    {
      "name": "mag_B_GSM",
      "type": "double",
      "x_cdf_DataType": "CDF_FLOAT",
      "description": "Magnetic field vector in GSM coordinates from MAG",
      "fill": "-1.0E31",
      "units": "nT",
      "x_label": "B (GSM)",
      "x_labelComponents": [
        [
          "Bx (GSM)",
          "By (GSM)",
          "Bz (GSM)"
        ]
      ],
      "x_format": ".6f",
      "x_fractionDigits": "6",
      "x_cdf_FORMAT": "F13.6",
      "x_cdf_FIELDNAM": "B vector in GSM coordinates",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "mag_epoch",
      "size": [
        3
      ]
    },
    {
      "name": "mag_B_RTN",
      "type": "double",
      "x_cdf_DataType": "CDF_FLOAT",
      "description": "Magnetic field vector in RTN coordinates from MAG",
      "fill": "-1.0E31",
      "units": "nT",
      "x_label": "B (RTN)",
      "x_labelComponents": [
        [
          "B radial (RTN)",
          "B tangential (RTN)",
          "B normal (RTN)"
        ]
      ],
      "x_format": ".6f",
      "x_fractionDigits": "6",
      "x_cdf_FORMAT": "F13.6",
      "x_cdf_FIELDNAM": "B vector in RTN coordinates",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "mag_epoch",
      "size": [
        3
      ]
    }
  ],
  "x_info_author": "bw",
  "x_cdaweb_hapi_version": "20260130.0606",
  "x_info_caching": false,
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "HAPI": "3.2",
  "x_LastUpdate": "2026-05-12T15:22:41Z"
}