{
  "startDate": "2015-09-01T12:11:14Z",
  "stopDate": "2021-06-19T22:06:42Z",
  "sampleStartDate": "2021-06-19T21:15:03Z",
  "sampleStopDate": "2021-06-19T21:17:32Z",
  "cadence": "PT0.15S",
  "x_cadence_fraction": 0.8523021210553544,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms4/fpi/brst/l2/dis-partmoms/2015/09/mms4_fpi_brst_l2_dis-partmoms_20150901121114_v3.3.0.cdf. The most common cadence, 150000000 [ns] = PT0.15S, occurred for 85.2302% of the 3295 timesteps. ",
  "maxRequestDuration": "PT7450S",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesM.html#MMS4_FPI_BRST_L2_DIS-PARTMOMS",
  "contact": "J. Burch, B. Giles @ SwRI, GSFC",
  "resourceID": "https://doi.org/10.48322/2cyr-1h98",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/MMS/4/FastPlasmaInvestigation/DIS/Burst/Level2/PartialMoments/PT0.15S.html"
  },
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 30,
      "fill": null,
      "x_description": "Nanoseconds since J2000",
      "x_cdf_NAME": "Epoch",
      "x_cdf_DataType": "CDF_TIME_TT2000"
    },
    {
      "name": "mms4_dis_errorflags_brst",
      "type": "double",
      "x_cdf_DataType": "CDF_UINT4",
      "description": "MMS4 FPI/DIS vector of data-quality indicators at burst-start time. Note: CDF_UINT4 data was converted to HAPI double.",
      "fill": "4.294967295E9",
      "units": "32-bit error flags",
      "x_label": "errFlags",
      "x_cdf_FORMAT": "I10",
      "x_cdf_FIELDNAM": "MMS4 FPI/DIS dataQuality errorFlags",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "mms4_dis_numberdensity_part_brst",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "MMS4 FPI/DIS partial ion number density during this burst",
      "fill": "-1.0E31",
      "units": "cm^-3",
      "x_label": "N",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "MMS4 FPI/DIS partial number density",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        32
      ]
    },
    {
      "name": "mms4_dis_bulkv_part_dbcs_brst",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "MMS4 FPI/DIS partial ion bulk-velocity vector in DBCS during this burst",
      "fill": "-1.0E31",
      "units": "km/s",
      "x_label": [
        "Vx_DBCS",
        "Vy_DBCS",
        "Vz_DBCS"
      ],
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "MMS4 FPI/DIS DBCS partial bulk v",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        32,
        3
      ]
    },
    {
      "name": "mms4_dis_bulkv_part_gse_brst",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "MMS4 FPI/DIS partial ion bulk-velocity vector in GSE during this burst",
      "fill": "-1.0E31",
      "units": "km/s",
      "x_label": [
        "Vx_GSE",
        "Vy_GSE",
        "Vz_GSE"
      ],
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "MMS4 FPI/DIS GSE partial bulk v",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        32,
        3
      ]
    },
    {
      "name": "mms4_dis_prestensor_part_dbcs_brst",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "MMS4 FPI/DIS partial ion pressure tensor in DBCS during this burst",
      "fill": "-1.0E31",
      "units": "nPa",
      "x_label": "P_DBCS",
      "x_labelComponents": [
        [
          "x",
          "y",
          "z"
        ],
        [
          "x",
          "y",
          "z"
        ]
      ],
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "MMS4 FPI/DIS DBCS partial pres tensor",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        32,
        3,
        3
      ]
    },
    {
      "name": "mms4_dis_prestensor_part_gse_brst",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "MMS4 FPI/DIS partial ion pressure tensor in GSE during this burst",
      "fill": "-1.0E31",
      "units": "nPa",
      "x_label": "P_GSE",
      "x_labelComponents": [
        [
          "x",
          "y",
          "z"
        ],
        [
          "x",
          "y",
          "z"
        ]
      ],
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "MMS4 FPI/DIS GSE partial pres tensor",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        32,
        3,
        3
      ]
    },
    {
      "name": "mms4_dis_temptensor_part_dbcs_brst",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "MMS4 FPI/DIS partial ion temperature tensor in DBCS during this burst",
      "fill": "-1.0E31",
      "units": "eV",
      "x_label": "T_DBCS",
      "x_labelComponents": [
        [
          "x",
          "y",
          "z"
        ],
        [
          "x",
          "y",
          "z"
        ]
      ],
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "MMS4 FPI/DIS DBCS partial temp tensor",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        32,
        3,
        3
      ]
    },
    {
      "name": "mms4_dis_temptensor_part_gse_brst",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "MMS4 FPI/DIS partial ion temperature tensor in GSE during this burst",
      "fill": "-1.0E31",
      "units": "eV",
      "x_label": "T_GSE",
      "x_labelComponents": [
        [
          "x",
          "y",
          "z"
        ],
        [
          "x",
          "y",
          "z"
        ]
      ],
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "MMS4 FPI/DIS GSE partial temp tensor",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        32,
        3,
        3
      ]
    },
    {
      "name": "mms4_dis_temppara_part_brst",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "MMS4 FPI/DIS partial ion parallel temperature during this burst",
      "fill": "-1.0E31",
      "units": "eV",
      "x_label": "eT_para",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "MMS4 FPI4/DIS partial tempPara",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        32
      ]
    },
    {
      "name": "mms4_dis_tempperp_part_brst",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "MMS4 FPI/DIS partial ion perpendicular temperature during this burst",
      "fill": "-1.0E31",
      "units": "eV",
      "x_label": "eT_perp",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "MMS4 FPI4/DIS partial tempPerp",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        32
      ]
    },
    {
      "name": "mms4_dis_part_index_brst",
      "type": "integer",
      "x_cdf_DataType": "CDF_UINT2",
      "description": "MMS4 FPI/DIS recommended energy index during this burst",
      "fill": "65535",
      "units": "0-31",
      "x_label": "part_index",
      "x_cdf_FORMAT": "I4.4",
      "x_cdf_FIELDNAM": "MMS4 FPI/DIS part_index",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    }
  ],
  "x_info_author": "bw",
  "x_cdaweb_hapi_version": "20260130.0606",
  "x_info_caching": false,
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "HAPI": "3.2",
  "x_LastUpdate": "2026-04-12T15:11:44Z"
}