{ "startDate": "2015-09-01T00:00Z", "stopDate": "2018-06-07T11:59:58Z", "sampleStartDate": "2018-06-07T06:00:02Z", "sampleStopDate": "2018-06-07T06:22:14Z", "cadence": "PT4.500002S", "x_cadence_fraction": 0.39204545454545453, "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms4/fpi/fast/l2/des-moms/2015/09/mms4_fpi_fast_l2_des-moms_20150901080000_v3.4.0.cdf. The most common cadence, 4500002000 [ns] = PT4.500002S, occurred for 39.2045% of the 69 timesteps. ", "maxRequestDuration": "PT1110M", "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesM.html#MMS4_FPI_FAST_L2_DES-MOMS", "contact": "J.Burch; C.Pollock, B.Giles @ SwRI, NASA/GSFC", "resourceID": "https://doi.org/10.48322/62dq-ym51", "additionalMetadata": { "name": "SPASE", "contentURL": "https://spase-metadata.org/NASA/NumericalData/MMS/4/FastPlasmaInvestigation/DES/Fast/Level2/Moments/PT4.5S.html" }, "parameters": [ { "name": "Time", "type": "isotime", "units": "UTC", "length": 30, "fill": null, "x_description": "Default time", "x_cdf_NAME": "Epoch", "x_cdf_DataType": "CDF_TIME_TT2000" }, { "name": "mms4_des_errorflags_fast", "type": "double", "x_cdf_DataType": "CDF_UINT4", "description": "MMS4 FPI/DES 32-bit vector of data-quality indicators at survey-start time. Note: CDF_UINT4 data was converted to HAPI double.", "fill": "4.294967295E9", "units": "(0=Good)", "x_label": "FPI1/DES 32-bit error flags", "x_cdf_FORMAT": "I10", "x_cdf_FIELDNAM": "MMS4 FPI/DES dataQuality errorFlags", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch" }, { "name": "mms4_des_compressionloss_fast", "type": "integer", "x_cdf_DataType": "CDF_UINT1", "description": "---> MMS4 FPI/DES compression lossless/lossy indicator at survey-start time", "fill": "255", "units": "(0=lossless)", "x_label": "FPI1/DES compressFlag", "x_cdf_FORMAT": "I1", "x_cdf_FIELDNAM": "MMS4 FPI/DES compression flag", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch" }, { "name": "mms4_des_startdelphi_count_fast", "type": "integer", "x_cdf_DataType": "CDF_UINT2", "description": "---> MMS4 FPI/DES Del-Phi (obs spin-phase) count at survey-start time", "fill": "65535", "units": "Count", "x_label": "FPI1/DES Obs Spin Phase", "x_cdf_FORMAT": "I4.4", "x_cdf_FIELDNAM": "MMS4 FPI/DES start Del-Phi count", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch" }, { "name": "mms4_des_startdelphi_angle_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "---> MMS4 FPI/DES Del-Phi (obs spin-phase) angle at survey-start time", "fill": "-1.0E31", "units": "deg", "x_label": "FPI1/DES DelPhi ang", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES start Del-Phi angle", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch" }, { "name": "mms4_des_pitchangdist_lowen_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron pitch-angle distribution for \"low\" energies during this survey", "fill": "-1.0E31", "units": null, "x_label": "FPI1/DES PAD_low", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES pitchAngDist_lowEn", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 30 ], "bins": [ { "name": "mms4_des_alpha_fast", "description": "(Constant) MMS FPI/DES survey sky-map constant pitch angles", "centers": [ 3, 9, 15, 21, 27, 33, 39, 45, 51, 57, 63, 69, 75, 81, 87, 93, 99, 105, 111, 117, 123, 129, 135, 141, 147, 153, 159, 165, 171, 177 ], "x_label": "FPI alpha", "units": "deg" } ] }, { "name": "mms4_des_pitchangdist_miden_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "---> MMS4 FPI/DES electron pitch-angle distribution for \"mid\" energies during this survey", "fill": "-1.0E31", "units": null, "x_label": "FPI1/DES PAD_mid", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES pitchAngDist_midEn", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 30 ], "bins": [ { "name": "mms4_des_alpha_fast", "description": "(Constant) MMS FPI/DES survey sky-map constant pitch angles", "centers": [ 3, 9, 15, 21, 27, 33, 39, 45, 51, 57, 63, 69, 75, 81, 87, 93, 99, 105, 111, 117, 123, 129, 135, 141, 147, 153, 159, 165, 171, 177 ], "x_label": "FPI alpha", "units": "deg" } ] }, { "name": "mms4_des_pitchangdist_highen_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "---> MMS4 FPI/DES electron pitch-angle distribution for \"high\" energies during this survey", "fill": "-1.0E31", "units": null, "x_label": "FPI1/DES PAD_high", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES pitchAngDist_highEn", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 30 ], "bins": [ { "name": "mms4_des_alpha_fast", "description": "(Constant) MMS FPI/DES survey sky-map constant pitch angles", "centers": [ 3, 9, 15, 21, 27, 33, 39, 45, 51, 57, 63, 69, 75, 81, 87, 93, 99, 105, 111, 117, 123, 129, 135, 141, 147, 153, 159, 165, 171, 177 ], "x_label": "FPI alpha", "units": "deg" } ] }, { "name": "mms4_des_energyspectr_px_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron energy spectrum \"near\" +X_DSC during this survey", "fill": "-1.0E31", "units": null, "x_label": "FPI1/DES EnSpectr,+X", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES energySpectr_pX", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 32 ] }, { "name": "mms4_des_energyspectr_mx_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "---> MMS4 FPI/DES electron energy spectrum \"near\" -X_DSC during this survey", "fill": "-1.0E31", "units": null, "x_label": "FPI1/DES EnSpectr,-X", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES energySpectr_mX", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 32 ] }, { "name": "mms4_des_energyspectr_py_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "---> MMS4 FPI/DES electron energy spectrum \"near\" +Y_DSC during this survey", "fill": "-1.0E31", "units": null, "x_label": "FPI1/DES EnSpectr,+Y", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES energySpectr_pY", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 32 ] }, { "name": "mms4_des_energyspectr_my_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "---> MMS4 FPI/DES electron energy spectrum \"near\" -Y_DSC during this survey", "fill": "-1.0E31", "units": null, "x_label": "FPI1/DES EnSpectr,-Y", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES energySpectr_mY", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 32 ] }, { "name": "mms4_des_energyspectr_pz_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "---> MMS4 FPI/DES electron energy spectrum \"near\" +Z_DSC during this survey", "fill": "-1.0E31", "units": null, "x_label": "FPI1/DES EnSpectr,+Z", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES energySpectr_pZ", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 32 ] }, { "name": "mms4_des_energyspectr_mz_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "---> MMS4 FPI/DES electron energy spectrum \"near\" -Z_DSC during this survey", "fill": "-1.0E31", "units": null, "x_label": "FPI1/DES EnSpectr,-Z", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES energySpectr_mZ", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 32 ] }, { "name": "mms4_des_energyspectr_par_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron energy parallel spectrum 30 degrees parallel to B during this survey", "fill": "-1.0E31", "units": null, "x_label": "FPI1/DES EnSpectr, Parallel", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES energySpectr_par", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 32 ] }, { "name": "mms4_des_energyspectr_anti_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "---> MMS4 FPI/DES electron energy anti-parallel spectrum 30 degrees anti-parallel to B during this survey", "fill": "-1.0E31", "units": null, "x_label": "FPI1/DES EnSpectr, Antiparallel", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES energySpectr_anti", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 32 ] }, { "name": "mms4_des_energyspectr_perp_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "---> MMS4 FPI/DES electron energy perpendicular spectrum 60 degrees perpendicular to B during this survey", "fill": "-1.0E31", "units": null, "x_label": "FPI1/DES EnSpectr, Perpendicular", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES energySpectr_perp", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 32 ] }, { "name": "mms4_des_energyspectr_omni_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES omni-directional electron energy spectrum during this survey", "fill": "-1.0E31", "units": "keV/(cm^2 s sr keV)", "x_label": "DEF_omni", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES energySpectr_omni", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 32 ] }, { "name": "mms4_des_numberdensity_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron number density during this survey", "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/DES number density", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch" }, { "name": "mms4_des_numberdensity_err_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "---> MMS4 FPI/DES electron number density error during this survey", "fill": "-1.0E31", "units": "cm^-3", "x_label": "N_err", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES number density error", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch" }, { "name": "mms4_des_densityextrapolation_low_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES estimated (via extrapolation to 0) contribution to density integral below 10eV", "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/DES density extrapolation (low)", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch" }, { "name": "mms4_des_densityextrapolation_high_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES estimated (via extrapolation to infinity) contribution to density integral above 30keV", "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/DES density extrapolation (high)", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch" }, { "name": "mms4_des_bulkv_dbcs_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron bulk-velocity DBCS vector during this survey", "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/DES DBCS bulk v", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 3 ] }, { "name": "mms4_des_bulkv_spintone_dbcs_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron bulk-velocity estimated spintone vector in DBCS during this survey", "fill": "-1.0E31", "units": "km/s", "x_label": [ "Vx_spintone_DBCS", "Vy_spintone_DBCS", "Vz_spintone_DBCS" ], "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES DBCS bulk v spintone", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 3 ] }, { "name": "mms4_des_bulkv_gse_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron bulk-velocity GSE vector during this survey", "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/DES GSE bulk v", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 3 ] }, { "name": "mms4_des_bulkv_spintone_gse_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron bulk-velocity estimated spintone vector in GSE during this survey", "fill": "-1.0E31", "units": "km/s", "x_label": [ "Vx_spintone_GSE", "Vy_spintone_GSE", "Vz_spintone_GSE" ], "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES GSE bulk v spintone", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 3 ] }, { "name": "mms4_des_bulkv_spin_dbcs_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron bulk-velocity spintone vector in DBCS during this survey", "fill": "-1.0E31", "units": "km/s", "x_label": [ "Vx_spin_DBCS", "Vy_spin_DBCS", "Vz_spin_DBCS" ], "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES DBCS bulk v spintone", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 3 ] }, { "name": "mms4_des_bulkv_spin_gse_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron bulk-velocity spintone vector in GSE during this survey", "fill": "-1.0E31", "units": "km/s", "x_label": [ "Vx_spin_GSE", "Vy_spin_GSE", "Vz_spin_GSE" ], "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES GSE bulk v spintone", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 3 ] }, { "name": "mms4_des_prestensor_dbcs_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron pressure tensor DBCS matrix during this survey", "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/DES DBCS Pres", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 3, 3 ] }, { "name": "mms4_des_prestensor_gse_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron pressure tensor GSE matrix during this survey", "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/DES GSE Pres", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 3, 3 ] }, { "name": "mms4_des_temptensor_dbcs_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron temperature tensor DBCS matrix during this survey", "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/DES DBCS Temp Tensor", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 3, 3 ] }, { "name": "mms4_des_temptensor_gse_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron temperature tensor GSE matrix during this survey", "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/DES GSE Temp Tensor", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 3, 3 ] }, { "name": "mms4_des_heatq_dbcs_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron heat-flux DBCS vector during this survey", "fill": "-1.0E31", "units": "mW/m^2", "x_label": [ "Qx_DBCS", "Qy_DBCS", "Qz_DBCS" ], "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES DBCS heatq", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 3 ] }, { "name": "mms4_des_heatq_gse_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron heat-flux GSE vector during this survey", "fill": "-1.0E31", "units": "mW/m^2", "x_label": [ "Qx_GSE", "Qy_GSE", "Qz_GSE" ], "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI/DES GSE heatq", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 3 ] }, { "name": "mms4_des_temppara_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron parallel temperature during this BP", "fill": "-1.0E31", "units": "eV", "x_label": "eT_para", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI1/DES tempPara", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch" }, { "name": "mms4_des_tempperp_fast", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "MMS4 FPI/DES electron perpendicular temperature during this BP", "fill": "-1.0E31", "units": "eV", "x_label": "eT_perp", "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MMS4 FPI1/DES tempPerp", "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" }