{"mms4_fpi_brst_l2_des-partmoms_00000000_v01.cdf":{"CDFFileInfo":[{"FileVersion":"3.9.1"},{"Format":"SINGLE"},{"Majority":"COLUMN"},{"Encoding":"IBMPC"}],"CDFglobalAttributes":[{"Project":[{"0":"STP>Solar-Terrestrial Physics"}]},{"Source_name":[{"0":"MMS4>MMS Satellite Number 4"}]},{"Discipline":[{"0":"Space Physics>Magnetospheric Science"}]},{"Data_type":[{"0":"brst_l2_des-partmoms"}]},{"Descriptor":[{"0":"DES>Dual Electron Spectrometers"}]},{"File_naming_convention":[{"0":"source_descriptor_datatype_yyyyMMddHHmmss"}]},{"Data_version":[{"0":"3.3.0"}]},{"PI_name":[{"0":"J. Burch, B. Giles"}]},{"PI_affiliation":[{"0":"SwRI, GSFC"}]},{"TEXT":[{"0":"FPI usually operates in Fast Survey (FS) Mode in the MMS Region Of Interest (ROI) for the current Mission Phase. Data are taken at burst (30/150 ms for DES/DIS) resolution in this mode. Data are also made available at survey (4.5 s, etc) resolution.  Per mission design, not all burst-resolution data are downlinked, but all survey data are downlinked. Planning around calibration activities, avoidance of Earth radiation belts, etc, when possible, FPI usually operates in Slow Survey (SS) Mode outside of ROI, and then only the 60 s resolution survey data are available. This product contains partial moments that come from performing the standard moment integrals over a limited portion of velocity space. The resulting quantities are named similarly to their corresponding standard moments, but are decorated with 'part' to differentiate. For example, density_part is the density moment integrated from a particular energy step to infinity. These partial moments are formed from the indicated data type (DES/DIS burst, FS or SS). For convenience, some additional parameters are included to augment those most commonly found in a moments product of this sort, plus time-stamps and other annotation characterizing the state of the instrument system at the indicated time."}]},{"Instrument_type":[{"0":"Plasma and Solar Wind"},{"1":"Particles (space)"}]},{"Mission_group":[{"0":"MMS"}]},{"Logical_source":[{"0":"mms4_fpi_brst_l2_des-partmoms"}]},{"Logical_file_id":[{"0":"mms4_fpi_brst_l2_des-partmoms_20151015064724_v3.3.0"}]},{"Logical_source_description":[{"0":"MMS Satellite Number 4 Dual Electron Spectrometer Burst-resolution partial moments"}]},{"Time_resolution":[{"0":"30 milliseconds"}]},{"Rules_of_use":[{"0":"See FPI Version Release Notes (https://lasp.colorado.edu/mms/sdc/public/datasets/fpi/) for rules of use."}]},{"Generated_by":[{"0":"FPI ITF, NASA/GSFC Code 673"}]},{"Generation_date":[{"0":"Wed Nov 21 19:01:15 2018"}]},{"MODS":[{"0":"See FPI Version Release Notes (https://lasp.colorado.edu/mms/sdc/public/datasets/fpi/) for data set modification history."}]},{"LINK_TEXT":[{"0":"MMS home page"},{"1":"MMS at NASA GSFC"},{"2":"Science Data Center"},{"3":"FPI overview"}]},{"LINK_TITLE":[{"0":"at GSFC"},{"1":"Homepage"},{"2":"at LASP"},{"3":"at NASA"}]},{"HTTP_LINK":[{"0":"https://mms.gsfc.nasa.gov"},{"1":"https://mms.gsfc.nasa.gov/index.html"},{"2":"http://lasp.colorado.edu/mms/sdc"},{"3":"https://mms.gsfc.nasa.gov"}]},{"Skeleton_version":[{"0":"$Revision: 8924 $"}]},{"Skeleton_revdate":[{"0":"$Date: 2018-10-30 12:23:12 -0400 (Tue, 30 Oct 2018) $"}]},{"Correction_table_name":[{"0":"mms4_des_f1ct_v21-0210_0222_p0.txt mms4_des_f1ct_v21-0210_0222_p1.txt"}]},{"Correction_table_rev":[{"0":"7825"}]},{"Correction_table_scaling_factor":[{"0":"0.93000"}]},{"Energy_table_name":[{"0":"energies_des_0-2.txt"}]},{"Dead_time_correction":[{"0":"100 ns"}]},{"Magnetic_field_filenames":[{"0":"mms4_fgm_srvy_l2_20151015_v4.18.0.cdf mms4_fgm_srvy_l2_20151016_v4.18.0.cdf mms4_fgm_brst_l2_20151015064724_v4.18.0.cdf"}]},{"Spacecraft_potential_filenames":[{"0":"mms4_edp_fast_l2_scpot_20151015000000_v2.4.0.cdf mms4_edp_fast_l2_scpot_20151016000000_v2.4.0.cdf"}]},{"Spacecraft_potential_scaling_factor":[{"0":"-1.2000000 V/Vpsp"}]},{"Spacecraft_potential_offset":[{"0":"0.0000000 V"}]},{"Photoelectron_model_filenames":[{"0":"mms_fpi_brst_l2_des-bgdist_v1.1.0_p0-2.cdf"}]},{"Photoelectron_model_scaling_factor":[{"0":"0.5500000"}]},{"Photoelectron_filter":[{"0":"Off"}]},{"Low_energy_extrapolation":[{"0":"Disabled"}]},{"High_energy_extrapolation":[{"0":"Enabled"}]},{"Spacecraft_attitude_filenames":[{"0":"MMS4_DEFATT_2015288_2015289.V00"}]},{"Lower_energy_integration_limit":[{"0":"10.00eV"}]},{"Upper_energy_integration_limit":[{"0":"highest energy step"}]},{"Energy_e0":[{"0":"100.00eV"}]},{"Scp_energy_fraction":[{"0":"1.00eV"}]},{"Skymap_avgN":[{"0":"1"}]},{"spase_DatasetResourceID":[{"0":"spase://NASA/NumericalData/MMS/4/FastPlasmaInvestigation/DES/Burst/Level2/PartialMoments/PT0.03S"}]},{"DOI":[{"0":"https://doi.org/10.48322/sd5n-d872"}]}],"CDFVariables":[{"Epoch":[{"VarDescription":[{"DataType":"CDF_TIME_TT2000"},{"NumElements":1},{"NumDims":0},{"RecVariance":"VARY"},{"PadValue":"0000-01-01T00:00:00.000000000"}]},{"VarAttributes":[{"CATDESC":"Nanoseconds since J2000"},{"DELTA_PLUS_VAR":"Epoch_plus_var"},{"DELTA_MINUS_VAR":"Epoch_minus_var"},{"FIELDNAM":"Time tags"},{"FILLVAL":"9999-12-31T23:59:59.999999999"},{"LABLAXIS":"Epoch"},{"MONOTON":"INCREASE"},{"REFERENCE_POSITION":"Rotating Earth Geoid"},{"SCALETYP":"linear"},{"SI_CONVERSION":"1.0e-9>s"},{"TIME_BASE":"J2000"},{"TIME_SCALE":"Terrestrial Time"},{"UNITS":"ns"},{"VALIDMIN":"1990-01-01T00:00:00.000000000"},{"VALIDMAX":"2099-12-31T23:59:59.000000000"},{"VAR_NOTES":"MMS4 FPI/DES burst data begin-time; 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