2.4.0 spase://CNES/NumericalData/CDPP-Archive/MMS-4/FPI/DIS/MMS_FPI_4_L2_BRST_DIS_MOM MMS-4 FPI DIS Level-2 Burst ion moments (CDF) https://doi.org/10.24400/802406/fsve-nb2j 2022-07-07T14:05:25Z This dataset provides the moments of the ion distribution function at the BURST cadence (150 ms) computed from the full distribution function and corrected from a number of effects (including the spacecraft electrostatic potential). The dataset comprises the main moments: density, velocity vector, temperatures (and associated pressure tensor), and heat flux. They are provided in GSE frame. For more information on the FPI instruments, data set, and user guide, please see: MMS Science Data Center (https://lasp.colorado.edu/mms/sdc/public/datasets/fpi/) MMS FPI Data Users and Products Guide (https://lasp.colorado.edu/galaxy/display/MFDPG/MMS+FPI+Data+Users+and+Products+Guide) FPI Release Notes (https://lasp.colorado.edu/mms/sdc/public/datasets/fpi/mms-FPIReleaseNotes-220217.pdf) FPI data, as a data set of the MMS-SMART data products, are open to all scientists and the public (Users). Users should contact the MMS-SMART Principal Investigator (PI) J. L. Burch and B. Giles the FPI Lead to consult on the appropriate use of instrument data. Users should acknowledge the sources of data used in all publications, presentations, and reports. Please send information on the use of these data to: PI: J. L. Burch [jburch@swri.edu] FPI Lead: B. Giles [barbara.giles@gsfc.nasa.gov] We suggest to add the following lines into the acknowledgments: The authors acknowledge NASA, CNES (Centre National d'Etudes Spatiales) and CNRS (Centre National de la Recherche Scientifique) for their support to the MMS/FPI team and the CDPP (Centre de Données de la Physique des Plasmas) for the distribution of the MMS/SCM data. and if PI/coI are not part of the publication list, then we suggest to add Specifically, we acknowledge J. L. Burch for use of data from the MMS-SMART mission, B. Giles for use of FPI data. For more informations about data rights and rules, see MMS Science Data center The following paper should also be used to reference: Pollock, C., T. Moore, A. Jacques, J. Burch, U. Gliese, Y. Saito, T. Omoto, L. Avanov, A. Barrie, V. Coffey, J. Dorelli, D. Gershman, B. Giles, T. Rosnack, C. Salo, S. Yokota, M. Adrian, C. Aoustin, C. Auletti, S. Aung, V. Bigio, N. Cao, M. Chandler, D. Chornay, K. Christian, G. Clark, G. Collinson, T. Corris, A. De Los Santos, R. Devlin, T. Diaz, T. Dickerson, C. Dickson, A. Diekmann, F. Diggs, C. Duncan, A. Figueroa-Vinas, C. Firman, M. Freeman, N. Galassi, K. Garcia, G. Goodhart, D. Guererro, J. Hageman, J. Hanley, E. Hemminger, M. Holland, M. Hutchins, T. James, W. Jones, S. Kreisler, J. Kujawski, V. Lavu, J. Lobell, E. LeCompte, A. Lukemire, E. MacDonald, A. Mariano, T. Mukai, K. Narayanan, Q. Nguyan, M. Onizuka, W. Paterson, S. Persyn, B. Piepgrass, F. Cheney, A. Rager, T. Raghuram, A. Ramil, L. Reichenthal, H. Rodriguez, J. Rouzaud, A. Rucker, Y. Saito, M. Samara, J.-A. Sauvaud, D. Schuster, M. Shappirio, K. Shelton, D. Sher, D. Smith, K. Smith, S. Smith, D. Steinfeld, R. Szymkiewicz, K. Tanimoto, J. Taylor, C. Tucker, K. Tull, A. Uhl, J. Vloet, P. Walpole, S. Weidner, D. White, G. Winkert, P.-S. Yeh, M. Zeuch (2016), Fast Plasma Investigation for Magnetospheric Multiscale, Space Sci. Rev., DOI: 10.1007/s11214-016-0245-4. spase://CNES/Person/CDPP-Archive/James.L.Burch PrincipalInvestigator spase://CNES/Person/CDPP-Archive/Barbara.Giles PrincipalInvestigator spase://CNES/Person/CDPP-Archive/Vincent.Genot CoInvestigator spase://CNES/Person/CDPP-Archive/Jean-Andre.Sauvaud CoInvestigator spase://CNES/Person/CDPP-Archive/Benoit.Lavraud CoInvestigator spase://CNES/Repository/CDPP-Archive/REGARDS-CDPP Online REGARDS https://regards.cnes.fr/user/cdpp/modules/1777?sp=DatasetName;q=DatasetName:MMS_FPI_4_L2_BRST_DIS_MOM Access via CNES Data Archive for CDPP CDF Calibrated spase://CNES/Instrument/CDPP-Archive/MMS-4/FPI/DIS EnergeticParticles ThermalPlasma 2015-07-27T00:00:00Z 2021-09-30T00:00:00Z Earth.Magnetosheath Earth.Magnetosphere Earth.Magnetosphere.Magnetotail Earth.Magnetosphere.Main Earth.Magnetosphere.RadiationBelt Earth.NearSurface.EquatorialRegion Earth.NearSurface.Plasmasphere Heliosphere.NearEarth Data Quality Error Flags MMS4 FPI/DIS Vector of Data Quality Indicator Flag Flags at Burst Start Time A Value of Zero signifies no Quality Errors. For Non-Zero Values: Bit-0=Manually flagged Interval, Bit-1=Overcounting/Saturation Effects likely present in Sky Map, Bit-2=Reported Spacecraft Potential above 20 V, Bit-3=Invalid/Unavailable Spacecraft Potential, Bit-4=Significant (>10%) Cold Plasma (>10 eV) Component, Bit-5=Significant (>25%) Hot Plasma (>30 keV) Component, Bit-6=High Sonic Mach Number (V/Vth > 2.5), Bit-7=Low calculated Density (N_DIS ≤ 0.0 cm^-3), Bit-8=Bent Pipe Magnetic Field used instead of Burst l2pre Magnetic Field, Bit-9=Survey l2pre Magnetic Field used instead of Burst l2pre Magnetic Field, Bit-10=No internally generated Photoelectron Correction applied, Bit-11=Compression Pipeline Error, Bit-12=Spintone Calculation Error (DBCS only), Bit-13=Significant (≥20%) Penetrating Radiation Other Compression Flag MMS4 FPI/DIS Compression Lossless/Lossy Indicator Flag at Survey Start Time Compression Loss Indicator, 0=Lossless, 1=Lossy Other Step Table Parity MMS4 FPI/DIS Step Table Parity, this Burst The FPI/DIS alternates between two Tables, designated even (0) and odd (1). Other Start Del-Phi Count MMS4 FPI/DIS Del-Phi (Observatory Spin Phase) Count at Burst Start Time Nominally, the Spin Phase Counts range over [0000,5759] Counts. Each Count represents 1/16 of a Degree (0.0625°) of Observatory Spin Phase. Zero Spin Phase Angle indicates that the Observatory +X-axis is aligned with the Sun Sensor Axis. Other Start Del-Phi Angle MMS4 FPI/DIS Del-Phi (Observatory Spin Phase) Angle at Burst Start Time Nominally, the Spin Phase Angles range over [0°,360°). Each Count represents 1/16 of a Degree (0.0625°) of Observatory Spin Phase. Zero Spin Phase Angle indicates that the Observatory +X-axis is aligned with the Sun Sensor Axis. ° 0.0174532925>rad DirectionAngle.AzimuthAngle PhaseAngle Positional Sector De-Spin P Value MMS4 FPI/DIS This Variable records the P-Value used to De-Spin this Burst Sky Map onboard. See the FPI Documents for Details. This Variable records the P-Value used to De-Spin this Burst Sky Map onboard. See the FPI Documents for Details. Other Ion Energy Spectrum, DBCS +X Direction MMS4 FPI/DIS Ion Energy Spectrum near the De-spun Body Spacecraft Coordinate System, DBCS, +X Axis during this Burst Differential Energy Flux by Energy Bin, averaged (weighted by Solid Angle) over Particles whose DBCS Flow Direction is within 45° (Polar and Azimuthal) of the +X Axis (Instrument Look Angles: 45° ≤ Theta < 135° and 135° ≤ Phi < 225°). keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Cartesian GSE Ion Array Component.I NumberFlux Ion Energy Spectrum, DBCS -X Direction MMS4 FPI/DIS Ion Energy Spectrum near the De-spun Body Spacecraft Coordinate System, DBCS, -X Axis during this Burst Differential Energy Flux by Energy Bin, averaged (weighted by Solid Angle) over Particles whose DBCS Flow Direction is within 45° (Polar and Azimuthal) of the -X Axis (Instrument Look Angles: 45° ≤ Theta < 135° and Phi ≥ 315° or Phi < 45°). keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Cartesian GSE Ion Array Component.I NumberFlux Ion Energy Spectrum, DBCS +Y Direction MMS4 FPI/DIS Ion Energy Spectrum near the De-spun Body Spacecraft Coordinate System, DBCS, +Y Axis during this Burst Differential Energy Flux by Energy Bin, averaged (weighted by Solid Angle) over Particles whose DBCS Flow Direction is within 45° (Polar and Azimuthal) of the +Y Axis (Instrument Look Angles: 45° ≤ Theta < 135° and 225° ≤ Phi < 315°). keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Cartesian GSE Ion Array Component.J NumberFlux Ion Energy Spectrum, DBCS -Y Direction MMS4 FPI/DIS Ion Energy Spectrum near the De-spun Body Spacecraft Coordinate System, DBCS, -Y Axis during this Burst Differential Energy Flux by Energy Bin, averaged (weighted by Solid Angle) over Particles whose DBCS Flow Direction is within 45° (Polar and Azimuthal) of the -Y Axis (Instrument Look Angles: 45° ≤ Theta < 135° and 45° ≤ Phi < 135°). keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Cartesian GSE Ion Array Component.J NumberFlux Ion Energy Spectrum, DBCS +Z Direction MMS4 FPI/DIS Ion Energy Spectrum near the De-spun Body Spacecraft Coordinate System, DBCS, +Z Axis during this Burst Differential Energy Flux by Energy Bin, averaged (weighted by Solid Angle) over Particles whose DBCS Flow Direction is within 45° (Polar and Azimuthal) of the +Z Axis (Instrument Look Angles: 135° ≤ Theta < 180° and 0° ≤ Phi < 360°). keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Cartesian GSE Ion Array Component.K NumberFlux Ion Energy Spectrum, DBCS -Z Direction MMS4 FPI/DIS Ion Energy Spectrum near the De-spun Body Spacecraft Coordinate System, DBCS, -Z Axis during this Burst Differential Energy Flux by Energy Bin, averaged (weighted by Solid Angle) over Particles whose DBCS Flow Direction is within 45° (Polar and Azimuthal) of the -Z Axis (Instrument Look Angles: 0° ≤ Theta < 45° and 0° ≤ Phi < 360°). keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Cartesian GSE Ion Array Component.K NumberFlux Ion Energy Spectrum, Omni-Directional MMS4 FPI/DIS Omni-Directional Ion Energy Spectrum during this Burst Differential Energy Flux by Energy Bin, averaged (weighted by Solid Angle) over all Directions (Flow or Look) keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Ion Array NumberFlux Ion Energy Spectrum, Background MMS4 FPI/DIS Ion Energy Spectrum Background during this Burst Background Differential Energy Flux by Energy Bin, averaged (weighted by Solid Angle) over all Directions (Flow or Look), Background Level. keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Ion Magnitude Scalar NumberFlux Ion Number Density, Background MMS4 FPI/DIS Ion Number Density Background during this Burst Background Number Density derived via Integration of the estimated Background Differential Energy Flux. cm^-3 1.0e6>m^-3 Ion Magnitude Moment NumberDensity Ion Number Density MMS4 FPI/DIS Ion Number Density during this Burst cm^-3 1.0e6>m^-3 Ion Magnitude Moment NumberDensity Ion Number Density, Error MMS4 FPI/DIS Ion Number Density Error during this Burst cm^-3 1.0e6>m^-3 Ion Magnitude Moment Uncertainty NumberDensity Ion Number Density, Extrapolation, Low MMS4 FPI/DIS Estimated Contribution (via Extrapolation to Zero) to the Ion Number Density Integral below 10 eV cm^-3 1.0e6>m^-3 Ion Magnitude Moment NumberDensity Ion Number Density, Extrapolation, High MMS4 FPI/DIS Estimated Contribution (via Extrapolation to Infinity) to the Ion Number Density Integral above 30 keV cm^-3 1.0e6>m^-3 Ion Magnitude Moment NumberDensity Ion Bulk Velocity Vector, DBCS MMS4 FPI/DIS Ion Bulk Velocity Vector during this Burst, De-spun Body Spacecraft Coordinate System, DBCS km/s 1.0e3>m/s Cartesian GSE Ion Vector Moment FlowVelocity Ion Bulk Velocity Spintone Vector, DBCS MMS4 FPI/DIS Ion Bulk Velocity estimated Spintone Vector during this Burst, De-spun Body Spacecraft Coordinate System, DBCS Estimated Systematic Error (Positive or Negative) in Spin Plane Bulk Velocity (km/s) due to imperfect Sensor Suite Flat-Fielding. This Error can be subtracted from the Bulk Velocity to obtain the corrected Velocity Vector. km/s 1.0e3>m/s Ion Vector Moment FlowVelocity Ion Bulk Velocity Vector, GSE MMS4 FPI/DIS Ion Bulk Velocity Vector during this Burst in Geocentric Solar Ecliptic, GSE, Coordinates km/s 1.0e3>m/s Ion Vector Moment FlowVelocity Ion Bulk Velocity Spintone Vector, GSE MMS4 FPI/DIS Ion Bulk Velocity estimated Spintone Vector during this Burst in Geocentric Solar Ecliptic, GSE, Coordinates Estimated Systematic Error (Positive or Negative) in Spin Plane Bulk Velocity (km/s) due to imperfect Sensor Suite Flat-Fielding. This Error can be subtracted from the Bulk Velocity to obtain the corrected Velocity Vector. km/s 1.0e3>m/s Ion Vector Moment FlowVelocity Ion Bulk Velocity Error Vector MMS4 FPI/DIS Ion Bulk Velocity Error Vector during this Burst The Error can be applied to Data expressed by using either DBCS or GSE Coordinates km/s 1.0e3>m/s Ion Vector Moment Uncertainty FlowVelocity Ion Pressure Tensor, DBCS MMS4 FPI/DIS Ion Pressure Tensor during this Burst, De-spun Body Spacecraft Coordinate System, DBCS. Column 1 Labels from : [x,y,z]. Column 2 Labels from : [x,y,z]. The 3⨯3 Matrix is represented as: Row 1: Pxx Pxy Pxz, Row 2: Pyx Pyy Pyz, Row 3: Pzx Pzy Pzz. Note that Pij=Pji. nPa 1.0e-9>Pa Cartesian GSE Ion Tensor Moment Pressure Ion Pressure Tensor, GSE MMS4 FPI/DIS Ion Pressure Tensor during this Burst in Geocentric Solar Ecliptic, GSE, Coordinates. Column 1 Labels from : [x,y,z]. Column 2 Labels from : [x,y,z]. The 3⨯3 Matrix is represented as: Row 1: Pxx Pxy Pxz, Row 2: Pyx Pyy Pyz, Row 3: Pzx Pzy Pzz. Note that Pij=Pji. nPa 1.0e-9>Pa Cartesian GSE Ion Tensor Moment Pressure Ion Pressure Tensor, Error MMS4 FPI/DIS Ion Pressure Tensor Error during this Burst. Column 1 Labels from : [x,y,z]. Column 2 Labels from : [x,y,z]. The Error can be applied to Data expressed by using either DBCS or GSE Coordinates nPa 1.0e-9>Pa Cartesian GSE Ion Tensor Moment Uncertainty Pressure Ion Pressure, Background MMS4 FPI/DIS Ion Pressure Background during this Survey nPa 1.0e-9>Pa Ion Scalar Moment Pressure Ion Temperature Tensor, DBCS MMS4 FPI/DIS Ion Temperature Tensor during this Burst, De-spun Body Spacecraft Coordinate System, DBCS. Column 1 Labels from : [x,y,z]. Column 2 Labels from : [x,y,z]. The 3⨯3 Matrix is represented as: Row 1: Txx Txy Txz, Row 2: Tyx Tyy Tyz, Row 3: Tzx Tzy Tzz. Note that Tij=Tji. eV 1.602176565e-19>J Cartesian GSE Ion Tensor Moment Temperature Ion Temperature Tensor, GSE MMS4 FPI/DIS Ion Temperature Tensor during this Burst in Geocentric Solar Ecliptic, GSE, Coordinates. Column 1 Labels from : [x,y,z]. Column 2 Labels from : [x,y,z]. The 3⨯3 Matrix is represented as: Row 1: Txx Txy Txz, Row 2: Tyx Tyy Tyz, Row 3: Tzx Tzy Tzz. Note that Tij=Tji. eV 1.602176565e-19>J Cartesian GSE Ion Tensor Moment Temperature Ion Temperature Tensor, Error MMS4 FPI/DIS Ion Temperature Tensor Error during this Burst. Column 1 Labels from : [x,y,z]. Column 2 Labels from : [x,y,z]. The Error can be applied to Data expressed by using either DBCS or GSE Coordinates eV 1.602176565e-19>J Cartesian GSE Ion Tensor Moment Uncertainty Temperature Ion Heat Flux Vector, DBCS MMS4 FPI/DIS Ion Heat Flux Vector Vector during this Burst, De-spun Body Spacecraft Coordinate System, DBCS mW/m^2 1.0e-3>W/m^2 Cartesian GSE Ion Vector Moment HeatFlux Ion Heat Flux Vector, GSE MMS4 FPI/DIS Ion Heat Flux Vector Vector during this Burst in Geocentric Solar Ecliptic, GSE, Coordinates mW/m^2 1.0e-3>W/m^2 Cartesian GSE Ion Vector Moment HeatFlux Ion Heat Flux Error Vector MMS4 FPI/DIS Ion Heat Flux Error Vector during this Burst The Error can be applied to Data expressed by using either DBCS or GSE Coordinates mW/m^2 1.0e-3>W/m^2 Cartesian GSE Ion Vector Moment Uncertainty HeatFlux Ion Sky Map Energy MMS4 FPI/DIS Ion Burst Sky Map Parity 0/1 Energy Energies (Parity 0/1) in the 64-step FPI Energy Table eV 1.602176565e-19>J Ion Array Energy Ion Sky Map Energy, Delta Value MMS4 FPI/DIS Ion Burst Sky Map Energy, Delta Value Note that the Deltas are provided to indicate that the FPI is reporting the Energy Bin Centers. The Deltas do not necessarily reflect the Energy Bandwidth that is sampled by the FPI for a given Energy Step. eV 1.602176565e-19>J Ion Array Energy Ion Parallel Temperature MMS4 FPI/DIS Ion Parallel Temperature during this BP eV 1.602176565e-19>J Ion FieldAligned Parallel Scalar Temperature Ion Perpendicular Temperature MMS4 FPI/DIS Ion Perpendicular Temperature during this BP eV 1.602176565e-19>J Ion Parallel Scalar Temperature