2.4.0 spase://CNES/NumericalData/CDPP-Archive/MMS-1/FPI/DES/MMS_FPI_1_L2_BRST_DES_MOM MMS-1 FPI DES Level-2 Burst electron moments (CDF) https://doi.org/10.24400/802406/nq26-7scr 2022-07-07T14:05:24Z This dataset provides the moments of the electron distribution function at the BURST cadence (30 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_1_L2_BRST_DES_MOM Access via CNES Data Archive for CDPP CDF spase://CNES/Instrument/CDPP-Archive/MMS-1/FPI/DES EnergeticParticles Spectrum ThermalPlasma 2015-07-15T00:00:00Z 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 MMS1 FPI/DES dataQuality errorFlags 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_DES < 0.05 cm^-3), Bit-8=Bent Pipe Magnetic Field used instead of Survey l2pre Magnetic Field, Bit-10=No internally generated Photoelectron Correction applied, Bit-11=Compression Pipeline Error, Bit-12=Spintone Calculation Error (DBCS only) Other Compression Flag MMS1 FPI/DES Compression Lossless/Lossy Indicator Flag at Survey Start Time Compression Loss Indicator, 0=Lossless, 1=Lossy Other Start Del-Phi Count MMS1 FPI/DES Del-Phi (obs spin-phase) count at survey-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 MMS1 FPI/DES Del-Phi (obs spin-phase) angle at survey-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 Electron Pitch Angle Distribution, Low Energies MMS1 FPI/DES electron pitch-angle distribution for low energies during this survey Low Energy Bin: Energy Steps 00-10 (of Total Steps 00-31). Pitch Angle Bin Size: 6°. Note that the Pitch Angles are calculated in the Spacecraft Frame. Thus, these Angles are not shifted by the Bulk Velocity. keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Electron Magnitude NumberFlux Electron Pitch Angle Distribution, Mid Energies MMS1 FPI/DES electron pitch-angle distribution for mid energies during this survey Mid Energy Bin: Energy Steps 11-20 (of Total Steps 00-31). Pitch Angle Bin Size: 6°. Note that the Pitch Angles are calculated in the Spacecraft Frame. Thus, these Angles are not shifted by the Bulk Velocity. keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Electron Magnitude NumberFlux Electron Pitch Angle Distribution, High Energies MMS1 FPI/DES electron pitch-angle distribution for high energies during this survey High Energy Bin: Energy Steps 21-31 (of Total Steps 00-31). Pitch Angle Bin Size: 6°. Note that the Pitch Angles are calculated in the Spacecraft Frame. Thus, these Angles are not shifted by the Bulk Velocity. keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Electron Magnitude NumberFlux Electron Energy Spectrum, DBCS +X Direction MMS1 FPI/DES electron energy spectrum near +X_DBCS during this survey 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 Electron Array Component.I NumberFlux Electron Energy Spectrum, DBCS -X Direction MMS1 FPI/DES electron energy spectrum near X_DBCS during this survey 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 Electron Array Component.I NumberFlux Electron Energy Spectrum, DBCS +Y Direction MMS1 FPI/DES electron energy spectrum near +Y_DBCS during this survey 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°). </Caveats> keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Cartesian GSE Electron Array Component.J NumberFlux Electron Energy Spectrum, DBCS -Y Direction MMS1 FPI/DES electron energy spectrum near Y_DBCS during this survey 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 Electron Array Component.J NumberFlux Electron Energy Spectrum, DBCS +Z Direction MMS1 FPI/DES electron energy spectrum near +Z_DBCS during this survey 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 Electron Array Component.K NumberFlux Electron Energy Spectrum, DBCS -Z Direction MMS1 FPI/DES electron energy spectrum near Z_DBCS during this survey 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 Electron Array Component.K NumberFlux Electron Energy Spectrum, B Parallel Direction MMS1 FPI/DES electron energy parallel to the magnetic field direction during this survey Differential Energy Flux by Energy Bin, averaged (weighted by Solid Angle) over Particles whose DBCS Flow Direction (not Instrument Look Direction) is within 30° of the Magnetic Field Direction. keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Electron Array Parallel NumberFlux Electron Energy Spectrum, B Anti-Parallel Direction MMS1 FPI/DES electron energy anti-parallel to the magnetic field direction during this survey Differential Energy Flux by Energy Bin, averaged (weighted by Solid Angle) over Particles whose DBCS Flow Direction (not Instrument Look Direction) is within 150° of the Magnetic Field Direction. keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Electron Array NumberFlux Electron Energy Spectrum, B Perpendicular Direction MMS1 FPI/DES electron energy perpendicular to the magnetic field direction during this survey Differential Energy Flux by Energy Bin, averaged (weighted by Solid Angle) over Particles whose DBCS Flow Direction (not Instrument Look Direction) is within 60° to 120° of the Magnetic Field Direction. keV/(cm^2 s sr keV) 1.0e4>J/(m^2 s sr J) Electron Array NumberFlux Electron Energy Spectrum, Omni-Directional MMS1 FPI/DES omni-directional electron energy spectrum during this survey 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) Electron Array NumberFlux Electron Number Density MMS1 FPI/DES electron number density during this survey cm^-3 1.0e6>m^-3 Electron Magnitude Moment NumberDensity Electron Number Density, Error MMS1 FPI/DES electron number density error during this survey cm^-3 1.0e6>m^-3 Electron Magnitude Moment NumberDensity Electron Number Density, Extrapolation, Low MMS1 FPI/DES estimated (via extrapolation to 0) contribution to density integral below 10eV cm^-3 1.0e6>m^-3 Electron Magnitude Moment NumberDensity Electron Number Density, Extrapolation, High MMS1 FPI/DES estimated (via extrapolation to infinity) contribution to density integral above 30keV cm^-3 1.0e6>m^-3 Electron Magnitude Moment NumberDensity Electron Bulk Velocity Vector, DBCS MMS1 FPI/DES electron bulk-velocity vector in De-spun Body Spacecraft Coordinate System during this survey km/s 1.0e3>m/s Electron Vector Moment FlowVelocity Electron Bulk Velocity Spintone Vector, DBCS MMS1 FPI/DES electron bulk-velocity estimated spintone vector in De-spun Body Spacecraft Coordinate System during this survey km/s 1.0e3>m/s Electron Vector Moment FlowVelocity Electron Bulk Velocity Vector, GSE MMS1 FPI/DES electron bulk-velocity vector in GSE during this survey km/s 1.0e3>m/s Cartesian GSE Electron Vector Moment FlowVelocity Electron Bulk Velocity Spintone Vector, GSE MMS1 FPI/DES electron bulk-velocity estimated spintone vector in GSE during this survey km/s 1.0e3>m/s Cartesian GSE Electron Vector Moment FlowVelocity Electron Bulk Velocity Error Vector MMS1 FPI/DES electron bulk-velocity error vector during this survey km/s 1.0e3>m/s Cartesian GSE Electron Vector Moment Uncertainty FlowVelocity Electron Pressure Tensor, DBCS MMS1 FPI/DES electron pressure tensor in De-spun Body Spacecraft Coordinate System during this survey 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 Electron Tensor Moment Pressure Electron Pressure Tensor, GSE MMS1 FPI/DES electron pressure tensor in GSE during this survey 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 Electron Tensor Moment Pressure Electron Pressure Tensor, Error MMS1 FPI/DES electron pressure tensor error during this survey The Error can be applied to Data expressed by using either DBCS or GSE Coordinates nPa 1.0e-9>Pa Cartesian GSE Electron Tensor Moment Uncertainty Pressure Electron Temperature Tensor, DBCS MMS1 FPI/DES electron temperature tensor in De-spun Body Spacecraft Coordinate System during this survey 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 Electron Tensor Moment Temperature Electron Temperature Tensor, GSE MMS1 FPI/DES electron temperature tensor in GSE during this survey 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 Electron Tensor Moment Temperature Electron Temperature Tensor, Error, DBCS MMS1 FPI/DES electron temperature tensor error during this survey The Error can be applied to Data expressed by using either DBCS or GSE Coordinates eV 1.602176565e-19>J Electron Tensor Moment Uncertainty Temperature Electron Heat Flux Vector, DBCS MMS1 FPI/DES electron heat-flux vector in DBCS during this survey mW/m^2 1.0e-3>W/m^2 Cartesian GSE Electron Vector Moment HeatFlux Electron Heat Flux Vector, GSE MMS1 FPI/DES electron heat-flux vector in GSE during this survey mW/m^2 1.0e-3>W/m^2 Cartesian GSE Electron Vector Moment HeatFlux Electron Heat Flux Error Vector MMS1 FPI/DES electron heat-flux error vector during this survey 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 Electron Vector Moment Uncertainty HeatFlux Electron Sky Map Pitch Angle, Alpha MMS1 FPI/DES fast survey sky-map pitch angles Pitch Angles Angles used in Pitch Angle Spectrograms (Bent Pipe Field) ° 0.0174532925>rad DirectionAngle.PolarAngle Positional Electron Sky Map Pitch Angle, Alpha, Delta Value MMS1 FPI/DES fast survey sky-map pitch angle deltas ° 0.0174532925>rad DirectionAngle.PolarAngle Positional Electron Sky Map Energy MMS1 FPI/DES fast survey sky-map energies eV 1.602176565e-19>J Electron Array Energy Electron Sky Map Energy, Delta Value MMS1 FPI/DES fast survey sky-map delta energies 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 Electron Array Energy Electron Parallel Temperature MMS1 FPI/DES electron parallel temperature during this BP eV 1.602176565e-19>J Electron Parallel FieldAligned Scalar Temperature Electron Perpendicular Temperature MMS1 FPI/DES electron perpendicular temperature during this BP eV 1.602176565e-19>J Electron Perpendicular Scalar Temperature