2.3.2 spase://NASA/NumericalData/LANL/1989/MPA/PT86S LANL 1989 Magnetospheric Plasma Analyzer (MPA) at 87 sec Resolution in Spacecraft Coordinates LANL 046 MPA data 2021-04-27T15:38:11Z The LANL 1989-046 MPA data set contains various parameters in a variety of coordinates systems including GEI, spacecraft, polar geographic, and polar magnetic coordinates at about 87 s resolution. These parameters include universal time, denisty, velocity, and temperature for both low and high energy ions and electrons as well as position information and instrument status flags. Los Alamos National Laboratory; Dr. Michelle Thomsen; Dr. Michael G. Henderson spase://SMWG/Person/Michelle.F.Thomsen PrincipalInvestigator spase://SMWG/Person/Michael.G.Henderson GeneralContact spase://SMWG/Person/James.M.Weygand MetadataContact Los Alamos Nation Laboratory spacecraft Magnetospheric Plasma Analyzer https://agupubs.onlinelibrary.wiley.com/doi/10.1029/93JA00726 Journal of Geophysical Research Article on the LANL MPA instrument. spase://VSPO/NumericalData/P_LANL1989_HDR_MPA_86S spase://VMO/NumericalData/LANL/LANL1989/MPA/PT87S spase://VMO/NumericalData/LANL/1989/MPA/PT87S spase://VSPO/NumericalData/LANL/1989/MPA/PT86S spase://SMWG/Repository/NASA/GSFC/SPDF Online Open FTPS from SPDF (not with most browsers) ftps://spdf.gsfc.nasa.gov/pub/data/lanl/89_mpa/ HTTPS from SPDF https://spdf.gsfc.nasa.gov/pub/data/lanl/89_mpa/ In CDF via HTTP from CDAWeb CDAWeb https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=L9_K0_MPA&index=sp_phys L9_K0_MPA CDF LANL; Dr. Michelle Thomsen; Dr. Michael G. Henderson spase://SMWG/Repository/NASA/GSFC/SPDF Online Open CDAWeb HAPI Server https://cdaweb.gsfc.nasa.gov/hapi L9_K0_MPA Web Service to this product using the HAPI interface. CSV LANL; Dr. Michelle Thomsen; Dr. Michael G. Henderson Calibrated LANL 046 MPA Numerical Data spase://SMWG/Instrument/LANL/1989/MPA EnergeticParticles 1998-05-03T00:00:00 2008-01-03T23:59:59 Time format in data files is: day, month, year hour, min, seconds. Ex: '01-Jan-1981 00:00:00.000' PT87S Flags=-1.0e+31. The content of the LANL SOPA cdfs at CDAWeb has not been fully documented. 87 sec geosynchronus LANL Magnetospheric Plasma Analyzer MPA LANL 046 MPA Lower Edge Look Angles Theta_l The detector lower edge look angles for the MPA instrument. degrees lower look angle 0.0 180.0 0.0 180.0 -1.0000e+031 Scalar Other LANL 046 MPA Upper Edge Look Angles Theta_u The detector upper edge look angles for the MPA instrument. degrees upper look angle 0.0 180.0 0.0 180.0 -1.0000e+031 Scalar Other LANL 046 MPA Geometric Factor Times the Efficiency etimesg The geometric factor times the efficiency for the MPA instrument. cm^2 sr geo factor * eff 0.0 1.0 0.0 1.0 -1.0000e+031 Scalar Other LANL 046 MPA Center Energy Ions Values ecp The center energy for the ions values. eV center energy ions values 0.0 50000.0 0.0 50000.0 -1.0000e+031 Scalar Other LANL 046 MPA Center Energy Electron Values ece The center energy for the electron values. eV center energy electron values 0.0 50000.0 0.0 50000.0 -1.0000e+031 Scalar Other LANL 046 MPA Energy Dependent Efficiency Values for the Ions effecp The Energy dependent efficiency values for the ions. energy depend eff. ions values 0.0 50000.0 0.0 50000.0 -1.0000e+031 Scalar Other LANL 046 MPA Energy Dependent Efficiency Values for the Electrons effecp The Energy dependent efficiency values for the electrons. energy depend eff. electrons values 0.0 50000.0 0.0 50000.0 -1.0000e+031 Scalar Other LANL 046 MPA Time of proton collection Epoch This is the time of the proton data collection (electrons 21.5 seconds later). Universal Time in data cell: day, month, year hour, min, seconds. Ex: '01-Jan-1981 00:00:00.000'. Interval centered time tag ms 1.0e-3>s Epoch 01-08-1992T00:00:00.000 31-12-2020T23:59:59.000 -1.0000e+031 Temporal LANL 046 MPA Universal Time of Recorc Uthours This is the universal time of data collection. Interval centered time tag hours UT hours 0.0 24.0 0 24 -1.0000e+031 Temporal LANL 046 MPA Invalid mainframes Inval_mf The invalid mainframe counts. Invalid mainframes 0.0 2147483640 0.0 2147483640 -2147483648 Scalar Other LANL 046 MPA Spacecraft Position, Geographic x,y,z location xyzgeo LANL 046 spacecraft position, geographic coordinates (x,y,z). km Cartesian GEO 3 Geographic Coordinates. Radius Magnitude 1 Latitude DirectionAngle.ElevationAngle 2 Longitude DirectionAngle.AzimuthAngle 3 -1.0e+10 1.0e+10 -1.0000e+031 Vector Positional LANL 046 MPA Background Count Rate 6P and 6E backgrd Background Count Rate of 6P's and 6E's. The meaning of this parameter is unclear. cnts/9ms background counts 0.1 1000.0 0.0 1000.0 -1.0000e+031 Scalar Other LANL 046 MPA Spacecraft Potential Poten LANL spacecraft potential in units of volts. volts s/c poten. -10000.0 0.0 -20000. 0.0 -1.0000e+031 Scalar Potential LANL 046 MPA Data Quality Flag Flags Data quality flag. Qual flags 0 2147483640 0 2147483640 -2147483648 Scalar Other LANL 046 MPA Azimuthal Angle Ions Azanglp MPA ions azimuthal angle from the north. degrees Azimuth angle for ions 0 360 0 360 -1.0000e+031 Ion Array ArrivalDirection LANL 046 MPA Azimuthal Angle electrons Azangle MPA electrons azimuthal angle from the north. degrees Azimuth angle for electrons 0 360 0 360 -1.0000e+031 Electron Array ArrivalDirection LANL 046 MPA Background-corrected Ion Counts Pcounts Background corrected ion counts. counts per 9ms Ion counts 0.1 1.0e+10 0.0 1.0e+10 -1.0000e+031 Scalar Other LANL 046 MPA Background-corrected Electron Counts Ecounts Background corrected electron counts. counts per 9ms Electron counts 0.1 1.0e+10 0.0 1.0e+10 -1.0000e+031 Scalar Other LANL 046 MPA Partial Density of Low Energy Ions dens_lop MPA partial density of low energy ions. cm^-3 1.0e6>m^-3 low p dens 0.1 1000.0 0.0 100000.0 -1.0000e+031 Ion Scalar NumberDensity LANL 046 MPA Velocity Vector Low-Enery Ions vel_lop MPA velocity vector low-enery Ions in spacecraft Coordinates in units of km/s. km/s 1.0e3>m s^-1 Cartesian SC -200 200 3 VX Component.I 1 VY Component.J 2 VZ Component.K 3 -2000 2000 -1.0000e+031 Ion Vector Velocity LANL 046 MPA Partial Density high-Energy Electrons dens_hip MPA partial density of high energy electrons. elec dens 0.01 100.0 0.0 100000.0 -1.0000e+031 Electron Scalar NumberDensity LANL 046 MPA Temperature High-E Ions temp_hip MPA temperature of high energy ions. eV high p temp 100 50000.0 2 Temp Parallel Component.I 1 Temp Perpendicular Component.J 2 0.0 50000.0 -1.0000e+031 Ion Vector Temperature LANL 046 MPA Polar, Azimuthal Angle High-E Proton Symmetry Axis theta_phi_hip MPA proton symmetry axis: polar angle relative to Earth direction, azimuthal angle from the north. deg Spherical SC 2 Polar Angle DirectionAngle.PolarAngle 1 degrees 0 180 Azimuthal Angle DirectionAngle.AzimuthAngle 2 degrees -90 90 -1.0000e+031 Ion Array ArrivalDirection 0.13 45 keV/e LANL 046 MPA Partial Density Electrons dens_e MPA partial density of electrons. # cm^-3 elec dens 0.01 100.0 0.0 100000.0 -1.0000e+031 Electron Scalar NumberDensity LANL 046 MPA Temperature Electrons temp_e MPA temperature of electrons. eV Temperature electrons 100 50000.0 2 Temp Parallel Component.I 1 Temp Perpendicular Component.J 2 0.0 50000.0 -1.0000e+031 Electron Vector Temperature LANL 046 MPA Polar, Azimuthal Angle Electron Symmetry Axis thetaphi_e MPA electron symmetry axis: polar angle relative to Earth direction, azimuthal angle from the north. Spherical SC 2 Polar Angle DirectionAngle.PolarAngle 1 degrees 0 180 Azimuthal Angle DirectionAngle.AzimuthAngle 2 degrees -90 90 -1.0000e+031 Electron Array ArrivalDirection