2.3.2 spase://NASA/NumericalData/THEMIS/E/EFI/PT3S THEMIS-E (P4), Electric Field Instrument (EFI) Spacecraft measured Electric Field 2021-04-27T15:38:11Z THEMIS-E: Electric Field Instrument, EFI, Electric Field Measurements. The L2 Product is a 3D Estimate of the perpnedicular Electric Field, Eperp, derived from the Spin Plane E-Field Measurements assuming E ⋅ B = 0, using relevant Flux-Gate Magnetometer, FGM, Data. This Data Product includes Spin-Averaged, and Fast Survey Field Data. The Spin-Averaged Data, EFS_DOT0, has approximately 3 s Time Resolution. Fast Survey, EFF_DOT0, Data has 0.125 s Time Resolution. V. Angelopoulos, J. Bonnell, F. Mozer, NASA Contract NAS5-02099. Open Data for Scientific Use. spase://SMWG/Person/Vassilis.Angelopoulos PrincipalInvestigator spase://SMWG/Person/John.W.Bonnell PrincipalInvestigator spase://SMWG/Person/Forrest.S.Mozer PrincipalInvestigator spase://SMWG/Person/Robert.E.McGuire MetadataContact spase://SMWG/Person/Lee.Frost.Bargatze MetadataContact THEMIS EFI Instrument Description http://themis.ssl.berkeley.edu/instrument_efi.shtml THEMIS Electric Field Instrument, EFI, Instrument Description with Links to Information concerning Data Modes, Data Products, and Caveats THEMIS EFI Processing History http://themis.ssl.berkeley.edu/efi_proc_history.shtml THEMIS Electric Field Instrument, EFI, Processing History with a Link To Data Variable Descriptions THEMIS Project Home Page http://themis.ssl.berkeley.edu/index.shtml THEMIS Project Home Page THEMIS Rules of the Road http://themis.ssl.berkeley.edu/roadrules.shtml THEMIS Rules of the Road, Details on the THEMIS Data Policy and on Publication Citation spase://VMO/NumericalData/THEMIS/E/EFI/PT3S spase://VSPO/NumericalData/THEMIS/E/EFI/PT3S spase://SMWG/Repository/NASA/GSFC/SPDF Online Open FTPS from SPDF (not with most browsers) ftps://spdf.gsfc.nasa.gov/pub/data/themis/the/l2/efi/ Access to Data in CDF Format via ftp from SPDF HTTPS from SPDF https://spdf.gsfc.nasa.gov/pub/data/themis/the/l2/efi/ Access to Data in CDF Format via http from SPDF CDAWeb https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=THE_L2_EFI&index=sp_phys THE_L2_EFI Access to ASCII, CDF, and plots via NASA/GSFC CDAWeb CDF None V. Angelopoulos, J. Bonnell, F. Mozer, NASA Contract NAS5-02099. Open Data for Scientific Use. Please acknowledge the data providers and CDAWeb when using these data. spase://SMWG/Repository/NASA/GSFC/SPDF Online Open CDAWeb HAPI Server https://cdaweb.gsfc.nasa.gov/hapi THE_L2_EFI@0 THE_L2_EFI@1 THE_L2_EFI@2 THE_L2_EFI@3 THE_L2_EFI@4 THE_L2_EFI@5 Web Service to this product using the HAPI interface. CSV V. Angelopoulos, J. Bonnell, F. Mozer, NASA Contract NAS5-02099. Open Data for Scientific Use. Please acknowledge the data providers and CDAWeb when using these data. spase://SMWG/Repository/UCB/THEMIS Online Open THEMIS EFI data at University of California, Berkeley http://themis.ssl.berkeley.edu/data/themis/the/l2/efi/ CDF data files for download, organized by date. CDF None Calibrated Level 2 spase://SMWG/Instrument/THEMIS/E/EFI ElectricField 2007-02-24T00:00:00.000 -P7D PT3S Earth.Magnetosphere Earth.Magnetosphere.Magnetotail Earth.Magnetosphere.Main Earth.Magnetosphere.RadiationBelt Earth.Magnetosheath Heliosphere.NearEarth Measurements on the Axial booms, 5 & 6, may have large Errors due to their Proximity to the Spacecraft as the Axial Booms are much shorter than other Booms. The Spin Plane Booms for THEMIS were not deployed until January 14, 2008 at 1700 UT. Any EFI Measurements obtained prior to this Date and Time should not be used. See the THEMIS Website for more Information. Epoch for Electric Field, Slow Survey using E⋅B=0, 3 s the_efs_dot0_epoch Epoch for Electric Field Vector, Slow Survey using E⋅B=0, 3 s Data This parameter is virtual. It is calculated by calling the function COMP_THEMIS_EPOCH with the following input parameters: the_efs_dot0_epoch0, the_efs_dot0_time. PT3S UT 5.99582e+13 6.63012e+13 -1.0e+31 Temporal Electric Field, Slow Survey using E⋅B=0, GSE XYZ, 3 s Time series defined by using: THE_EFS_DOT0_EPOCH the_efs_dot0_gse Electric Field Vector, Slow Survey using E⋅B=0, Geocentric Solar Ecliptic, GSE, Cartesian Coordinates, 3 s Data Units are in mV/m Average Type: standard PT3S mV/m 1e-3>V/m Cartesian GSE TimeSeries E13.6 3 Ex GSE EFS_dot0-E 1 1 Ey GSE EFS_dot0-E 2 2 Ez GSE EFS_dot0-E 3 3 -1000.0 1000.0 NaN Vector Electric Electric Field, Slow Survey using E⋅B=0, GSM XYZ, 3 s Time series defined by using: THE_EFS_DOT0_EPOCH the_efs_dot0_gsm Electric Field Vector, Slow Survey using E⋅B=0, Geocentric Solar Magnetospheric, GSM, Cartesian Coordinates, 3 s Data Units are in mV/m Average Type: standard PT3S mV/m 1e-3>V/m Cartesian GSM TimeSeries E13.6 3 Ex GSM EFS_dot0-E 1 1 Ey GSM EFS_dot0-E 2 2 Ez GSM EFS_dot0-E 3 3 -1000.0 1000.0 NaN Vector Electric Electric Field, Slow Survey using E⋅B=0, DSL XYZ, 3 s Time series defined by using: THE_EFS_DOT0_EPOCH the_efs_dot0_dsl Electric Field Vector, Slow Survey using E⋅B=0, Despun Spacecraft, DSL, Cartesian Coordinates, 3 s Data Units are in mV/m Average Type: standard PT3S mV/m 1e-3>V/m Cartesian SC TimeSeries E13.6 3 Ex DSL EFS_dot0-E 1 1 Ey DSL EFS_dot0-E 2 2 Ez DSL EFS_dot0-E 3 3 -1000.0 1000.0 NaN Vector Electric Epoch Time, UTC, for Electric Field, Slow Survey using E⋅B=0, 3 s the_efs_dot0_time Time, UTC, in Seconds since 1970-01-01, for Electric Field Vector, Slow Survey using E⋅B=0, 3 s Data Unleaped seconds PT3S s UT F12.8 0.0 5.0e+09 NaN Temporal Spin Plane Electric Field, Slow Survey Ground Spin-Fit, Magnitude Data Quality Parameter Time series defined by using: THE_EFS_Q_MAG_EPOCH the_efs_q_mag Spin Plane Electric Field, Slow Survey Ground Spin-Fit, Vector Magnitude Data Quality Parameter, set to Not a Number, NaN, as there is no Good Measure of Data Quality for Fast Survey No Units PT3S TimeSeries the_efs_q_mag E13.6 0.0 1000.0 NaN Other Epoch Time, UTC, for Spin Plane Electric Field, Slow Survey Ground Spin-Fit, Magnitude Data Quality Parameter, 3 s the_efs_q_mag_time Time, UTC, in Seconds since 1970-01-01, for Spin Plane Electric Field, Slow Survey Ground Spin-Fit, Vector Magnitude Data Quality Parameter, 3 s Data Unleaped seconds PT3S s UT F12.8 0.0 5.0e+09 NaN Temporal Epoch for Spin Plane Electric Field, Slow Survey Ground Spin-Fit, Magnitude Data Quality Parameter, 3 s the_efs_q_mag_epoch Epoch for Spin Plane Electric Field, Slow Survey Ground Spin-Fit, Vector Magnitude Data Quality Parameter, 3 s Data This parameter is virtual. It is calculated by calling the function COMP_THEMIS_EPOCH with the following input parameters: the_efs_dot0_epoch0, the_efs_q_mag_time. PT3S UT 5.99582e+13 6.63012e+13 -1.0e+31 Temporal Spin Plane Electric Field, Slow Survey Ground Spin-Fit, Phase Data Quality Parameter Time series defined by using: THE_EFS_Q_PHA_EPOCH the_efs_q_pha Spin Plane Electric Field, Slow Survey Ground Spin-Fit, Vector Phase Data Quality Parameter, set to Not a Number, NaN, as there is no Good Measure of Data Quality for Fast Survey No Units PT3S TimeSeries the_efs_q_pha E13.6 0.0 1000.0 NaN Other Epoch Time, UTC, for Spin Plane Electric Field, Slow Survey Ground Spin-Fit, Phase Data Quality Parameter, 3 s the_efs_q_pha_time Time, UTC, in Seconds since 1970-01-01, for Spin Plane Electric Field, Slow Survey Ground Spin-Fit, Vector Phase Data Quality Parameter, 3 s Data Unleaped seconds PT3S s UT F12.8 0.0 5.0e+09 NaN Temporal Epoch for Spin Plane Electric Field, Slow Survey Ground Spin-Fit, Phase Data Quality Parameter, 3 s the_efs_q_pha_epoch Epoch for Spin Plane Electric Field, Slow Survey Ground Spin-Fit, Vector Phase Data Quality Parameter, 3 s Data This parameter is virtual. It is calculated by calling the function COMP_THEMIS_EPOCH with the following input parameters: the_efs_dot0_epoch0, the_efs_q_pha_time. PT3S UT 5.99582e+13 6.63012e+13 -1.0e+31 Temporal Epoch0 for Electric Field, Slow Survey using E⋅B=0, 3 s the_efs_dot0_epoch0 Epoch0 for Electric Field Vector, Slow Survey using E⋅B=0 EPOCH of 01-Jan-1970 00:00:00 PT3S ms 1e-3>s timebase E13.6 5.99582e+13 6.63012e+13 -1.0e+31 Temporal Epoch for Electric Field, Fast Survey using E⋅B=0, 1/8 s the_eff_dot0_epoch Epoch for Electric Field Vector, Fast Survey using E⋅B=0, 1/8 s Data This parameter is virtual. It is calculated by calling the function COMP_THEMIS_EPOCH with the following input parameters: the_eff_dot0_epoch0, the_eff_dot0_time. PT3S UT 5.99582e+13 6.63012e+13 -1.0e+31 Temporal Electric Field, Fast Survey using E⋅B=0, GSE XYZ, 1/8 s Time series defined by using: THE_EFF_DOT0_EPOCH the_eff_dot0_gse Electric Field Vector, Fast Survey using E⋅B=0, Geocentric Solar Ecliptic, GSE, Cartesian Coordinates, 1/8 s Data Units are in mV/m Average Type: standard PT3S mV/m 1e-3>V/m Cartesian GSE TimeSeries E13.6 3 Ex GSE EFF_dot0-E 1 1 Ey GSE EFF_dot0-E 2 2 Ez GSE EFF_dot0-E 3 3 -1000.0 1000.0 NaN Vector Electric Electric Field, Fast Survey using E⋅B=0, GSM XYZ, 1/8 s Time series defined by using: THE_EFF_DOT0_EPOCH the_eff_dot0_gsm Electric Field Vector, Fast Survey using E⋅B=0, Geocentric Solar Magnetospheric, GSM, Cartesian Coordinates, 1/8 s Data Units are in mV/m Average Type: standard PT3S mV/m 1e-3>V/m Cartesian GSM TimeSeries E13.6 3 Ex GSM EFF_dot0-E 1 1 Ey GSM EFF_dot0-E 2 2 Ez GSM EFF_dot0-E 3 3 -1000.0 1000.0 NaN Vector Electric Electric Field, Fast Survey using E⋅B=0, DSL XYZ, 1/8 s Time series defined by using: THE_EFF_DOT0_EPOCH the_eff_dot0_dsl Electric Field Vector, Fast Survey using E⋅B=0, Despun Spacecraft, DSL, Cartesian Coordinates, 1/8 s Data Units are in mV/m Average Type: standard PT3S mV/m 1e-3>V/m Cartesian SC TimeSeries E13.6 3 Ex DSL EFF_dot0-E 1 1 Ey DSL EFF_dot0-E 2 2 Ez DSL EFF_dot0-E 3 3 -1000.0 1000.0 NaN Vector Electric Epoch Time, UTC, for Electric Field, Fast Survey using E⋅B=0, 1/8 s the_eff_dot0_time Time, UTC, in Seconds since 1970-01-01, for Electric Field Vector, Fast Survey using E⋅B=0, 1/8 s Data Unleaped seconds PT3S s UT F12.8 0.0 5.0e+09 NaN Temporal Spin Plane Electric Field, Fast Survey Ground Spin-Fit, Magnitude Data Quality Parameter Time series defined by using: THE_EFF_Q_MAG_EPOCH the_eff_q_mag Spin Plane Electric Field, Fast Survey Ground Spin-Fit, Vector Magnitude Data Quality Parameter, equal to the Spin-Fit Short Boom DC-Coupled E34 Channel Electric Field Magnitude divided by the Spin-Fit Long Boom DC-Coupled E12 Channel Electric Field Magnitude: Good Values are near 1.0 No Units PT3S TimeSeries the_eff_q_mag E13.6 0.0 1000.0 NaN Other Epoch Time, UTC, for Spin Plane Electric Field, Fast Survey Ground Spin-Fit, Magnitude Data Quality Parameter, 3 s the_eff_q_mag_time Time, UTC, in Seconds since 1970-01-01, for Spin Plane Electric Field, Fast Survey Ground Spin-Fit, Vector Magnitude Data Quality Parameter, 3 s Data Unleaped seconds PT3S s UT F12.8 0.0 5.0e+09 NaN Temporal Epoch for Spin Plane Electric Field, Fast Survey Ground Spin-Fit, Magnitude Data Quality Parameter, 3 s the_eff_q_mag_epoch Epoch for Spin Plane Electric Field, Fast Survey Ground Spin-Fit, Vector Magnitude Data Quality Parameter, 3 s Data This parameter is virtual. It is calculated by calling the function COMP_THEMIS_EPOCH with the following input parameters: the_eff_dot0_epoch0, the_eff_q_mag_time. PT3S UT 5.99582e+13 6.63012e+13 -1.0e+31 Temporal Spin Plane Electric Field, Fast Survey Ground Spin-Fit, Phase Data Quality Parameter Time series defined by using: THE_EFF_Q_PHA_EPOCH the_eff_q_pha Spin Plane Electric Field, Fast Survey Ground Spin-Fit, Vector Phase Data Quality Parameter, equal to the Cosine of the Angle between the Spin-Fit Short Boom DC-Coupled E34 Channel Electric Field Vector and the Spin-Fit Long Boom DC-Coupled E12 Channel Electric Field Vector, Good Values are near 1.0 No Units PT3S TimeSeries the_eff_q_pha E13.6 0.0 1000.0 NaN Other Epoch Time, UTC, for Spin Plane Electric Field, Fast Survey Ground Spin-Fit, Phase Data Quality Parameter, 3 s the_eff_q_pha_time Time, UTC, in Seconds since 1970-01-01, for Spin Plane Electric Field, Fast Survey Ground Spin-Fit, Vector Phase Data Quality Parameter, 3 s Data Unleaped seconds PT3S s UT F12.8 0.0 5.0e+09 NaN Temporal Epoch for Spin Plane Electric Field, Fast Survey Ground Spin-Fit, Phase Data Quality Parameter, 3 s the_eff_q_pha_epoch Epoch for Spin Plane Electric Field, Fast Survey Ground Spin-Fit, Vector Phase Data Quality Parameter, 3 s Data This parameter is virtual. It is calculated by calling the function COMP_THEMIS_EPOCH with the following input parameters: the_eff_dot0_epoch0, the_eff_q_pha_time. PT3S UT 5.99582e+13 6.63012e+13 -1.0e+31 Temporal Epoch for Spin Plane Electric Field, Fast Survey Ground Spin-Fit using E12, DSL XYZ the_eff_e12_efs_epoch Epoch for Spin Plane Electric Field Vector, Fast Survey Ground Spin-Fit using the Long Boom DC-Coupled E12 Channel, Despun Spacecraft, DSL, Cartesian Coordinates, 3 s This parameter is virtual. It is calculated by calling the function COMP_THEMIS_EPOCH with the following input parameters: the_eff_dot0_epoch0, the_eff_e12_efs_time. PT3S UT 5.99582e+13 6.63012e+13 -1.0e+31 Temporal Spin Plane Electric Field, Fast Survey Ground Spin-Fit using E12, DSL XYZ, 3 s Time series defined by using: THE_EFF_E12_EFS_EPOCH the_eff_e12_efs Spin Plane Electric Field Vector, Fast Survey Ground Spin-Fit using the Long Boom DC-Coupled E12 Channel, Despun Spacecraft, DSL, Cartesian Coordinates, 3 s Data Units are in mV/m, Z, non-spin plane, component is NaN Average Type: standard PT3S mV/m 1e-3>V/m Cartesian SR2 TimeSeries E13.6 3 Ex DSL EFF_E12_EFS-E 1 1 Ey DSL EFF_E12_EFS-E 2 2 Ez DSL EFF_E12_EFS-E 3 3 -1000.0 1000.0 NaN Magnitude Electric Epoch Time, UTC, for Spin Plane Electric Field, Fast Survey Ground Spin-Fit using E12, DSL XYZ, 3 s the_eff_e12_efs_time Time, UTC, in Seconds since 1970-01-01, for Spin Plane Electric Field Vector, Fast Survey Ground Spin-Fit using the Long Boom DC-Coupled E12 Channel, Despun Spacecraft, DSL, Cartesian Coordinates, 3 s Data Unleaped seconds PT3S s UT F12.8 0.0 5.0e+09 NaN Temporal Epoch for Spin Plane Electric Field, Fast Survey Ground Spin-Fit using E34, DSL XYZ the_eff_e34_efs_epoch Epoch for Spin Plane Electric Field Vector, Fast Survey Ground Spin-Fit using the Short Boom DC-Coupled E34 Channel, Despun Spacecraft, DSL, Cartesian Coordinates, 3 s This parameter is virtual. It is calculated by calling the function COMP_THEMIS_EPOCH with the following input parameters: the_eff_dot0_epoch0, the_eff_e34_efs_time. PT3S UT 5.99582e+13 6.63012e+13 -1.0e+31 Temporal Spin Plane Electric Field, Fast Survey Ground Spin-Fit using E34, DSL XYZ, 3 s Time series defined by using: THE_EFF_E34_EFS_EPOCH the_eff_e34_efs Spin Plane Electric Field Vector, Fast Survey Ground Spin-Fit using the Short Boom DC-Coupled E34 Channel, Despun Spacecraft, DSL, Cartesian Coordinates, 3 s Data Units are in mV/m, Z, non-spin plane, component is NaN Average Type: standard PT3S mV/m 1e-3>V/m Cartesian SR2 TimeSeries E13.6 3 Ex DSL EFF_E34_EFS-E 1 1 Ey DSL EFF_E34_EFS-E 2 2 Ez DSL EFF_E34_EFS-E 3 3 -1000.0 1000.0 NaN Magnitude Electric Epoch Time, UTC, for Spin Plane Electric Field, Fast Survey Ground Spin-Fit using E34, DSL XYZ, 3 s the_eff_e34_efs_time Time, UTC, in Seconds since 1970-01-01, for Spin Plane Electric Field Vector, Fast Survey Ground Spin-Fit using the Short Boom DC-Coupled E34 Channel, Despun Spacecraft, DSL, Cartesian Coordinates, 3 s Data Unleaped seconds PT3S s UT F12.8 0.0 5.0e+09 NaN Temporal Epoch0 for Electric Field, Fast Survey using E⋅B=0, 1/8 s the_eff_dot0_epoch0 Epoch0 for Electric Field Vector, Fast Survey using E⋅B=0 EPOCH of 01-Jan-1970 00:00:00 PT3S ms 1e-3>s timebase E13.6 5.99582e+13 6.63012e+13 -1.0e+31 Temporal Range Epoch range_epoch Range Epoch PT3S ms 1e-3>s UT 5.99582e+13 6.63012e+13 -1.0e+31 Temporal