Hot Plasma Composition Analyzer (HPCA) Moments, Level 2, Burst Survey, 10 s Data. The MMS HPCA instruments measure the energy and composition of magnetospheric plasmas in the energy range from 1 eV to 40 keV. An electrostatic energy analyzer (ESA) that is optically coupled to a carbon-foil based Time-of-Flight (TOF) section comprises each HPCA. The basic HPCA data product is an array of counts for 5 ion species, at 63 energies, for each of 16 elevation anodes. Sixteen basic products, also called azimuths, are acquired every 10 s; half a spacecraft spin period nominally has 16 azimuths. The five ion species are protons (H+), alpha particles (He++), helium ions (He+), singly charged Oxygen (O+), and background counts.
Version:2.2.6
Hot Plasma Composition Analyzer (HPCA) Moments, Level 2, Burst Survey, 10 s Data. The MMS HPCA instruments measure the energy and composition of magnetospheric plasmas in the energy range from 1 eV to 40 keV. An electrostatic energy analyzer (ESA) that is optically coupled to a carbon-foil based Time-of-Flight (TOF) section comprises each HPCA. The basic HPCA data product is an array of counts for 5 ion species, at 63 energies, for each of 16 elevation anodes. Sixteen basic products, also called azimuths, are acquired every 10 s; half a spacecraft spin period nominally has 16 azimuths. The five ion species are protons (H+), alpha particles (He++), helium ions (He+), singly charged Oxygen (O+), and background counts.
| Role | Person | |
|---|---|---|
| 1. | PrincipalInvestigator | spase://SMWG/Person/James.L.Burch |
| 2. | PrincipalInvestigator | spase://SMWG/Person/Stephen.A.Fuselier |
| 3. | MetadataContact | spase://SMWG/Person/Robert.E.McGuire |
| 4. | MetadataContact | spase://SMWG/Person/Lee.Frost.Bargatze |
The Magnetospheric Multiscale (MMS) Mission Home Page hosted by the Goddard Space Flight Center (GSFC).
The Magnetospheric Multiscale (MMS) Scientific Investigation home page. The MMS Scientific Investigation is called Solving Magnetospheric Acceleration, Reconnection, and Turbulence (SMART). The web page is hosted by the Southwest Research Institute (SwRI).
The Magnetospheric Multiscale (MMS) Mission home page hosted by the Laboratory of Atmospheric and Space Physics, Science Data Center (LASP, SDC) at the University of Colorado, Boulder.
The Magnetospheric Multiscale (MMS) Instrument Payload home page. The web page is hosted by the Southwest Research Institute (SwRI).
In CDF via ftp from SPDF.
In CDF via http from SPDF.
Access to ASCII, CDF, and plots via NASA/GSFC CDAWeb
Start Time for the Spin
Delta Start Time for the Record from the Central Time
Delta Stop Time for the Record from the Central Time
Spin Number for each HPCA Half-Spin
Electron Voltage associated with the Ion Counts
Sweep Table Index as defined in the HPCA Science Algorithm Document
Science Mode Value as defined in the HPCA Science Algorithm Document
Number Density Hydrogen+ for each HPCA Half-Spin
Ion Bulk Velocity Hydrogen+ for each HPCA Half-Spin
Scalar Temperature Hydrogen+ for each HPCA Half-Spin
Ion Pressure Tensor Hydrogen+ for each HPCA Half-Spin
Ion Temperature Tensor Hydrogen+ for each HPCA Half-Spin
Number Density Helium+ for each HPCA Half-Spin
Ion Bulk Velocity Helium+ for each HPCA Half-Spin
Scalar Temperature Helium+ for each HPCA Half-Spin
Ion Pressure Tensor Helium+ for each HPCA Half-Spin
Ion Temperature Tensor Helium+ for each HPCA Half-Spin
Number Density Helium++ for each HPCA Half-Spin
Ion Bulk Velocity Helium++ for each HPCA Half-Spin
Scalar Temperature Helium++ for each HPCA Half-Spin
Ion Pressure Tensor Helium++ for each HPCA Half-Spin
Ion Temperature Tensor Helium++ for each HPCA Half-Spin
Number Density Oxygen+ for each HPCA Half-Spin
Ion Bulk Velocity Oxygen+ for each HPCA Half-Spin
Scalar Temperature Oxygen+ for each HPCA Half-Spin
Ion Pressure Tensor Oxygen+ for each HPCA Half-Spin
Ion Temperature Tensor Oxygen+ for each HPCA Half-Spin
Magnetic Field Vector in Despun Major Principal Axis-Aligned (DMPA) Cartesian Coordinates plus Btotal (8 or 16 samples/s) for each HPCA Half-Spin
Magnetic Field Vector in Geocentric Solar Magnetospheric (GSM) Cartesian Coordinates plus Btotal (8 or 16 samples/s) for each HPCA Half-Spin
Bulk Velocity in GSM for Hydrogen+ for each HPCA Half-Spin
Tperp Hydrogen+ for each HPCA Half-Spin
Tparallel Hydrogen+ for each HPCA Half-Spin
Vperp Vector plus Magnitude for Hydrogen+ for each HPCA Half-Spin
Vparallel Vector plus Magnitude for Hydrogen+ for each HPCA Half-Spin
Vperp Vector plus Magnitude in GSM for Hydrogen+ for each HPCA Half-Spin
Vparallel Vector plus Magnitude in GSM for Hydrogen+ for each HPCA Half-Spin
Bulk Velocity in GSM for Helium+ for each HPCA Half-Spin
Tperp Helium+ for each HPCA Half-Spin
Tparallel Helium+ for each HPCA Half-Spin
Vperp Vector plus Magnitude for Helium+ for each HPCA Half-Spin
Vparallel Vector plus Magnitude for Helium+ for each HPCA Half-Spin
Vperp Vector plus Magnitude in GSM for Helium+ for each HPCA Half-Spin
Vparallel Vector plus Magnitude in GSM for Helium+ for each HPCA Half-Spin
Bulk Velocity in GSM for Helium++ for each HPCA Half-Spin
Tperp Helium++ for each HPCA Half-Spin
Tparallel Helium++ for each HPCA Half-Spin
Vperp Vector plus Magnitude for Helium++ for each HPCA Half-Spin
Vparallel Vector plus Magnitude for Helium++ for each HPCA Half-Spin
Vperp Vector plus Magnitude in GSM for Helium++ for each HPCA Half-Spin
Vparallel Vector plus Magnitude in GSM for Helium++ for each HPCA Half-Spin
Bulk Velocity in GSM for Oxygen+ for each HPCA Half-Spin
Tperp Oxygen+ for each HPCA Half-Spin
Tparallel Oxygen+ for each HPCA Half-Spin
Vperp Vector plus Magnitude for Oxygen+ for each HPCA Half-Spin
Vparallel Vector plus Magnitude for Oxygen+ for each HPCA Half-Spin
Vperp Vector plus Magnitude in GSM for Oxygen+ for each HPCA Half-Spin
Vparallel Vector plus Magnitude in GSM for Oxygen+ for each HPCA Half-Spin