|
Latest News
|
|
Written by Tom Narock
|
|
Thursday, 02 October 2008 |
|
POLAR TIMAS H2 data have been added to complement the existing K1 and H0 data sets from TIMAS. The new H2 data product contains H+, O+, He+ and He++ upflowing fluxes and statistical uncertainties processed by the TIMAS science team.
|
|
Last Updated ( Thursday, 02 October 2008 )
|
|
|
Latest News
|
|
Written by Tom Narock
|
|
Thursday, 11 September 2008 |
THEMIS On-Board Fits data for all 5 spacecraft have been added to the VMO relational search.
Brief overview of the dataset:
On Board spin fits of Electric (EFI) and Magnetic (FGM) fields. The files contain data from EFI and FGM that has been despun on-board to 3 second resolution. It stores meta information like the number of points that contributed to each spin and the standard deviation of those points. For the EFI data it also stores variables with the Z component of the EFI data zeroed and the Z component of the EFI estimated using the E.B=0 equality. The need to use an estimated Z axis for the EFI is due to error in measurements from the EFI axial booms. These data are provided in DSL (despun spacecraft L-Z vector), GSM, and GSE coordinates.
|
|
|
Latest News
|
|
Written by Tom Narock
|
|
Monday, 08 September 2008 |
|
278 Ground Magnetometers have now been added to the VMO relational search.
|
|
|
Latest News
|
|
Written by Tom Narock
|
|
Friday, 15 August 2008 |
|
THEMIS ESA has been added to the data products available through the relational data search interface. This product is now available for all 5 THEMIS spacecraft.
THEMIS Electrostatic Analyzers (ESA) Overview:
Electron/Ion Ground-Calculated Energy Fluxes (5eV - 25 keV for Ions and 6eV - 30 KeV for Electrons) and Moments (density, velocity, pressure, and temperature). The satellite has 2 modes Fast and Slow survey and 3 data types: FULL, REDUCED and BURST. FULL: 88 angles x 32 energies, time resolution of 128 spins(395 seconds) in slow survey and 32 spins(98 seconds) in fast survey. REDUCED: spin time resolution(3 sec) but angles averaged into 1 angular spectra x 32 energies in slow survey or 6 angular spectra(90 degree x 90 degree window) x 32 energies in fast survey. BURST: 88 angles x 32 energies and spin time resolution(3 sec) but only available sporadically and for short duration. Note that angular resolution affects moments since they are obtained integrating over the mode-specific angular distribution. These moments are processed on the ground. They should be regarded as approximations but will improve in quality as our processing routines are improved over the course of the mission to account for additional sources of variance.
|
|
|
Latest News
|
|
Written by Jan Merka
|
|
Wednesday, 13 August 2008 |
|
Two additional data products become available through the relational data search interface: The POLAR TIMAS H0 high-resolution and K1 key parameter data.
The POLAR TIMAS H0 High-resolution data product provides mass resolved ion energy angle spectra covering nearly the full 4pi solid angle and the energy range 15 eV/q to 33 eV/q. H+, O+, He+ and He++ number fluxes and statistical uncertainties processed by the TIMAS science team. The H0 product combines data acquired with various angular and energy resolutions.
The POLAR TIMAS K1 Key Parameter data product offers H+, O+, He+ and He++ number fluxes for survey purposes only.
|
|
Last Updated ( Thursday, 02 October 2008 )
|
|
|
|
<< Start < Prev 1 2 3 4 5 Next > End >>
|
| Results 10 - 18 of 44 |