BackForwardInstrument:  SEISS/SGPS 

Instrument details
Acronym SEISS/SGPS
Full name SEISS / Solar and Galactic Proton Sensor
Purpose To measure high-energy protons at platform level
Short description Measuring protons in 10 logaritmically-spaced channels for energy 10-500 MeV, and integral flux for energy >500 Mev
Background Part of the SEISS (Space Environment In-Situ Suite) package
Scanning Technique N/A (in situ measurement in the platform environment)
Resolution N/A
Coverage / Cycle N/A
Mass 4.9 kg Power 5.1 W Data Rate

 

Providing Agency NASA
Instrument Maturity Flown on operational programme
Utilization Period: 2017 to 2040
Last update: 2021-10-02
Detailed characteristics
Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Solar and space environment monitors
  • Energetic particle spectrometer
WIGOS Subcomponents
  • Subcomponent 1
  • In-situ plasma probes, and energetic particle spectrometers and magnetometers at GEO and LEO, and magnetic field at GEO
  • Proton sensor at GEO
Mission objectives
Primary mission objectives
  • Proton differential directional flux
  • Proton integral directional flux
Evaluation of Measurements

The following list indicates which measurements can typically be retrieved from this category of instrument. To see a full Gap Analysis by Variable, click on the respective variable.

Note: table can be sorted by clicking on the column headers
Note: * Primary mission objective.
VariableRelevance for measuring this variableOperational limitationsExplanation
Proton integral directional flux*5 - marginalNo specific limitation.Platform environment, high energy (over 1000 keV)
Proton differential directional flux*5 - marginalNo specific limitation.Platform environment, high energy (over 1000 keV)