BackForwardInstrument:  HXRBS 

Instrument details
Acronym HXRBS
Full name Hard X-Ray Burst Spectrometer
Purpose To study hard X-ray spectra of solar flares on time scales as short as 10 ms
Short description Collimated X-ray spectrometer with two primary scintillation crystal components. Scintillation events in its actively collimated CsI(Na) detector are read out every 128 ms in fifteen energy channels between ~25 to ~500 keV
Background New development
Scanning Technique Sun pointing from a low-inclination LEO
Resolution N/A
Coverage / Cycle Full solar disk at 10 s intervals
Mass Power Data Rate


Providing Agency NASA
Instrument Maturity Flown on an R&D satellite
Utilization Period: 1980 to 1989
Last update: 2017-05-19
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
  • Solar activity monitor
WIGOS Subcomponents
  • Subcomponent 2
  • Solar magnetograph, solar EUV/X-ray imagery and EUV/X-ray irradiance, both on the Earth-Sun line and off the Earth-Sun line
  • Solar X-ray spectrometer [from L1, GEO, LEO]
Mission objectives
Primary mission objectives
  • Solar X-ray flux spectrum
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
Solar X-ray flux spectrum*1 - primaryNo specific limitation.High spectral resolution, wide dynamic range