BackInstrument:  HIS (CHASE) 

Instrument details
Acronym HIS (CHASE)
Full name Hα imaging spectrograph
Purpose Acquire full-disk spectroscopic solar observations in the Hα waveband (linecenter at 6562.81 ˚A)
Short description
  • HIS can obtain two-dimensional (2D)spectral lines for the whole solar disk using the raster scanning mode in less than one minute, and then hundreds of images at different Hα and Fe I wavelengths can be recon-structed.
  • The frequences are Hα: 6562.8 ±2.5 ˚A, Fe I: 6569.2 ±0.8 ˚A
Background
  • New development
Scanning Technique
  • Raster scanning mode
Resolution 1 sec
Coverage / Cycle Solar disk in 60s
Mass Power Data Rate

 

Providing Agency CNSA
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2021 to 2024
Last update: 2026-10-26
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
  • Space radiometer or spectrometer
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 imager [from L1, GEO, LEO]
Mission objectives
Primary mission objectives
  • Solar H-alpha image
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.