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Instrument: HEL1OS
Instrument details
Acronym
HEL1OS
Full name
High Energy L1 Orbiting X-ray Spectrometer
Purpose
To observe the dynamic events in the solar corona and provide an estimate of the energy used to accelerate the particles during the eruptive events
Short description
X-ray spectrometer for the range 10-150 keV to cover the overlap between thermal and non-thermal components of a solar flare. Spectral resolution presumably around 10
Background
New development
Scanning Technique
Sun pointing including the corona, with a 3° FOV
Resolution
3° FOV
Coverage / Cycle
Continuous from the L1 Lagrange libration point
Mass
Power
Data Rate
Providing Agency
ISRO
Instrument Maturity
Flown on an R&D satellite
Utilization Period:
≥2022 to ≥2027
Last update:
2021-12-02
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 Solar activity monitor
WIGOS Subcomponents
Subcomponent 2 Solar X-ray spectrometer [from L1, GEO, LEO]
Mission objectives
Tentative 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
Variable Relevance for measuring this variable Operational limitations Explanation
Solar X-ray flux spectrum 3 - high No specific limitation. Coarse spectral resolution, wide dynamic range, disc and corona view included