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Instrument details
Acronym
TESIS
Full name
Telescope-spectrometer for imaging solar spectroscopy in X-rays
Purpose
Full-disk imaging in the high temperature plasma of the transition region and corona
Short description
Full-disk imagery in the spectral bands of X-ray (0.1-1.2 nm, resolution 0.005 nm, and 0.841-0.842 nm, resolution 0.00002 nm/pixel); and EUV (13.1-13.2 nm, resolution 7 nm, and 29.5-31.5 nm, resolution 2 nm), including He-II at 30.4 nm
Background
Part of a package of instruments to monitor solar activity
Scanning Technique
Sun pointing from a near-polar LEO drifting orbit. Corona view included
Resolution
750 km (EUV) and 2200 km (X-ray) at the Sun surface
Coverage / Cycle
Full disk at about 1-s rate
Mass
74 kg
Power
Data Rate
Providing Agency
Roscosmos
Instrument Maturity
Flown on an R&D satellite
Utilization Period:
2009 to 2009-12-01
Last update:
2017-05-18
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
No WIGOS subcomponents have been defined.
Mission objectives
Primary mission objectives Solar EUV flux spectrum Solar EUV image Solar X-ray flux spectrum Solar X-ray image Opportunity objectives Solar coronagraphic image Show all Show fewer
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 1 - primary No specific limitation. High spectral resolution, wide dynamic range, disc and corona view included
Solar X-ray image 2 - very high No specific limitation. Spectrometry with coarse spatial resolution, corona view included
Solar EUV flux spectrum 4 - fair No specific limitation. Coarse spectral resolution, moderate dynamic range, solar disc and corona view included
Solar EUV image 1 - primary No specific limitation. Spectrometry with high spatial resolution, corona view included
Solar coronagraphic image 3 - high No specific limitation. X-rays (0.12-1200 keV)
Instrument: TESIS