SOXS

Solar X-Ray Spectrometer, or SOXS, was an experimental payload launched onboard Indian geostationary satellite GSAT-2 by the Indian Space Research Organisation, ISRO. SOXS collected data about X-ray emissions from solar flares with high energy and temporal resolutions.^[1]

Features

X-Ray Spectrometer (SOXS) was flown onboard GSAT-2 on 8-May-2003.
SOXS employs Si and CZT semiconductor devices, which are extremely high resolution and low noise detectors.
Detector package is mounted on a Sun Pointing Mechanism with tracking accuracy better than 0.1 degree.
Pulse Height (PHA) measurements in 256 channels.
System Dead Time- 16 microseconds for Si Pin and 13 microseconds for CZT.
Energy window counters.
On board calibration using Cd109 Radio isotope.
System Health Parameters Monitoring.
Onboard selection for Background Rejection (LLD/Threshold).
In view of Temperature sensitivity of the detectors, observational interval is < 3 Hrs starting from 04:00 to 06:45 UT.
Block Schematics of SLD Payload (SLED, SFE, SLE and SCE)
SSTM Daily Tracking (0 to 189 degrees)^[2]

↑ "SOXS Instruments" (PDF). Shodhganga. Retrieved 1 March 2013.
↑ and L. Bharti, R. Jain, N. J. Bhatt. "Solar X-ray Spectrometer (SOXS) mission:Observations and new results" (PDF). nasa.gov. NASA. Retrieved 1 March 2013.

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