Calibration of Scanning Sky Monitor (SSM) onboard AstroSat
ABHILASH R. SARWADE M. C. RAMADEVI B. T. RAVISHANKAR BRAJPAL SINGH BLESSY ELIZABETH BABY DIPANKAR BHATTACHARYA S. SEETHA
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SSM onboard AstroSat is designed to monitor X-ray sky in the energy range 2.5–10 keV to detect and locate X-ray sources in outburst. SSM with its three almost identical 1D-proportional counters mounted on a rotating platform, scans the sky in step and stare mode of operation. It observes the X-ray skyand generates light curves for X-ray sources detected. Here, we discuss the positional calibration to carry out imaging with SSM. Onboard calibration of SSM has been carried out with Crab, the standard X-ray source. SSM observations of Crab are compared with that of MAXI on ISS for cross calibration of the instrument.
ABHILASH R. SARWADE1 M. C. RAMADEVI1 B. T. RAVISHANKAR1 BRAJPAL SINGH1 BLESSY ELIZABETH BABY1 DIPANKAR BHATTACHARYA2 S. SEETHA3
Volume 44, 2023
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