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Title: Calibration of Scanning Sky Monitor (SSM) onboard AstroSat
Authors: Sarwade, Abhilash R.
Ramadevi, M. C.
Ravishankar, B. T.
Singh, Brajpal
Baby, Blessy Elizabeth
Bhattacharya, Dipankar
Seetha, S.
Keywords: Proportional counter
position sensitive X-ray detector
sky monitor
X-ray sky
X-ray transient.
Issue Date: Jul-2021
Publisher: Springer for Indian Academy of Sciences
Citation: Jorunal of Astrophysics and Astronomy, 2021, Vol. 42, p70
Abstract: 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 sky and 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.
Description: Open-access - from Indian Academy of Sciences, Bengaluru, India
ISSN: 0250-6335
0973-7758 (Online)
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Copyright: 2021 Indian Academy of Sciences, Bengaluru, India
Appears in Collections:Research Papers (A&A)

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