Calibration of Scanning Sky Monitor (SSM) onboard AstroSat

被引：0
|
作者：
Sarwade, Abhilash R. [1 ]
Ramadevi, M. C. [1 ]
Ravishankar, B. T. [1 ]
Singh, Brajpal [1 ]
Baby, Blessy Elizabeth [1 ]
Bhattacharya, Dipankar [2 ]
Seetha, S. [3 ]
机构：
[1] UR Rao Satellite Ctr, Space Astron Grp, ISITE Campus,Outer Ring Rd, Marathahalli 560037, Bengaluru, India
[2] Interuniv Ctr Astron & Astrophys, Pune 411007, Maharashtra, India
[3] Raman Res Inst, Dept Astron & Astrophys, Sadashivanagar 560080, Bengaluru, India
来源：
JOURNAL OF ASTROPHYSICS AND ASTRONOMY | 2021年 / 42卷 / 02期
关键词：
Proportional counter; position sensitive X-ray detector; sky monitor; X-ray sky; coded-mask; X-ray transient;
D O I：
10.1007/s12036-021-09765-9
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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.
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页数：8
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