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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