Early In-orbit Performance of Scanning Sky Monitor Onboard AstroSat

被引：10

作者：

Ramadevi, M. C. ^{[1
]}

Ravishankar, B. T. ^{[1
]}

Sitaramamurthy, N. ^{[1
]}

Meena, G. ^{[1
]}

Singh, Brajpal ^{[1
]}

Jain, Anand ^{[1
]}

Yadav, Reena ^{[1
]}

Agarwal, Anil ^{[1
]}

Babu, V. Chandra ^{[1
]}

Kumar ^{[1
]}

Kushwaha, Ankur ^{[1
]}

Vaishali, S. ^{[1
]}

Iyer, Nirmal Kumar ^{[1
]}

Nandi, Anuj ^{[1
]}

Girish, V. ^{[1
]}

Agarwal, Vivek Kumar ^{[1
]}

Seetha, S. ^{[2
]}

Bhattacharya, Dipankar ^{[3
]}

Balaji, K. ^{[1
]}

Kumar, Manoj ^{[1
]}

Kulshresta, Prashanth ^{[1
]}

机构：

[1] ISRO, Satellite Ctr, Space Astron Grp, Bangalore 560017, Karnataka, India

[2] ISRO Headquarters, Bangalore 560231, Karnataka, India

[3] Inter Univ Ctr Astron & Astrophys, Pune 411007, Maharashtra, India

来源：

JOURNAL OF ASTROPHYSICS AND ASTRONOMY | 2017年 / 38卷 / 02期

关键词：

X-ray sky monitor; 1D position sensitive proportional counter; coded mask; AstroSat; X-ray transients; CALIBRATION;

D O I：

10.1007/s12036-017-9454-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the in-orbit performance of Scanning Sky Monitor (SSM) onboard AstroSat. The SSM operates in the energy range 2.5 to 10 keV and scans the sky to detect and locate transient X-ray sources. This information of any interesting phenomenon in theX-ray sky as observed by SSM is provided to the astronomical community for follow-up observations. Following the launch of AstroSat on 28th September, 2015, SSM was commissioned on October 12th, 2015. The first power ONof the instrumentwas with the standard X-ray source, Crab in the field-of-view. The first orbit data revealed the basic expected performance of one of the detectors of SSM, SSM1. Following this in the subsequent orbits, the other detectors were also powered ON to find them perform in good health. Quick checks of the data from the first few orbits revealed that the instrument performed with the expected angular resolution of 12' x 2.5. and effective area in the energy range of interest. This paper discusses the instrument aspects along with few on-board results immediately after power ON.

引用

页数：13

共 50 条

[1] Early In-orbit Performance of Scanning Sky Monitor Onboard AstroSat
M. C. Ramadevi
B. T. Ravishankar
N. Sitaramamurthy
G. Meena
Brajpal Singh
Anand Jain
Reena Yadav
Anil Agarwal
V. Chandra Babu
Ankur Kumar
S. Kushwaha
Nirmal Kumar Vaishali
Anuj Iyer
Girish Nandi
Vivek Kumar V.
S. Agarwal
Dipankar Seetha
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Manoj Balaji
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[J]. Journal of Astrophysics and Astronomy, 2017, 38
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