2016年IOAA理论第12题-Astrosat(Discarded)
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英文题目
(T12) AstroSat
India astronomy satellite, AstroSat, launched in September 2015, has five different instruments.
In this question, we will discuss three of these instruments (SXT, LAXPC, CZTI), which point in the same direction and observe in X-ray wavelengths. The details of these instruments are given in the table below.
| Instrument | Band [keV] | Collecting Area [m2 ] | Effective Photon Detection Efficiency | Saturation level [counts] | No. of Pixels |
|---|---|---|---|---|---|
| SXT | 0.3-80 | 0.067 | 60% | 1500(total) | 512x512 |
| LAXPC | 3-80 | 1.5 | 40% | 50000 (in any one counter) or 200000 (total) | --- |
| CZTI | 10-150 | 0.09 | 50% | --- | 4 x 4096 |
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