“2016年IOAA理论第12题-Astrosat(Discarded)”的版本间的差异

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same direction and observe in X-ray wavelengths. The details of these instruments are given in the table
 
same direction and observe in X-ray wavelengths. The details of these instruments are given in the table
 
below.
 
below.
−
 
+
{| class="wikitable"
 +
|+
 +
!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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2019年9月11日 (三) 18:58的版本

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英文题目

(T12) AstroSat

India astronomy satellite, AstroSat, launched in September 2015, has five different instruments.

IOAA2016T12.jpg

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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