2021-03-20
Name |
Fundamental Performance Parameters |
Site location |
Longitude:106°51' 24.0"E, latitude :25°39' 10.6"N, Altitude: 1110.0288 m |
Diameter of the spherical reflector |
500 m |
Illumination aperture |
300 m |
Focal ratio |
0.46-0.47 |
Sky coverage |
Zenith angle (ZA) <40° |
Receiver (L-band) |
Multi-beam(19 beams) |
Working frequency |
1050 MHz-1450 MHz |
Bandwidth |
400 MHz |
Sensitivity |
ZA≤26.4°: ~16.0 K/Jy (Central beam) 26.4°<ZA <40.0°: ~11.5 K/Jy - 16.0 K/Jy (Central beam) For other beam values, please see the papers below at Note. |
System noise temperature |
~19K -27K, depending on ZA (Central beam) For other beam values, please see the papers below at Note. |
Angle resolution |
~2.9ꞌ |
Pointing accuracy |
< 16″ |
FAST Backend Systems
Backend |
Bandwidth |
Sampling |
Stokes
|
Channels
|
Spectral line |
Spec(F) 500 MHz |
0.1s, 0.2s, 0.5s, 1.0s |
Full or 2polarizations (XX、YY) |
1024 k |
Spec(W+N) 500 MHz+ 31.125 MHz |
0.1s, 0.2s, 0.5s, 1.0s |
Full or 2polarizations (XX、YY) |
64 k |
|
Pulsar |
500 MHz |
49.152 us, 98.304 us 196.608 us |
Full or 2polarizations (XX、YY) |
4k(default) 1k,2k,8k |
Note: For the detailed parameters of FAST, please see the following papers: