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information_for_astronomers:rx:p3mm [2013/03/12 14:55]
127.0.0.1 external edit
information_for_astronomers:rx:p3mm [2013/10/21 15:39]
bwinkel [Spectroscopy modes and resolution]
Line 49: Line 49:
 |  6  |  VLBA | ​  ​cross ​  | cos AB  | |  6  |  VLBA | ​  ​cross ​  | cos AB  |
 |  7  |  VLBA | ​  ​cross ​  | sin AB  | |  7  |  VLBA | ​  ​cross ​  | sin AB  |
 +
 +==== Spectroscopy modes and resolution ====
 +^   BW ^ nchan ^    nu ^     Df ^     Dv ^     dv ^
 +^  MHz ^       ​^ ​  MHz ^    kHz ^   km/s ^   km/s ^
 +|  100 | 32768 | 85000 |    3.1 |  0.011 |  0.012 |
 +|  100 | 32768 | 87000 |    3.1 |  0.011 |  0.012 |
 +|  100 | 32768 | 89000 |    3.1 |  0.010 |  0.012 |
 +|  100 | 32768 | 91000 |    3.1 |  0.010 |  0.012 |
 +|  100 | 32768 | 93000 |    3.1 |  0.010 |  0.011 |
 +|  100 | 32768 | 95000 |    3.1 |  0.010 |  0.011 |
 +|  500 | 32768 | 85000 |   15.3 |  0.054 |  0.062 |
 +|  500 | 32768 | 87000 |   15.3 |  0.053 |  0.061 |
 +|  500 | 32768 | 89000 |   15.3 |  0.051 |  0.060 |
 +|  500 | 32768 | 91000 |   15.3 |  0.050 |  0.058 |
 +|  500 | 32768 | 93000 |   15.3 |  0.049 |  0.057 |
 +|  500 | 32768 | 95000 |   15.3 |  0.048 |  0.056 |
 +
 +BW    ... band width\\
 +nchan ... number of spectral channels\\
 +nu    ... center frequency\\
 +Df    ... Channel separation (in frequency)\\
 +Dv    ... Channel separation (in velocity)\\
 +dv    ... Velocity resolution (dv=1.16*Dv)
  
 ==== Tcal and Tsys measurements ==== ==== Tcal and Tsys measurements ====
  
  
information_for_astronomers/rx/p3mm.txt ยท Last modified: 2020/11/05 15:35 by akraus