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information_for_astronomers:rx:s7mm [2013/03/12 14:10]
127.0.0.1 external edit
information_for_astronomers:rx:s7mm [2016/05/12 09:57]
ubach [7mm secondary focus receiver (41600-44400 MHz)]
Line 2: Line 2:
  
  This is a 2-channel system for VLBI observations. The whole receiver was reconditioned in late 2012.\\  This is a 2-channel system for VLBI observations. The whole receiver was reconditioned in late 2012.\\
-A new double-horn system is under construction. It should become operational in 2014.+A new double-horn system is under construction. It should become operational in 2016.
  
 ==== Calibration Information ==== ==== Calibration Information ====
Line 56: Line 56:
 |  9  |    BB    |     ​LCP ​  | TP A  | |  9  |    BB    |     ​LCP ​  | TP A  |
 |  10  |   ​BB ​   |     ​RCP ​   | TP B  | |  10  |   ​BB ​   |     ​RCP ​   | TP B  |
 +
 +==== Spectroscopy modes and resolution ====
 +^   BW ^ nchan ^    nu ^     Df ^     Dv ^     dv ^
 +^  MHz ^       ​^ ​  MHz ^    kHz ^   km/s ^   km/s ^
 +|  100 | 32768 | 41500 |    3.1 |  0.022 |  0.026 |
 +|  100 | 32768 | 42500 |    3.1 |  0.022 |  0.025 |
 +|  100 | 32768 | 43500 |    3.1 |  0.021 |  0.024 |
 +|  100 | 32768 | 44500 |    3.1 |  0.021 |  0.024 |
 +|  500 | 32768 | 41500 |   15.3 |  0.110 |  0.128 |
 +|  500 | 32768 | 42500 |   15.3 |  0.108 |  0.125 |
 +|  500 | 32768 | 43500 |   15.3 |  0.105 |  0.122 |
 +|  500 | 32768 | 44500 |   15.3 |  0.103 |  0.119 |
 +
 +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 ====
  
-TODO+ 
 +{{:​information_for_astronomers:​rx:​s7mm_2015aug7_ngc7027_aatm_tsys0_from_specpointing_using_tau_spec.png?​675|}} 
 + 
 +{{:​information_for_astronomers:​rx:​s7mm_2015aug7_ngc7027_aatm_tcal_from_specpointing_using_tau_spec.png?​675|}} 
 + 
 +{{:​information_for_astronomers:​rx:​s7mm_2015aug7_ngc7027_aatm_tau_from_specpointing_using_tau_spec.png?​675|}} 
 + 
 +{{:​information_for_astronomers:​rx:​s7mm_2015aug7_ngc7027_aatm_hpbw_from_specpointing.png?​350|}} 
 +{{:​information_for_astronomers:​rx:​s7mm_2015aug7_ngc7027_aatm_taper_from_specpointing.png?​350|}} 
 + 
 +{{:​information_for_astronomers:​rx:​s7mm_2015aug7_ngc7027_aatm_eta_from_specpointing.png?​350|}} 
 +{{:​information_for_astronomers:​rx:​s7mm_2015aug7_ngc7027_aatm_etamb_from_specpointing.png?​350|}} 
 + 
 +{{:​information_for_astronomers:​rx:​s7mm_2015aug7_ngc7027_aatm_gamma_from_specpointing.png?​350|}} 
 +{{:​information_for_astronomers:​rx:​s7mm_2015aug7_ngc7027_aatm_gammamb_from_specpointing.png?​350|}} 
 + 
 +(No correction for angular size of NGC7027 was applied!)
information_for_astronomers/rx/s7mm.txt · Last modified: 2016/05/12 09:57 by ubach