User Tools

Site Tools


information_for_astronomers:rx:s36mm

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Next revision
Previous revision
information_for_astronomers:rx:s36mm [2013/03/12 14:08]
127.0.0.1 external edit
information_for_astronomers:rx:s36mm [2022/09/22 07:30] (current)
akraus
Line 13: Line 13:
  
 ^ normalized Gain curve (G = A0 + A1·Elv + A2·Elv2)^^^ Observed in ^ confirmed ^ ^ normalized Gain curve (G = A0 + A1·Elv + A2·Elv2)^^^ Observed in ^ confirmed ^
-|A0 = 0.97453|A1 = 1.192E-3|A2 = -1.389E-5|Dec 2001| | 
 |A0 = 0.99500|A1 = 4.3434e-04|A2 = -1.0562e-05|Feb 2007| | |A0 = 0.99500|A1 = 4.3434e-04|A2 = -1.0562e-05|Feb 2007| |
  
Line 19: Line 18:
    * All values are valid for the new receiver which was installed in September 2001. If you need data for the old one, please contact akraus_at_mpifr-bonn.mpg.de.    * All values are valid for the new receiver which was installed in September 2001. If you need data for the old one, please contact akraus_at_mpifr-bonn.mpg.de.
    * Note that (against our usual designation) Channel A is RCP and B LCP!    * Note that (against our usual designation) Channel A is RCP and B LCP!
-   * The new gain curve (Feb 2007) was corrected for opacity. +   * If no other information about the opacity is available a typical zenith tau value of about 0.015 should do a good job. 
-   * If no other information about the opacity is available a typical zenith tau value of about 0.018 should do a good job. +
  
 ==== Version description for OBSINP ==== ==== Version description for OBSINP ====
Line 65: Line 63:
 |  13  |   VLBA |   ​cross ​  | sin AB  | |  13  |   VLBA |   ​cross ​  | sin AB  |
  
-==== Tcal and Tsys measurements ​==== +==== Spectroscopy modes and resolution ​==== 
-{{:​information_for_astronomers:​rx:​s36mm-xffts-tcal.png?900|Tcal}}+^   BW ^ nchan ^    nu ^     Df ^     Dv ^     dv ^ 
 +^  MHz ^       ​^ ​  MHz ^    kHz ^   km/s ^   km/s ^ 
 +|  100 | 32768 |  7800 |    3.1 |  0.117 |  0.136 | 
 +|  100 | 32768 |  8000 |    3.1 |  0.114 |  0.133 | 
 +|  100 | 32768 |  8200 |    3.1 |  0.112 |  0.129 | 
 +|  100 | 32768 |  8400 |    3.1 |  0.109 |  0.126 | 
 +|  100 | 32768 |  8600 |    3.1 |  0.106 |  0.123 | 
 +|  100 | 32768 |  8800 |    3.1 |  0.104 |  0.121 | 
 +|  500 | 32768 |  7800 |   15.3 |  0.586 |  0.680 | 
 +|  500 | 32768 |  8000 |   15.3 |  0.572 |  0.663 | 
 +|  500 | 32768 |  8200 |   15.3 |  0.558 |  0.647 | 
 +|  500 | 32768 |  8400 |   15.3 |  0.545 |  0.632 | 
 +|  500 | 32768 |  8600 |   15.3 |  0.532 |  0.617 | 
 +|  500 | 32768 |  8800 |   15.3 |  0.520 |  0.603 |
  
-{{:​information_for_astronomers:​rx:​s36mm-xffts-tsys.png?​900|Tsys}}+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)
  
-{{:​information_for_astronomers:​rx:​s36mm-xffts-trms.png?​900|Trms}} 
  
 +==== Tcal and Tsys measurements ====
 +{{:​information_for_astronomers:​rx:​s36mm_tcal_from_specpointing_using_tau_spec.png?​675 |}}
 +{{:​information_for_astronomers:​rx:​s36mm_tsys0_from_specpointing_using_tau_spec.png?​675 |}}
 +{{:​information_for_astronomers:​rx:​s36mm_tau_from_specpointing_using_tau_spec.png?​675 |}}
 +{{:​information_for_astronomers:​rx:​s36mm_hpbw_from_specpointing.png?​675 |}}
  
information_for_astronomers/rx/s36mm.1363093696.txt.gz · Last modified: 2013/09/30 13:54 (external edit)