Diff of Observing Log/2016-08-24

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[[Observing Log]]
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#contents
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* CSV2016: Subref position offsets of DASH345 (2016-08-24) [#q03eb918]

** Tasks [#af66ce68]
- 220GHz opacity > 0.07 -> Subref position offsets in DASH345

*** Preparations [#k5487b79]
+ Basic checks
-- UT2340
-- Record which kisa files are used for DASH345 and BAND8
+
 aste16@aste-ms1: ssh astecntl@aste-1c "ls -l /cosmos3/aste/etc/kisag/DASH3"
 lrwxrwxrwx 1 astecntl astctl 12 Jun  1  2015 /cosmos3/aste/etc/kisag/DASH3 -> DASH3.150601
-- Check all subref parameters (dx,dy,dz,dtx,dty,dtz) are zero
--- OK
-- Check Aspirin is working in the "WIND ON" mode
--- wind off UT0002 ON
+ UT2341 Tuning at EL=60.0 deg
-- [[Tuning of DASH345/BAND8 for continuum observations>CSV/2016#i6322df7]]
-- Don't forget to record weather conditions
--- OK
 ===================================ASTE Site===================================
   Temp. :  -2.48 C   Humid. : 20.07 % (  1.02 hPa )   Solar :  0.00 kW/m2
   Wind  :   4.81 m/s  265 deg   AirPressure : 573.07 hPa    ( Rain:  0.01 )
   Opacity @220 GHz :   0.1052
 ================================ Receiver Cabin ===============================
   Main Cabin:   --- C  Upper Cabin:   --- C  AzTEC AE:   --- C  Dewar:   --- C
   SCD :   ----      ----      ----      ----
 ================================Observation Room===============================
   Temp. :  23.42 degC   Humid. :  4.36 %
   Digital BE:   24.30 degC   24.20 degC   25.60 degC   25.40 degC 
   Meeting Rm.:  Temp:  room:  -----       entrance:  -----       WC:  -----
 -------------------------------Air Conditioners--------------------------------
   Internal Out     21.20 C   23.50 C   21.80 C   22.10 C   24.50 C   22.30 C
   Internal Ret.    23.00 C   24.30 C   22.20 C   -1.50 C   24.00 C   22.00 C
   External        168.60 C   -3.10 C   -0.60 C  168.60 C
 ================================Antenna Shelter================================
   Air-cond. :     8.80 degC    9.19 degC   -3.40 degC
   Room Temp.:     9.69 degC

+ Pointing toward Saturn
-UT0007
 DASH345: stx5d3.start
-ddAz, ddEl= 3.0, -3.0
+ Z-axis adjustment using Saturn
-UT0019
 DASH345: stsbd3z.start
-- [[Measurement and analysis for single-beam receivers>CSV/SubrefZPositionMeasurementAnalysisSBRx]]
-- Add a resultant offset ''ddz'' to dz in the subref offset GUI (if |ddz| > 0.1 mm)
&ref(ddz-201608240019.png,,50%);
-- ddz=0


*** Subref offset positions in DASH345/BAND8 [#nc1655f1]
+ Repeat cross scans toward Saturn with various (dx,dy)
-- Repeat cross scans toward Saturn using the batch mode
-- UT0041
 DASH345: stsbd3.list
---&color(red){Don't forget to turn on auto-pointing in the QLOOKC GUI};
---OK, set average=1
-- UT0320
--- Stop after 24.stbd3a

- Weather conditions (2016-08-24UT03:20)
 Temperature: -1.00 C
 Humidity: 1.62 hPa
 Wind: 6.94 m/s (286 deg)
 220GHz opacity: 0.1470

-- UT0324
--- Set az=-180, El=60, all free

+ Data reduction
-- Still under preparation

----

** Quick summary of subref position-offset measurements [#m0108127]
** Quick report about subref position-offset measurements [#m0108127]
- DASH345
-- The current model for DASH345
 lrwxrwxrwx 1 astecntl astctl 12 Jun  1  2015 /cosmos3/aste/etc/kisag/DASH3 -> DASH3.150601
-- Subref position offsets from the model are measured to be less than 0.12, 0.06 abd 0.05 mm in the axes x, y and z, respectively
-- It has been decided to keep the current model in 2016.
#ref(201608dash3.png,,50%)
- BAND8
-- The current model for BAND8
 lrwxrwxrwx 1 astecntl astctl 12 Jun  3  2015 /cosmos3/aste/etc/kisag/BAND8 -> BAND8.150603
-- Subref position offsets from the model are measured to be less than 0.15, 0.08 abd 0.10 mm in the axes x, y and z, respectively
-- It has been decided to keep the current model in 2016.
#ref(201608band8.png,,50%)