[[Observing Log]]
----
#contents
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* CSV2016: Subref position offsets of DASH345 and BAND8 (2016-08-16) [#qb64ae8a]
** Tasks [#d0b47522]
- 220GHz opacity <= 0.07 -> Subref position offsets in BAND8
- 220GHz opacity > 0.07 -> Subref beam maps to estimate rough offsets in DASH345
#br
*** Preparations [#o6984ec1]
+ Basic checks
-- Record which kisa files are used for DASH345 and BAND8
+
aste16@aste-ms1: ssh astecntl@aste-1c "ls -l /cosmos3/aste/etc/kisag/{DASH3,BAND8}"
lrwxrwxrwx 1 astecntl astctl 12 Jun 3 2015 /cosmos3/aste/etc/kisag/BAND8 -> BAND8.150603
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
-- Check Aspirin is working in the "WIND ON" mode
+ Tuning at EL=60.0 deg
-- Don't forget to record weather conditions
+ Pointing toward Saturn
BAND8: stx5b8.start
DASH345: stx5d3.start
+ Z-axis adjustment using Saturn
BAND8: stsbb8z.start
DASH345: stsbd3z.start
-- Add a resultant offset to dz
*** Subref offset positions in BAND8 [#l7789598]
+ Repeat cross scans toward Saturn with various (dx,dy)
-- Pointing toward Saturn
+
BAND8: stx5b8.start
DASH345: stx5d3.start
-- Repeat cross scans toward Saturn using the batch mode
+
BAND8: stsbb8.list
DASH345: stsbd3.list
--- Don't forget to turn on auto-pointing in the QLOOKC GUI
+ Data reduction
*** Subref beam maps to estimate rough offsets of DASH345 [#la5fda8f]
+ Take a map of Saturn with (dx,dy)=(0,0),(-1,0),(+1,0),(0,-1),(0,+1)
-- Set (dx,dy) in the subref offset GUI
-- Pointing toward Saturn
+
BAND8: stx5b8.start
DASH345: stx5d3.start
-- Map of Saturn
+
BAND8: str02b8.start
DASH345: str02d3.start
+ Data reduction
-- Make Saturn maps from the CH1 data of the mapping observations with cont
----
** Information [#nda8a4c3]
- Observers: Umemoto, Kamazaki
- Site: Mitaka
- Weather conditions (2016-08-XXTXX:XX)
Temperature: XXX C
Humidity: XXX hPa
Wind: XXX m/s (XXX deg)
220GHz opacity: XXX
** Measurement Log [#kd14d469]
*** Preparations [#k0653e0c]
+ Basic checks
-- Check all subref parameters (dx,dy,dz,dtx,dty,dtz) are zero
-- Check Aspirin is working in the "WIND ON" mode
+ Tuning at EL=60.0 deg
===================================ASTE Site===================================
Temp. : -4.27 C Humid. : 11.37 % ( 0.51 hPa ) Solar : 0.00 kW/m2
Wind : 5.56 m/s 262 deg AirPressure : 572.34 hPa ( Rain: 0.01 )
Opacity @220 GHz : 0.0220
================================ Receiver Cabin ===============================
Main Cabin: 19.3 C Upper Cabin: 13.2 C AzTEC AE: 168.6 C Dewar: 168.6 C
SCD : ---- ---- ---- ----
================================Observation Room===============================
Temp. : 23.34 degC Humid. : 3.13 %
Digital BE: 28.90 degC 32.00 degC 34.50 degC 32.29 degC
Meeting Rm.: Temp: room: ----- entrance: ----- WC: -----
-------------------------------Air Conditioners--------------------------------
Internal Out 24.30 C 22.80 C 24.30 C 25.10 C 24.30 C 27.80 C
Internal Ret. 26.70 C 23.90 C 24.20 C 23.20 C 24.10 C 27.00 C
External 168.60 C -5.30 C -3.60 C 168.60 C
================================Antenna Shelter================================
Air-cond. : 6.30 degC 6.70 degC -4.70 degC
Room Temp.: 7.20 degC
*** Tuning of DASH345/BAND8 for continuum observations [#i6322df7]
+ Set antenna EL angle to ''60 degrees''
+ Login to aste-1c with asteobs
> ssh asteobs@aste-1c
+ Select CONT BE
asteobs@aste-1c: swbox_ctl_be CONT <--- CONT BE is selected
asteobs@aste-1c: swbox_ctl_be
status: swbox_ctl_be CONT
+ Select either of DASH345 and BAND8 and then, set the frequency of the synthesizer B
-- [BAND8]
+
asteobs@aste-1c: asterx_sw BAND8 <--- BAND8 is selected
...
asteobs@aste-1c: synthe_ctl B FREQ 11.444 <--- 11.444 GHz x36 = 411.984 GHz
### After setting synthe ###
FREQ = 11.444000000 [GHz] <--- confirm the frequency is set
AMPL = 13.00 [dBm]
RF = ON
+ Tune DASH345/BAND8
-- [BAND8]
+
asteobs@aste-1c: asterx_set BAND8
### Query of LO Freq ###
LO Freq = 411.984000000 <--- confirm LO freq = 411.984
...
> GET_PA 0
2.966309,247.970581,-0.290833
> GET_PA 1
4.021912,265.975952,-0.346375
-- If necessary, adjust ATT values with lopwr_band8.
> lopwr_band8 -h
usage : lopwr_band8 [-p0/-p1] [VD]
: VD range = 0.600 - 2.600 [V]
+ Select a sideband (USB for the both receivers)
asteobs@aste-1c: swbox_ctl_pol 0 1 <--- P0USB and P1USB are selected
asteobs@aste-1c: swbox_ctl_pol
status: swbox_ctl_pol 0 1
400:P0-USB 402:P1-USB
+ Adjust signal levels input to DASBOX
-- BAND8
+
asteobs@aste-1c: cont_if 2 31
...
Cont IF #2 Lev. = -0.000316 [V]
asteobs@aste-1c: cont_if 3 18
changed Cont IF #3 att. = 0 [dB] <--- Just ignore even if 0 [dB]
...
Cont IF #3 Lev. = -0.000022 [V]
+ Pointing toward Saturn
BAND8: stx5b8.start
+ Z-axis adjustment using Saturn
BAND8: stsbb8z.start
-Cont.Qlook
Auto Pointing OFF
Pointing Integration: 1 Average: 2
Auto Stop off
** Analysis [#p592e97c]
+ Login to an analysis computer with account=aste16
[asteobs@aste-mx1 ~]$ ssh aste-mx3 -X -l aste16
+ Confirm that continuum data is transferred and is located at ~/sbrf1/continuum/data
aste16@aste-mx3> ls ~/sbrf16/continuum/data/CONT.stsbb8z.aste16.sbrf16.201608152353.LCK
...
+ Run lck_sbrfz.py
aste16@aste-mx3> ~/analysis/bin/lck_sbrefz.py -c 2 ~/sbrf16/continuum/data/CONT.stsbb8z.aste16.sbrf16.201608152353.LCK
+ Plot fit results
* -> ddz [sample] = 186.326212
* -> ddz [mm] = 0.107
- Add a resultant offset to dz
ddz=0.1
*** Subref offset positions in BAND8 [#l7789598]
+ Repeat cross scans toward Saturn with various (dx,dy)
-- Pointing toward Saturn
+
BAND8: stx5b8.start
-- Repeat cross scans toward Saturn using the batch mode
+
BAND8: stsbb8.list
-- Don't forget to turn on auto-pointing in the QLOOKC GUI
-- Cont.Qlook
Auto Pointing ON
Pointing Integration: 1 Average: 2
Auto Stop off
-- UT0343
---33.stsbb8gでTsysが得られないとエラー
--- Auto pointing だとch01のオフセットを入れている模様。ch01はS/Nが悪いので正しくオフセットが入っていない可能性あり。
-- UT0351
---34.stsbb8hでpointing 決まらない。El_ofs~30", Az_ofs~1000"
---手動でEl_ofs=30"を入れたらそれらしい位置にきた。
-- UT0356
---34.stsbb8iでch01でTsysでないとエラー
--- 手動でAz_ofs=17"を入れた
-- UT0409
---測定終了
+ Data reduction
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