[[Observing Log]]
----
#contents
----
* CSV2016: Subref position offsets of DASH345 (2016-08-17) [#pd1acbf8]
** Tasks [#c51d5ac2]
- Subref beam maps to estimate rough offsets in DASH345
#br
*** Preparations [#ae807d92]
+ 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
-- [[Tuning of DASH345/BAND8 for continuum observations>CSV/2016#i6322df7]]
-- Don't forget to record weather conditions
+ Pointing toward Saturn
DASH345: stx5d3.start
+ Z-axis adjustment using Saturn
DASH345: stsbd3z.start
-- [[Measurement and analysis for single-beam receivers>CSV/SubrefZPositionMeasurementAnalysisSBRx]]
-- Add a resultant offset to dz (if |dz| > 0.1 mm)
-- Add a resultant offset to dz (if |ddz| > 0.1 mm)
*** Subref beam maps to estimate rough offsets of DASH345 [#r1755991]
+ 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
+
DASH345: stx5d3.start
-- Map of Saturn
+
DASH345: str02d3.start
+ Data reduction
-- Make Saturn maps from the CH1 data of the mapping observations with cont
-- [[Measurement and analysis for single-beam receivers>CSV/BeamMapMeasurementAnalysisSBRx]]
----
** Information [#q3c0053a]
- Observers: Izumi
- Site: Mitaka
- Weather conditions (2016-08-17T00:00)
Temperature: -1.3 C
Humidity: 0.47 hPa
Wind: 12.4 m/s (237 deg)
220GHz opacity: 0.0560
** Measurement Log [#n224f62b]
***Preparations [#z7672139]
+ Basic checks
-- Record which kisa files are used for DASH345 and BAND8
+
[aste16@aste-mx3 data]$ ssh astecntl@aste-1c "ls -l /cosmos3/aste/etc/kisag/{DASH3,BAND8}"
Warning: Permanently added 'aste-1c,200.91.21.140' (RSA) to the list of known hosts.
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
===================================ASTE Site===================================
Temp. : -1.17 C Humid. : 8.63 % ( 0.48 hPa ) Solar : 0.00 kW/m2
Wind : 7.20 m/s 219 deg AirPressure : 572.39 hPa ( Rain: 0.01 )
Opacity @220 GHz : 0.0031
================================ Receiver Cabin ===============================
Main Cabin: --- C Upper Cabin: --- C AzTEC AE: --- C Dewar: --- C
SCD : ---- ---- ---- ----
================================Observation Room===============================
Temp. : 22.90 degC Humid. : 3.00 %
Digital BE: 29.10 degC 31.90 degC 34.29 degC 32.10 degC
Meeting Rm.: Temp: room: ----- entrance: ----- WC: -----
-------------------------------Air Conditioners--------------------------------
Internal Out 25.10 C 21.50 C 22.50 C 23.90 C 23.70 C 28.10 C
Internal Ret. 26.50 C 23.60 C 22.90 C -2.40 C 23.70 C 27.10 C
External 168.60 C -1.80 C 1.90 C 168.60 C
================================Antenna Shelter================================
Air-cond. : 6.60 degC 6.40 degC -2.10 degC
Room Temp.: 7.70 degC
+
[asteobs@aste-1c ~]$ swbox_ctl_be CONT
[asteobs@aste-1c ~]$ swbox_ctl_be
status: swbox_ctl_be CONT
+
[asteobs@aste-1c ~]$ asterx_sw DASH345
---
### After setting synthe ###
FREQ = 14.375000000 [GHz]
AMPL = 20.00 [dBm]
RF = ON
+
[asteobs@aste-1c ~]$ asterx_set DASH345
---
### Set LO Power ###
/cosmos3/naoj/bin/loatt_dash345_tune 345.000000000
/cosmos3/naoj/bin/loatt_dash345_val /home/astedev/frontend/loatt_ctl/loatt_dash345.conf 345.000000000
/cosmos3/naoj/bin/loatt_dash345 225 310
Set ATT : Pol0=225, Pol1=310
Pol0 = 225 , Pol1 = 310
Pol0 = 0.005489[A], Pol1 = 0.007566[A]
Pol0 = 0.655313[V], Pol1 = 0.773639[V]
+
[asteobs@aste-1c ~]$ swbox_ctl_pol 0 1
[asteobs@aste-1c ~]$ swbox_ctl_pol
status: swbox_ctl_pol 0 1
400:P0-USB 402:P1-USB
+
[asteobs@aste-1c ~]$ cont_if 2 22
Cont IF #2 Att. = 24 [dB]
changed Cont IF #2 att. = 22 [dB]
recieved value = -1.28357000E-04
recieved value = -1.28357000E-04
Cont IF #2 Lev. = -0.000128 [V]
+
[asteobs@aste-1c ~]$ cont_if 3 17
Cont IF #3 Att. = 0 [dB]
changed Cont IF #3 att. = 0 [dB]
recieved value = -1.13845000E-04
+
recieved value = -1.13845000E-04
Cont IF #3 Lev. = -0.000114 [V]
+Pointing toward Saturn
dAz, dEl = 4.8, -4.8
+Z-axis adjusting using Saturn
#ref(./subrefz_160817_1.png,50%)
***Subref beam maps to estimate rough offset of DASH345 [#vd708f48]
Take a map of Saturn with (dx,dy)=(0,0),(-1,0),(+1,0),(0,-1),(0,+1)
-(dx,dy)=(0,0)
Temp. : -2.49 C Humid. : 10.60 % ( 0.54 hPa ) Solar : 0.00 kW/m2
Wind : 5.09 m/s 224 deg AirPressure : 572.53 hPa ( Rain: 0.01 )
Opacity @220 GHz : 0.0511
- UT01:40 qlookc stopped to update its plots
-- It looked to be due to some connection failures between the ASTE site and Mitaka. After restarting /cosmos3/aste/rc3.d/S98astqlcsv on aste-mt1, this was resolved.
* aste-1c:/cosmos3/aste/syslog/astqlcsv/mess
2016-08-17 01:40:26.032 aste-1c astqlcsv DEB cmn_socket_write: Connection reset by peer (ret=-1, rest=8)
2016-08-17 01:40:26.032 aste-1c astqlcsv ERR [4] Failed in cmn_socket_write2
2016-08-17 01:40:26.032 aste-1c astqlcsv DEB [4] Connection accepted
2016-08-17 01:40:26.032 aste-1c astqlcsv DEB [4] ID=0 T=1 S=256
2016-08-17 01:40:26.032 aste-1c astqlcsv ERR [-1] Connection with REMOTE site not established
2016-08-17 01:40:26.032 aste-1c astqlcsv DEB [4] ID=0 T=5 total=159
2016-08-17 01:40:26.032 aste-1c astqlcsv DEB [4] ID=0 T=3 S=3220
2016-08-17 01:40:26.032 aste-1c astqlcsv DEB [5] Connection accepted
2016-08-17 01:40:26.032 aste-1c astqlcsv DEB [5] ID=0 T=1 S=256
-UTC 01:45 (dx,dy)=(-1,0)
Temp. : -2.57 C Humid. : 10.88 % ( 0.55 hPa ) Solar : 0.00 kW/m2
Wind : 7.74 m/s 246 deg AirPressure : 572.54 hPa ( Rain: 0.01 )
Opacity @220 GHz : 0.0025
--Pointing toward Saturn
dAz, dEl = -1.0, -41.0
-UTC 02:08 (dx,dy)=(+1,0)
Temp. : -5.52 C Humid. : 13.04 % ( 0.53 hPa ) Solar : 0.00 kW/m2
Wind : 7.89 m/s 270 deg AirPressure : 572.76 hPa ( Rain: 0.01 )
Opacity @220 GHz : 0.0321
--Pointing toward Saturn
dAz, dEl = -2.2, 90.0
-UTC 02:31 (dx,dy)=(0,-1)
Temp. : -5.75 C Humid. : 14.69 % ( 0.58 hPa ) Solar : 0.00 kW/m2
Wind : 8.20 m/s 271 deg AirPressure : 572.72 hPa ( Rain: 0.01 )
Opacity @220 GHz : 0.0432
--Pointing toward Saturn
dAz, dEl = -44.0, -43.0
-UTC 02:55 (dx,dy)=(0,+1)
Temp. : -5.81 C Humid. : 16.47 % ( 0.65 hPa ) Solar : 0.00 kW/m2
Wind : 8.83 m/s 270 deg AirPressure : 572.85 hPa ( Rain: 0.01 )
Opacity @220 GHz : 0.0501
--Pointing toward Saturn
dAz, dEl = 86.5, 0.4
-Results
--(dx,dy)=(0,0)~
#ref(./C608170048CH1.png,50%)
--(dx,dy)=(-1,0)~
#ref(./C608170153CH1.png,50%)
--(dx,dy)=(+1,0)~
#ref(./C608170217CH1.png,50%)
--(dx,dy)=(0,-1)~
#ref(./C608170242CH1.png,50%)
--(dx,dy)=(0,+1)~
#ref(./C608170304CH1.png,50%)
***USB LSB check [#kef4ad09]
''GPIB error''~
=> Can not use Mac
- The GPIB interface of MAC is connected with aste-1c through a LAN-GPIB converter (gpib2). We tried "ping gpib2" on aste-1c, but no replay was received.
- We gave up MAC observations and requested on-site people to check gpib2.
***Level check on DASBOX [#pa947edb]
-Tuning DASH345
[asteobs@aste-1c ~]$ swbox_ctl_be CONT
[asteobs@aste-1c ~]$ swbox_ctl_be
status: swbox_ctl_be CONT
-
[asteobs@aste-1c ~]$ asterx_sw DASH345
---
### After setting synthe ###
FREQ = 14.375000000 [GHz]
AMPL = 20.00 [dBm]
RF = ON
[asteobs@aste-1c ~]$ synthe_ctl B FREQ 14.375
FREQ = 14.375000000 [GHz]
AMPL = 20.00 [dBm]
RF = ON
### After setting synthe ###
FREQ = 14.375000000 [GHz]
AMPL = 20.00 [dBm]
RF = ON
-
[asteobs@aste-1c ~]$ asterx_set DASH345
---
Pol0 = 225 , Pol1 = 310
Pol0 = 0.005491[A], Pol1 = 0.007567[A]
Pol0 = 0.660267[V], Pol1 = 0.777363[V]
-
[asteobs@aste-1c ~]$ swbox_ctl_pol 0 1
[asteobs@aste-1c ~]$ swbox_ctl_pol
status: swbox_ctl_pol 0 1
400:P0-USB 402:P1-USB
-
[asteobs@aste-1c ~]$ cont_if 2 22
Cont IF #2 Att. = 22 [dB]
changed Cont IF #2 att. = 22 [dB]
recieved value = -7.33110000E-05
recieved value = -7.33110000E-05
Cont IF #2 Lev. = -0.000073 [V]
-
[asteobs@aste-1c ~]$ cont_if 3 17
Cont IF #3 Att. = 0 [dB]
changed Cont IF #3 att. = 0 [dB]
recieved value = -2.48960000E-05
recieved value = -2.48960000E-05
Cont IF #3 Lev. = -0.000025 [V]
-UTC 04:55 urx5d3
Temp. : -5.61 C Humid. : 19.22 % ( 0.77 hPa ) Solar : 0.00 kW/m2
Wind : 2.84 m/s 220 deg AirPressure : 573.07 hPa ( Rain: 0.01 )
Opacity @220 GHz : 0.0314
#ref(CONT.urx5d3.aste16.sbrf16.201608170454ch1.png,,50%)
#ref(CONT.urx5d3.aste16.sbrf16.201608170454ch2.png,,50%)
-Tuning Band8
[asteobs@aste-1c ~]$ swbox_ctl_be CONT
[asteobs@aste-1c ~]$ swbox_ctl_be
status: swbox_ctl_be CONT
-
[asteobs@aste-1c ~]$ asterx_sw BAND8
---
### After setting synthe ###
FREQ = 14.375000000 [GHz]
AMPL = 13.00 [dBm]
RF = ON
-
[asteobs@aste-1c ~]$ synthe_ctl B FREQ 11.444
FREQ = 14.375000000 [GHz]
AMPL = 13.00 [dBm]
RF = ON
### After setting synthe ###
FREQ = 11.444000000 [GHz]
AMPL = 13.00 [dBm]
RF = ON
-
[asteobs@aste-1c ~]$ asterx_set BAND8
---
> GET_PA 0
2.965698,247.726440,-0.291138
> GET_PA 1
4.021912,262.252808,-0.345917
-
[asteobs@aste-1c ~]$ swbox_ctl_pol 0 1
[asteobs@aste-1c ~]$ swbox_ctl_pol
status: swbox_ctl_pol 0 1
400:P0-USB 402:P1-USB
-
[asteobs@aste-1c ~]$ cont_if 2 23
Cont IF #2 Att. = 22 [dB]
changed Cont IF #2 att. = 23 [dB]
recieved value = -2.01420000E-05
recieved value = -2.01420000E-05
Cont IF #2 Lev. = -0.000020 [V]
-
[asteobs@aste-1c ~]$ cont_if 3 19
Cont IF #3 Att. = 0 [dB]
changed Cont IF #3 att. = 0 [dB]
recieved value = -1.20976000E-04
recieved value = -1.20976000E-04
Cont IF #3 Lev. = -0.000121 [V]
-UTC 05:11 urx5d8
Temp. : -5.14 C Humid. : 20.08 % ( 0.84 hPa ) Solar : 0.00 kW/m2
Wind : 3.56 m/s 256 deg AirPressure : 572.97 hPa ( Rain: 0.01 )
Opacity @220 GHz : 0.0355
#ref(CONT.urx5b8.aste16.sbrf16.201608170512ch1.png,,50%)
#ref(CONT.urx5b8.aste16.sbrf16.201608170512ch2.png,,50%)
-- Close look of jagged waveform seen in CH1
-
#ref(CONT.urx5b8.aste16.sbrf16.201608170512ch1t300-600.png,,50%)
--- In our rough estimate, the cycle and peak-to-peak amplitude of the waveform are roughly 0.4 seconds (~48 cycles/20 seconds) and 2% of sky levels (~120 / 6000), respectively.