GTAC Observation Log

1. Date : 01/12/2017
2. Observation Sr. No. : 9914
3. Observer : Elizabeth A.K. Adams, Luke Leisman, Aaron Romanowsky, Steven Janowiecki, John Michael Cannon, Emmanouil Papastergis, Gyula I.G. Józsa
4. Observer's Email : adams@astron.nl, leisman@astro.cornell.edu, aaron.romanowsky@sjsu.edu, steven.janowiecki@icrar.org, jcannon@macalester.edu, papastergis@astro.rug.nl, gigjozsast@gmail.com
5. Project Name : The fundamental properties of field ultra-diffuse galaxies
6. Project Code : 33_023
7. Operator(s) : Pramod, Rupsing, Sachin
8. Command File : /odisk/gtac/cmd/33_023/01dec17/obs_33_023_block1.txt,, /odisk/gtac/cmd/33_023/01dec17/obs_33_023_block2.txt
9. LTA File : /gsbifrdata1/01dec/33_023_01dec2017.lta.1, /gsbifrdata1/01dec/33_023_01dec2017.lta
10. LogFlag File : /odisk/online1/logflags/33_023.FLAGS.1, /odisk/online1/logflags/33_023.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1375.8835 MHz ,RF2 : 1375.8835 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1315 MHz, ILO2 : 1315MHz , IVLO1 : 60.8835 MHz, IVLO2 : 60.8835 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1_shivneri
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : ON
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : OFF
23. ACQ BW : 16.666666 MHz
24. Final BW : 4 MHz; Step # 2
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 139.1165
28. LO5 -2  : 165.8835

29. Frequency Parameters (TPA) : 1375.8835 1375.8835 1315 1315 60.8835 60.8835
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
S06 : MCM time out.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 01 Dec 2017 02:10:00 - 01 Dec 2017 13:10:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :27

37. Comments (During Observations) :
02:00 : Started set up.
02:21 : Started scan on 3C147 for  15 min.
02:36 : Stopped scan and started command file.
 '/odisk/gtac/cmd/33_023/01dec17/obs_33_023_block1.txt'
07:28 : Stopped command file and restarted from phase calibrator because source was transiting.
08:29 : Stopped command file. and 
08:36 : Started scan on 3C286.
08:48 : Stopped scan and started new set up which is given bellow.

GSB line observation setup
RF band= 1390 (1330 - 1450)
LO1= 1315 (lower)
IFBW= 18
GSB [ACQ] BW= 16.6666
Total Channel= 512
Line/Center Frequency= 1383.6
CH#[0]= 1385.6833
CH#[512]= 1381.5167
BW= -4.1666
CW= 8.14 (KHz.)
step#= 1 is USEABLE ###
GSB_CONFIG LO5= 137.6499  167.3501
LTA_FILE   L05= 129.3167  175.6833
BASE BAND  LO4= 62.3501  62.3501
tpa 1377.3501 1377.3501 1315 1315 62.3501 62.3501

09:00 : E06 taken for structural work.
09:00 : Started scan on 3C286.
09:14 : Stopped scan and started command file.
 '/odisk/gtac/cmd/33_023/01dec17/obs_33_023_block2.txt'
09:50 : E04 and W05 taken for mechanical work.
12:38 : Stopped command file.
12:41 : Started scan on 3C286.
12:50 : S06 started working.
13:00 : Stopped scan and observation  session is over.