GTAC Observation Log

1. Date : 27/09/2015
2. Observation Sr. No. : 8095
3. Observer : O.Ivy Wong, Chandreyee Sengupta, Gyula I.G. Józsa, Kevin Schawinski, Karen Masters
4. Observer's Email : ivy.wong@csiro.au, sengupta.chandreyee@gmail.com, gjozsa@ska.ac.za, kevin.schawinski@phys.ethz.ch, karen.masters@port.ac.uk
5. Project Name :  Probing the cause of rapid star formation truncation in galaxies
6. Project Code : 28_086
7. Operator(s) : Nilesh, Surender
8. Command File : /odisk/gtac/cmd/28_086/obs1.cmd
9. LTA File : /gsbifrdata/27sep/28_086_27sep2015.lta
10. LogFlag File : /odisk/online1/logflags/28_086.FLAGS.6, /odisk/online1/logflags/28_086.FLAGS.5

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1372 MHz ,RF2 : 1372 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1310 MHz, ILO2 : 1310MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1
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 : 16.666666 MHz; Step # 
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 138
28. LO5 -2  : 167

29. Frequency Parameters (TPA) : 1372 1372 1310 1310 62 62
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C00 : Painting.
S02 : BLDC installation

33. Note for Backup :

34. Start and End Time of Obs.(IST): 27 Sep 2015 09:00:00 - 27 Sep 2015 19:00:00

35. ONLINE Machine : Shivneri

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

37. Comments (During Observations) :
09:00 : Started settings.
09:16 : Started scan on 3C286 for ~ 11 min.
09:28 : Started scan on 3C286 for ~ 15 min.
09:32 : C00 taken for Painting.
09:44 : Started command file.
        '/odisk/gtac/cmd/28_086/obs1.cmd'

10:08 : C02 taken for Maintenance.
10:13 : C03 taken for Painting.
10:34 : C02 released for observation.
14:00 : C11 servo problem (not tracking properly).
14:37 : C11 Not releasing brakes.
15:00 : C03 released for observation.
16:40 : C00 released for observation.
18:40 : Stopped command file.
18:42 : Started scan on 3C286.
19:00 : Stopped scan and observing session is over.