GTAC Observation Log

1. Date : 09/06/2018
2. Observation Sr. No. : 10322
3. Observer : Nial Rahil Tanvir, Kuntal Misra, Resmi Lekshmi, C.H. IshwaraChandra, Steve Schulze, Paul O`Brien
4. Observer's Email : nrt3@star.le.ac.uk, kuntal@aries.res.in, l.resmi@gmail.com, ishwar@ncra.tifr.res.in, steve.schulze@weizmann.ac.il, pto2@leicester.ac.uk
5. Project Name : Continued monitoring of the radio afterglow of  GW170817/GRB170817a: what is the nature of the outflow from  the first binary Neutron Star merger?
6. Project Code : 34_100
7. Operator(s) : Nilesh, Pramod, Sachin
8. Command File : /odisk/gtac/cmd/34_100/obs.cmd
9. LTA File : /gsbifrdata1/08jun/34_100_08jun2018_gsb.lta, /gwbifrdata1/08jun/34_100_08jun2018_gwb.lta
10. LogFlag File : /odisk/online1/logflags/34_100.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 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 : 33.333333 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 1454 1454 1505 1505 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
S01 : Low frigne in GSB only.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 08 Jun 2018 20:00:00 - 09 Jun 2018 00:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :29

37. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 400.0000
GPU_FINAL_BW  	: 400.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1460  1460
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 34_100
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 4
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
--------------------------------
20:00 : Started set up.
20:14 : Started scan on 3C286 for 10 min.
20:24 : Stopped scan and started command file.
 ' /odisk/gtac/cmd/34_100/obs.cmd '

23:38 : Stopped command file and started scan on phase cal.
23:46 : Started scan on 3C286 for ~ 10 min.
00:00 : Stopped scan and closed observations.