GTAC Observation Log

1. Date : 15/02/2019
2. Observation Sr. No. : 10891
3. Observer : Kuntal Misra, Resmi Lekshmi, C.H. IshwaraChandra, Steve Schulze, Paul O`Brien, Nial Rahil Tanvir
4. Observer's Email : kuntal@aries.res.in, l.resmi@gmail.com, ishwar@ncra.tifr.res.in, steve.schulze@weizmann.ac.il, pto2@leicester.ac.uk, nrt3@star.le.ac.uk
5. Project Name : Continued monitoring of GW170817/GRB170817a: Following the journey of the relativistic jet from the first BNS merger
6. Project Code : 35_050
7. Operator(s) : Deepak, Nilesh, Shilpa
8. Command File : /odisk/gtac/cmd/35_050/obs.cmd
9. LTA File : /gsbifrdata1/15feb/35_050_15feb2019_gsb.lta, /gwbifrdata1/15feb/35_050_15feb2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/35_050.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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_lenyadri
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) : 591 591 540 540 51 51
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) :
W01 : bad band shape, chan1 low fringe
C03 : Feed jam.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 15 Feb 2019 00:00:00 - 15 Feb 2019 08:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :28

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  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 35_050
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  	: 128
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 4 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
00:15 : Started scan on 3C286
00:30 : Scan stopped.
00:31 : Started command file

07:40 : Stopped command file.
07:41 : Started scan on 1248-199for ~ 5 min.
07:48 : Started scan on 3C286 for ~ 12 min.
08:00 : Stopped scan and observation closed.