GTAC Observation Log

1. Date : 24/07/2020
2. Observation Sr. No. : 12219
3. Observer : Maryam Arabsalmani, Sambit Roychowdhury, Emeric Le Floc`h
4. Observer\'s Email : mar.arabsalmani@gmail.com, sroychowdhury@uwa.edu.au, elefloch@cea.fr
5. Project Name : Interaction between the massive host galaxy of GRB 190829A and its companion
6. Project Code : 38_097
7. Operator(s) : Manisha, Surender
8. Command File : /odisk/gtac/cmd/38_097/38_097_s1_cmd.txt
9. LTA File : /gsbifrdata/24jul/38_097_24jul2020_gsb.lta.1, /gsbifrdata/24jul/38_097_24jul2020_gsb.lta, /gwbifrdata1/24jul/38_097_24jul2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/38_097.FLAGS.4

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1322.5 MHz ,RF2 : 1322.5 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1385 MHz, ILO2 : 1385MHz , IVLO1 : 62.5 MHz, IVLO2 : 62.5 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) : 1322.5 1322.5 1385 1385 62.5 62.5
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :25

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work
C14 : : Feed jammed.
E06 : : Feed jammed.
S04 : : 130 pol no fringe.
S06 : : No fringe in GWB.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 24 Jul 2020 03:00:00 - 24 Jul 2020 12:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :25

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100.0000
GPU_FINAL_BW  	: 12.5000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1350  1350
GPU_DDCLO4  	: 27.5500  27.5500
GPU_SB4  	: 1 1
GCODE4  	: 38_097
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  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
03:00:00 : Started set-up(GSB-16MHz and GWB 12.5MHz).
03:31:44 : Started scan on 3C48 for ~ 15.9719 min.
03:50:55 : Started scan on 0240-231 for ~ 5.77136 min.
04:01:19 : Started scan on 190829_HOST for ~ 8.99258 min.
04:02:00 : There was two set-up files present in 38_097 area with different bandwidth(16MHz and 4Mhz), after confirmation final BW,
Restarted only GSB with modified (4MHz)setup. 
-----------------------------------------------------------------------
04:16:37 : Started scan on 3C48 for ~ 10.2005 min.
04:32:59 : Started command file.
           \"/odisk/gtac/cmd/38_097/38_097_s1_cmd.txt\"


11:45 : command file stopped
11:50 : started scan on 3c147 ~ 10 mins
12:00 : observation session over.