GTAC Observation Log

1. Date : 27/10/2023
2. Observation Sr. No. : 15975
3. Observer : Bharti Arora, Michael De Becker, Anandmayee Tej
4. Observer\'s Email : bhartiarora612@gmail.com, Michael.DeBecker@uliege.be, anandmayee.tej@gmail.com
5. Project Name : Investigating the gradual exit of WR125 from its periastron passage: a unique opportunity for the next 30 years
6. Project Code : 45_010
7. Operator(s) : Nilesh, Sachin, Surender
8. Command File : /data1/gtac/cmd/45_010/45_010_27Oct2023_2000_cmd.py
9. LTA File : /gsbifrdata/27oct/45_010_27oct2023_b4_gsb.lta, /gwbifrdata/27oct/45_010_27oct2023_b4_gwb.lta
10. LogFlag File :  

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_shivneri
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE/TGC
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) :
C13 : LMC Down.
E02 : LMC Down.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 27 Oct 2023 20:00:00 - 27 Oct 2023 23:20:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 470  470
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: SUBA4
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 8
GPU_GAINEQ  	: ON
GPU_TPA  	: From online/TGC tpa
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: Voltage Detection
GPU_BEAM_S  	: OFF
GPU_PFB  	: ON
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_WALSH  	: OFF
GPU_ENV  	: RELEASED
--------------------------------
20:00:00 : Started set-up.
20:25:25 : Started cmd file.
           /data1/gtac/cmd/45_010/45_010_27Oct2023_2000_cmd.py

20:27:26 : Started scan on 3C48 for ~ 10.2005 min.
20:42:49 : Started scan on 1924+334 for ~ 5.23449 min.
21:03:24 : Started scan on WR125 for ~ 38.1178 min.
21:43:09 : Started scan on 1924+334 for ~ 5.23449 min.
21:49:54 : Started scan on WR125 for ~ 38.1178 min.
22:29:31 : Started scan on 1924+334 for ~ 5.23449 min.
22:36:16 : Started scan on WR125 for ~ 17.0456 min.
22:55:18 : Started scan on 1924+334 for ~ 7.78462 min.
23:06:41 : Started scan on 3C48 for ~ 1.34218 min.
23:08:21 : Started scan on 3C48 for ~ 7.91884 min.
23:20:00 : Observation session over.