GTAC Observation Log

1. Date : 02/06/2023
2. Observation Sr. No. : 15465
3. Observer : Lei Yang, Sun, Zhang Fabao Zhang, Xinwen Shu, YOGESH CHANDOLA, Tinggui Wang, Ning Jiang, Liming Dou
4. Observer\'s Email : 3130959272@qq.com, sunluming@ahnu.edu.cn, zhang681@mail.ahnu.edu.cn, xwshu@ahnu.edu.cn, yogesh.chandola@gmail.com, twang@ustc.edu.cn, jnac@mail.ustc.edu.cn, doulm@gzhu.edu.cn
5. Project Name : Witnessing the fast jet ejections towards the end of an AGN state-transition 
6. Project Code : 44_054
7. Operator(s) : Nilesh
8. Command File : /data1/gtac/cmd/44_054/44_054_02Jun2023_1600_cmd.py
9. LTA File : /gwbifrdata1/02jun/44_054_02jun2023_b4_gwb.lta.1, /gwbifrdata1/02jun/44_054_02jun2023_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 : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
C04 : RF not set.
C05 : FPS problem.
E03 : Strong RFI.
S03 : STrong RFI.
W02 : Mechanical work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 02 Jun 2023 16:00:00 - 02 Jun 2023 17:00:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :
******************************************************************* 
Important Note for Observer:
The refurbishment work of the W02 antenna reflector surface is 
currently in progress. The refurbishment of the inner sectors 
will commence from 16th May 2023 onwards. Please note that this 
ongoing work may affect the sensitivity of the antenna and could 
also alter the primary beam pattern depending on the size of the
holes present on the surface. We advise exercising caution in 
using the antenna, particularly if your targets are extended or 
if you are using a wide field. 
******************************************************************* 

16:00 : Started settings.

16:14 : Started command file.
         /data1/gtac/cmd/44_054/44_054_02Jun2023_1600_cmd.py


16:14:40 : Started scan on 3C286 for ~ 7.20301 min.
16:24:08 : Started scan on 1313+675 for ~ 4.16075 min.
16:29:29 : Started scan on J1133 for ~ 20.3563 min.

16:45 : Noticed that ACQ got killed automatically at 16:30 IST.
16:53 : RESTARTED GWB.

16:54:46 : Started scan on 3C286 for ~ 4.07127 min.
17:01:33 : Started scan on 1313+675 for ~ 3.3107 min.
17:05:59 : Started scan on J1133 for ~ 17.4483 min.
17:25:18 : Started scan on 1313+675 for ~ 3.17648 min.
17:30:55 : Started scan on 3C286 for ~ 3.17648 min.

17:35 : Stopped scan and observation closed.