GTAC Observation Log

1. Date : 06/01/2021
2. Observation Sr. No. : 12774
3. Observer : Poonam Chandra, Ayan Biswas, Sonalika Purkayastha, Nayana AJ, Roger Chevalier, Keiichi Maeda, Peter Brown, Alak Ray
4. Observer\'s Email : poonam@ncra.tifr.res.in, ayan.scc2@gmail.com, spurkayastha@ncra.tifr.res.in, nayan89deva@gmail.com, rac5x@virginia.edu, keiichi.maeda@kusastro.kyoto-u.ac.jp, grbpeter@yahoo.com, akr@tifr.res.in
5. Project Name : Understanding young supernovae interacting with their progenitor winds with the aid of low frequency observations
6. Project Code : 39_078
7. Operator(s) : Deepak, Rupsing
8. Command File : /data1/gtac/cmd/poonam/39_078/obs_06jan2020.py
9. LTA File : /gsbifrdata/06jan/39_078_06jan2020_gsb.lta, /gwbifrdata/06jan/39_078_06jan2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/39_060.FLAGS.23

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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 : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 1409 1409 1460 1460 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C05 : Servo problem.
W03 : Servo problem.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 06 Jan 2021 07:00:00 - 06 Jan 2021 09:00:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :
----------------GWB-------------------------------
GPU_MODE    = 0
GPU_LTA     = 4
GPU_ACQ_BW  = 400.0000
GPU_FINAL_BW= 1
GPU_EDGE_FRQ= 0
GPU_CHAN_MAX= 2048
GPU_CHAN_NUM= 0:2047:1
GPU_STOKES  = 2
GPU_RF      = 1460 1460
-------------------------------------------------
07:25 : Setup done.
07:35 : Started scan on 3C286.
07:43 : Stopped scan and started command file.
09:30 : Stopped command file.
09:33 : Started scan on 3C286
09:41 : Stopped scan and observation closed.