GTAC Observation Log

1. Date : 06/10/2020
2. Observation Sr. No. : 12498
3. Observer : Omkar Suresh Bait, Preetish Kumar Mishra
4. Observer\'s Email : omkar@ncra.tifr.res.in, preetish@ncra.tifr.res.in
5. Project Name : %%H{\\\\\\\\sc i}%% imaging of blue ellipticals from the Subaru Hyper-Suprime-Cam Survey
6. Project Code : 38_082
7. Operator(s) : Manisha, Rupsing, Shilpa, Shriram
8. Command File : /odisk/gtac/cmd/38_082/6oct/obs.cmd
9. LTA File : /gsbifrdata1/06oct/38_082_06oct2020_gsb.lta, /gwbifrdata1/06oct/38_082_06oct2020_gwb.lta.1, /gwbifrdata1/06oct/38_082_06oct2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/38_082.FLAGS.4, /odisk/online1/logflags/38_082.FLAGS.3, /odisk/online1/logflags/38_082.FLAGS.2

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1389.4806 MHz ,RF2 : 1389.4806 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1330 MHz, ILO2 : 1330MHz , IVLO1 : 59.4806 MHz, IVLO2 : 59.4806 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 : 16.666666 MHz
24. Final BW : 4 MHz; Step # 2
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 140.5194
28. LO5 -2  : 164.4806

29. Frequency Parameters (TPA) : 1389.4806 1389.4806 1330 1330 59.4806 59.4806
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :25

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
S04 : Mechanical Work
S03 : Structural repairing. (Mechanical)
W03 : Feed jam.
C12 : No feed.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 06 Oct 2020 12:00:00 - 06 Oct 2020 18:12:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :26

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------------------------------------------------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100.0000
GPU_FINAL_BW  	: 100.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1450  1450
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 38_082
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 OFF12
GPU_BEAM_S  	: OFF
GPU_PFB  	: OFF
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_ENV  	: RELEASED
--------------------------------------------------------------------------
12:00 : Started setup.
12:20 : Power equalized on 3C286.
12:24 : Started command file,
        \'/odisk/gtac/cmd/38_082/6oct/obs.cmd\'
14:24 : S03 released for observation.

16:15 : Halted GWB by mistakenly.

16:18 : Restarted GWB.
16:21 : Restarted command file (10 to 15 mins loss in between observation).

17:59 : Stopped command file.

18:01 : Started scan on 3C286 (Due to 10 to 15 mins loss, extended observation for 12mins).
18:12 : Stopped scan and observing session over.