GTAC Observation Log

1. Date : 31/07/2020
2. Observation Sr. No. : 12249
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) : Nilesh
8. Command File : /odisk/gtac/cmd/38_082/obs.txt
9. LTA File : /gsbifrdata1/31jul/38_082_31jul2020_gsb.lta, /gwbifrdata1/31jul/38_082_31jul2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/38_082.FLAGS.1, /odisk/online1/logflags/38_082.FLAGS, /odisk/online1/logflags/38_010.FLAGS.25, /odisk/online1/logflags/38_010.FLAGS.24

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 :29

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work

33. Note for Backup :

34. Start and End Time of Obs.(IST): 31 Jul 2020 17:00:00 - 31 Jul 2020 23:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :29

37. RFI Status :

38. Comments (During Observations) :
17:00 : Started settings.

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 2
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 OFF
GPU_BEAM_S  	: OFF
--------------------------------

17:16 : Started scan on 3C286 for ~ 10.469 min.
17:31 : Started command file.
          /odisk/gtac/cmd/38_082/obs.txt

22:37 : Stopped command file.
22:39 : Started scan on 3C286 for ~ 12 min.
22:51 : Stopped scan and observation closed.

        NOTE :
        OBSERVING SOURCES including calibrators got set below horizon.