GTAC Observation Log

1. Date : 27/03/2016
2. Observation Sr. No. : 8500
3. Observer : Poonam Chandra, Divya Oberoi

4. Observer's Email : poonam@ncra.tifr.res.in, div@ncra.tifr.res.in

5. Project Name : Study of the remarkable magnetic “lighthouse” Bp star HD 133880 with the uGMRT 
6. Project Code : DDTU07
7. Operator(s) : Nilesh
8. Command File : /odisk/gtac/cmd/poonam/ugmrt-uga.07/22feb2016/obs.cmd
9. LTA File : /gsbifrdata/27mar/ddtu07_27mar2016_gsb.lta
10. LogFlag File : /odisk/online1/logflags/DDTU07.FLAGS.3, /odisk/online1/logflags/DDTU07.FLAGS.2

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+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
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 : 33.333333 MHz; Step # 
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
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 :28

32. Name of Non-Working Antennas (with reason for each) :
C14 : : Servo problem.
E06 : : Reflector surface refurbishment.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 27 Mar 2016 00:00:00 - 27 Mar 2016 03:00:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
NOTE : UGMRT proposal.
       Anteannas used :
       C01,C06,C08,C10,C11,C12,C13,E02,E03,E04,E05,E06,S02,S03,W01,W02
       BW = 400 MHz, Chan = 2048, Total Intensity, 10 sec integration.
       GWB LTA FILE :
         /data2/gpuuser/27mar/ddtuga07_27mar2016_1450mhz_gwb.lta
-------------------------------------------------------------------------
00:00 : Started settings.
00:05 : Source not risen, rising at 00:24 IST.
00:20 : Started scan on 3C286 for ~ 5.23449 min.
00:27 : Started command file.


00:43 : GWB got killed automatically.
00:46 : Restarted ONLY GWB.

02:46 : Stopped command file.
02:53 : Started scan on 3C286 for ~ 10 min.
03:03 : Stopped scan and closed observations.