GTAC Observation Log

1. Date : 31/01/2017
2. Observation Sr. No. : 9173
3. Observer : Nissim Kanekar, Jayaram Narayanan Chengalur, Jason X. Prochaska
4. Observer's Email : nkanekar@ncra.tifr.res.in, chengalur@ncra.tifr.res.in, xavier@ucolick.org
5. Project Name : %latex% The Spin Temperature of High-Redshift Damped Lyman-$\\\\alpha$ systems
6. Project Code : 31_094
7. Operator(s) : Deepak, Sachin, Surender
8. Command File : /odisk/gtac/cmd/nissim/j1138\+0428.cmd,, /odisk/gtac/cmd/nissim/j1412\+1257.cmd
9. LTA File : /gsbifrdata1/30jan/31_094_30jan2017.lta.2, /gsbifrdata1/30jan/31_094_30jan2017.lta.1, /gsbifrdata1/30jan/31_094_30jan2017.lta, /gwbifrdata/30jan/31_094_30jan2017_500lo_gwb.lta
10. LogFlag File : /odisk/online1/logflags/31_094.FLAGS, /odisk/online1/logflags/31_014.FLAGS.3

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 447.3 MHz ,RF2 : 447.3 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 510 MHz, ILO2 : 510MHz , IVLO1 : 62.7 MHz, IVLO2 : 62.7 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 : 16.666666 MHz
24. Final BW : 2 MHz; Step # 4
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 138
28. LO5 -2  : 167

29. Frequency Parameters (TPA) : 447.3 447.3 510 510 62.7 62.7
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :30

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

33. Note for Backup :

34. Start and End Time of Obs.(IST): 30 Jan 2017 23:00:00 - 31 Jan 2017 09:30:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :30

37. Comments (During Observations) :
23:00 : Started set-up.
23:35 : Started command file.
"/odisk/gtac/cmd/nissim/j1138+0428.cmd"
01:55 : Stopped command file.
01:59 : Started scan on 3C286 for 6mins.
------------------------------------------
02:05 : Started observation-2 set-up.
------------------------------------------
02:13 : Started command file.
/odisk/gtac/cmd/nissim/j1412+1257.cmd
04:20 : Stopped command file.
04:26 : Started scan on 3C286 for 6mins.
-------------------------------------------
04:35: Started observation-2 set-up.
-------------------------------------------
04:42 : Started command file.
/odisk/gtac/cmd/nissim/j1634+3203.cmd
08:49 : Stopped command file and stopped scan on source.
09:05 : Started scan on 3C324 for ~ 4.83183 min.
09:12 : Started scan on 3C286 for ~ 16.1061 min.
09:28 : Stopped scan and closed observation session.