GTAC Observation Log

1. Date : 27/11/2016
2. Observation Sr. No. : 9023
3. Observer : BHAL CHANDRA JOSHI, Gopakumar Achamveedu, Manjari Bagchi, Mayuresh Surnis, Yogesh Maan, ARUN KUMAR NAIDU, Periasamy K. Manoharan, Krishnakumar MA
4. Observer's Email : bcj@ncra.tifr.res.in, gopu.tifr@gmail.com, manjari.bagchi@gmail.com, mpsurnis@ncra.tifr.res.in, ymaan@ncra.tifr.res.in, arun@ncra.tifr.res.in, mano@ncra.tifr.res.in, kkma@ncra.tifr.res.in
5. Project Name : Extending timing baseline for the pilot proposal for Indian Pulsar Timing Array (InPTA)
6. Project Code : 31_107
7. Operator(s) : Deepak, Nilesh, Pramod, Shilpa
8. Command File : /odisk/gtac/cmd
9. LTA File : /gsbifrdata/27nov/31_107_27nov2016.lta
10. LogFlag File : /odisk/online1/logflags/31_107.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1292 MHz ,RF2 : 1292 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1230 MHz, ILO2 : 1230MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 16 MHz,OFF, IF-CH2 : 24+4 dB, 16 MHz,OFF

GSB SETTINGS :

14. GSB Host : gsbm1_lenyadri
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : OFF
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : Volt
23. ACQ BW : 16.666666 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 138
28. LO5 -2  : 167

29. Frequency Parameters (TPA) : 1292 1292 1230 1230 62 62
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) :
W04 : For painting.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 27 Nov 2016 10:00:00 - 27 Nov 2016 18:00:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
GAC Config : C00 C01 C02 C03 C04 C05 C06 C08 C09 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 
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10:00 : Started settings.

10:30 : Power equalized on 1822-096 @ 200 counts.

10:42:04 : Phasing done on 1822-096.
10:45:45 : Started scan on J1600-3053 for ~ 38.9231 min.



11:31:02 : Phasing done on 1822-096.
11:33:06 : Started scan on J1643-1224 for ~ 41.2048 min.

12:19:00 : Phasing done on 1822-096.
12:20:54 : Started scan on J1713+0747 for ~ 36.5072 min.

13:02:00 : Phasing done on 1822-096.
13:05:02 : Started scan on B1855+09 for ~ 46.1709 min.

13:56:00 : Phasing done on 1822-096.
14:00:34 : Started scan on J1909-3744 for ~ 46.1709 min.

14:52:00 : Phasing done on 1822-096.
14:57:52 : Started scan on B1937+21 for ~ 15.71088 min.
15:21 : C12 remove from GAC because of servo problem.
15:23:08 : Phasing done on 1822-096.
15:26:53 : Started scan on J2124-3358 for ~ 42.0101 min.
16:13:23 : Phasing done on 1822-096.
16:18:53 : Started scan on J2145-0750 for ~ 36.1045 min.
16:59:41 :  Phasing done on 1822-096.
17:07:00 : Started scan on J2317+1439 for ~ 41.0706 min.
17:50:12 : Started scan on 3C48 for ~ 2.01326 min.
17:53:58 : Started scan  +5d off on 3C48 for ~ 1.34218 min.
17:55 : Stopped scan and observation session is over.