GTAC Observation Log

1. Date : 05/03/2017
2. Observation Sr. No. : 9239
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) : Nilesh, Pramod, Rupsing, Shilpa
8. Command File :  
9. LTA File : /gsbifrdata1/05mar/31_107_05mar2017.lta.2, /gsbifrdata1/05mar/31_107_05mar2017.lta.1, /gsbifrdata1/05mar/31_107_05mar2017.lta
10. LogFlag File : /odisk/online1/logflags/31_107.FLAGS.5

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 : 20+14 dB, 16 MHz,ON, IF-CH2 : 20+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 : 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 : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
E03 : : FPS Maintenance work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 05 Mar 2017 04:00:00 - 05 Mar 2017 12:00:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
04:00 : Started settings.
04:15 : Started power eq @ 200 counts on 1822-096.
04:30 : Started phasing on 1822-096.
04:42 : Phasing done.
# GSB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 W01 W02 Total=19
# BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 W01 W02 Total=19
# BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 W01 W02 Total=19
# BEAM-2:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 W01 W02 Total=19

04:46:53 : Started scan on J1600-3053 for ~ 40.5337 min.
05:30:06 : Started scan on 1822-096 for ~ 0.805306 min.
05:31:17 : Started scan on 1822-096 for ~ 2.01326 min.
05:33:53 : Started scan on 1822-096 for ~ 1.47639 min.
05:37:06 : Started scan on J1643-1224 for ~ 41.0706 min.
06:20:12 : Started scan on 1822-096 for ~ 1.07374 min.
06:21:38 : Started scan on 1822-096 for ~ 1.74483 min.
06:23:32 : Started scan on 1822-096 for ~ 3.62388 min.
06:29:05 : Started scan on J1713+0747 for ~ 38.1178 min.
NOTE : From 07:10 to 7:20 : Online problem.
07:20:56 : Started scan on 1822-096 for ~ 1.07374 min.
07:22:17 : Started scan on 1822-096 for ~ 0.53687 min.
07:25:01 : Started scan on B1855+09 for ~ 35.7019 min.
08:02:58 : Started scan on 1822-096 for ~ 0.939523 min.
08:04:16 : Started scan on 1822-096 for ~ 0.671088 min.
08:07:02 : Started scan on J1909-3744 for ~ 40.6679 min.
08:49:35 : Started scan on 1822-096 for ~ 1.61061 min.
08:51:26 : Started scan on 1822-096 for ~ 0.805306 min.
08:58:27 : Started scan on B1937+21 for ~ 15.0324 min.
09:09 : South arm power failure.Hence remove S01 and S02 from GAC.
09:13:41 : Started scan on B1937+21 for ~ 2.95279 min.
09:24:17 : Started scan on 1822-096 for ~ 1.20796 min.
09:25:46 : Started scan on 1822-096 for ~ 0.53687 min.
09:26 : S01 and S02 added in GAC.
09:29:01 : Started scan on J2124-3358 for ~ 40.5337 min.
10:12:18 : Started scan on 1822-096 for ~ 1.20796 min.
10:13:46 : Started scan on 1822-096 for ~ 1.34218 min.
10:18:50 : Started scan on J2145-0750 for ~ 35.5677 min.
10:57:28 : Started scan on 1822-096 for ~ 1.20796 min.
10:58:58 : Started scan on 1822-096 for ~ 1.07374 min.
11:05:55 : Started scan on J2317+1439 for ~ 46.4393 min.
11:54:36 : Started scan on 3C48 for ~ 1.74483 min.
11:57:51 : Started scan on 3C48 for ~ 0.939523 min.
12:00 : Stopped scan and observation session is over.
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