GTAC Observation Log

1. Date : 15/09/2017
2. Observation Sr. No. : 9748
3. Observer : ARUN KUMAR NAIDU, Periasamy K. Manoharan, BHAL CHANDRA JOSHI, Manjari Bagchi, Gopakumar Achamveedu, Dhruv Pathak, Krishnakumar MA, Mayuresh Surnis, Yogesh Maan, Prakash Arumugasamy
4. Observer's Email : arun@ncra.tifr.res.in, mano@ncra.tifr.res.in, bcj@ncra.tifr.res.in, manjari.bagchi@gmail.com, gopu.tifr@gmail.com, pathakdhruv9786@gmail.com, kkma@ncra.tifr.res.in, mpsurnis@ncra.tifr.res.in, ymaan@ncra.tifr.res.in, prakash@ncra.tifr.res.in
5. Project Name : Extending timing baseline for the ORT-GMRT Indian Pulsar Timing Array (InPTA) experiment
6. Project Code : 32_092
7. Operator(s) : Deepak, Rupsing, Shilpa, Surender
8. Command File : /odisk/gtac/cmd
9. LTA File : /gsbifrdata1/14sep/32_092_14sep2017.lta
10. LogFlag File : /odisk/online1/logflags/32_092.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_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 : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C09 : Servo problem.
C00 : Frequently applying azimuth brakes.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 14 Sep 2017 17:40:00 - 15 Sep 2017 02:10:00

35. ONLINE Machine : Shivneri

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

37. Comments (During Observations) :
# GSB GAC configuration is as follows : 
# BEAM-1:130 :: C01 C02 C03 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18
# BEAM-1:175 :: C01 C02 C03 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18
# BEAM-2:130 :: C01 C02 C03 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18
# BEAM-2:175 :: C01 C02 C03 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18
---------------------------------------------------------------------------
17:40 : Started settings.
18:20:00 : Power equalized on 1822-096 @ 200 counts.

18:36:52 : Phasing done on 1822-096.
18:39:11 : Started scan on J1600-3053 for ~ 41.6075 min.

19:25:00 : Phasing done on 1822-096.
19:28:26 : Started scan on J1643-1224 for ~ 51.808 min.

20:24:00 : Phasing done on 1822-096. 
20:27:12 : Started scan on J1713+0747 for ~ 35.9703 min.

21:07:00 : Phasing done on 1822-096.
21:09:20 : Started scan on B1855+09 for ~ 35.5677 min.

21:49:00 : Phasing done on 1822-096.
21:52:22 : Started scan on J1909-3744 for ~ 51.0027 min.

22:47:00 : Phasing done on 1822-096.
22:49:47 : Started scan on B1937+21 for ~ 15.1268 min.
23:07:42 : Started scan on 1822-096 for ~ 2.14748 min.
23:10:53 : Started scan on 1822-096 for ~ 0.268435 min.
23:14:20 : Started scan on J2124-3358 for ~ 50.8685 min.
00:07:26 : Started scan on 2130+050 for ~ 1.61061 min.
00:09:15 : Started scan on 2130+050 for ~ 1.20796 min.
00:11:47 : Started scan on J2145-0750 for ~ 52.0764 min.
01:05:03 : Started scan on 2130+050 for ~ 1.74483 min.
01:07:06 : Started scan on 2130+050 for ~ 1.34218 min.
01:10:50 : Started scan on J2317+1439 for ~ 46.1709 min.
02:02:30 : Started scan on 3C48 for ~ 2.68435 min.
02:06:48 : Started scan on 3C48 for ~ 3.087 min.
02:10:00 : Stopped scan and observing session over.