GTAC Observation Log

1. Date : 19/11/2016
2. Observation Sr. No. : 9003
3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Jayanta Roy, Yogesh Maan, Kishalay De, Manjari Bagchi, Gopakumar Achamveedu, Nikhil Vijay Naik
4. Observer's Email : ygupta@ncra.tifr.res.in, bcj@ncra.tifr.res.in, jroy@ncra.tifr.res.in, ymaan@ncra.tifr.res.in, ugkishalayde@ug.iisc.in, manjari.bagchi@gmail.com, gopu.tifr@gmail.com, naiknikhil27@gmail.com
5. Project Name : Towards precision pulsar timing with the upgraded GMRT
6. Project Code : 31_057
7. Operator(s) : Pramod, Shilpa, Surender
8. Command File : /odisk/gtac/cmd
9. LTA File : /gsbifrdata/19nov/31_057_325MHz_19nov2016.lta, /gsbifrdata/19nov/31_057_1420MHz_19nov2016.lta
10. LogFlag File : /odisk/online1/logflags/SUBA2.FLAGS.1020, /odisk/online1/logflags/31_057.FLAGS.3

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 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 : 33.333333 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 1454 1454 1505 1505 51 51
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): 19 Nov 2016 11:00:00 - 19 Nov 2016 16:06:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
# 325MHz # sub 2 # C00 C01 C02 C05 C09 C12 C13 C14 W01 S01
ante 10 7 6 5 19 4 2 11 10 8 26
cp 0;defs 2;subar 2
---------------------------------------------------------------------------
# 1420 MHz # sub 4 # C03 C04 C06 C08 C10 C11 W02 W03 W04 W05 W06 E02 E03 E04 E05 E06 S02 S03 S04 S06
ante 20 1 3 20 24 12 9 13 14 15 16 25 17 18 21 22 23 27 28 29 30
cp 0;defs 4;subar 4
---------------------------------------------------------------------------
Antennas selected in GSB GAC : C00 C01 C02 C05 C09 C12 C13 C14 S01 W01
---------------------------------------------------------------------------
Antennas selected in GWB GAC : 
# 325MHz # suba 2 # C00 C01 C02 C05 C14
# 1420MHz # suba 4 # C03 C04 C06 C08 C10 C11 E02 S02 S03 W02 W03
---------------------------------------------------------------------------
10:50 : Started set up.
11:30 : Power equalized and phasing done 3C286.

11:41:34 : Phasing done on 1248-199.
11:44:22 : Started scan on J1455-3330 for ~ 20.8037 min.

12:11:40 : Phasing done on 1822-096.
12:14:20 : Started scan on J1614-2230 for ~ 21.2064 min.
12:37:44 : Started scan on B1642-03 for ~ 5.50292 min.

12:53:00 : Phasing done on 1609+266.
12:55:34 : Started scan on J1640+2224 for ~ 20.9379 min.

13:24:00 : Phasing done on 1822-096.
13:25:43 : Started scan on J1713+0747 for ~ 20.8037 min.

13:52:00 : Phasing done on 1822-096.
13:52:40 : Started scan on J1730-2304 for ~ 20.5353 min.

14:17:00 : Phasing done on 1822-096.
14:19:07 : Started scan on J1738+0333 for ~ 20.6695 min.

14:43:00 : Phasing done on 1822-096.
14:45:07 : Started scan on J1857+0943 for ~ 20.50027 min.

15:08:55 : Started scan on 1830-360 for ~ 2.81857 min.
15:12:14 : Started scan on 1830-360 for ~ 1.47639 min.
15:14:45 : Started scan on J1909-3744 for ~ 20.8037 min.
15:40:48 : Started scan on 2202+422 for ~ 2.14748 min.
15:43:30 : Started scan on 2202+422 for ~ 1.20796 min.
15:45:00 : Stopped cd pipeline recording due to Node54 /data2 disk full.
15:45:44 : Started scan on J2302+4442 for ~ 20.55013 min.
14:06:00 : Stopped scan and observing session over.
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