GTAC Observation Log 1. Date : 03/09/2016 2. Observation Sr. No. : 8869 3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Jayanta Roy, Yogesh Maan, Kishalay De, Manjari Bagchi, Prajwal Padmanabh, 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, prajwal3108@gmail.com, gopu.tifr@gmail.com, naiknikhil27@gmail.com 5. Project Name : Towards high precision pulsar timing with the upgraded GMRT 6. Project Code : 30_043 7. Operator(s) : Navnath, Pramod, Rupsing, Sachin 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/03sep/30_043_325MHz_03sep2016.lta, /gsbifrdata1/03sep/30_043_1420MHz_03sep2016.lta 10. LogFlag File : /odisk/online1/logflags/SUBA4.FLAGS.829, /odisk/online1/logflags/SUBA2.FLAGS.999 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 :27 32. Name of Non-Working Antennas (with reason for each) : W04 : ABC time out. W03 : Servo problem C13 : 130 pol low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 Sep 2016 15:00:00 - 03 Sep 2016 20:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 14:00 : Started set up. # 325MHz # suba 2 # C00 C01 C02 C05 C09 C10 C13 C14 W01 S01 ante 10 7 6 5 19 4 12 11 10 8 26 cp 0;defs 2;subar 2 tpa 306 306 255 255 51 51 # 1420MHz # suba 4 # C03 C04 C06 C08 C11 C12 W02 W03 W04 W05 W06 E02 E03 E04 E05 E06 S02 S03 S04 S06 ante 20 1 3 20 24 9 2 13 14 15 16 25 17 18 21 22 23 27 28 29 30 cp 0;defs 4;subar 4 tpa 1454 1454 1505 1505 51 51 Antennas selected in GWB GAC : Beam 1 : # 325MHz # suba 2 # C00 C01 C02 C05 C13 (Broadband antennas) = 5 Beam 2 : # 1420MHz # suba 4 # C03 C04 C06 C08 C11 E02 E03 S02 S03 W02 = 10 Antennas connected in GWB : C00 C01 C02 C03 C04 C05 C06 C08 C11 C13 E02 E03 S02 S03 W02 W03 --------------------------------------------------------------------------- 14:45 : Power equalized and phasing done on 3C286. 14:40:52 : Started scan on 3C286 for ~ 5.3687 min. 14:50:53 : Started scan on 3C286 for ~ 3.48966 min. 15:03:44 : Started scan on 1248-199 for ~ 1.61061 min. 15:05:51 : Started scan on 1248-199 for ~ 2.68435 min. 15:09:10 : Started scan on 1248-199 for ~ 1.87905 min. 15:12:52 : Started scan on J1455-3330 for ~ 20.6695 min. 15:36:16 : Started scan on 1822-096 for ~ 1.61061 min. 15:38:14 : Started scan on 1822-096 for ~ 2.14748 min. 15:40:51 : Started scan on 1822-096 for ~ 0.268435 min. 15:43:01 : Started scan on J1614-2230 for ~ 21.2064 min. 16:06:35 : Started scan on B1642-03 for ~ 6.17401 min. 16:15:20 : Started scan on 1609+266 for ~ 1.87905 min. 16:17:32 : Started scan on 1609+266 for ~ 3.48966 min. 16:21:41 : Started scan on 1609+266 for ~ 0.53687 min. 16:23:56 : Started scan on J1640+2224 for ~ 20.9379 min. 16:47:25 : Started scan on 1822-096 for ~ 2.68435 min. 16:50:45 : Started scan on 1822-096 for ~ 0.53687 min. 16:53:03 : Started scan on J1713+0747 for ~ 20.9379 min. 17:16:23 : Started scan on 1822-096 for ~ 1.61061 min. 17:18:32 : Started scan on 1822-096 for ~ 0.268435 min. 17:20:23 : Started scan on J1730-2304 for ~ 20.1326 min. 17:42:32 : Started scan on 1822-096 for ~ 1.61061 min. 17:44:33 : Started scan on 1822-096 for ~ 0.268435 min. 17:47:13 : Started scan on J1738+0333 for ~ 20.1326 min. 18:09:17 : Started scan on 1822-096 for ~ 0.53687 min. 18:11:25 : Started scan on J1741+1351 for ~ 20.9379 min. 18:34:38 : Started scan on 3C286F1 for ~ 0.268435 min. 18:35:15 : Started scan on 1822-096 for ~ 1.61061 min. 18:37:23 : Started scan on 1822-096 for ~ 0 min. 18:40:50 : Started scan on J1857+0943 for ~ 20.4011 min. 19:03:38 : Started scan on 1830-360 for ~ 1.61061 min. 19:05:41 : Started scan on 1830-360 for ~ 0 min. 19:06:56 : Started scan on J1909-3744 for ~ 20.1326 min. 19:33:23 : Started scan on 2202+422 for ~ 1.34218 min. 19:35:26 : Started scan on 2202+422 for ~ 1.34218 min. 19:38:25 : Started scan on J2302+4442 for ~ 20.0000 min. 20:00:00 : Observing session over. ----------------------------------------------------------