GTAC Observation Log 1. Date : 26/01/2017 2. Observation Sr. No. : 9161 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) : Navnath, Surender 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/26jan/31_107_26jan2017.lta.1, /gsbifrdata1/26jan/31_107_26jan2017.lta 10. LogFlag File : /odisk/online1/logflags/31_107.FLAGS.3 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 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 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 :28 32. Name of Non-Working Antennas (with reason for each) : C03 : : Low fringe@130 pol. W03 : : ABC time-out. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 26 Jan 2017 07:00:00 - 26 Jan 2017 15:07:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : GAC Selection : All CSQ (Except C03) + S01 S02 W01 W02 E02 E03 : Total 19 antennas. -------------------------------------------------------------------------- 07:00:00 : Started set-up. 07:29:45 : Power eq and phasing done on 1822-096. ----------------------------------------------------------------------- 07:29:45 : Started scan on 1822-096 for ~ 0.53687 min. 07:31:03 : Started scan on 1822-096 for ~ 4.83183 min. 07:38:19 : Started scan on J1600-3053 for ~ 42.4128 min. 08:23:19 : Started scan on 1822-096 for ~ 1.34218 min. 08:25:04 : Started scan on 1822-096 for ~ 1.87905 min. 08:28:49 : Started scan on J1643-1224 for ~ 42.6812 min. 09:13:44 : Started scan on 1822-096 for ~ 1.07374 min. 09:15:16 : Started scan on 1822-096 for ~ 0.805306 min. 09:18:04 : Started scan on J1713+0747 for ~ 38.1178 min. 09:58:37 : Started scan on 1822-096 for ~ 13.4218 min. 10:12:37 : Started scan on 1822-096 for ~ 0.53687 min. 10:14:57 : Started scan on B1855+09 for ~ 35.9703 min. 10:52:43 : Started scan on 1822-096 for ~ 0.805306 min. 10:53:53 : Started scan on 1822-096 for ~ 1.07374 min. 10:57:06 : Started scan on J1909-3744 for ~ 35.9703 min. 11:34:52 : Started scan on 1822-096 for ~ 1.61061 min. 11:37:04 : Started scan on 1822-096 for ~ 1.34218 min. 11:45:34 : Started scan on B1937+21 for ~ 15.5692 min. 12:05:15 : Started scan on 1822-096 for ~ 1.07374 min. 12:06:39 : Started scan on 1822-096 for ~ 1.87905 min. 12:11:10 : Started scan on J2124-3358 for ~ 40.8022 min. 12:55:00 : Started scan on 1822-096 for ~ 1.87905 min. 12:57:12 : Started scan on 1822-096 for ~ 0.268435 min. 13:01:11 : Started scan on J2145-0750 for ~ 49.1236 min. 13:53:21 : Started scan on 1822-096 for ~ 3.48966 min. 13:57:28 : Started scan on 1822-096 for ~ 0.805306 min. 14:03:51 : Started scan on J2317+1439 for ~ 51.808 min. 14:58:54 : Started scan on 3C48 for ~ 4.5634 min. 15:04:37 : Started scan on 3C48 for ~ 1.07374 min. -----------------------------------------------------------------------