GTAC Observation Log 1. Date : 19/02/2017 2. Observation Sr. No. : 9207 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) : Pramod, Sachin, Surender 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/19feb/31_107_19feb2017.lta 10. LogFlag File : /odisk/online1/logflags/31_107.FLAGS.4 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, E03 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Feb 2017 05:00:00 - 19 Feb 2017 13:00:00 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 (TOTAL 18 ANTEENAS) -------------------------------------------------------------- 05:00 : Started set-up. ----------------------------------------------------------------------- 05:31:45 : Started scan on 1822-096 for ~ 1.87905 min. 05:33:59 : Started scan on 1822-096 for ~ 7.78462 min. 05:42:10 : Power eq and phsing done on on 1822-096. 05:44:20 : Started scan on J1600-3053 for ~ 35.7019 min. 06:22:54 : Started scan on 1822-096 for ~ 2.14748 min. 06:25:29 : Started scan on 1822-096 for ~ 1.34218 min. 06:28:26 : Started scan on J1643-1224 for ~ 30.0647 min. 07:11:59 : Started scan on 1822-096 for ~ 1.07374 min. 07:13:28 : Started scan on 1822-096 for ~ 0.53687 min. 07:15:56 : Started scan on J1713+0747 for ~ 35.165 min. 07:53:07 : Started scan on 1822-096 for ~ 0.805306 min. 07:54:14 : Started scan on 1822-096 for ~ 0.805306 min. 07:57:09 : Started scan on B1855+09 for ~ 35.7019 min. 08:34:59 : Started scan on 1822-096 for ~ 0.805306 min. 08:36:00 : Started scan on 1822-096 for ~ 1.87905 min. 08:40:11 : Started scan on J1909-3744 for ~ 40.5337 min. 09:22:48 : Started scan on 1822-096 for ~ 1.61061 min. 09:24:48 : Started scan on 1822-096 for ~ 1.07374 min. 09:35:46 : Started scan on B1937+21 for ~ 16.1061 min. 10:00:04 : Started scan on 1822-096 for ~ 1.61061 min. 10:01:49 : Started scan on 1822-096 for ~ 1.61061 min. 10:06:15 : Started scan on J2124-3358 for ~ 40.5337 min. 10:49:35 : Started scan on 1822-096 for ~ 0.805306 min. 10:50:44 : Started scan on 1822-096 for ~ 0.805306 min. 10:55:12 : Started scan on J2145-0750 for ~ 40.2653 min. 11:42:26 : Started scan on 1822-096 for ~ 0.805306 min. 11:43:33 : Started scan on 1822-096 for ~ 1.34218 min. 11:50:52 : Started scan on J2317+1439 for ~ 51.0027 min. 12:44:17 : Started scan on 3C48 for ~ 1.61061 min. 12:47:41 : Started scan +5d off on 3C48 for ~ 1.61061 min. 12:50 : Stopped scan and observation session is over. -----------------------------------------------------------------------