GTAC Observation Log 1. Date : 29/08/2016 2. Observation Sr. No. : 8858 3. Observer : BHAL CHANDRA JOSHI, Gopakumar Achamveedu, Manjari Bagchi, 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, ymaan@ncra.tifr.res.in, arun@ncra.tifr.res.in, mano@ncra.tifr.res.in, kkma@ncra.tifr.res.in 5. Project Name : Continuing observations for a Pilot proposal for an Indian Pulsar Timing Array (IndPTA) 6. Project Code : 30_050 7. Operator(s) : Navnath, Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /gsbifrdata/28aug/30_050_28aug2016.lta 10. LogFlag File : /odisk/online1/logflags/30_050.FLAGS.10 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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : E06 : Mechanical work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Aug 2016 18:00:00 - 29 Aug 2016 00:30:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : GAC Config : C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 ----------------------------------------------------------------------------- 18:00:00 : Started settings. 18:19:28 : Power equalized on 1822-096 @ 200 counts. 18:44:13 : Phasing done on 1626-298. 18:47:39 : Started scan on J1600-3053 for ~ 37.5809 min. 19:27:14 : Started scan on J1643-1224 for ~ 30.3332 min. 20:02:31 : Phasing done on 1822-096. 20:05:22 : Started scan on J1713+0747 for ~ 30.3332 min. 20:40:02 : Started scan on B1855+09 for ~ 30.3332 min. 21:15:00 : Phasing done on 1822-096. 21:17:45 : Started scan on J1909-3744 for ~ 41.339 min. 22:06:12 : Started scan on B1937+21 for ~ 15.0324 min. 22:30:00 : Phasing done on 2130+050. 22:32:47 : Started scan on J2124-3358 for ~ 31.53687 min. 23:05:44 : Started scan on J2145-0750 for ~ 30.3332 min. 23:37:50 : Started scan on 2130+050 for ~ 1.34218 min. 23:39:37 : Started scan on 2130+050 for ~ 1.61061 min. 23:45:28 : Started scan on J2317+1439 for ~ 30.3332 min. 00:18:17 : Started scan on 3C48 for ~ 3.22122 min. 00:23:32 : Started scan on 3C48 for ~ 4.02653 min. 00:25:00 : Stopped scan and observation closed.