GTAC Observation Log 1. Date : 22/08/2017 2. Observation Sr. No. : 9692 3. Observer : ARUN KUMAR NAIDU, Periasamy K. Manoharan, BHAL CHANDRA JOSHI, Manjari Bagchi, Gopakumar Achamveedu, Dhruv Pathak, Krishnakumar MA, Mayuresh Surnis, Yogesh Maan, Prakash Arumugasamy 4. Observer's Email : arun@ncra.tifr.res.in, mano@ncra.tifr.res.in, bcj@ncra.tifr.res.in, manjari.bagchi@gmail.com, gopu.tifr@gmail.com, pathakdhruv9786@gmail.com, kkma@ncra.tifr.res.in, mpsurnis@ncra.tifr.res.in, ymaan@ncra.tifr.res.in, prakash@ncra.tifr.res.in 5. Project Name : Extending timing baseline for the ORT-GMRT Indian Pulsar Timing Array (InPTA) experiment 6. Project Code : 32_092 7. Operator(s) : Deepak, Nilesh, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/ 9. LTA File : /gsbifrdata1/21aug/32_092_21aug2017.lta.1, /gsbifrdata1/21aug/32_092_21aug2017.lta 10. LogFlag File : /odisk/online1/logflags/32_092.FLAGS.8, /odisk/online1/logflags/32_062.FLAGS.2 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 :27 32. Name of Non-Working Antennas (with reason for each) : C05 : Servo brakes. C03 : MCM 5 problem. C14 : Maintenance. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 Aug 2017 18:00:00 - 22 Aug 2017 02:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : Antennas in GAC # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 S02 W01 W02 Total=17 # BEAM-1:175 :: C00 C01 C02 C04 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 S02 W01 W02 Total=17 # BEAM-2:130 :: C00 C01 C02 C04 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 S02 W01 W02 Total=17 # BEAM-2:175 :: C00 C01 C02 C04 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 S02 W01 W02 Total=17 18:45:18 : Started scan on 1822-096 for ~ 1.87905 min. 18:48:06 : Started scan on 1822-096 for ~ 1.87905 min. 18:52:18 : Started scan on J1600-3053 for ~ 45.3655 min. 19:40:15 : Started scan on 1822-096 for ~ 1.07374 min. 19:41:45 : Started scan on 1822-096 for ~ 1.61061 min. 19:45:45 : Started scan on J1643-1224 for ~ 50.1974 min. 20:38:18 : Started scan on 1822-096 for ~ 1.07374 min. 20:39:48 : Started scan on 1822-096 for ~ 1.87905 min. 20:44:09 : Started scan on J1713+0747 for ~ 35.165 min. 21:21:43 : Started scan on 1822-096 for ~ 1.07374 min. 21:23:13 : Started scan on 1822-096 for ~ 1.61061 min. 21:26:39 : Started scan on B1855+09 for ~ 34.8966 min. 22:03:28 : Started scan on 1822-096 for ~ 1.07374 min. 22:05:00 : Started scan on 1822-096 for ~ 1.61061 min. 22:08:35 : Started scan on J1909-3744 for ~ 39.9968 min. 22:50:22 : Started scan on 1822-096 for ~ 1.07374 min. 22:51:53 : Started scan on 1822-096 for ~ 1.87905 min. 22:56:10 : Started scan on B1937+21 for ~ 15.0324 min. 23:13:35 : Started scan on 1822-096 for ~ 1.07374 min. 23:15:05 : Started scan on 1822-096 for ~ 1.61061 min. 23:19:36 : Started scan on J2124-3358 for ~ 40.2653 min. 00:02:31 : Started scan on 1822-096 for ~ 1.07374 min. 00:04:00 : Started scan on 1822-096 for ~ 1.61061 min. 00:08:46 : Started scan on J2145-0750 for ~ 49.9289 min. 01:01:31 : Started scan on 1822-096 for ~ 1.07374 min. 01:02:59 : Started scan on 1822-096 for ~ 1.61061 min. 01:10:03 : Started scan on J2317+1439 for ~ 45.0971 min. 02:00:38 : Started scan on 3C48 for ~ 1.07374 min. 02:03:38 : Started scan on 3C48 for ~ 0.805306 min. 02:05 : Observation stopped.