GTAC Observation Log 1. Date : 14/07/2017 2. Observation Sr. No. : 9569 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, Navnath, Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/13jul/32_092_13jul2017.lta 10. LogFlag File : /odisk/online1/logflags/32_092.FLAGS.6 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 : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : W01 : MCM-5 timeout. W03 : Servo problem. S04 : ABC timeout. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 13 Jul 2017 20:30:00 - 14 Jul 2017 07:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :25 37. Comments (During Observations) : # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W02 Total=19 # BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W02 Total=19 # BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W02 Total=19 # BEAM-2:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W02 Total=19 --------------------------------------------------------------------------- 20:30 : Started settings. 21:15 : Power equalized on 1822-096 @ 200 counts. 21:24 : Phasing done on 1822-096. 21:26:12 : Started scan on J1600-3053 for ~ 61.6059 min. 22:29:59 : Started scan on 1822-096 for ~ 1.61061 min. 22:31:47 : Started scan on 1822-096 for ~ 1.00663 min. 22:35:21 : Started scan on J1643-1224 for ~ 60.16075 min. ---------------------------------------------------------------------- 23:26:00 : E04 servo proble. ---------------------------------------------------------------------- 23:38:26 : Started scan on 1822-096 for ~ 1.27507 min. 23:40:03 : Started scan on 1822-096 for ~ 0.671088 min. 23:43:43 : Started scan on J1713+0747 for ~ 61.1361 min. ----------------------------------------------------------------------- 00:03:00 : S03 servo problem. ----------------------------------------------------------------------- 00:46:46 : Started scan on 1822-096 for ~ 1.20796 min. 00:48:16 : Started scan on 1822-096 for ~ 0.872414 min. 00:50:46 : Started scan on B1855+09 for ~ 60.8677 min. 01:52:58 : Started scan on 1822-096 for ~ 1.00663 min. 01:54:11 : Started scan on 1822-096 for ~ 0.872414 min. 01:56:40 : Started scan on J1909-3744 for ~ 60.7335 min. 02:59:04 : Started scan on 1822-096 for ~ 0.872414 min. 03:00:41 : Started scan on 1822-096 for ~ 0.872414 min. 03:03:46 : Started scan on B1937+21 for ~ 20.8708 min. 03:26:36 : Started scan on 1822-096 for ~ 1.00663 min. 03:27:47 : Started scan on 1822-096 for ~ 1.00663 min. 03:31:39 : Started scan on J2124-3358 for ~ 61.2032 min. 04:35:13 : Started scan on 2130+050 for ~ 1.07374 min. 04:36:30 : Started scan on 2130+050 for ~ 0.603979 min. 04:38:23 : Started scan on J2145-0750 for ~ 60.8006 min. 05:40:24 : Started scan on 2130+050 for ~ 1.14085 min. 05:41:42 : Started scan on 2130+050 for ~ 0.805306 min. 05:44:28 : Started scan on J2317+1439 for ~ 61.0019 min. 06:49:18 : Started scan on 3C48 for ~ 1.87905 min. 06:52:49 : Started scan on 3C48 for ~ 1.81194 min. 07:55:00 : Stopped scan and observation closed.