GTAC Observation Log 1. Date : 09/02/2018 2. Observation Sr. No. : 10080 3. Observer : Prakash Arumugasamy, BHAL CHANDRA JOSHI, Manjari Bagchi, Gopakumar Achamveedu, Dhruv Pathak, Krishnakumar MA, Mayuresh Surnis, Yogesh Maan, ARUN KUMAR NAIDU, Periasamy K. Manoharan, Shantanu Desai, Suryarao Bethapudi, Abhimanyu Susobhanan 4. Observer's Email : prakash@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, arun@ncra.tifr.res.in, mano@ncra.tifr.res.in, shntn05@gmail.com, ep14btech11008@iith.ac.in, s.abhimanyu@tifr.res.in 5. Project Name : Extending timing baseline for the ORT-GMRT Indian Pulsar Timing Array (InPTA) experiment 6. Project Code : 33_062 7. Operator(s) : Rupsing, Sachin 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata/09feb/33_062_09feb2018_gsb.lta, /gsbifrdata1/09feb/33_062_09feb2018_gsb.lta, /gwbifrdata2/09feb/33_062_09feb2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/33_062.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 : 20+10 dB, 32 MHz,OFF, IF-CH2 : 20+10 dB, 32 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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C01 : No fringe. S03 : Mechanical work. C13 : Strong RFI line. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 09 Feb 2018 04:00:00 - 09 Feb 2018 13:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C02 C03 C04 C05 C06 C08 C09 C11 C12 C14 E02 E03 S01 S02 W01 W02 Total=17 # BEAM-1:175 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 W01 W02 Total=18 # BEAM-2:130 :: C00 C02 C03 C04 C05 C06 C08 C09 C11 C12 C14 E02 E03 S01 S02 W01 W02 Total=17 # BEAM-2:175 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 W01 W02 Total=18 # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 W01 W02 Total=18 # BEAM-1:175 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 W01 W02 Total=18 ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1340 1340 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 33_062 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 16 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 64 inputs. GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF ------------------------------------------------------------------------- 04:10 : Setup done. 04:20 : Power eq on 3C286. 04:30 : Power eq on 1626-298 ------------------------------------------------------------------------ 04:40 : GWB Setup done 04:50 : Power eq done. 05:10 : Phasing on 1822-096(GSB+GWB). ------------------------------------------------------------------------ 05:14:32 : Started scan on 1822-096 for ~ 12.4822 min. 05:28:13 : Started scan on 1822-096 for ~ 5.90557 min. 05:43:44 : Started scan on J1600-3053 for ~ 46.0366 min. 06:32:23 : Started scan on 1822-096 for ~ 2.55013 min. 06:35:10 : Started scan on 1822-096 for ~ 0.805306 min. 06:37:37 : Started scan on J1643-1224 for ~ 45.26101 min. 07:26:02 : Started scan on 1822-096 for ~ 2.01326 min. 07:28:10 : Started scan on 1822-096 for ~ 0.402653 min. 07:31:19 : Started scan on J1713+0747 for ~ 41.2048 min. 08:14:00 : Started scan on 1822-096 for ~ 1.07374 min. 08:15:15 : Started scan on 1822-096 for ~ 0.53687 min. 08:18:16 : Started scan on B1855+09 for ~ 35.5677 min. 08:56:21 : Started scan on 1822-096 for ~ 1.34218 min. 08:57:49 : Started scan on 1822-096 for ~ 0.402653 min. 09:00:15 : Started scan on J1909-3744 for ~ 45.4998 min. 09:48:16 : Started scan on 1822-096 for ~ 1.47639 min. 09:50:02 : Started scan on 1822-096 for ~ 0.671088 min. 09:55:42 : Started scan on B1937+21 for ~ 16.1061 min. 10:16:49 : Started scan on 1822-096 for ~ 1.34218 min. 10:18:22 : Started scan on 1822-096 for ~ 0.402653 min. 10:20:51 : Started scan on J2124-3358 for ~ 46.1709 min. 11:09:52 : Started scan on 1822-096 for ~ 0.939523 min. 11:10:57 : Started scan on 1822-096 for ~ 0.671088 min. 11:15:29 : Started scan on J2145-0750 for ~ 40.2653 min. 12:00:18 : Started scan on 1822-096 for ~ 1.34218 min. 12:01:55 : Started scan on 1822-096 for ~ 0.268435 min. 12:07:31 : Started scan on J2317+1439 for ~ 40.3995 min. 12:50:26 : Started scan on 3C48 for ~ 3.22122 min. 12:54:38 : Started scan on 3C48 for ~ 1.47639 min. 13:00 : Stopped observation session.