GTAC Observation Log 1. Date : 04/07/2020 2. Observation Sr. No. : 12182 3. Observer : Jayanta Roy, Paul Ray, Bhaswati Bhattacharyya, Ben Stappers, Jayaram Narayanan Chengalur, Sanjay S. Kudale, Tyrel J. Johnson, Matthew Kerr, Patrick Weltevrede, Paulo Cesar Freire 4. Observer\'s Email : jroy@ncra.tifr.res.in, paul.ray@nrl.navy.mil, bhaswati@ncra.tifr.res.in, Ben.Stappers@manchester.ac.uk, chengalur@ncra.tifr.res.in, ksanjay@gmrt.ncra.tifr.res.in, tyrel.j.johnson@gmail.com, matthew.kerr@gmail.com, Patrick.Weltevrede@manchester.ac.uk, pfreire@mpifr-bonn.mpg.de 5. Project Name : Long-term timing follow-up for the third transitional redback millisecond pulsar J1227-4853 6. Project Code : 38_037 7. Operator(s) : Navnath 8. Command File : /odisk//gtac/cmd/jroy/38_037_4jul.cmd 9. LTA File : /gsbifrdata/04jul/38_037_04jul2020_610.lta, /gwbifrdata1/04jul/38_037_04jul2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_037.FLAGS.15 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,OFF, IF-CH2 : 4+14 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 : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :24 32. Name of Non-Working Antennas (with reason for each) : C03 : : Taken for Mechanical work C06 : Taken for Mechanical Work C12 : : MCM 14 Time out S06 : : No fringe in GWB. C14 : : Applied EL brake 33. Note for Backup : 34. Start and End Time of Obs.(IST): 04 Jul 2020 16:00:00 - 04 Jul 2020 17:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :24 37. RFI Status : 38. Comments (During Observations) : ------------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 : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 38_037 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : PA GPU_BM_INT : 4 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C13 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=23 # BEAM-1:175 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C13 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=23 # BEAM-2:130 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C13 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=23 # BEAM-2:175 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C13 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=23 # BEAM-3:130 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C13 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=23 # BEAM-3:175 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C13 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=23 # BEAM-4:130 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C13 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=23 # BEAM-4:175 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C13 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=23 15:45 : Started setup. 15:43:52 : Started scan on 3C147 for ~ 0.436207 min. 15:55 : power eq and phasing done on 1154-360 at 150 counts. 16:05 : Started cmd file. /odisk//gtac/cmd/jroy/38_037_4jul.cmd 16:08:32 : Started scan on J1045-4509 for ~ 5.5924 min. 16:15:09 : Started scan on J1227-4853 for ~ 51.6738 min. 17:00:00 : Observation session over.