GTAC Observation Log 1. Date : 19/06/2017 2. Observation Sr. No. : 9504 3. Observer : Jayanta Roy, Paul Ray, Bhaswati Bhattacharyya, Ben Stappers, Jayaram Narayanan Chengalur, Sanjay S. Kudale, Tyrel J. Johnson 4. Observer's Email : jroy@ncra.tifr.res.in, paul.ray@nrl.navy.mil, bhaswati.bhattacharyya78@gmail.com, Ben.Stappers@manchester.ac.uk, chengalur@ncra.tifr.res.in, ksanjay@gmrt.ncra.tifr.res.in, tyrel.j.johnson@gmail.com 5. Project Name : Long-term timing follow-up and multi-frequency eclipse study for the third transitional redback millisecond pulsar J1227-4853 6. Project Code : 32_033 7. Operator(s) : Pramod, Sachin 8. Command File : /odisk/gtac/cmd/jroy/32_033_19jun.cmd, /odisk/gtac/cmd/jroy/32_033_19jun.1.cmd 9. LTA File : /gsbifrdata1/19jun/32_033_19jun2017_2s.lta, /gsbifrdata1/19jun/32_033_19jun2017.lta, /gwbifrdata2/19jun/32_033_19jun2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/32_103.FLAGS.1, /odisk/online1/logflags/32_033.FLAGS.9 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,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 : 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 :29 32. Name of Non-Working Antennas (with reason for each) : E03 : Applied Az brake 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Jun 2017 19:00:00 - 19 Jun 2017 21:10:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. 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 : 32_033 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : IA GPU_BEAM_2 : PA GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 4 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 64 inputs. GPU_FILRFI : RFI Filterring OFF -------------------------------- 19:00 : Started set up. 19:25 : Power equalized and phasing done on 1154-350. 19:30 : Started command file. '/odisk/gtac/cmd/jroy/32_033_19jun.cmd' 20:35 : restarted new command file. '/odisk/gtac/cmd/jroy/32_033_19jun.1.cmd' 21:00 : Stopped command file and observation session is over.