GTAC Observation Log 1. Date : 15/07/2019 2. Observation Sr. No. : 11249 3. Observer : Tariq Blecher, Roger Paul Deane, Ian Heywood, Danail Obreschkow 4. Observer's Email : tariq.blecher@gmail.com, roger.deane@up.ac.za, ian.heywood@physics.ox.ac.uk, danail.obreschkow@gmail.com 5. Project Name : Follow up observations of a marginal lensed HI detection at z ~0.4 6. Project Code : 36_078 7. Operator(s) : Deepak, Nilesh, Shilpa 8. Command File : /odisk/gtac/cmd/36_078/15jul19/obs.cmd 9. LTA File : /gsbifrdata1/15jul/36_078_15jul2019_gsb.lta, /gwbifrdata2/15jul/36_078_15jul2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_078.FLAGS.8 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1021 MHz ,RF2 : 1021 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 970 MHz, ILO2 : 970MHz , 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) : 1021 1021 970 970 51 51 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) : C01 : Maintenance. C14 : Structural repairing. S04 : Painting. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Jul 2019 10:00:00 - 15 Jul 2019 15:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : ------------GWB Setting--------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 2 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 100.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 970 970 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 36_078 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 128 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------------------------------------------------- 10:00 : Started settings. 10:32 : Started scan on 3C147 for ~ 11.073 min. 10:48 : '/odisk/gtac/cmd/36_078/15jul19/obs.cmd' command file started. 14:50 : Stopped command file. 14:52 : Started scan on 3C286 for ~ 8 min. 15:00 : Stopped scan and observations closed.