GTAC Observation Log 1. Date : 26/07/2019 2. Observation Sr. No. : 11279 3. Observer : Rajeshwari Dutta, Raghunathan Srianand, Neeraj Gupta 4. Observer's Email : rdutta@eso.org, anand@iucaa.in, ngupta@iucaa.in 5. Project Name : Prevalence of neutral gas in double-peaked emission line AGNs 6. Project Code : 36_016 7. Operator(s) : Rupsing 8. Command File : /odisk/gtac/cmd/36_016/26jul19/obs_s1.cmd 9. LTA File : /gsbifrdata1/26jul/36_016_26jul2019_gsb.lta.1, /gsbifrdata1/26jul/36_016_26jul2019_gsb.lta, /gwbifrdata1/26jul/36_016_26jul2019_gwb.lta.1, /gwbifrdata1/26jul/36_016_26jul2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_016.FLAGS.5 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1311 MHz ,RF2 : 1311 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1260 MHz, ILO2 : 1260MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 1311 1311 1260 1260 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C13 : ABC time out. C14 : 130 pol no fringe in GWB. E06 : 130 pol no fringe in GSB. W04 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 26 Jul 2019 01:00:00 - 26 Jul 2019 10:30:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 12.5000 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 : 10.7500 10.7500 GPU_SB4 : 1 1 GCODE4 : 36_016 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 -------------------------------- 01:21 : Started scan on 3C48. 01:31 : Stopped scan and started command file. 04:33 : Stopped command file ----------------------------------------------------------------------- 04:37 : Started scan on 3C48. 04:47 : Stopped scan and restarted command file 08:00 : Stopped command file. --------------------------------------------------------------------- ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 12.5000 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 : 44.7500 44.7500 GPU_SB4 : 1 1 GCODE4 : 36_016 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 -------------------------------- ------------GSB Setting--------- GSB_MODE : Realtime GSB_LTA : 8 GSB_ACQ_BW : 33.333333 GSB_FINAL_BW : 0 GSB_EDGE_FRQ : 0 GSB_CHAN_MAX : 256 GSB_CHAN_NUM : 0:255:1 GSB_STOKES : Total_Intensity GSB_CNTRL : ONLINE GSB_FSTOP : ON GSB_BEAM_1 : OFF GSB_BEAM_2 : OFF GSB_GAINEQ : ON GSB_BB_LO : 149:156 GSB_HOSTS : gsbm1_shivneri undefined : OFF undefined : 306 -------------------------------- 08:00 : Started setup for S4. 08:19:48 : Started scan on 3C147 for ~ 9.84263 min. 08:31:32 : Started command file. 10:00:00 : Stopped command file and observing session over. ------------------------------------