GTAC Observation Log 1. Date : 22/07/2019 2. Observation Sr. No. : 11270 3. Observer : Melissa Elizabeth Morris, Eric Wilcots 4. Observer's Email : mmorris@astro.wisc.edu, ewilcots@astro.wisc.edu 5. Project Name : Measuring the Density of the Intragroup Medium using Bent Double Lobed AGN 6. Project Code : 36_077 7. Operator(s) : Deepak, Pramod, Shilpa 8. Command File : /odisk/gtac/cmd/36_077/22jul19/obs_s11.cmd,, /odisk/gtac/cmd/36_077/22jul19/obs_s9.cmd 9. LTA File : /gsbifrdata1/22jul/36_077_22jul2019_gsb.lta, /gwbifrdata1/22jul/36_077_22jul2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_077.FLAGS.2 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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) : 1454 1454 1505 1505 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : S04 : 130 pol low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 22 Jul 2019 10:00:00 - 22 Jul 2019 14:02:00 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 : 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 : 1450 1450 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 36_077 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 : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 10:00 : C02 no fringe in GSB. 10:00 : Started set up. 10:17 : Started scan on 3C147. 10:27 : Stopped scan and stared command file. '/odisk/gtac/cmd/36_077/22jul19/obs_s11.cmd' 10:52 : S04 taken for painting. 11:04 : W03 taken for feed work. 11:20 : E05 taken for FE work. 12:00 : Stopped command file and started next command file. '/odisk/gtac/cmd/36_077/22jul19/obs_s9.cmd' 13:47 : Stopped command file. 13:52 : Started scan on 3C147. 14:02 : Stopped scan and observing session over.