GTAC Observation Log 1. Date : 04/10/2021 2. Observation Sr. No. : 13570 3. Observer : Renzhi Su, James Richard Allison, Elaine Sadler, Elizabeth Kate Mahony, Vanessa Moss, Hyein Yoon, Minfeng Gu, Matthew Whiting, YOGESH CHANDOLA, Stephen John Curran, Marcin Glowacki, Zhongzu Wu, Liu, Simon Weng 4. Observer\'s Email : surz@shao.ac.cn, jallison.astro@gmail.com, ems@physics.usyd.edu.au, elizabeth.mahony@sydney.edu.au, vmoss.astro@gmail.com, hyein.yoon@sydney.edu.au, gumf@shao.ac.cn, Matthew.Whiting@csiro.au, yogesh.chandola@gmail.com, scurran.astro@gmail.com, marcin@aapt.net.au, zzwu08@gmail.com, liux@xao.ac.cn, swen2649@uni.sydney.edu.au 5. Project Name : %latex%Searching for \\\\\\\\mbox{H\\\\\\\\,{\\\\\\\\sc i}} absorption lines in Luminous Infrared Galaxies 6. Project Code : 40_096 7. Operator(s) : Nilesh, Rupsing, Shilpa, Shriram 8. Command File : /data1/gtac/cmd/40_096/08aug2021/obs.py 9. LTA File : /gsbifrdata/04oct/40_096_04oct2021_gsb.lta, /gwbifrdata/04oct/40_096_04oct2021_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1396 MHz ,RF2 : 1396 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1345 MHz, ILO2 : 1345MHz , 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 : TGC 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) : 1396 1396 1345 1345 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E04 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 04 Oct 2021 10:00:00 - 04 Oct 2021 16:20:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100 GPU_FINAL_BW : 50 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 20.000000 20.000000 GPU_SB4 : -1 -1 GCODE4 : 40_096 GPU_CNTRL : TGC 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 : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : ON GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------------------------------------------------- RF Band = 1390 MHz [From 1330 to 1460 (Band5 Sub Band )]. GABLO(MHz) = 1460 DDCLO(MHz) = 20.0000 SIDEBAND_FLAG = LSB (+1) ACQ_BW(MHz) = 100 FINAL_BW(MHz) = 50 DDC = ON (1) DECIMATE = 2 TOTAL CHAN = 4096 CHAN WIDTH(KHz) = 12.20703125 START_FREQ(MHz) = 1440.0000 (at Channel 1) LINE_FREQ(MHz) = 1415 (at Channel = 2048) STOP_FREQ(MHz) = 1390.0000 (at Channel 4096) GWB TPA (ONLINE) = 1440.0000 1440.0000 -1460 -1460 20.0000 20.0000 GWB TPA (TGC) = 1440.0000 1440.0000 -1460 -1460 20.0000 20.0000 12 -------------------------------------------------------------------------- 10:00 : Started settings. 10:20 : Correlator was not taken command , so halted GSB and GWB. 10:35 : Restarted GSB and GWB. 10:40 : Power equalized on 3C286 @ 120 counts for GWB. 10:42 : \'/data1/gtac/cmd/40_096/08aug2021/obs.py\' command file started. 11:04 : S03 taken for structural repairing. 16:20 : Command file stopped and observing session over.