GTAC Observation Log 1. Date : 09/08/2021 2. Observation Sr. No. : 13384 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) : Shilpa, Shriram, Surender 8. Command File : /data1/gtac/cmd/40_096/09aug2021/13hrs_obs.py,, /data1/gtac/cmd/40_096/09aug2021/16hrs_obs.py 9. LTA File : /gsbifrdata1/09aug/40_096_09aug2021_gsb.lta.1, /gsbifrdata1/09aug/40_096_09aug2021_gsb.lta, /gwbifrdata1/09aug/40_096_09aug2021_gwb.lta.1, /gwbifrdata1/09aug/40_096_09aug2021_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1386 MHz ,RF2 : 1386 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1335 MHz, ILO2 : 1335MHz , 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/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) : 1386 1386 1335 1335 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :25 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C04 : SMTS work. W06 : SMTS work. E06 : Low power @ GAB o/p C00 : 175 pol low power @ GAB o/p 33. Note for Backup : 34. Start and End Time of Obs.(IST): 09 Aug 2021 13:00:00 - 09 Aug 2021 19:15:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 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 : 30.000000 30.000000 GPU_SB4 : 1 1 GCODE4 : SUBA4 GPU_CNTRL : ONLINE/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 -------------------------------------------------------------------------- 13:00 : Started set-up. 13:10 : Started command file. 15:00 : W05 servo problem 15:17 : W05 started working. 16:10 : Stopped command file. 16:14 : Started scan on 3C286 for ~ 10.0663 min. 16:15 : W06 released for observation. 16:25 : Stopped command file. -------------------------------------------------------------------------- -------------------------------------------------------------------------- Started next setup. GSB line observation setup :- RF band= 1280 (1220 - 1340) LO1= 1160 (lower) IFBW= 34 GSB [ACQ] BW= 33.3333 Total Channel= 512 Line/Center Frequency= 1230 CH#[0]= 1211 CH#[512]= 1244.3333 BW= +33.3333 (decimation: 0) CW= 65.10 (KHz.) Digital SubBand/step#= 0 GSB_CONFIG LO5= 149 156 LTA_FILE L05= 149 156 BASE_BAND LO4= 51 51 tpa 1211 1211 1160 1160 51 51 -------------------------------------------------------------------------- GWB line observation setup :- RF Band = 1280 MHz [From 1220 to 1330 (Band5 Sub Band )]. GABLO(MHz) = 1330 DDCLO(MHz) = 75.0000 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) = 1255.0000 (at Channel 1) LINE_FREQ(MHz) = 1230 (at Channel = 2048) STOP_FREQ(MHz) = 1205.0000 (at Channel 4096) GWB TPA (ONLINE) = 1255.0000 1255.0000 -1330 -1330 75.0000 75.0000 GWB TPA (TGC) = 1255.0000 1255.0000 -1330 -1330 75.0000 75.0000 12 -------------------------------------------------------------------------- ------------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 : 1330 1330 GPU_DDCLO4 : 0.000000 0.000000 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 -------------------------------------------------------------------------- 16:45 : C00, C04, E06 started working. 16:50 : S06 no fringe in GWB. 16:52 : \'/data1/gtac/cmd/40_096/09aug2021/16hrs_obs.py\' command file started. 17:05 to 17:16 : Track changed and slewing time to source. 19:15 : Command file stopped and observing session over.