GTAC Observation Log 1. Date : 04/05/2024 2. Observation Sr. No. : 16665 3. Observer : de Zhao, Jianping Yuan, Na Wang, Di Li, Pei Wang, Mengyao Xue, Wenming Yan, Vishal R Gajjar, Ziwei Wu 4. Observer\'s Email : zhaode@xao.ac.cn, yuanjp@xao.ac.cn, na.wang@xao.ac.cn, ithaca.li@gmail.com, wangpei@nao.cas.cn, mengyao.xue@postgrad.curtin.edu.au, yanwm@xao.ac.cn, vishalg@berkeley.edu, zwu@physik.uni-bielefeld.de 5. Project Name : Follow-up timing of pulsars discovered during the early commissioning phase of FAST 6. Project Code : 46_091 7. Operator(s) : Deepak, Rupsing, Shilpa 8. Command File : /data1/gtac/cmd/46_091/46_091_04May2024_0800_cmd.py 9. LTA File : /gwbifrdata/04may/46_091_04may2024_b5_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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) : 1409 1409 1460 1460 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : W04 : Very low self power. E06 : Fringe fluctuation. S02 : Reflector surface refurbishment work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 04 May 2024 08:00:00 - 04 May 2024 10:03:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : GWB Pulsar Data Files On :- GWBH7 : /data3/gpuuser/46_091_data3_04may2024/* ------------GWB Setting--------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : -1 -1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 46_091 GPU_CNTRL : TGC GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 32 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 4 Bits GPU_FILRFI : Voltage Detection GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------------------------------------------------- -------------------------------------------------------------------------- ------GWB RFI Filter Setting---------------------------------------------- FILTERED_SIGNALS : RFI_ALL # RFI_ALL=All signals filtered / RFI_CH1 =Channel 1 only / RFI_CH2=Channel 2 only EXTERNAL MEDIAN : 0 # integer value(-128 to 127) THRESHOLD VALUE : 3 # integer value(0 to 127) CONSTANT VALUE : 0 # integer value(-128 to 127) FILTERING OPTION : DIGITAL NOISE # BYPASS / CONSTANT=constant value is used / THRESHOLD / DIGITAL_NOISE DDC_STATUS : OFF #DDC_STATUS = ON/OFF -------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 Total=24 # BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 Total=24 -------------------------------------------------------------------------- 08:00 : Started settings. 08:16 : \'/data1/gtac/cmd/46_091/46_091_04May2024_0800_cmd.py\' command file started. 09:24 : S02 taken for reflector surface refurbishment work, so removed from GAC. 10:03 : Stopped command file and observing session over.