GTAC Observation Log 1. Date : 29/05/2021 2. Observation Sr. No. : 13135 3. Observer : Shi Dai, Bhaswati Bhattacharyya, Simon Johnston 4. Observer\'s Email : shi.dai@csiro.au, bhaswati@ncra.tifr.res.in, Simon.Johnston@atnf.csiro.au 5. Project Name : Deep Searches of Pulsars in Globular Cluster Omega Centauri 6. Project Code : 40_065 7. Operator(s) : Navnath, Sachin, Shilpa, Shriram 8. Command File : /data1/gtac/cmd/bhaswati/40_065_29may21.py 9. LTA File : /gsbifrdata/29may/40_065_29may2021_gsb.lta, /gwbifrdata1/29may/40_065_29may2021_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,OFF, IF-CH2 : 4+14 dB, 32 MHz,OFF 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 : Full_Stokes 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) : 306 306 255 255 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C00 : Not tracking properly. E06 : GAB disconnected. S04 : GAB disconnected. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 May 2021 19:00:00 - 30 May 2021 23:45:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :26 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 40_065 GPU_CNTRL : TGC GPU_FSTOP : ON GPU_BEAM_1 : IA GPU_BEAM_2 : PA GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 4 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED -------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=26 # BEAM-1:175 :: C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=26 # BEAM-2:130 :: C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=20 # BEAM-2:175 :: C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=20 -------------------------------------------------------------------------- 19:00 : Started settings. 19:35 : Power equalized on 1311-222 @ 150 counts. 19:46 : Phasing done on 1311-222. 19:50 : \'/data1/gtac/cmd/bhaswati/40_065_29may21.py\' command file started. 22:15 : Broadband RFI detected. 23:45 : observation session over ---------------------------------------------------------------------