GTAC Observation Log 1. Date : 23/01/2023 2. Observation Sr. No. : 15049 3. Observer : Alastair Edge, Ruta Kale, Brian Robert McNamara, Tom Rose, Helen Russell, Raymond Oonk, Marcus Halson, Massimo Gaspari 4. Observer\'s Email : alastair.edge@durham.ac.uk, ruta@ncra.tifr.res.in, mcnamara@uwaterloo.ca, tom.rose06@gmail.com, helen.russell@nottingham.ac.uk, oonk@strw.leidenuniv.nl, mdhalson@gmail.com, massimo.gaspari@inaf.it 5. Project Name : Constraining the cold accretion onto the most massive Black Holes 6. Project Code : 43_050 7. Operator(s) : Navnath, Sachin, Surender 8. Command File : /data1/gtac/cmd/43_050/43_050_23Jan2023_1900_cmd.py 9. LTA File : /gsbifrdata1/23jan/43_050_23jan2023_gsb.lta.1, /gwbifrdata/23jan/43_050_23jan2023_gwb.lta.1 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1003.3333 MHz ,RF2 : 1003.3333 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 950 MHz, ILO2 : 950MHz , IVLO1 : 53.3333 MHz, IVLO2 : 53.3333 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 : 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 : 146.6667 28. LO5 -2 : 158.3333 29. Frequency Parameters (TPA) : 1003.3333 1003.3333 950 950 53.3333 53.3333 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Jan 2023 19:00:00 - 23 Jan 2023 23:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :30 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100 GPU_FINAL_BW : 25 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : -1 -1 GPU_RF4 : 1032.5 1032.5 GPU_DDCLO4 : 0.000000 0.000000 GPU_SB4 : -1 -1 GCODE4 : 43_050 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 ------------------------------------------------- TPA : \'GWB\' : 1032.5,1032.5,-1100.0,-1100.0,67.5,67.5 TPA : \'GSB\' : 1003.3333,1003.3333,950,950,53.3333,53.3333 ------------------------------------------------- 18:55:19 : Started set-up. 19:01:03 : Started scan on 3C48 for ~ 4.5634 min. 19:07:57 : Started cmd file. 22:51:01 : Started scan on 3C147 for ~ 4.69762 min. 23:00:00 : Observation session over. --------------------------------------------------