GTAC Observation Log 1. Date : 03/11/2021 2. Observation Sr. No. : 13621 3. Observer : Ayan Biswas, Poonam Chandra, Coralie Neiner 4. Observer\'s Email : ayan.scc2@gmail.com, poonam@ncra.tifr.res.in, coralie.neiner@obspm.fr 5. Project Name : Survey of Close Magnetic Massive Binaries with the uGMRT 6. Project Code : 41_010 7. Operator(s) : Sachin 8. Command File : /odisk/gtac/cmd/obs.py 9. LTA File : /gwbifrdata/03nov/41_010A_03nov21_band5.lta, /gwbifrdata1/03nov/41_010B_03nov21_band4.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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) : 591 591 540 540 51 51 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C12 : Feed problem. W05 : Servo porblem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 Nov 2021 02:00:00 - 03 Nov 2021 05:00:00 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 : 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_RF3 : 550 550 GPU_DDCLO3 : 0.000000 0.000000 GPU_SB3 : 1 1 GCODE3 : 41_010B GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 41_010A 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 : 4 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 -------------------------------- ----------------------------------------------------------------------- 02:24:11 : Started scan on 3C147 for ~ 10.2005 min. 02:39:53 : Started scan on 0735-175 for ~ 5.10027 min. 02:47:15 : Started scan on HD62658 for ~ 30.4227 min. 03:19:22 : Started scan on 0735-175 for ~ 5.18975 min. 03:26:17 : Started scan on HD62658 for ~ 30.3332 min. 03:58:36 : Started scan on 0735-175 for ~ 5.18975 min. 04:05:33 : Started scan on HD62658 for ~ 30.4227 min. 04:38:35 : Started scan on 0735-175 for ~ 5.18975 min. 04:45:39 : Started scan on HD62658 for ~ 10.7374 min. 05:05:02 : Started scan on 3C147 for ~ 10 min. 05:15: Closed observation session. -----------------------------------------------------------------------