GTAC Observation Log 1. Date : 15/01/2021 2. Observation Sr. No. : 12805 3. Observer : Ayan Biswas, Poonam Chandra 4. Observer\'s Email : ayan.scc2@gmail.com, poonam@ncra.tifr.res.in 5. Project Name : Epsilon Lupi- Looking Into the Unique Doubly-magnetic Massive Binary System 6. Project Code : 39_086 7. Operator(s) : Nilesh, Rupsing 8. Command File : /data1/gtac/cmd/39_086/obs.py 9. LTA File : /gsbifrdata/15jan/39_086b_15jan2021_band4_gsb.lta.1, /gsbifrdata/15jan/39_086b_15jan2021_band4_gsb.lta, /gsbifrdata/15jan/39_086a_15jan2021_band5_gsb.lta.1, /gsbifrdata/15jan/39_086a_15jan2021_band5_gsb.lta, /gwbifrdata/15jan/39_086b_15jan2021_band4_gwb.lta.1, /gwbifrdata/15jan/39_086b_15jan2021_band4_gwb.lta, /gwbifrdata/15jan/39_086a_15jan2021_band5_gwb.lta.1, /gwbifrdata/15jan/39_086a_15jan2021_band5_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+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 1409 1409 1460 1460 51 51 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E06 : FPS problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Jan 2021 07:00:00 - 15 Jan 2021 11:00:00 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 : 1460 1460 GPU_DDCLO3 : 0.000000 0.000000 GPU_SB3 : 1 1 GCODE3 : SUBA3 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : SUBA4 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 : TGC tpa GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 16 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED ------------------------------------------------------------------------- #Suba 3 # Band4 # C00 C02 C05 C08 C10 C12 C14 W02 W04 W06 E03 E05 S01 S03 S06 ------------------------------------------------------------------------- #Suba 4 # Band5 # C01 C03 C04 C06 C09 C11 C13 W01 W03 W05 E02 E04 E06 S02 S04 -------------------------------------------------------------------------- 07:45 : Setup done. -------------------------------------------------------------------------- 07:47 : Started scan on 3C286. 07:57 : Stopped scan and started command file. ------------------------------------------------------------------------- 08:10 : By mistake instead of full stokes correlator was started with total intensity halted and restarted with Full stokes ------------------------------------------------------------------------- 09:50 : C06 taken for painting ------------------------------------------------------------------------- 08:20 : Restarted observation 11:05 : Stopped command file and observation closed.