GTAC Observation Log 1. Date : 19/05/2020 2. Observation Sr. No. : 12015 3. Observer : Xinwen Shu, YOGESH CHANDOLA, Tinggui Wang, Ning Jiang, Liming Dou 4. Observer\'s Email : xwshu@mail.ahnu.edu.cn, yogesh.chandola@gmail.com, twang@ustc.edu.cn, jnac@mail.ustc.edu.cn, doulm@gzhu.edu.cn 5. Project Name : Radio flux and spectral evolution from two likely TDEs revealed with mid-infrared echoes 6. Project Code : 38_092 7. Operator(s) : Sachin, Shilpa, Shriram 8. Command File : /odisk/gtac/cmd/38_092/j1133.cmd,, /odisk/gtac/cmd/38_092/j1550.cmd 9. LTA File : /gsbifrdata1/18may/38_092_band5_18may2020_gsb.lta, /gwbifrdata1/18may/38_092_band5_18may2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_092.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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 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) : 1454 1454 1505 1505 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : Maintenance. S06 : MCM 5 timeout. W02 : No fringe. W04 : No fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 18 May 2020 22:00:00 - 19 May 2020 01:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 8 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1050 1050 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 38_092 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 4 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 22:00:00 : Started setup. 22:17:00 : Started scan on 3C286 for ~ 19.3273 min. ------------------------------------------------------------------------ 22:41 to 22:58 : Command file not started properly due to error in the command file. (# in the command file). ------------------------------------------------------------------------- 22:58:00 : Command file started. \'/odisk/gtac/cmd/38_092/j1133.cmd\' 22:59:34 : Started scan on 1313+675 for ~ 4.96605 min. 23:05:15 : Started scan on J1133 for ~ 19.9984 min. 23:26:18 : Started scan on 1313+675 for ~ 4.96605 min. 23:32:07 : Started scan on J1133 for ~ 19.9984 min. 23:53:45 : Started scan on 1313+675 for ~ 6.03979 min. 23:59:00 : Stopped command file. 00:00:00 : Command file started \'/odisk/gtac/cmd/38_092/j1550.cmd\' 00:02:02 : Started scan on 1438+621 for ~ 4.83183 min. 00:14:25 : Started scan on J1550 for ~ 19.8642 min. 00:35:24 : Started scan on 1438+621 for ~ 4.96605 min. 00:44:27 : Started scan on 3C286 for ~ 15.55013 min. 01:00:00 : Stopped scan and observation session over. -------------------------------------------------------------------------