GTAC Observation Log 1. Date : 20/08/2021 2. Observation Sr. No. : 13417 3. Observer : Tanmoy Laskar, Kate D Alexander, Edo Berger, Yvette Cendes, Ryan Chornock, Deanne Coppejans, Hendrik vanEerten, Tarraneh Eftekhari, Aprajita Hajela, Assaf Horesh, Raffaella Margutti, Carole Mundell, Matt Nicholl, Saxton, Michael Stroh, Carolin Villforth, Patricia Schady 4. Observer\'s Email : tanmoylaskar@gmail.com, kate.alexander@northwestern.edu, eberger@cfa.harvard.edu, yvette.cendes@cfa.harvard.edu, chornock@northwestern.edu, deanne.coppejans@gmail.com, h.j.van.eerten@bath.ac.uk, teftekhari@cfa.harvard.edu, aprajitahajela2015@u.northwestern.edu, assafh@mail.huji.ac.il, rafmargutti@gmail.com, c.g.mundell@bath.ac.uk, matt.nicholl@cfa.harvard.edu, rsaxton@sciops.esa.int, michael.stroh@northwestern.edu, c.villforth@bath.ac.uk, ps2018@bath.ac.uk 5. Project Name : Exploring Mass Ejection in SMBHs via GMRT Observations of TDEs 6. Project Code : 40_085 7. Operator(s) : Sachin 8. Command File : /odisk/gtac/cmd/obs.py 9. LTA File : /gsbifrdata/20aug/40_085_20aug21_gsb.lta, /gwbifrdata2/20aug/40_085_20aug2021_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+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) : 1409 1409 1460 1460 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C05 : No fringe. C10 : No fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 20 Aug 2021 02:00:00 - 20 Aug 2021 06:00:00 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 : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF1 : 1460 1460 GPU_DDCLO1 : 540.000000 540.000000 GPU_SB1 : 1 1 GCODE1 : SUBA1 GPU_RF2 : 1200 1200 GPU_DDCLO2 : 0.000000 0.000000 GPU_SB2 : 1 1 GCODE2 : SUBA2 GPU_RF3 : 1460 1460 GPU_DDCLO3 : 0.000000 0.000000 GPU_SB3 : 1 1 GCODE3 : SUBA3 GPU_RF4 : 470 470 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : SUBA4 GPU_RF5 : 1060 1060 GPU_DDCLO5 : 0.000000 0.000000 GPU_SB5 : 1 1 GCODE5 : SUBA5 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 : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : ON GPU_ENV : RELEASED -------------------------------- ----------------------------------------------------------------------- 02:23:06 : Started scan on 3C48 for ~ 5.18975 min. 02:30:32 : Started scan on J0029+349 for ~ 5.18975 min. 02:37:43 : Started scan on iPTF16fnl for ~ 40.2653 min. 03:20:08 : Started scan on J0029+349 for ~ 5.18975 min. 03:27:07 : Started scan on iPTF16fnl for ~ 40.2653 min. 04:08:56 : Started scan on J0029+349 for ~ 5.18975 min. 04:21:00 : Started scan on J0059+001 for ~ 5.18975 min. 04:29:00 : Started scan on PS16dtm for ~ 40.0863 min. 05:12:31 : Started scan on J0059+001 for ~ 5.3687 min. 05:20:04 : Started scan on PS16dtm for ~ 27.0225 min. 05:51:57 : Started scan on J0059+001 for ~ 5.18975 min. 06:00:37 : Started scan on 3C48 for ~ 5.01079 min. 06:05 : Closed observation session. -----------------------------------------------------------------------