GTAC Observation Log 1. Date : 07/09/2020 2. Observation Sr. No. : 12389 3. Observer : Surajit Mondal, Apurba Bera, Barnali Das, Poonam Chandra, Jayanta Roy 4. Observer\'s Email : surajit@ncra.tifr.res.in, apurba@ncra.tifr.res.in, barnali@ncra.tifr.res.in, poonam@ncra.tifr.res.in, jroy@ncra.tifr.res.in 5. Project Name : Search for radio emission from Type I superluminous supernovae 6. Project Code : 38_100 7. Operator(s) : Deepak, Manisha, Rupsing, Sachin, Shilpa, Shriram 8. Command File : /odisk/gtac/cmd/38_100/sep_7/7sep.cmd 9. LTA File : /gsbifrdata/07sep/38_100_07sep2020_gsb.lta, /gwbifrdata1/07sep/38_100_07sep2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_100.FLAGS 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 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 :25 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E06 : ABC time out. E05 : Electrical problem. S03 : Maintenance. S04 : Feed problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 07 Sep 2020 14:00:00 - 07 Sep 2020 19:00:00 35. ONLINE Machine : Shivneri 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 : 400.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1000 1000 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 38_100 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : IA GPU_BEAM_3 : PA GPU_BEAM_4 : OFF GPU_BM_INT : 16 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF ------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: Total=0 # BEAM-1:175 :: Total=0 # BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S06 W01 W02 W03 W04 W05 W06 Total=25 # BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S06 W01 W02 W03 W04 W05 W06 Total=25 # BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 W01 W02 W03 W04 W05 Total=23 # BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 W01 W02 W03 W04 W05 Total=23 14:18 : Started scan on 3C286 for ~ 1.96852 min. 14:26 : Started scan on 3C286 for ~ 10.0216 min. 14:45 : Started command file. 14:50 : Electrical power failure. ------------------------------------------------------------------------ 15:14 : Electrical power restored. 15:14 : Started command file., \'/odisk/gtac/cmd/38_100/sep_7/7sep.cmd\' 15:14 : C01 Strong RFI lines. Removed from GAC. 16:17 : S04 released for observation. Taken in GAC. 17:10 : S03 released for observation. 17:11 : C01,S03 added to GAC. ------------------------------------------------------------------------- 18:55 : electrical power failure. 18:55 : Stopped scan of phase cal. 19:00 : observing session over.