GTAC Observation Log 1. Date : 19/11/2019 2. Observation Sr. No. : 11603 3. Observer : Farrah Dilla Zainol, Ian Robert Stevens, Tomer Shenar, Gerd Paul Weigelt, Noel Richardson, Andrew Michael Pollock, Pittard, Anthony FJ Moffat, Michael Corcoran, Anand Sivaramakrishnan, Theodore Raymond Gull 4. Observer's Email : farrah@star.sr.bham.ac.uk, irs@star.sr.bham.ac.uk, tomer.shenar@kuleuven.be, weigelt@mpifr.de, noel.d.richardson@gmail.com, A.M.Pollock@sheffield.ac.uk, j.m.pittard@leeds.ac.uk, moffat@astro.umontreal.ca, corcoranm@cua.edu, anand@stsci.edu, tedgull@gmail.com 5. Project Name : Unravelling the thermal radio emission of the archetypical Wolf-Rayet Colliding Wind Binary WR140 6. Project Code : 37_005 7. Operator(s) : Deepak, Rupsing, Shilpa 8. Command File : /data1/gtac/cmd/37_005/37_005_1800.py 9. LTA File : /gsbifrdata1/19nov/37_005_19nov2019_gsb.lta, /gwbifrdata1/19nov/37_005_19nov2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/37_005.FLAGS.2 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,OFF, IF-CH2 : 4+12 dB, 32 MHz,OFF 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 :26 32. Name of Non-Working Antennas (with reason for each) : C04 : Mechanical work. C08 : Mechanical work. C11 : Touch up painting. C01 : Low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Nov 2019 16:00:00 - 19 Nov 2019 20:05:00 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 : 400.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 37_005 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 : 8 Bits GPU_FILRFI : Voltage Detection GPU_BEAM_S : OFF -------------------------------------------------------------------------- 16:25 : '/data1/gtac/cmd/37_005/37_005_1800.py' command file started. 17:17 : C11 started working. 17:25 : Stopped command file. 17:32 : Started scan on 3C48 for ~ 12.8849 min. 17:49 : Restarted command file. 19:46 : Stopped command file. 19:52 : Started scan on 3C48. 20:05 : Stopped scan and observing session over.