GTAC Observation Log 1. Date : 02/02/2018 2. Observation Sr. No. : 10063 3. Observer : Corrado Trigilio, Grazia Umana, Adriano Ingallinera, Paolo Leto, Francesco Cavallaro, Carla Simona Buemi, Simone Riggi, Filomena BUFANO 4. Observer's Email : ctrigilio@oact.inaf.it, Grazia.Umana@oact.inaf.it, ingallinera@oact.inaf.it, pleto@oact.inaf.it, francesco.cavallaro@oact.inaf.it, cbuemi@oact.inaf.it, simone.riggi@gmail.com, milena.bufano@gmail.com 5. Project Name : Is Trappist-1 a stellar analogue of Jupiter- satellites system? 6. Project Code : 33_073 7. Operator(s) : Deepak, Navnath, Rupsing, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/33_073/obs.cmd 9. LTA File : /gsbifrdata1/02feb/33_073_02feb2018_gsb.lta, /gwbifrdata1/02feb/33_073_02feb2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/33_073.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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_lenyadri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 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) : 591 591 540 540 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) : C00 : Taken for mechanical work. C14 : Mechanical work E04 : Refurbishment work. E06 : Painting. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 02 Feb 2018 09:45:00 - 02 Feb 2018 19:30:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. 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 : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 33_073 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 : 128 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : For 32 inputs GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF --------------------------------------------------------------------------- 09:45 : Started setup. C01 no fringe at GSB. 09:55 : Started scan on 3C286 for 15 min. 10:10 : Started command file. /odisk/gtac/cmd/33_073/obs.cmd 12:52 : W03 servo problem. 16:10 : W03 started working. 16:57 : C00 and E04 started working. 17:41 : C14 started working. 18:25 : E06 started working. 19:10 : Stopped command file. 19:13 : Started scan on 3C48. 19:13 : S01 fringe fluctuation at 130pol. 19:30 : Stopped scan and observing session over.