GTAC Observation Log 1. Date : 25/11/2019 2. Observation Sr. No. : 11622 3. Observer : Chandreyee Sengupta, Tom Charles Scott, Patricio Lagos 4. Observer's Email : sengupta.chandreyee@gmail.com, tom.scott@astro.up.pt, patricio.lagos@astro.up.pt 5. Project Name : HI observations of extended ultradiffuse galaxies 6. Project Code : 37_037 7. Operator(s) : Nilesh, Rupsing, Sachin, Surender 8. Command File : /odisk/gtac/cmd/37_037/25nov19/obs_25nov19.cmd 9. LTA File : /gsbifrdata1/25nov/37_037_25nov2019_gsb.lta, /gwbifrdata1/25nov/37_037_25nov2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/37_047.FLAGS.5 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 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) : 1371 1371 1320 1320 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :24 32. Name of Non-Working Antennas (with reason for each) : C01 : Servo problem. C04 : Mechanical work. C11 : Touch up painting. C02 : Oscillations(FE). W03 : FE problem. W06 : FE problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 25 Nov 2019 09:00:00 - 25 Nov 2019 17:03:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :24 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 12.5000 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 : 58.5235 58.5235 GPU_SB4 : 1 1 GCODE4 : 37_037 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 : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF ------------------------------------------------------------------------ 09:14 : Started scan on 3C286. 09:25 : Stopped scan. 09:28 : Started command file. '/odisk/gtac/cmd/37_037/25nov19/obs_25nov19.cmd' 14:50 : Stopped command file. 16:53:17 : Started scan on 3C48 for ~ 10.7374 min. 17:03:00 : Stopped scan and observing session over.