GTAC Observation Log 1. Date : 17/03/2020 2. Observation Sr. No. : 11987 3. Observer : Maryam Arabsalmani, Sambit Roychowdhury, Emeric Le Floc`h, Frederic Bournaud, Nissim Kanekar, Martin Alexander Zwaan, Elena Pian 4. Observer\'s Email : maryam.arabsalmani@unimelb.edu.au, sroychowdhury@swin.edu.au, elefloch@cea.fr, frederic.bournaud@cea.fr, nkanekar@ncra.tifr.res.in, mzwaan@eso.org, elena.pian@inaf.it 5. Project Name : Massive star explosions in high density gas 6. Project Code : 37_116 7. Operator(s) : Deepak, Nilesh, Shilpa 8. Command File : /odisk/gtac/cmd/37_116/17mar2020/obs.cmd 9. LTA File : /gsbifrdata1/17mar/37_116_17mar2020_gsb.lta, /gwbifrdata/17mar/37_116_17mar2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/37_116.FLAGS.17 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1392 MHz ,RF2 : 1392 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1330 MHz, ILO2 : 1330MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 : 16.666666 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 1392 1392 1330 1330 62 62 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C03 : Maintenance. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 17 Mar 2020 08:00:00 - 17 Mar 2020 15:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 2 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 : 55.0000 55.0000 GPU_SB4 : 1 1 GCODE4 : 37_116 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 : 16 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------------------------------------------------- 08:00 : Started settings. 08:19 : \'/odisk/gtac/cmd/37_116/17mar2020/obs.cmd\' command file started. 09:44 : C06 taken for painting. 10:08 : C14 taken for structural repairing. 10:10 : C06 released for observation. 10:16 : Stopped command file. 10:17 : Started scan on 3C48 for ~ 9.66367 min. 10:29 : Restarted command file. 14:45 : Stopped command file. 14:48 : Started scan on 3C48. 15:00 : Stopped scan and observing session over.