GTAC Observation Log 1. Date : 14/12/2019 2. Observation Sr. No. : 11679 3. Observer : Jyotirmoy Dey, Jagadheep D Pandian, Nirupam Roy, Michael Rainer Rugel, Karl M. Menten, Andreas Brunthaler, Friedrich Wyrowski 4. Observer's Email : arghya.brc555@gmail.com, jagadheep@iist.ac.in, roy.nirupam@gmail.com, mrugel@mpifr-bonn.mpg.de, kmenten@mpifr.de, brunthal@mpifr-bonn.mpg.de, wyrowski@mpifr-bonn.mpg.de 5. Project Name : A detailed study of RRL emission from core-halo type ultracompact HII regions. 6. Project Code : 37_073 7. Operator(s) : Sachin 8. Command File : /odisk/gtac/cmd/37_073/14dec19.cmd 9. LTA File : /gsbifrdata1/14dec/37_073_14dec2019_gsb.lta, /gwbifrdata/14dec/37_073_14dec2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/37_073.FLAGS.4 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1399 MHz ,RF2 : 1399 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1450 MHz, ILO2 : 1450MHz , 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) : 1399 1399 1450 1450 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C04 : Servo problem. C10 : Taken for mechanical maintenance. S02 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 14 Dec 2019 12:00:00 - 14 Dec 2019 16:02:00 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 : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1450 1450 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 37_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 : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 12:17:05 : Started scan on 3C286 for ~ 10.0216 min. 12:33:22 : Started scan on 1822-096 for ~ 6.88984 min. 12:41:43 : Started scan on G24.471+0.4 for ~ 30.6016 min. 13:13:34 : Started scan on 1822-096 for ~ 6.88984 min. 13:21:53 : Started scan on G24.471+0.4 for ~ 30.6016 min. 13:53:55 : Started scan on 1822-096 for ~ 6.88984 min. 14:02:09 : Started scan on G24.471+0.4 for ~ 15.4798 min. 14:34:11 : Started scan on 1822-096 for ~ 6.88984 min. 14:42:19 : Started scan on G24.471+0.4 for ~ 6.88984 min. 14:45 : S02 released for observation. 15:13 : C10 released for observation. 15:45 : Command file stopped. 15:50 : C10 servo brake. 15:52 : Started scan on 3C48 for 10mins. 16:02 : Observation stopped.