GTAC Observation Log 1. Date : 07/03/2020 2. Observation Sr. No. : 11955 3. Observer : Kenda Knowles, C.H. IshwaraChandra, Matthew Prescott, Srikrishna Sekhar, Russ Taylor, Mattia Vaccari 4. Observer\'s Email : kendaknowles.astro@gmail.com, ishwar@ncra.tifr.res.in, matt.x.prescott@gmail.com, srikrishna@idia.ac.za, russ@ast.uct.ac.za, mattia.vaccari@gmail.com 5. Project Name : Wideband study of a giant synchrotron halo at z=0.243 6. Project Code : 37_039 7. Operator(s) : Navnath, Nilesh, Pramod 8. Command File : /data1/gtac/cmd/37_039/07mar20.py 9. LTA File : /gsbifrdata/06mar/37_039_06mar2020_gsb.lta, /gwbifrdata/06mar/37_039_06mar2020_gwb.lta, /gsbifrdata1/07mar/37_039_07mar2020_gsb.lta, /gwbifrdata2/07mar/37_039_07mar2020_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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 : 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) : 306 306 255 255 51 51 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Maintenance. S06 : No fringe, FE problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 07 Mar 2020 00:00:00 - 07 Mar 2020 08:10:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : 00:00 : Started settings. ------------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 : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 37_039 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 -------------------------------- 00:20 : Started scan on 3C286 for ~ 10 mins. 00:38 : Started command file. /data1/gtac/cmd/37_039/07mar20.py 00:40:04 : Started scan on 1459+716 for ~ 5.23449 min. 00:48:40 : Started scan on J1616P5527 for ~ 30.87 min. 01:22:33 : Started scan on 1459+716 for ~ 5.23449 min. 01:30:48 : Started scan on J1616P5527 for ~ 31.0043 min. 02:04:48 : Started scan on 1459+716 for ~ 5.16738 min. 02:13:01 : Started scan on J1616P5527 for ~ 31.0043 min. 02:47:02 : Started scan on 1459+716 for ~ 5.23449 min. 02:55:16 : Started scan on J1616P5527 for ~ 31.0714 min. 03:29:21 : Started scan on 1459+716 for ~ 5.16738 min. 03:37:37 : Started scan on J1616P5527 for ~ 30.6687 min. 04:11:21 : Started scan on 1459+716 for ~ 5.16738 min. 04:19:35 : Started scan on J1616P5527 for ~ 30.7358 min. 04:53:19 : Started scan on 1459+716 for ~ 5.16738 min. 05:01:35 : Started scan on J1616P5527 for ~ 30.8029 min. 05:35:26 : Started scan on 1459+716 for ~ 5.23449 min. 05:43:39 : Started scan on J1616P5527 for ~ 30.5345 min. 06:17:42 : Started scan on 1459+716 for ~ 5.23449 min. 06:25:57 : Started scan on J1616P5527 for ~ 31.0043 min. 07:00:02 : Started scan on 1459+716 for ~ 5.23449 min. 07:16:03 : Started scan on 3C286 for ~ 10.2005 min. 07:30:07 : Started scan on 1459+716 for ~ 5.23449 min. 07:38:42 : Started scan on J1616P5527 for ~ 17.0456 min. 08:02:52 : Started scan on 1459+716 for ~ 6.37534 min. 08:10:00 : Observation session over. ------------------------------------------------