GTAC Observation Log 1. Date : 01/01/2022 2. Observation Sr. No. : 13815 3. Observer : Daniele ViganĂ², Mayank Narang, Manoj Puravankara, Kaustubh Hakim, Josep M Girart 4. Observer\'s Email : vigano@ice.csic.es, mayankn1154@gmail.com, manoj.puravankara@tifr.res.in, kaustubh.hakim@unibe.ch, girart@ice.cat 5. Project Name : Testing magnetism in a close, young directly-imaged sub-stellar object 6. Project Code : 41_007 7. Operator(s) : Deepak, Navnath, Sachin 8. Command File : /data1/gtac/cmd/41_007/obs.py 9. LTA File : /gsbifrdata1/01jan/41_007_01jan2022_gsb.lta, /gwbifrdata1/01jan/41_007_01jan2022_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/TGC 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) : 306 306 255 255 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 01 Jan 2022 18:00:00 - 01 Jan 2022 22:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 41_007 GPU_CNTRL : ONLINE/TGC 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 : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------- 17:45:00 : Started setup. 17:55:00 : Started cmd file. /data1/gtac/cmd/41_007/obs.py 17:55:19 : Started scan on 3C48 for ~ 10.3348 min. 18:11:45 : Started scan on 0025-260 for ~ 5.23449 min. 18:18:50 : Started scan on 2MJ01225 for ~ 30.199 min. 18:51:07 : Started scan on 0025-260 for ~ 5.23449 min. 18:58:31 : Started scan on 2MJ01225 for ~ 30.3332 min. 19:30:32 : Started scan on 0025-260 for ~ 5.23449 min. 19:37:36 : Started scan on 2MJ01225 for ~ 30.3332 min. 20:09:52 : Started scan on 0025-260 for ~ 5.23449 min. 20:16:47 : Started scan on 2MJ01225 for ~ 30.3332 min. 20:48:33 : Started scan on 0025-260 for ~ 5.23449 min. 20:55:25 : Started scan on 2MJ01225 for ~ 30.3332 min. 21:27:23 : Started scan on 0025-260 for ~ 5.23449 min. 21:36:40 : Started scan on 3C48 for ~ 9.1268 min. 22:00:00 : Observation session over