GTAC Observation Log 1. Date : 03/06/2021 2. Observation Sr. No. : 13155 3. Observer : Mayuresh Surnis, BHAL CHANDRA JOSHI, Yogesh Maan, Ben Stappers, Fabian Jankowski, Kaustubh Milind Rajwade, Manisha Caleb 4. Observer\'s Email : msurnis@gmail.com, bcj@ncra.tifr.res.in, ymaan4@gmail.com, Ben.Stappers@manchester.ac.uk, fabian.jankowski@manchester.ac.uk, rkaustubh10@gmail.com, manishacaleb@gmail.com 5. Project Name : uGMRT Follow-up of the newly discovered transient XRT210423 6. Project Code : ddtC180 7. Operator(s) : Deepak, Sachin 8. Command File : /odisk/gtac/cmd/obs.py 9. LTA File : /gwbifrdata/03jun/ddtc180_03jun2021_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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) : 591 591 540 540 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): 03 Jun 2021 17:00:00 - 03 Jun 2021 19:00:00 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 : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 470 470 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : SUBA4 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : PA 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_ENV : RELEASED -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: Total=0 # BEAM-1:175 :: Total=0 # BEAM-2:130 :: Total=0 # BEAM-2:175 :: Total=0 # BEAM-3:130 :: Total=0 # BEAM-3:175 :: Total=0 # BEAM-4:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=16 # BEAM-4:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=16 17:20:31 : Started scan on 3C286 for ~ 1.78957 min. 17:22:44 : Started scan on 3C286 for ~ 0.715827 min. 17:23:58 : Started scan on 3C286 for ~ 4.11601 min. 17:30:09 : Started scan on B1237+25 for ~ 2.14748 min. 17:34:28 : Started scan on XRT210423 for ~ 30.0647 min. 18:06:20 : Started scan on 3C286 for ~ 4.11601 min. 18:12:06 : Started scan on XRT210423 for ~ 30.2437 min. 18:43:59 : Started scan on 3C286 for ~ 3.93705 min. 18:48:30 : Started scan on 3C286 for ~ 5.01079 min. 19:00 : Closed observation session.