GTAC Observation Log 1. Date : 26/08/2023 2. Observation Sr. No. : 15794 3. Observer : Yogesh Maan, Mayuresh Surnis, Visweshwar Ram Marthi, BHAL CHANDRA JOSHI, Krishnakumar MA 4. Observer\'s Email : ymaan4@gmail.com, mayuresh.surnis@mail.wvu.edu, vrmarthi@ncra.tifr.res.in, bcj@ncra.tifr.res.in, kk.ambalappat@gmail.com 5. Project Name : Low-frequency monitoring of the Magnetar XTE 1810-197 6. Project Code : 44_013 7. Operator(s) : Navnath, Pramod 8. Command File : /data1/gtac/cmd/44_013/44_013_26Aug2023_1900_cmd.py 9. LTA File : /gwbifrdata/26aug/44_013_26aug2023_b4_gwb.lta, /gwbifrdata/26aug/44_013_26aug2023_b3_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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C01 : Low self Power @ RF Ch1. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 26 Aug 2023 19:00:00 - 26 Aug 2023 21:00:00 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 : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 470 470 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 44_013 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : 4 GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 64 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 -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 Total=22 # BEAM-1:175 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 Total=22 # BEAM-2:130 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 Total=22 # BEAM-2:175 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 Total=22 ---------------------------------------------------------------- 19:05:00 : Started setup. 19:32:28 : Started scan on 3C286 for ~ 1.43165 min. 19:34:32 : Started scan on 3C286 for ~ 0.715827 min. 19:35:45 : Started scan on 3C286 for ~ 1.2527 min. 19:38:23 : Started scan on 3C286OFF for ~ 1.2527 min. 19:41:46 : Started scan on 3C286_NG for ~ 1.2527 min. 19:44:25 : Started scan on 3C286OFF_NG for ~ 1.43165 min. 19:56:28 : Started scan on 1822-096 for ~ 1.2527 min. 19:58:27 : Started scan on 1822-096 for ~ 0.715827 min. 19:59:40 : Started scan on 1822-096 for ~ 1.43165 min. 20:02:45 : Started scan on J1809-1943 for ~ 33.286 min. 20:40:28 : Started scan on B1929+10 for ~ 3.22122 min. 20:47:13 : Started scan on 1822-096 for ~ 1.61061 min. 21:00:00 : Observation session closed. -----------------------------------------------------------------------