GTAC Observation Log 1. Date : 15/02/2019 2. Observation Sr. No. : 10892 3. Observer : Y. Maan, B. C. Joshi, M. Bagchi, M. Surnis, P. K. Manoharan 4. Observer's Email : ymaan4@gmail.com,bcj@ncra.tifr.res.in,manjari.bagchi@gmail.com,msurnis@gmail.com,mano.rac@gmail.com 5. Project Name : Low-frequency monitoring of the magnetar XTE J1810-197 6. Project Code : DDTC044 7. Operator(s) : Nilesh 8. Command File : /odisk/gtac/cmd/bcj/ddtC044_15feb2019.cmd 9. LTA File : /gwbifrdata1/15feb/ddtc044_15feb2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/DDTC044.FLAGS.3, /odisk/online1/logflags/35_050.FLAGS 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_lenyadri 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) : 591 591 540 540 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : FPS problem. W01 : Strong RFI, bad band-shapes. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Feb 2019 08:00:00 - 15 Feb 2019 09:05:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 08:00 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 2 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 : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : DDTC044 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 32 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 Total=15 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 Total=15 Pulsar DATA files :: gwbh7:/data5/gpuuser/DDTC044_data5_15feb2019 08:10:00 : Started phasing on 1822-096. 08:15:04 : Started scan on 1822-096 for ~ 1.52113 min. 08:19:57 : Started scan on B1742-30 for ~ 2.21459 min. 08:23:15 : Started scan on J1809-1943 for ~ 28.5883 min. 08:56:22 : Started scan on 3C286 for ~ 1.96852 min. 08:58:31 : Started scan on 3C286 for ~ 2.21459 min. 09:01:49 : Started scan on 3C286OFF for ~ 2.21459 min. 09:05 : Stopped command file and observation closed.