GTAC Observation Log 1. Date : 12/01/2019 2. Observation Sr. No. : 10803 3. Observer : Yogesh Maan, Bhal Chandra Joshi, Manjari Bagchi, Mayuresh 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) : Navnath, Nilesh 8. Command File : /odisk/gtac/cmd/bcj/ddtc44_12jan.cmd.txt 9. LTA File : /gwbifrdata/12jan/ddtc044A_11jan2019_suba4_gwb.lta, /gwbifrdata1/12jan/ddtc044B_11jan2019_suba3_gwb.lta, /gwbifrdata2/12jan/ddtc044C_11jan2019_suba2_gwb.lta 10. LogFlag File : /odisk/online1/logflags/DDTC44C.FLAGS, /odisk/online1/logflags/DDTC44B.FLAGS.1, /odisk/online1/logflags/DDTC44A.FLAGS.1 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 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 :28 32. Name of Non-Working Antennas (with reason for each) : C01 : : Painting. C02 : : Mechanical Work 33. Note for Backup : 34. Start and End Time of Obs.(IST): 12 Jan 2019 14:00:00 - 12 Jan 2019 15:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : # sub 2 # C00 C02 C08 W03 W04 E04 S03 S04 ante 8 7 5 24 14 15 21 28 29 cp 0;defs 2;subar 2 # sub 3 # C01 C04 C06 C09 C12 ante 5 6 3 20 4 2 cp 0;defs 3;subar 3 # sub 4 # C03 C05 C10 C11 C13 C14 W01 W02 W05 W06 E02 E03 E05 E06 S01 S02 S06 ante 17 1 19 12 9 11 10 8 13 16 25 17 18 22 23 26 27 30 cp 0;defs 4;subar 4 ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 100.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF2 : 750 750 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : DDTC44C GPU_RF3 : 500 500 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : DDTC44B GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : DDTC44A GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : Voltage GPU_BEAM_3 : PA GPU_BEAM_4 : OFF GPU_BM_INT : 8 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 :: C03 C05 C10 C11 C13 C14 E02 E03 S01 S02 W01 W02 Total=12 # BEAM-1:175 :: C03 C05 C10 C11 C13 C14 E02 E03 S01 S02 W01 W02 Total=12 # BEAM-2:130 :: C04 C06 C09 C12 Total=4 # BEAM-2:175 :: C04 C06 C09 C12 Total=4 # BEAM-3:130 :: C00 C08 E04 S03 S04 W03 W04 Total=7 # BEAM-3:175 :: C00 C08 E04 S03 S04 W03 W04 Total=7 # BEAM-4:130 :: Total=0 # BEAM-4:175 :: Total=0 ---------------------------------------------------------------------- 14:00 : Started setup. 14:10 : Started power phasing on 1822-096. 14:15 : Started cmd file. /odisk/gtac/cmd/bcj/ddtc44_12jan.cmd.txt 15:00 : Stopped command file and observation session is over.