GTAC Observation Log 1. Date : 29/12/2019 2. Observation Sr. No. : 11740 3. Observer : Yogesh Maan, BHAL CHANDRA JOSHI, Mayuresh Surnis, Manjari Bagchi 4. Observer's Email : maan@astron.nl, bcj@ncra.tifr.res.in, mayuresh.surnis@mail.wvu.edu, manjari.bagchi@gmail.com 5. Project Name : Continuing the multi-band low-frequency monitoring of the Magnetar XTE 1810-197 6. Project Code : 37_102 7. Operator(s) : Surender 8. Command File : /odisk/gtac/cmd/37_102/29dec19/b3/p37_102_29dec_1100.cmd.txt 9. LTA File : /gwbifrdata2/29dec/37_102_b3_29dec2019_gwb.lta, /gwbifrdata2/29dec/37_102_29dec2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/37_102.FLAGS.3 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 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 : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C08 : : Taken for Mech work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 Dec 2019 11:00:00 - 29 Dec 2019 12:00:00 35. ONLINE Machine : Shivneri 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 : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 37_102 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 : 16 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 C03 C04 C05 C06 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=19 # BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=19 ------------------------------------------- ----------------------------------------------------------------------- 10:56:11 : Started scan on 1822-096 for ~ 5.01079 min. 11:02:20 : Started scan on 1822-096 for ~ 1.96852 min. 11:05:17 : Started scan on J1809-1943 for ~ 40.2653 min. 11:46:32 : Started scan on B1822-09 for ~ 5.27923 min. 11:53:20 : Started scan on 1822-096 for ~ 2.01326 min. 11:55:29 : Started scan on 1822-096 for ~ 4.87657 min. 12:00:29 : Started scan on 1822-096 for ~ 0.671088 min. 12:01:16 : Started scan on 1822-096 for ~ 1.2527 min. 12:04:11 : Started scan on 1822OFF for ~ 1.20796 min. 12:05:00 : Stopped scan and observing session over. -----------------------------------------------------------------------