GTAC Observation Log 1. Date : 02/01/2022 2. Observation Sr. No. : 13817 3. Observer : Manisha Caleb, Jayanta Roy, Bhaswati Bhattacharyya, Kaustubh Milind Rajwade, Ben Stappers, Mayuresh Surnis, Fabian Jankowski, Vincent Morello, Laura Nicole Driessen, Tiaan Bezuidenhout, Rob Fender, Patrick Woudt, Ian Heywood, Mateusz Malenta, Jakob van den Eijnden, Michael Kramer, Ewan Barr 4. Observer\'s Email : manishacaleb@gmail.com, jroy@ncra.tifr.res.in, bhaswati@ncra.tifr.res.in, rkaustubh10@gmail.com, Ben.Stappers@manchester.ac.uk, msurnis@gmail.com, fabian.jankowski@manchester.ac.uk, vmorello@gmail.com, Laura.Driessen@Postgrad.Manchester.ac.uk, mechiel.bezuidenhout@postgrad.manchester.ac.uk, Rob.Fender@physics.ox.ac.uk, pwoudt@ast.uct.ac.za, ian.heywood@physics.ox.ac.uk, mateusz.malenta@manchester.ac.uk, jakob.vandeneijnden@st-hildas.ox.ac.uk, mkramer@mpifr-bonn.mpg.de, ebarr@mpifr-bonn.mpg.de 5. Project Name : Low frequency observations of a new 76-s period neutron star with the uGMRT 6. Project Code : 41_055 7. Operator(s) : Nilesh 8. Command File : /data1/gtac/cmd/jroy/41_055_2jan.cal.polar.py, /data1/gtac/cmd/jroy/41_055_2jan.polar.py 9. LTA File : /gwbifrdata/01jan/41_055b_01jan2022_band3_gwb.lta, /gwbifrdata/01jan/41_055a_01jan2022_band4_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 : 2.0132 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): 01 Jan 2022 23:30:00 - 02 Jan 2022 02:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 38. Comments (During Observations) : 23:30 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 8 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 : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF3 : 500 500 GPU_DDCLO3 : 0.000000 0.000000 GPU_SB3 : -1 -1 GCODE3 : 41_055B GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 41_055A GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : IA GPU_BEAM_2 : IA GPU_BEAM_3 : PA GPU_BEAM_4 : PA GPU_BM_INT : 16 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 : 8 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : TRIAL -------------------------------- BEAM SCALING = 4 for ALL BEAM\'s Applied. -------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C01 C02 C06 C08 C11 C12 C14 E02 S01 W01 Total=10 # BEAM-1:175 :: C01 C02 C06 C08 C11 C12 C14 E02 S01 W01 Total=10 # BEAM-2:130 :: C00 C04 C05 C09 C10 C13 E03 E04 E05 S02 S03 S04 W02 W03 W04 W05 Total=16 # BEAM-2:175 :: C00 C04 C05 C09 C10 C13 E03 E04 E05 S02 S03 S04 W02 W03 W04 W05 Total=16 # BEAM-3:130 :: C01 C02 C06 C08 C11 C12 C14 E02 S01 W01 Total=10 # BEAM-3:175 :: C01 C02 C06 C08 C11 C12 C14 E02 S01 W01 Total=10 # BEAM-4:130 :: C00 C04 C05 C09 C10 C13 E03 E04 E05 S02 S03 S04 W02 W03 W04 W05 Total=16 # BEAM-4:175 :: C00 C04 C05 C09 C10 C13 E03 E04 E05 S02 S03 S04 W02 W03 W04 W05 Total=16 -------------------------------------------------------- Pulsar DATA Files: gwbh7:/data8/gpuuser/41_055A_02jan2022_data8/* gwbh8:/data8/gpuuser/41_055A_02jan2022_data8/* gwbh9:/data6/gpuuser/41_055A_02jan2022_data6/* gwbh10:/data6/gpuuser/41_055A_02jan2022_data6/* -------------------------------------------------------- 23:45 : Started power eq and phasing on 0837-198. 23:57 : Started command file. /data1/gtac/cmd/jroy/41_055_2jan.cal.polar.py 00:20 : Started next command file. /data1/gtac/cmd/jroy/41_055_2jan.polar.py 02:15 : Stopped command file and observation closed.