GTAC Observation Log 1. Date : 03/01/2022 2. Observation Sr. No. : 13825 3. Observer : Jayanta Roy, Shyam Sunder, Bhaswati Bhattacharyya, Lina Levin, Ben Stappers, Paul Ray, Sanjay S. Kudale 4. Observer\'s Email : jroy@ncra.tifr.res.in, ssunder@ncra.tifr.res.in, bhaswati.bhattacharyya78@gmail.com, lina.s.levin@gmail.com, Ben.Stappers@manchester.ac.uk, paul.ray@nrl.navy.mil, ksanjay@gmrt.ncra.tifr.res.in 5. Project Name : Wide-band timing of millisecond pulsars with the GMRT 6. Project Code : 41_082 7. Operator(s) : Navnath, Rupsing, Shilpa, Shriram 8. Command File : /data1/gtac/cmd/jroy/41_082_3jan.py 9. LTA File : /gwbifrdata1/03jan/41_082_03jan2021_gwb.lta 10. LogFlag File : 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/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) : 306 306 255 255 51 51 30. Integration Time : 4.0265 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): 03 Jan 2022 06:15:00 - 03 Jan 2022 12:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : Pulsar Data Files On :- GWBH7 : /data6/gpuuser/41_082_data6_03jan2022/* GWBH9 : /data3/gpuuser/41_082_03jan2022_data3/* ------------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 : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 41_082 GPU_CNTRL : TGC GPU_FSTOP : ON GPU_BEAM_1 : VOLTAGE GPU_BEAM_2 : OFF GPU_BEAM_3 : PA GPU_BEAM_4 : OFF GPU_BM_INT : 4 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 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=21 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=21 # BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=21 # BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=21 -------------------------------------------------------------------------- 06:20:21 : Started scan on 1154-350 for ~ 6.26349 min. 06:27:03 : Started scan on 1154-350 for ~ 2.41592 min. 06:30 : Power equalized and phasing done on 1154-350. 06:31 : \'/data1/gtac/cmd/jroy/41_082_3jan.py\' command file started. 06:31:33 : Started scan on J1120-3618 for ~ 9.1268 min. 06:42:54 : Started scan on J1120-3618 for ~ 60.5769 min. 07:47:06 : Started scan on 1526-138 for ~ 1.2527 min. 07:48:40 : Started scan on 1526-138 for ~ 0.984262 min. 07:51:34 : Started scan on J1646-2142 for ~ 60.5769 min. 08:54:36 : Started scan on J1536-4948 for ~ 30.6016 min. 09:30:17 : Started scan on J1640+2224 for ~ 30.6016 min. 10:00:00 : C09 Removed from GAC. for Painting Work. 10:06:19 : Started scan on 1830-360 for ~ 1.2527 min. 10:07:54 : Started scan on 1830-360 for ~ 0.984262 min. 10:13:52 : Started scan on J1713+0747 for ~ 30.6016 min. 10:47:08 : Started scan on J1828+0625 for ~ 68.8984 min. 11:47:00 : cmcserver /opt are full. TGC Stopped Working. 12:00:00 : Observation session over.