GTAC Observation Log 1. Date : 04/03/2019 2. Observation Sr. No. : 10933 3. Observer : Chandreyee Maitra, Subhashis Roy 4. Observer's Email : chandreyeee@gmail.com, roy@ncra.tifr.res.in 5. Project Name : Radio imaging in Band-4 with uGMRT and determination of the spectral index of the PWN around PSR J0855-4644 6. Project Code : 35_084 7. Operator(s) : Navnath, Nilesh, Surender 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/03mar/35_084_03mar2019_gsb.lta, /gwbifrdata2/03mar/35_084_03mar2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/35_084.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_lenyadri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Full_Stokes 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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 Mar 2019 20:00:00 - 04 Mar 2019 01:05:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 35_084 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF 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 : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF ------GWB RFI Filter Setting----- FILTERED_SIGNALS : RFI_ALL # RFI_ALL=All signals filtered / RFI_CH1 =Channel 1 only / RFI_CH2=Channel 2 only EXTERNAL MEDIAN : 0 # integer value(-128 to 127) THRESHOLD VALUE : 3 # integer value(0 to 127) CONSTANT VALUE : 0 # integer value(-128 to 127) FILTERING OPTION : DIGITAL NOISE # BYPASS / CONSTANT=constant value is used / THRESHOLD / DIGITAL_NOISE DDC_STATUS : OFF #DDC_STATUS = ON/OFF -------------------------------- 20:00:00 : Started set-up. 20:05:55 : Started scan on 3C147 for ~ 8.18727 min. 20:24:19 : Started scan on 3C138 for ~ 4.96605 min. 20:33:58 : Started scan on 0837-198 for ~ 3.89231 min. 20:39:25 : Started scan on 0835-451 for ~ 3.89231 min. 20:46:39 : Started scan on PSRJ0855 for ~ 27.9173 min. 21:15:17 : Started scan on 0835-451 for ~ 3.89231 min. 21:20:12 : Started scan on PSRJ0855 for ~ 27.9173 min. 21:50:20 : Started scan on 0837-198 for ~ 3.89231 min. 21:55:59 : Started scan on 0835-451 for ~ 3.89231 min. 22:03:16 : Started scan on PSRJ0855 for ~ 27.9173 min. 22:31:52 : Started scan on 0835-451 for ~ 3.89231 min. 22:36:41 : Started scan on PSRJ0855 for ~ 27.9173 min. 23:06:46 : Started scan on 0837-198 for ~ 3.89231 min. 23:12:24 : Started scan on 0835-451 for ~ 3.89231 min. 23:19:37 : Started scan on PSRJ0855 for ~ 27.9173 min. 23:48:12 : Started scan on 0835-451 for ~ 3.89231 min. 23:53:15 : Started scan on PSRJ0855 for ~ 27.9173 min. 00:23:03 : Started scan on 0837-198 for ~ 3.89231 min. 00:28:28 : Started scan on 0835-451 for ~ 3.89231 min. 00:35:46 : Started scan on PSRJ0855 for ~ 10.2005 min. 00:50:32 : Started scan on 3C147 for ~ 5.23449 min. 01:00:00 : Started scan on 3C286 for ~ 5.50292 min. 01:05:00 : Stopped scan and observing session over.