GTAC Observation Log 1. Date : 29/07/2017 2. Observation Sr. No. : 9614 3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Nikhil Vijay Naik, Kishalay De, Yogesh Maan, Manjari Bagchi, Jayanta Roy, Gopakumar Achamveedu 4. Observer's Email : ygupta@ncra.tifr.res.in, bcj@ncra.tifr.res.in, naiknikhil27@gmail.com, ugkishalayde@ug.iisc.in, ymaan@ncra.tifr.res.in, manjari.bagchi@gmail.com, jroy@ncra.tifr.res.in, gopu.tifr@gmail.com 5. Project Name : Towards precision pulsar timing with the upgraded GMRT 6. Project Code : 32_032 7. Operator(s) : Nilesh, Pramod, Rupsing, Surender 8. Command File : /odisk/gtac/cmd/32_032/29jul17.cmd 9. LTA File : /gwbifrdata2/29jul/32_032_pband_29jul2017_gwb.lta, /gwbifrdata2/29jul/32_032_lband_29jul2017_gwb.lta, /gwbifrdata2/29jul/32_032_610_29jul2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/32_032.FLAGS.17 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 1454 1454 1505 1505 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : W03 : Mesh work(RFI) 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 Jul 2017 12:00:00 - 29 Jul 2017 16:06:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. 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 : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF2 : 500 500 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : 32_032B GPU_RF3 : 850 850 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : 32_032C GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 32_032 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : PA GPU_BEAM_3 : PA GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 64 inputs. GPU_FILRFI : RFI Filterring OFF -------------------------------------------------------------------------- # sub 2 # 325MHz # GAB_LO_500 # Bm1:GAC GAC : C01 C04 C06 W01 S01 # sub 3 # 610MHz # GAB_LO_850 # Beam :3 GAC : C02 C03 C09 W02 E03 S02 # sub 4 # 1420MHZ # GAB_LO_1460 # Beam :2 GAC : C00 C05 C08 C10 C11 C12 C13 C14 W04 W05 W06 E02 E04 E05 E06 S03 S04 S06 -------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C01 C04 C06 S01 W01 Total=5 # BEAM-1:175 :: C01 C04 C06 S01 W01 Total=5 # BEAM-2:130 :: C02 C03 C09 E03 S02 W02 Total=6 # BEAM-2:175 :: C02 C03 C09 E03 S02 W02 Total=6 # BEAM-3:130 :: C00 C05 C08 C10 C11 C12 C13 C14 E02 E04 E05 E06 S03 S04 S06 W04 W05 W06 Total=18 # BEAM-3:175 :: C00 C05 C08 C10 C11 C12 C13 C14 E02 E04 E05 E06 S03 S04 S06 W04 W05 W06 Total=18 -------------------------------------------------------------------------- 12:32:39 : Started scan on 3C147 for ~ 1.78957 min. 12:34:36 : Started scan on 3C147 for ~ 3.13174 min. 12:38:17 : Started scan on 3C147 for ~ 2.23696 min. 12:45:06 : Started scan on 0744-064 for ~ 0.984262 min. 12:46:26 : Started scan on 0744-064 for ~ 0.715827 min. 12:55:26 : Started scan on 0744-064 for ~ 1.16322 min. 12:56:51 : Started scan on 0744-064 for ~ 0.805306 min. 12:59:35 : Started scan on J0613-0200 for ~ 20.2221 min. -------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C01 C04 C06 S01 W01 Total=5 # BEAM-1:175 :: C01 C04 C06 S01 W01 Total=5 # BEAM-2:130 :: C00 C05 C08 C10 C11 C12 C13 C14 E02 E04 E05 E06 S03 S04 S06 W04 W05 W06 Total=18 # BEAM-2:175 :: C00 C05 C08 C10 C11 C12 C13 C14 E02 E04 E05 E06 S03 S04 S06 W04 W05 W06 Total=18 # BEAM-3:130 :: C02 C03 C09 E03 S02 W02 Total=6 # BEAM-3:175 :: C02 C03 C09 E03 S02 W02 Total=6 ------------------------------------------------------------------------- 13:23:04 : Started scan on 3C147 for ~ 1.07374 min. 13:24:24 : Started scan on 3C147 for ~ 0.894784 min. 13:26:36 : Started scan on J0645+5158 for ~ 20.3116 min. 13:51:16 : Started scan on 0744-064 for ~ 1.07374 min. 13:52:40 : Started scan on 0744-064 for ~ 0.715827 min. 13:55:53 : Started scan on J0751+1807 for ~ 20.2221 min. 14:19:31 : Started scan on 0834+555 for ~ 0.984262 min. 14:20:51 : Started scan on 0834+555 for ~ 0.805306 min. 14:23:35 : Started scan on J1012+5307 for ~ 20.3116 min. 14:51:47 : Started scan on 1130-148 for ~ 0.984262 min. 14:53:06 : Started scan on 1130-148 for ~ 0.715827 min. 14:57:06 : Started scan on J1022+1001 for ~ 20.3116 min. 15:20:35 : Started scan on 1130-148 for ~ 1.07374 min. 15:22:00 : Started scan on 1130-148 for ~ 0.805306 min. 15:24:58 : Started scan on J1024-0719 for ~ 20.4011 min. 15:48:56 : Started scan on 1311-222 for ~ 1.07374 min. 15:50:16 : Started scan on 1311-222 for ~ 0.894784 min. 15:54:48 : Started scan on J1455-3330 for ~ 11.7217 min. 16:06:00 : Stopped command file and observing session over.