GTAC Observation Log 1. Date : 16/08/2017 2. Observation Sr. No. : 9679 3. Observer : Elliott Polzin, Bhaswati Bhattacharyya, Rene Breton, Andrew Lyne, Mallory Roberts, Ben Stappers 4. Observer's Email : elliott.polzin@postgrad.manchester.ac.uk, bhaswati.bhattacharyya@manchester.ac.uk, rene.breton@manchester.ac.uk, andrew.lyne@manchester.ac.uk, malloryr@gmail.com, Ben.Stappers@manchester.ac.uk 5. Project Name : %latex% Determining the phenomena behind the flux variations of binary PSRs B1718$-$19 and J1744$-$3922 6. Project Code : 32_045 7. Operator(s) : Deepak, Nilesh, Rupsing 8. Command File : /odisk/gtac/cmd/jroy/32_045_15aug.cmd 9. LTA File : /gsbifrdata/15aug/32_045_15aug2017_suba2.lta, /gsbifrdata1/15aug/32_045_15aug2017_suba4.lta, /gwbifrdata1/15aug/32_045_550_15aug2017_gwb.lta, /gwbifrdata1/15aug/32_045_1460_15aug2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/32_045B.FLAGS, /odisk/online1/logflags/32_045.FLAGS.3 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 : 20+14 dB, 32 MHz,OFF, IF-CH2 : 20+14 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Host : gsbm1 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : PA 22. Beam - 2 : PA 23. ACQ BW : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 1454 1454 1505 1505 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) : S02 : No Self power and no fringe @ GWB. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Aug 2017 20:05:00 - 16 Aug 2017 06:10:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 20:00 : Started settings. ------------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 : 550 550 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : -1 -1 GCODE2 : 32_045B GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 32_045 GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : PA GPU_BEAM_4 : PA GPU_BM_INT : 4 -------------------------------- 20:30 : Started power eq @ 300 counts for GSB and 150 counts for GWB. 20:40 : Started phasing. 21:05 : Phasing done, Started command file. # GWB GAC configuration is as follows : # BEAM-3:130 :: C02 C03 C05 C09 C10 C11 E02 W01 Total=8 # BEAM-3:175 :: C02 C03 C05 C09 C10 C11 E02 W01 Total=8 # BEAM-4:130 :: C00 C01 C04 C06 C08 C12 C13 C14 E03 E04 E05 E06 S01 S03 S04 W02 W03 W04 W05 Total=19 # BEAM-4:175 :: C00 C01 C04 C06 C08 C12 C13 C14 E03 E04 E05 E06 S01 S03 S04 W02 W03 W04 W05 Total=19 # GSB GAC configuration is as follows : # BEAM-1:130 :: C02 C03 C05 C09 C10 C11 E02 W01 Total=8 # BEAM-1:175 :: C02 C03 C05 C09 C10 C11 E02 W01 Total=8 # BEAM-2:130 :: C00 C01 C04 C06 C08 C12 C13 C14 E03 E04 E05 E06 S01 S02 S03 S04 W02 W03 W04 W05 Total=20 # BEAM-2:175 :: C00 C01 C04 C06 C08 C12 C13 C14 E03 E04 E05 E06 S01 S02 S03 S04 W02 W03 W04 W05 Total=20 20:37:32 : Started scan on 2202+422 for ~ 3.35544 min. 20:42:08 : Started scan on 2202+422 for ~ 3.85876 min. 20:47:12 : Started scan on 2052+365 for ~ 1.81194 min. 20:49:26 : Started scan on 2052+365 for ~ 6.27467 min. 20:55:55 : Started scan on 2052+365 for ~ 4.22785 min. 21:00:25 : Started scan on 2052+365 for ~ 2.51658 min. 21:06:03 : Started scan on 2052+365 for ~ 2.08037 min. 21:09:28 : Started scan on J2215+5135 for ~ 90.4291 min. 22:41:34 : Started scan on 2052+365 for ~ 2.31525 min. 22:44:03 : Started scan on 2052+365 for ~ 2.01326 min. -------------------------------------------------------------------------- 00:30:00 : Stopped command file due to sndsacsrc command fail(suba 2). -------------------------------------------------------------------------- 00:45:00 : Restarted command file -------------------------------------------------------------------------- Node49 and node50 : raw2 data is junk. -------------------------------------------------------------------------- 05:38 : Stopped command file due to phase cal set ------------------------------------------------------------------------- 05:45 : Phasing on 3C48 ------------------------------------------------------------------------- 05:49 : Restarted command file 06:04 : Stopped command file observation closed.