GTAC Observation Log 1. Date : 23/03/2017 2. Observation Sr. No. : 9279 3. Observer : David Alan Green, Yashwant Gupta, Subhashis Roy 4. Observer's Email : dag@mrao.cam.ac.uk, ygupta@ncra.tifr.res.in, roy@ncra.tifr.res.in,aryan@ncra.tifr.res.in 5. Project Name : A pulsar search for CXOU J163802.6-471358 6. Project Code : 31_027 7. Operator(s) : Surender 8. Command File : /odisk/gtac/cmd/roy/31_027_1.cmd 9. LTA File : /gsbifrdata1/23mar/31_027_23mar2017.lta 10. LogFlag File : /odisk/online1/logflags/31_027.FLAGS 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+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 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Total_Intensity 21. Beam - 1 : IA 22. Beam - 2 : PA 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 :27 32. Name of Non-Working Antennas (with reason for each) : W01 : Servo problem. C01 : No fringe. C03 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Mar 2017 02:20:00 - 23 Mar 2017 07:15:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 1.0 GPU_EDGE_FRQ : 0.000000 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_RF : 1460 1460 GPU_LO-1 : 540 540 GPU_DDC : OFF GPU_DDCLO : 0.0000 0.0000 GPU_SIDEBAND : 1 1 GPU_RF1 : 0 0 GPU_DDCLO1 : 0.0000 0.0000 GPU_SB1 : 1 1 GCODE1 : SUBA1 GPU_RF2 : 500 500 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : SUBA2 GPU_RF3 : 1 0 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : SUBA3 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 31_027 GPU_RF5 : 0 0 GPU_DDCLO5 : 0.0000 0.0000 GPU_SB5 : 1 1 GCODE5 : SUBA5 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : IA GPU_BEAM_2 : PA GPU_BM_INT : 16 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 32 inputs. GPU_FILRFI : RFI Filterring OFF --------------------------------------------------- GAC Selection : Beam1 -IA- All Antenna except C01 ,C03 and W01 Beam2 -PA- All Antenna except C01 ,C03 and W01 --------------------------------------------------- 02:20 : Started set-up. ----------------------------------------------------------- 02:22:57 : Started scan on 3C286 for ~ 1.61061 min. 03:03:51 : Started scan on 3C286 for ~ 6.97932 min. 03:18:00 : Started scan on B1642-03 for ~ 3.48966 min. ------------------------------------------------------------ 03:25:20 : Started command file. "/odisk/gtac/cmd/roy/31_027_1.cmd" 03:25:00 : Started Beam recording. 03:41:00 : Stopped command file due to wrong target source (*G337.5-0.1). (scan no5: *G337.5-0.1 16h39m18.90 -47d15'57.92") (scan no6: G337.5-0.1 16h39m19.00 -47d15'58.32") ------------------------------------------------------------------------- 03:41:00 : Modified source list.(Removed *G337.5-0.1 from source list) 03:46:28 : Restarted command file. 07:08:00 : Stopped command file and observing session over.