GTAC Observation Log 1. Date : 15/02/2018 2. Observation Sr. No. : 10095 3. Observer : Paulo Cesar Freire, Yashwant Gupta, Alessandro Ridolfi 4. Observer's Email : pfreire@mpifr-bonn.mpg.de, ygupta@ncra.tifr.res.in, ridolfi@mpifr-bonn.mpg.de 5. Project Name : Studying binary pulsars in globular clusters 6. Project Code : 33_081 7. Operator(s) : Nilesh 8. Command File : /odisk/gtac/cmd/33-081/15feb2018.cmd 9. LTA File : /gwbifrdata1/15feb/33_081_15feb2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/33_081.FLAGS.13 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 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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : W03 : High self power at GWB. C04 : High self power at GWB. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Feb 2018 18:00:00 - 15 Feb 2018 19:35:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 18:00 : 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_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 33_081 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : PA GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 64 inputs. GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S03 W01 W02 Total=19 # BEAM-1:175 :: C00 C01 C02 C03 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S03 W01 W02 Total=19 # BEAM-2:130 :: C00 C01 C02 C03 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S03 W01 W02 Total=19 # BEAM-2:175 :: C00 C01 C02 C03 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S03 W01 W02 Total=19 18:00 : Started power eq @ 150 counts on 3C147. 18:10 : Started phasing on 3C147. 18:14 : Phasing done on 3C147. 18:14:00 : Started scan on 3C147 for ~ 1.74483 min. 18:22 : Started command file. /odisk/gtac/cmd/33-081/15feb2018.cmd 18:24:34 : Started scan on 0440-435 for ~ 2.14748 min. 18:26:55 : Started scan on 0440-435 for ~ 0.939523 min. 18:29:02 : Started scan on J0520-2553 for ~ 3.22122 min. 18:33:29 : Started scan on J0514-4002A for ~ 40.2653 min. 19:15:13 : Started scan on J0520-2553 for ~ 3.22122 min. 18:14:00 : Started scan on 3C147 for ~ 1.74483 min. 18:24:34 : Started scan on 0440-435 for ~ 2.14748 min. 18:26:55 : Started scan on 0440-435 for ~ 0.939523 min. 18:29:02 : Started scan on J0520-2553 for ~ 3.22122 min. 18:33:29 : Started scan on J0514-4002A for ~ 40.2653 min. 19:15:13 : Started scan on J0520-2553 for ~ 3.22122 min. 19:19:50 : Started scan on 0440-435 for ~ 4.83183 min. [gpuuser@gwbh6 ~]$ ltahdr3.2 /gwbifrdata1/15feb/33_081_15feb2018_gwb.lta VERSION: GWB-III LTA2.00 DAS2.00 HST04 OBS_MODE: INDIAN_POLAR CORR_HOST: GPU BASELINES: 930 CHANNELS: 2048 SCN OBJECT RA(MEAN) DEC(MEAN) DATE IST RF(MHz) CW(kHz) Nrecs 0 3C147 05h44m00.50 +49d51'33.63" 15/Feb/2018 18:14:00 500.00 97.656 13 1 0440-435 04h40m51.27 -43d31'05.22" 15/Feb/2018 18:24:34 500.00 97.656 16 2 0440-435 04h40m51.27 -43d31'05.22" 15/Feb/2018 18:26:55 500.00 97.656 7 3 J0520-2553 05h21m20.25 -25d52'10.64" 15/Feb/2018 18:29:02 500.00 97.656 24 4 J0514-4002A 05h14m42.39 -40d01'37.02" 15/Feb/2018 18:33:29 500.00 97.656 300 5 J0520-2553 05h21m20.25 -25d52'10.64" 15/Feb/2018 19:15:13 500.00 97.656 24 6 0440-435 04h40m51.27 -43d31'05.22" 15/Feb/2018 19:19:50 500.00 97.656 36 19:25 : stopped command file and observation closed.