GTAC Observation Log 1. Date : 13/01/2018 2. Observation Sr. No. : 10020 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) : Navnath, Sachin 8. Command File : /odisk/gtac/cmd/33_081/13jan18/33_081_cmdfile_S2-4_13jan18.txt 9. LTA File : /gwbifrdata1/13jan/33_081_13jan2017.lta 10. LogFlag File : 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 :30 32. Name of Non-Working Antennas (with reason for each) : 33. Note for Backup :[gpuuser@gwbh7 ~]$ ls -1tr /data5/gpuuser/33_081_13jan2018/* /data5/gpuuser/33_081_13jan2018/J0520-2553_bm1_cdp_500_200_512_2_13jan18.raw1.timestamp /data5/gpuuser/33_081_13jan2018/J0520-2553_bm1_cdp_500_200_512_2_13jan18.raw1.dat /data5/gpuuser/33_081 34. Start and End Time of Obs.(IST): 13 Jan 2018 19:00:00 - 13 Jan 2018 21:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : 19:00 : Started Feed rotation and setup. ------------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 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=22 # BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=22 # BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=22 # BEAM-2:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=22 ------------------ 19:20 : Started power eq and phasing on 3C48. 19:30 : Started cmd file. /odisk/gtac/cmd/33_081/13jan18/33_081_cmdfile_S2-4_13jan18.txt ----------------------------------------------------------------------- 19:33:53 : Started scan on 0440-435 for ~ 1.61061 min. 19:35:41 : Started scan on 0440-435 for ~ 0.939523 min. 19:37:53 : Started scan on J0520-2553 for ~ 3.48966 min. 19:42:21 : Started scan on J0514-4002A for ~ 40.2653 min. 20:23:46 : Started scan on J0520-2553 for ~ 3.48966 min. 20:28:27 : Started scan on 0440-435 for ~ 5.10027 min. 20:33:00 : Observation session closed. ----------------------------------------------------------------------- gpuuser@gwbh6 ~]$ ltahdr3.2 /gwbifrdata1/13jan/33_081_13jan2017.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 0440-435 04h40m51.10 -43d31'05.83" 13/Jan/2018 19:33:53 500.00 97.656 12 1 0440-435 04h40m51.10 -43d31'05.83" 13/Jan/2018 19:35:41 500.00 97.656 7 2 J0520-2553 05h21m20.03 -25d52'10.94" 13/Jan/2018 19:37:53 500.00 97.656 26 3 J0514-4002A 05h14m42.21 -40d01'37.37" 13/Jan/2018 19:42:21 500.00 97.656 300 4 J0520-2553 05h21m20.03 -25d52'10.94" 13/Jan/2018 20:23:46 500.00 97.656 26 5 0440-435 04h40m51.10 -43d31'05.83" 13/Jan/2018 20:28:27 500.00 97.656 38