GTAC Observation Log 1. Date : 06/05/2017 2. Observation Sr. No. : 9355 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 : Determining the masses of the components of two binary pulsars 6. Project Code : 32_083 7. Operator(s) : Nilesh 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/06may/32_083_06may2017.lta, /gwbifrdata1/06may/32_083_06may2017.lta 10. LogFlag File : /odisk/online1/logflags/32_026.FLAGS 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 : 14+10 dB, 32 MHz,OFF, IF-CH2 : 14+10 dB, 32 MHz,OFF 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 : OFF 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 : 512 26. Channel Numbers : 0:511:1 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 :27 32. Name of Non-Working Antennas (with reason for each) : C11 : Not released for observation (Servo work). C14 : Not released for observation (Mechanical work). C01 : Low Fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 06 May 2017 17:00:00 - 06 May 2017 18:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 17:00 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 32_083 GPU_BEAM_1 : IA GPU_BEAM_2 : PA GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 E02 E03 S01 S02 S03 W02 Total=18 # BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 E02 E03 S01 S02 S03 W02 Total=18 # BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 E02 E03 S01 S02 S03 W02 Total=18 # BEAM-2:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 E02 E03 S01 S02 S03 W02 Total=18 # BEAM-3:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 E02 E03 S01 S02 S03 W02 Total=18 # BEAM-3:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C12 C13 E02 E03 S01 S02 S03 W02 Total=18 17:10 : Started power eq @ 250 counts on 0837-198. 17:15 : Started phasing. 17:17:03 : Started scan on 0837-198 for ~ 7.11353 min. 17:25:12 : Started scan on 0837-198 for ~ 2.68435 min. 17:28:18 : Started scan on 0837-198 for ~ 3.087 min. 17:31:01 : Started scan on 0837-198 for ~ 3.89231 min. 17:25 : Phasing not working in both GWB and GSB, this could be due to scintillation. Tried phasing ~ 3 times, but did not helped. 17:37:02 : Started scan on J0520-2553 for ~ 13.4218 min. 17:53:33 : Started scan on 0837-198 for ~ 7.11353 min. 18:01 : Stopped scan and observation closed.