GTAC Observation Log 1. Date : 09/05/2017 2. Observation Sr. No. : 9372 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, Sachin 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata/09may/32_083_09may2017.lta, /gwbifrdata1/09may/32_083_09may2017_gwb.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 : 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) : C01 : : Low fringe. C14 : : Not released for observation. W03 : : Mechanical work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 09 May 2017 15:35:00 - 09 May 2017 17:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 15:40 : Started Settings for observations. ------------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 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 S02 S03 W01 W02 Total=19 # BEAM-1:175 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 S02 S03 W01 W02 Total=19 # BEAM-2:130 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 S02 S03 W01 W02 Total=19 # BEAM-2:175 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 S02 S03 W01 W02 Total=19 # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 S02 S03 W01 W02 Total=19 # BEAM-1:175 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 S02 S03 W01 W02 Total=19 # BEAM-2:130 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 S02 S03 W01 W02 Total=19 # BEAM-2:175 :: C00 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 S02 S03 W01 W02 Total=19 15:55 : Started power eq @ 250 counts for GSB and 150 counts for GWB. 16:08:44 : Started scan on 0837-198 for ~ 4.5634 min. 16:13:37 : Started scan on 0837-198 for ~ 2.2817 min. 16:18:54 : Started scan on J0520-2553 for ~ 5.23449 min. 16:25:24 : Started scan on J0514-4002A for ~ 33.0175 min. 16:40 : Noticed that Online Stopped working @ 16:28, Not accepting any commands, completed source manually. 16:58:33 : Started scan on J0514-4002A for ~ 4.16075 min. 17:20 : Stopped observation, due to online failure.