GTAC Observation Log 1. Date : 20/10/2017 2. Observation Sr. No. : 9788 3. Observer : Dr. Bhaswati Bhattacharya, Dr. Jayanta Roy. 4. Observer's Email : jroy@ncra.tifr.res.in 5. Project Name : Pulsar observation. 6. Project Code : 33_060 7. Operator(s) : Sachin 8. Command File : /odisk/gtac/cmd/jroy/33_060_20oct.cmd,, /odisk/gtac/cmd/jroy/33_060_20oct.1.cmd 9. LTA File : /gsbifrdata/20oct/33_060_20oct2017.lta.1, /gsbifrdata/20oct/33_060_20oct2017.lta 10. LogFlag File : /odisk/online1/logflags/33_060.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 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1 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 : PA 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 :24 32. Name of Non-Working Antennas (with reason for each) : C00 : Feed jammed in calibration mode. C12 : ABC timed out. E05 : Taken for upgradation. W05 : Taken for maintenance. E06 : GAB LO problem. S03 : GAB LO problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 20 Oct 2017 12:00:00 - 20 Oct 2017 13:05:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :24 37. Comments (During Observations) : 11:45:28 : Started scan on 1154-350 for ~ 0.570425 min. 11:47:31 : Started scan on HR_1255-46 for ~ 20.4011 min. 12:09:10 : Started scan on HR_1516-43 for ~ 21.7097 min. Changed setup to PA-PA for GSB and IA-PA for GWB GWB-GAC # BEAM-3:130 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 S01 W01 W02 W03 Total=18 # BEAM-3:175 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 S01 W01 W02 W03 Total=18 # BEAM-4:130 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 S01 W01 W02 W03 Total=18 # BEAM-4:175 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 S01 W01 W02 W03 Total=18 # GSB GAC configuration is as follows : # BEAM-1:130 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=20 # BEAM-1:175 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=20 # BEAM-2:130 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=20 # BEAM-2:175 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=20 # GSB GAC configuration is as follows : # BEAM-1:130 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=20 # BEAM-1:175 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=20 # BEAM-2:130 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=20 # BEAM-2:175 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=20 12:40:21 : Started scan on 1526-138 for ~ 0.637534 min. 12:45:54 : Started scan on J1536-4948 for ~ 15.6902 min. 13:00 : Stopped observation session.