GTAC Observation Log 1. Date : 23/01/2016 2. Observation Sr. No. : 8351 3. Observer : Nimisha Kantharia, Subhashis Roy, santaji N Katore 4. Observer's Email : ngk@ncra.tifr.res.in, roy@ncra.tifr.res.in, snkatore@gmail.com 5. Project Name : Dual band multi-pointing observations of nearby galaxies: M31, M33, NGC300, M101 6. Project Code : 29_055 7. Operator(s) : Deepak, Navnath, Nilesh, Rupsing, Surender 8. Command File : /odisk/gtac/cmd/ngk/29_055/m101_23jan16.cmd,, /odisk/gtac/cmd/ngk/29_055/m31_23jan16.cmd 9. LTA File : /gsbifrdata1/23jan/29_055_23jan2015.lta.1, /gsbifrdata1/23jan/29_055_23jan2015.lta 10. LogFlag File : /odisk/online1/logflags/29_055.FLAGS.4, /odisk/online1/logflags/29_055.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 629 MHz ,RF2 : 253 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 680 MHz, ILO2 : 304MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1_lenyadri 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 : 33.333333 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 629 253 680 304 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) : C03 : BLDC. C12 : Feed cage painting. C10,E02,S03 : No feed @235MHz. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 22 Jan 2016 23:35:00 - 23 Jan 2016 23:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 23:40 : Started set-up. 23:57 : Started scan on 3C147 on 3C147. 00:42 : Started command file. "/odisk/gtac/cmd/ngk/29_055/m101_23jan16.cmd" 07:07 : S06 ABC Timeout. 10:02 : C04 taken for AZ L.H gear box maint 11:50 : S06 starting working. 11:57 : Stopped command file. 12:00 : Started command file. "/odisk/gtac/cmd/ngk/29_055/m31_23jan16.cmd" 15:38 : C04 Relesed for observation. 18:11 : C01 ABC Reset. 18:46 : C01 Released for observation. 22:45 : Started scan on 3C48 for 15min. 23:00 : Observing session over. ------------------------------------------------------------------