GTAC Observation Log 1. Date : 26/09/2015 2. Observation Sr. No. : 8093 3. Observer : O.Ivy Wong, Chandreyee Sengupta, Gyula I.G. Józsa, Kevin Schawinski, Karen Masters 4. Observer's Email : ivy.wong@csiro.au, sengupta.chandreyee@gmail.com, gjozsa@ska.ac.za, kevin.schawinski@phys.ethz.ch, karen.masters@port.ac.uk 5. Project Name : Probing the cause of rapid star formation truncation in galaxies 6. Project Code : 28_086 7. Operator(s) : Navnath, Nilesh, Surender 8. Command File : /odisk/gtac/cmd/28_086/obs.cmd,/odisk/gtac/cmd/28_086/obs1.cmd 9. LTA File : /gsbifrdata/26sep/28_086_26sep2015.lta.2, /gsbifrdata/26sep/28_086_26sep2015.lta.1, /gsbifrdata/26sep/28_086_26sep2015.lta 10. LogFlag File : /odisk/online1/logflags/28_086.FLAGS.4, /odisk/online1/logflags/28_086.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1372 MHz ,RF2 : 1372 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1310 MHz, ILO2 : 1310MHz , IVLO1 : 62 MHz, IVLO2 : 62 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 : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 16.666666 MHz 24. Final BW : 16.666666 MHz; Step # 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 1372 1372 1310 1310 62 62 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) : C00 : : ABC time-out. C03 :,C04 : Taken for Painting. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 26 Sep 2015 09:00:00 - 26 Sep 2015 19:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 09:00 : Started set-up. 09:19 : Started scan on 3C286. 09:19 : Phases are not able for arm -antennas on flux cal. 09:25 : GSB halted due to above problem and restarted the setting. 09:45 : Re-stared GSB. 09:50 : Started scan on 3C286. 10:04 : Started command file. 11:12 : S02 taken for BLDC work. 11:42 : Stopped command file due to MSEB power failure. 12:05 : C10 Not releasing Brakes. 12:09 : Restarted command file. 12:09 : C00 released for observation. 14:11 : Stopped command file. 14:11 : C10 released for observation. 14:16 : Started scan on 3C286 for 12min. 14:30 : Restarted command file. 15:40 : E02 taken out of array for maintain ace work. 18:32 : started scan on 3c286 19:00 : observation session over. ----------------------------------------------------