GTAC Observation Log 1. Date : 13/09/2015 2. Observation Sr. No. : 8060 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) : Deepak, Pramod, Rupsing 8. Command File : /odisk/gtac/cmd/28_086/obs.cmd 9. LTA File : /gsbifrdata/13sep/28_086_13sep2015.lta.1, /gsbifrdata/13sep/28_086_13sep2015.lta 10. LogFlag File : /odisk/online1/logflags/28_086.FLAGS.2, /odisk/online1/logflags/28_086.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1382 MHz ,RF2 : 1382 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 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) : 1382 1382 1320 1320 62 62 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : S02 : Taken for BLDC. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 13 Sep 2015 12:00:00 - 13 Sep 2015 22:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 11:30 : Started set up. 12:00 : Started scan on 3C286. 12:46 : Stopped scan. 12:45 : Note : Restarted GSB because of South arm electrical power failure. 12:49 : Started scan on 3C286 for 10 min. 13:00 : Stopped scan and started command file. /odisk/gtac/cmd/28_086/obs.cmd 16:44 : Stopped command file. 16:48 : Started scan on 3C286. 17:00 : Stopped scan. 17:04 : Restarted command file. -------------------------------------------------------------------------- 18:40 : Data shows scintillation -------------------------------------------------------------------------- 22:02 : Stopped command file. 22:08 : Started scan on 3C48.(scintillation) 22:21 : Stopped scan and observation session.