GTAC Observation Log 1. Date : 24/09/2017 2. Observation Sr. No. : 9780 3. Observer : Peter Kamphuis, Koshy George, O.Ivy Wong, Chandreyee Sengupta, Gyula I.G. Józsa, Kevin Schawinski 4. Observer's Email : peterkamphuisastronomy@gmail.com, koshy@iiap.res.in, ivy.wong@uwa.edu.au, sengupta.chandreyee@gmail.com, gigjozsast@gmail.com, kevin.schawinski@phys.ethz.ch 5. Project Name : Probing the cause of rapid star formation changes in early type galaxies 6. Project Code : 32_042 7. Operator(s) : Rupsing, Surender 8. Command File : /odisk/gtac/cmd/32_042/23_24sep17/obs_j0754\+25.cmd 9. LTA File : /gsbifrdata1/24sep/32_042_24sep2017.lta 10. LogFlag File : /odisk/online1/logflags/32_042.FLAGS.4 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1355 MHz ,RF2 : 1355 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1295 MHz, ILO2 : 1295MHz , IVLO1 : 60 MHz, IVLO2 : 60 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_shivneri 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 : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 140 28. LO5 -2 : 165 29. Frequency Parameters (TPA) : 1355 1355 1295 1295 60 60 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) : C09 : Fringe fluctuation. S06 : Servo problem 33. Note for Backup : 34. Start and End Time of Obs.(IST): 24 Sep 2017 02:40:00 - 24 Sep 2017 13:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 02:48 : Started scan on 3C48. 03:01 : Stopped scan. 03:05 : Started command file. 09:00 : C14 Taken for Painting. 12:40 : Stopped command file. 12:45 : Started scan on 3C286. 13:00 : Stopped scan and observing session over.