GTAC Observation Log 1. Date : 30/12/2017 2. Observation Sr. No. : 9994 3. Observer : Matthew Ashby, Sarita Vig, Swarna Kanti Ghosh 4. Observer's Email : mashby@cfa.harvard.edu, sarita@iist.ac.in, swarna@ncra.tifr.res.in 5. Project Name : A Pilot Study to Precisely Measure the Cold and Total Dust Content of Star-Forming Galaxies 6. Project Code : 33_020 7. Operator(s) : Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/33_020/30dec2017/obs.cmd 9. LTA File : /gsbifrdata1/30dec/33_020_30dec2017.lta 10. LogFlag File : /odisk/online1/logflags/33_020.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1151 MHz ,RF2 : 1151 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1100 MHz, ILO2 : 1100MHz , 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_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 : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 1151 1151 1100 1100 51 51 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) : E04 : Surface Refurbishment work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 30 Dec 2017 15:35:00 - 30 Dec 2017 19:14:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : 15:35 : Started settings. 15:51 : Started scan on 3C48 for 12min. 16:01 : E04 started working. 16:08 : '/odisk/gtac/cmd/33_020/30dec2017/obs.cmd' command file started. 18:55 : Stopped command file. 19:02 : Started scan on 3C48. 19:14 : Stopped scan and observing session over.