GTAC Observation Log 1. Date : 05/01/2018 2. Observation Sr. No. : 10004 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) : Deepak, Navnath, Pramod 8. Command File : /odisk/gtac/cmd/33_020/05jan2018/obs.cmd 9. LTA File : /gsbifrdata1/05jan/33_020_05jan2018_325.lta.1, /gsbifrdata1/05jan/33_020_05jan2018_325.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2605, /odisk/online1/logflags/33_020.FLAGS.5, /odisk/online1/logflags/33_020.FLAGS.4 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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_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 : 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) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :25 32. Name of Non-Working Antennas (with reason for each) : C14 : : Structural Repair E04 : : Surface Refurbishment Work E06 : : Painting Work W03 : : SSC Bin Installation S01 : : No Fringe 33. Note for Backup : 34. Start and End Time of Obs.(IST): 05 Jan 2018 15:00:00 - 05 Jan 2018 19:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 15:00 : Started setup. 15:10 : Started Scan on 3C48 for 12 min. 15:22 : Stopped scan and started command file. /odisk/gtac/cmd/33_020/05jan2018/obs.cmd 16:00 : Correlator problem found to 130 poles of C00,C01,C02 and C03 antennas.Hence restarted GSB. From 16:00 to 17:05 : Problem to 130 poles of C00,C01,C02 and C03 antennas. 17:05 : Correlator problem solved for 130 poles of C00,C01,C02 and C03 antennas. 18:00 : E04,E06 and C14 started working. 18:42 : Stopped command file. 18:50 : Started scan on 3C48. 19:00 : Stopped scan and observation session is over.