GTAC Observation Log 1. Date : 05/09/2015 2. Observation Sr. No. : 8041 3. Observer : Katinka Gereb, Barbara Catinella, Luca Cortese 4. Observer's Email : kgereb@swin.edu.au, bcatinella@swin.edu.au, lcortese@swin.edu.au 5. Project Name : HI mapping of unusually gas-rich galaxies: looking for signs of accretion 6. Project Code : 28_026 7. Operator(s) : Nilesh, Pramod 8. Command File : /odisk/gtac/cmd/28_026/05sep2015/obs_05sep15.cmd 9. LTA File : /gsbifrdata1/05sep/28_026_05sep2015.lta 10. LogFlag File : /odisk/online1/logflags/28_026.FLAGS.6 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1346.7267 MHz ,RF2 : 1346.7267 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1285 MHz, ILO2 : 1285MHz , IVLO1 : 61.7267 MHz, IVLO2 : 61.7267 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 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 : 138.2733 28. LO5 -2 : 166.7267 29. Frequency Parameters (TPA) : 1346.7267 1346.7267 1285 1285 61.7267 61.7267 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) : S02 : Taken for BLDC. C06 : No Fringe @ 130 pol. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 05 Sep 2015 06:00:00 - 05 Sep 2015 11:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 05:30 : Started set up. 05:42 : Started scan on 3C147. 06:17 : Stopped scan and started command file. '/odisk/gtac/cmd/28_026/05sep2015/obs_05sep15.cmd'. 10:05 : C08 taken for maintenance. 10:12:34 : Electrical power glitch in all antennas, Stopped scan and command file. 10:30 : servo problem. 10:32 : Started scan on phase cal for ~ 5 min. 10:52 : Started scan on 3c147 for ~ 10 min. 11:00 : Stopped scan and observation closed.