GTAC Observation Log 1. Date : 01/02/2015 2. Observation Sr. No. : 7584 3. Observer : Federico Lelli, Stacy McGaugh, Chris Mihos, Marcel Pawlowski 4. Observer's Email : federico.lelli@case.edu, ssm69@case.edu, mihos@case.edu, marcel.pawlowski@case.edu 5. Project Name : Tidal Dwarf Galaxies near NGC 5557: are they free of dark matter? 6. Project Code : 27_005 7. Operator(s) : Nilesh, Pramod, Surender 8. Command File : /odisk/gtac/cmd/27_005/feb_obs.cmd 9. LTA File : /gsbifrdata/01feb/27_005_01feb2015.lta 10. LogFlag File : /odisk/online1/logflags/27_005.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1399.0812 MHz ,RF2 : 1399.0812 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1335 MHz, ILO2 : 1335MHz , IVLO1 : 64.0812 MHz, IVLO2 : 64.0812 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 6 MHz,ON, IF-CH2 : 4+14 dB, 6 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 : 4 MHz; Step # 1 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 135.9188 28. LO5 -2 : 169.0812 29. Frequency Parameters (TPA) : 1399.0812 1399.0812 1335 1335 64.0812 64.0812 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : S01 : : Servo Problem. W02 : : Under Maintenance. C01 : : Low fringe. C10 : low fringe@130 pol. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 01 Feb 2015 01:00:00 - 01 Feb 2015 10:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 01:00 : Started settings. 01:08 : Started command file. 09:38 : Stopped command file. 09:40 : Started scan on 3c286. 10:00 : Stopped scan and observing session is over.