GTAC Observation Log 1. Date : 05/12/2017 2. Observation Sr. No. : 9928 3. Observer : Elizabeth A.K. Adams, Luke Leisman, Aaron Romanowsky, Steven Janowiecki, John Michael Cannon, Emmanouil Papastergis, Gyula I.G. Józsa 4. Observer's Email : adams@astron.nl, leisman@astro.cornell.edu, aaron.romanowsky@sjsu.edu, steven.janowiecki@icrar.org, jcannon@macalester.edu, papastergis@astro.rug.nl, gigjozsast@gmail.com 5. Project Name : The fundamental properties of field ultra-diffuse galaxies 6. Project Code : 33_023 7. Operator(s) : Pramod, Rupsing 8. Command File : /odisk/gtac/cmd/33_023/05dec17/obs_block9.cmd 9. LTA File : /gsbifrdata1/05dec/33_023_05dec2017.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1396.3401 MHz ,RF2 : 1396.3401 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1335 MHz, ILO2 : 1335MHz , IVLO1 : 61.3401 MHz, IVLO2 : 61.3401 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 : 4 MHz; Step # 1 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138.6599 28. LO5 -2 : 166.3401 29. Frequency Parameters (TPA) : 1396.3401 1396.3401 1335 1335 61.3401 61.3401 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C00 : Servo problem. C13 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 05 Dec 2017 04:00:00 - 05 Dec 2017 09:40:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :25 37. Comments (During Observations) : 04:09 : Started scan on 3C147. 04:22 : Stopped scan. 04:26 : Started command file. ------------------------------------------------------------------------- 04:30 : Elevation of phase wasclose to zenith. ------------------------------------------------------------------------- 05:32 : W-arm power failure. ------------------------------------------------------------------------- 05:40 : W04 Stow lock(servo problem.) ------------------------------------------------------------------------- 09:16 : E06 and W05 taken for mechanical work. 09:21 : Stopped command file. 09:24 : Staretd scan on 3C286. 09:37 : Stopped scan and observation session is over.