GTAC Observation Log 1. Date : 06/12/2017 2. Observation Sr. No. : 9930 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) : Deepak, Navnath, Shilpa 8. Command File : /odisk/gtac/cmd/33_023/05dec17/obs_blk10.cmd,, /odisk/gtac/cmd/33_023/06dec17/obs_33_023_block11.txt 9. LTA File : /gsbifrdata1/05dec/33_023_05dec2017_blk10.lta, /gsbifrdata1/05dec/33_023_05dec2017.lta, /gsbifrdata1/06dec/33_023_06dec2017_blk11.lta 10. LogFlag File : /odisk/online1/logflags/33_023.FLAGS.11 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1383.9501 MHz ,RF2 : 1383.9501 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , IVLO1 : 63.9501 MHz, IVLO2 : 63.9501 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_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 : 16.666666 MHz 24. Final BW : 4 MHz; Step # 1 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 136.0499 28. LO5 -2 : 168.9501 29. Frequency Parameters (TPA) : 1383.9501 1383.9501 1320 1320 63.9501 63.9501 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) : C00 : : Elevation Axes Not tracking properly. C13 : : Gear Box Replacement Work W04 : : Stow not releasing. W05 : : Feed Jam. C03 : : Low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 05 Dec 2017 20:00:00 - 06 Dec 2017 07:01:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 20:00 : Started setup. 20:14 : Started scan on flux cal. scan 0 : Bad scan on 3C48. 20:17 : Started scan on 3C48 for 12 min. 20:20 : C03 Started fringing properly. Servo offsets updated. 20:30 : Started cmd file. /odisk/gtac/cmd/33_023/05dec17/obs_blk10.cmd 01:58 : Started scan on 3C147 for 10mins. 02:08 : Scan stopped. -------------------------------------------------------------- 02:10 : Settings changed. ------------GSB Setting--------- GSB_MODE : Realtime GSB_LTA : 8 GSB_ACQ_BW : 16.666666 GSB_FINAL_BW : 4 GSB_EDGE_FRQ : 1 GSB_CHAN_MAX : 512 GSB_CHAN_NUM : 0:511:1 GSB_STOKES : Total_Intensity GSB_CNTRL : ONLINE GSB_FSTOP : ON GSB_BEAM_1 : OFF GSB_BEAM_2 : OFF GSB_GAINEQ : ON GSB_BB_LO : 138.6599:166.3401 GSB_HOSTS : gsbm1_shivneri -------------------- 02:17 : Started scan on 3C147 for 12mins. 02:30 : Started command file. 06:44 : Stopped command file. 06:50 : Started scan on 3C286. 07:01 : Stopped scan and observing session over.