GTAC Observation Log 1. Date : 19/09/2015 2. Observation Sr. No. : 8074 3. Observer : Emmanouil Papastergis, Elizabeth A.K. Adams, J.M. vanderHulst, Riccardo Giovanelli, Martha P Haynes, Jayaram Narayanan Chengalur, Gregory Hallenbeck 4. Observer's Email : papastergis@astro.rug.nl, betsey@astro.cornell.edu, vdhulst@astro.rug.nl, riccardo@astro.cornell.edu, haynes@astro.cornell.edu, chengalur@ncra.tifr.res.in, ghallenbeck@astro.cornell.edu 5. Project Name : %latex% An accurate measurement of the Baryonic Tully-Fisher Relation with very gas-dominated galaxies ($M_{gas}/M_\\ast \\gtrsim 3$) 6. Project Code : 28_025 7. Operator(s) : Deepak, Navnath, Nilesh, Surender 8. Command File : /odisk/gtac/cmd/28_025/19sep15/obs_s3_06hrs.cmd,, /odisk/gtac/cmd/28_025/19sep15/obs_s5_12hrs.cmd 9. LTA File : /gsbifrdata/19sep/28_025_19sep2015.lta.1, /gsbifrdata/19sep/28_025_19sep2015.lta 10. LogFlag File : /odisk/online1/logflags/28_025.FLAGS.9, /odisk/online1/logflags/28_025.FLAGS.10 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1408.6501 MHz ,RF2 : 1408.6501 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1345 MHz, ILO2 : 1345MHz , IVLO1 : 63.6501 MHz, IVLO2 : 63.6501 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 : 4 MHz; Step # 1 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 136.3499 28. LO5 -2 : 168.6501 29. Frequency Parameters (TPA) : 1408.6501 1408.6501 1345 1345 63.6501 63.6501 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) : S02 : BLDC W04 : MCM 5 Time out 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Sep 2015 06:00:00 - 19 Sep 2015 19:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 06:00 : Started scan on 3C147 for 15mins. 06:22 : Started command file. 09:44 : C04 taken painting. 11:30 : W04 released for observation. 11:46 : Stopped command file. 11:48 : Started scan on phase cal for ~ 5 min. 11:59 : Started scan on flux cal (3c286 for ~ 10 min). 12:09 : Stopped scan and setting change for 1411.1MHz. GSB CONFIG 5th LO Changed to 140.1499:164.8501 4th LO changed to 59.8501 MHz. tpa 1404.8501 1404.8501 1345 1345 59.8501 59.8501 12:14 : Started scan on 3C286. 12:24 : Stopped scan. 12:27 : Started command file. /odisk/gtac/cmd/28_025/19sep15/obs_s5_12hrs.cmd -------------------------------------------------------------------------- 17:30 : C04 released for observation -------------------------------------------------------------------------- 18:00 : Stopped command file due to source set. 18:01 : Started scan on phase. 18:08 : Stopped scan. 18:09 : Started scan on 3C286. 19:00 : Stopped scan and observation session over.