GTAC Observation Log 1. Date : 27/1/2012 2. Observation Sr. No. : 5784 3. Observer : Anant Tanna 4. Observer's Email : a.tanna@unsw.edu.au 5. Project Name : Atomic and Molecular Absorption in Dim Radio Galaxies and Quasars 6. Project Code : 21_002 7. Operator(s) : Navanath, Rupsingh, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/tanna_2/obs2hi.cmd, /odisk/gtac/cmd/tanna_2/obs3hi.cmd, /odisk/gtac/cmd/tanna_2/obs4hi.cmd 9. LTA File : /gsbifrdata/27jan/21_002_27jan2012.lta, /gsbifrdata/27jan/21_002_27jan2012.lta.1, /gsbifrdata/27jan/21_002_27jan2012.lta.2, /gsbifrdata/27jan/21_002_27jan2012.lta.3, /gsbifrdata/27jan/21_002_27jan2012.lta.4, /gsbifrdata/27jan/21_002_27jan2012.lta.5 10. LogFlag File : /odisk/online1/logflags/21_002.FLAGS.2 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1232 MHz ,RF2 : 1232 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1170 MHz, ILO2 : 1170 MHz , IVLO1 : 62 MHz, IVLO2 : 62 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 Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : ON 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. ACQ BW : 16 MHz 21. Maximum Channels : 512 22. IFBW (MHz) : LO5 (KHz) : 16:138000-167000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 1232 1232 1170 1170 62 62. 25. Integration Time : 16.106 Sec. 26. No of Antennas Working(Fringing) :24 27. Name of Non-Working Antennas (with reason for each) : S01 : MCM 5 timeout. C10 : No fringe. S03,S04 and W06 : Painting work C14 : Servo Problem. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 13:00 - 23:30 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 2S Data File : /gsbifrdata1/27jan/21_002_27jan2012_2s.lta, /gsbifrdata1/27jan/21_002_27jan2012_2s.lta.1, /gsbifrdata1/27jan/21_002_27jan2012_2s.lta.2, /gsbifrdata1/27jan/21_002_27jan2012_2s.lta.3, /gsbifrdata1/27jan/21_002_27jan2012_2s.lta.4, /gsbifrdata1/27jan/21_002_27jan2012_2s.lta.5 ------------------------------------------------------------------ 13:00 : Started setup. 13:08 : Started scan on 3C48 for 10min. 13:20 : Track change. 13:31 : Started command file. /odisk/gtac/cmd/tanna_2/obs2hi.cmd 15:17 : Stopped command file. ------------------------------------------------------------------ Changed the settings. tpa 1047 1047 985 985 62 62 C10 started working. 15:25 : Started scan on 3C48. 15:35 : Stopped scan. 15:37 : '/odisk/gtac/cmd/tanna_2/obs2hi.cmd' command file started. 15:46 : C14 started working. 17:00 : Stopped command file. ------------------------------------------------------------------ Change the settings. tpa 1312 1312 1250 1250 62 62 17:06 : Started scan on 3C48. C12 : No fringe. 17:16 : Stopped scan. 17:22 : '/odisk/gtac/cmd/tanna_2/obs3hi.cmd' command file started. 18:01 : S04 and W06 released for observation. 18:37 : S03 released for observation. 19:11 : Stopped command file. ------------------------------------------------------------------ Changed the settings. tpa 1117 1117 1055 1055 62 62 C12 started working. 19:19 : Started scan on 3C48. 19:24 : Stopped scan. 19:27 : '/odisk/gtac/cmd/tanna_2/obs3hi.cmd' command file started. 20:50 : Stopped command file. ------------------------------------------------------------------ Changed the settings. tpa 1177 1177 1115 1115 62 62 20:57 : Started scan on 3C48. 21:02 : Stopped scan. C12 : No fringe. 21:06 : '/odisk/gtac/cmd/tanna_2/obs4hi.cmd' command file started. 22:16 : Stopped command file. ------------------------------------------------------------------ Changed the settings. tpa 1018 1018 1080 1080 62 62 22:28 : Started scan on 3C48. C12 Started working. C03 : No fringe. 22:33 : Stopped scan. 22:36 : '/odisk/gtac/cmd/tanna_2/obs4hi.cmd' command file started. 23:30 : Stopped command file & observation session over.