GTAC Observation Log 1. Date : 03/07/2012 2. Observation Sr. No. : 6019 3. Observer : Marco Grossi 4. Observer's Email : grossi@oal.ul.pt 5. Project Name : Environmental effects on HI and dust in Virgo cluster star-forming dwarf galaxies 6. Project Code : 22_043 7. Operator(s) : Navanath, Rupsingh, 8. Command File : /odisk/gtac/cmd/22_043/obs03jul.cmd 9. LTA File : /gsbifrdata/03jul/22_043_03jul2012.lta 10. LogFlag File : /odisk/online1/logflags/22_043.FLAGS.5 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1412 MHz ,RF2 : 1412 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1350 MHz, ILO2 : 1350 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) : 1412 1412 1350 1350 62 62. 25. Integration Time : 16.106 Sec. 26. No of Antennas Working(Fringing) :28 27. Name of Non-Working Antennas (with reason for each) : W03 : Painting. E03 : Painting. *W02 : 130 pol Low fringe. *S01 : low fringe. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 15:00 - 23:45 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : 15:22 : Started scan on 3C286. 15:33 : Stopped scan. 15:38 : Command file stated. 15:54 : W03 released for observation. 16:20 : E03 released for observation. 17:22 : Stopped command file due to power failure. 17:38 : Power failure. 17:52 : Power failure. 17:55 : Power resume. 18:15 : System restored. 18:18 : Restarted command file. 22:33 : C10 ABC time out. 23:10 : Started scan on phase cal. for 10min. 23:23 : Started scan on 3c286 23:45 : stopped the scan 3c286. 23:45 : observation session over.