GTAC Observation Log 1. Date : 30/07/2010 2. Observation Sr. No. : 4990 3. Observer : Ekta 4. Observer's Email : ekta@ncra.tifr.res.in 5. Project Name : HI in isolated XMD galaxies 6. Project Code : 18_089 7. Operator(s) : Amruta, Deepak, Navanath, Rupsingh, Shilpa 8. Command File : /odisk/gtac/cmd/ekta/sbs1415.cmd 9. LTA File : /rawdata/30jul/18_089_30jul2010.lta, /rawdata1/30jul/18_089_30jul2010.ltb 10. GSB File : /gsbifrdata/30jul/18_089_30jul2010_gsb.lta 11. LogFlag File : /odisk/online1/logflags/18_089.FLAGS.5 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 1416.47 MHz ,RF2 : 1416.47 MHz, SA1 : 0 dB, SA2 : 0 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 1350 MHz, ILO2 : 1350 MHz, IVLO1 : 66.47 MHz, IVLO2 : 66.47 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON 15. BB BW(KHz) & BB ALC : 2000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 1416.47 1416.47 1350 1350 66.47 66.47 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :26 20. Name of Non-Working Antennas (with reason for each) : S03,E02 : Servo problems. S04 : ABC timeout. C13 : Strong lines @ IF Band. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 13:00 - 18:00 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : --------------------------------------------------------- GSB Settings ACQ band width : 16MHz Channals : 256 LO5 : 138 MHz Final bandwith : 2 MHz. GSB Mode : Total Intensity. --------------------------------------------------------- 12:50 : Started settings for project 18_089. 13:05 : Started scan on 3c147 for 10min. 13:21 : Started command file. /odisk/gtac/cmd/ekta/sbs1415.cmd 16:03 : S03 released for observation. 17:43 : Stopped command file. 17:47 : Started scan on 3C286. 18:00 : Stopped scan & observation closed.