GTAC Observation Log 1. Date : 13/08/2010 2. Observation Sr. No. : 5011 3. Observer : Narendra Patra, Jayaram Chengalur 4. Observer's Email : narendra@ncra.tifr.res.in,chengalu@ncra.tifr.res.in 5. Project Name : Gas and star formation in the faintest known gas rich galaxies 6. Project Code : 18_035 7. Operator(s) : Amruta, Deepak, Rupsingh, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/narendra/130810/l1424345.cmd 9. LTA File : /rawdata/13aug/18_035_13aug2010.lta, /rawdata1/13aug/18_035_13aug2010.ltb 10. GSB File : /gsbifrdata/13aug/18_035_13aug2010_gsb.lta 11. LogFlag File : /odisk/online1/logflags/18_035.FLAGS.5 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 1416.3 MHz ,RF2 : 1416.3 MHz, SA1 : 0 dB, SA2 : 0 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 1345 MHz, ILO2 : 1345 MHz, IVLO1 : 71.3 MHz, IVLO2 : 71.3 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 : 1000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 1416.3 1416.3 1345 1345 71.3 71.3 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :25 20. Name of Non-Working Antennas (with reason for each) : E03 : No Fringe. C10 : Maintenance. W04 : Servo problem. C13 : 175pol no fringe. C03 : Low fringe. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 12:00 - 18:35 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : GSB settings : Line freq=1416.8 MHz. Final Band width=2(2.08333325)MHz. LO1=1345 MHz.(lower) Use LO5 = 138000, 167000 KHz. and Step # 4 Channels 256MHz --------------------------------------------------------- 12:00 : Started settings. 12:10 : Started scan on 3C286. 12:26 : Stopped scan. 12:40 : '/odisk/gtac/cmd/narendra/130810/l1424345.cmd' started command file. 14:29 : C04 abc timeout. 14:45 : C13 taken for maintenance. 15:32 : C13 released for observation. 18:22 : Stopped command file. 18:24 : Started scan on 3C286 for 10min. 18:35 : Stopped scan and observation closed.