GTAC Observation Log 1. Date : 02/07/2010 2. Observation Sr. No. : 4939 3. Observer : Ekta 4. Observer's Email : ekta@ncra.tifr.res.in 5. Project Name : Neutral hydrogen in blue compact galaxies 6. Project Code : 18_055 7. Operator(s) : Deepak, 8. Command File : /odisk/gtac/cmd/ekta/shoc591.cmd 9. LTA File : /rawdata/2jul/18_055_02jul2010.lta, /rawdata1/2jul/18_055_02jul2010.ltb 10. GSB File : /gsbifrdata/2jul/18_055_02jul2010_gsb.lta 11. LogFlag File : /odisk/online1/logflags/18_055.FLAGS.6 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 1406.67 MHz ,RF2 : 1406.67 MHz, SA1 : 0 dB, SA2 : 0 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 1340 MHz, ILO2 : 1340 MHz, IVLO1 : 66.67 MHz, IVLO2 : 66.67 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) : 1406.67 1406.67 1340 1340 66.67 66.67 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :27 20. Name of Non-Working Antennas (with reason for each) : C11 : Servo Maintenance. S02 : No fringe. S06 : Fringe fluctuations(GHB). 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 00:00 - 07:52 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : GSB settings Line freq=1407.67 MHz. Final Band width=4 ( 4.1666665 ) MHz. (512 channels) LO1=1340 MHz. (lower) Use LO5 = 138000, 167000 KHz. and Step # 1 ------------------------------------------------ 00:07 : Started scan on 3C286. 00:30 : Started command file /odisk/gtac/cmd/ekta/shoc591.cmd 07:27 : Stopped command file. 07:32 : Started scan on 3C48. 07:52 : Stopped scan and observing session over.