GTAC Observation Log 1. Date : 31/05/2009 2. Observation Sr. No. : 4318 3. Observer : Ramya 4. Observer's Email : ramya@iiap.res.in,ngk@ncra.tifr.res.in 5. Project Name : Blue compact dwarf galaxies 6. Project Code : 16_112 7. Operator(s) : Deepak, Manisha, Nilesh, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/16_112/obs.cmd, /odisk/gtac/cmd/16_112/obs2.cmd 9. LTA File : /rawdata/31may/16_112_31may09.lta, /rawdata1/31may/16_112_31may09.ltb 10. LogFlag File : /odisk/online1/logflags/16_112.FLAGS ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 1415 MHz ,RF2 : 1415 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 1485 MHz, ILO2 : 1485 MHz, IVLO1 : 70 MHz, IVLO2 : 70 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 14. BB BW(KHz) & BB ALC : 4000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 1415 1415 1485 1485 70 70 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :28 20. Name of Non-Working Antennas (with reason for each) : S06 : 175 Polarisation amplitude counts are low. E02 : Not fringing in LSB. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 06:00 - 16:00 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 06:14 : Started scan on 3C48. 06:45 : Stopped scan. 06:54 : Started command file. 07:57 : W01 antenna parked for painting. 10:25 : Stopped command file. 10:31 : Started scan on 3C48. 10:42 : Stopped scan. 10:48 : E06 antenna parked for painting. 10:49 : Restarted command file. 14:52 : Stopped command file. 14:53 : '/odisk/gtac/cmd/16_112/obs2.cmd' command file started. 15:34 : Command file stopped. 15:38 : Started scan on 3C147. 16:00 : Observation stopped.