GTAC Observation Log 1. Date : 23/08/2010 2. Observation Sr. No. : 5029 3. Observer : Giulia Macario 4. Observer's Email : g.macario@ira.inaf.it,sgiacint@head.cfa.harvard.edu 5. Project Name : Merging clusters withour radio halos? The case of Abell 2631 6. Project Code : 18_078 7. Operator(s) : Nilesh, Rupsingh, Santaji, 8. Command File : /odisk/gtac/cmd/simona/18_078_obs.cmd 9. LTA File : /rawdata/23aug/18_078_23aug2010.lta, /rawdata1/23aug/18_078_23aug2010.ltb 10. GSB File : /gsbifrdata/23aug/18_078_23aug2010_gsb.lta 11. LogFlag File : /odisk/online1/logflags/18_078.FLAGS.1 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 325 MHz ,RF2 : 325 MHz, SA1 : 0 dB, SA2 : 0 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 255 MHz, ILO2 : 255 MHz, IVLO1 : 70 MHz, IVLO2 : 70 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON 15. BB BW(KHz) & BB ALC : 16000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 325 325 255 255 70 70 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :29 20. Name of Non-Working Antennas (with reason for each) : C05 : ABC time out E03 : 130 channel very low fringe. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 21:00 - 07:23 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : ************************************************** GSB Settings: 32 MHz IF and set LO5 for 32 MHz. 256 channels,TotalIntensity ************************************************** 21:04 : Started scan on 3c286. 21:17 : Stopped scan. 21:25 : Started command file. 22:11 : Changed phase cal in command file. 06:54 : Cmd file stopped. 06:58 : Started scan on 3C48. 07:23 : Observing session over. **************************************************