GTAC Observation Log 1. Date : 27/11/2009 2. Observation Sr. No. : 4615 3. Observer : Chandreyi Sengupta 4. Observer's Email : sengupta@ncra.tifr.res.in 5. Project Name : IC2487 6. Project Code : 17_064 7. Operator(s) : Rupsingh, Sachin, 8. Command File : /odisk/gtac/cmd/csg/amiga-ic2487.cmd 9. LTA File : /rawdata/27nov/17_064_27nov2009.lta, /rawdata1/27nov/17_064_27nov2009.ltb 10. LogFlag File : /odisk/online1/logflags/17_064.FLAGS.4 ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 1396.1547 MHz ,RF2 : 1396.1547 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 1330 MHz, ILO2 : 1330 MHz, IVLO1 : 66.1547 MHz, IVLO2 : 66.1547 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON 14. BB BW(KHz) & BB ALC : 8000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 1396.1547 1396.1547 1330 1330 66.1547 66.1547 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) : E05 - Servo maintenance. C13 - ABC time-out. C01,C11,C04-130,W05-130,E06 Low self. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 00:00 - 11:20 23. ONLINE Machine : Lenyadri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 00:26 : Started scan on 3C147 for 10 mins. 00:45 : Started command file. 04:55 : Phase cal was transiting, and scan on the phase cal was not stopping. Hence Scan no. 11 is bad. NOTE : Scan no. 11 is bad. 05:08 : After transit over started command file. 05:34 : Source started transiting. Stopped command file. 05:50 : Started scan on phase cal for 8 mins. 06:02 : Started scan on 3C147 for 10 mins. 06:16 : ReStarted command file. 07:54 : C13 Started working. 10:45 : C13 taken for painting. 11:00 : Stopped command file. 11:02 : Started scan on 3C286 11:20 : Stopped scan and observation closed.