GTAC Observation Log 1. Date : 18/12/2010 2. Observation Sr. No. : 5145 3. Observer : Jayanta Roy 4. Observer's Email : jroy@ncra.tifr.res.in, 5. Project Name : Pulsar Observation 6. Project Code : 10DT035 7. Operator(s) : Deepak, Manisha, Rupsingh, Sachin, Shilpa 8. Command File : /odisk/online1/hold.cmd 9. LTA File : /rawdata/18dec/10dt035_18dec2010.lta 10. GSB File : /gsbifrdata/18dec/10DT035_18dec2010_gsb.lta 11. LogFlag File : /odisk/online1/logflags/10DT035.FLAGS 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 : 20+4 dB, 32 MHz,OFF, IF-CH2 : 20+4 dB, 32 MHz,OFF 15. BB BW(KHz) & BB ALC : 16000 KHz, OFF CORRELATOR SETTINGS : GHB Settings : 16. GHB Channels : 0:127:1 17. Correlator Mode : IndianPolar 18. Frequency Parameters (TPA) : 325 325 255 255 70 70 GSB Settings : 19. Maximum Channels : 256 20. Final Bandwidth (MHz): OFF MHz; Step # 0 21. IFBW : LO5(MHz) : 32:149000-156000 MHz 22. Stokes : Total_Intensity 23. Beam - 1 : IA 24. Beam - 2 : PA 25. Integration Time : 128 LTA ~ 16.908 Sec. 26. No of Antennas Working(Fringing) :25 27. Name of Non-Working Antennas (with reason for each) : C00 : Painting. C03 : Painting. C01 : Fringe fluctuation. E06,S01 : 130-USB & LSB zero self and cross. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 10:00 - 17:00 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : Correlator configured in pulsar mode. 10:00 : Started settings. 10:33 : Power equilised on 3C286 IF level @ 1000counts. 11:05 : Phasing done on 3C286. 11:10 : Started cal run on 3C286. 11:15 : Stopped cal run. 11:24 : Scan started on 1822-096 for ~2 mins. 11:30 : Scan started on B1929+10 for ~4 mins. 11:37 : Scan started on 2047-026 for ~3 mins. 11:42 : Scan started on J2129-04 for ~91 mins. 13:20 : Scan started on 2225-049 for ~10 mins. 13:33 : Scan started on J2129-04 for ~90 mins. 15:06 : Scan started on 2225-049 for ~5 mins. 15:13 : Scan started on J2129-04 for ~37 mins. 15:53 : Scan started on 2225-049 for ~2 mins. 15:55 : Stopped scan. 15:56 : Setup changed only IF-16MHz 15:57 : Scan started on 2225-049 for ~6 mins. 16:05 : Scan started on J2129-04 for ~4 3mins. 16:50 : Stopped scan observation over.