GTAC Observation Log 1. Date : 13/06/2010 2. Observation Sr. No. : 4911 3. Observer : Ujjwal Kumar 4. Observer's Email : ujjwal@ncra.tifr.res.in 5. Project Name : Pulsar Observation 6. Project Code : 18_068 7. Operator(s) : Manisha, Shilpa 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /rawdata/13jun/18_068_suba2_13jun2010.lta, /rawdata1/13jun/18_068_suba2_13jun2010.ltb, /rawdata/13jun/18_068_suba4_13jun2010.lta, /rawdata1/13jun/18_068_suba4_13jun2010.ltb 10. GSB File : /gsbifrdata/13jun/18_068_sub2.lta, /gsbifrdata/13jun/18_068_sub4.lta 11. LogFlag File : /odisk/online1/logflags/SUBA2.FLAGS.36, /odisk/online1/logflags/SUBA4.FLAGS.44 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 610 MHz ,RF2 : 610 MHz, SA1 : 0 dB, SA2 : 0 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 540 MHz, ILO2 : 540 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 : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 610 610 540 540 70 70 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :24 20. Name of Non-Working Antennas (with reason for each) : C01 : mcm 2 time out C05,C11,S03,E05 : fringe fluctuations in hardware corr. C08 : Phase jumps in hardware corr. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 11:00 - 14:00 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : Correlator configured in pulsar mode. ------------------------------------------------------------------------------- suba 2 # 325MHz C01 C02 C03 C05 C10 C12 C13 S01 E02 W01 ante 10 6 5 1 19 12 2 11 26 17 8 cp 0;defs 2;suba 2 sndsacant tpa 325 325 255 255 70 70 ------------------------------------------------------------------------------- suba 4 # 610MHz C00 C04 C06 C08 C09 C11 C14 S02 S03 S04 S06 E03 E04 E05 E06 W02 W03 W04 W05 W06 ante 20 7 3 20 24 4 9 10 27 28 29 30 18 21 22 23 13 14 15 16 25 cp 0;defs 4;suba 4 sndsacant tpa 610 610 540 540 70 70 ------------------------------------------------------------------------------- 11:15:00 : Started settings. 11:52:10 : Power equilised on 3C48 IF @ 600 counts and BB @ 1000 counts. 13:11:02 : Phasing done on 0837-198. 13:31:07 : Started scan on B0950+08. 13:45:44 : Started scan on J0437-4715. 13:56:31 : Started scan on J0621+1002. 14:27:38 : Started scan on J1022+1001.