GTAC Observation Log 1. Date : 22/05/2010 2. Observation Sr. No. : 4877 3. Observer : J Roy 4. Observer's Email : jroy@ncra.tifr.res.in 5. Project Name : Pulsar Observation 6. Project Code : 18_045 7. Operator(s) : Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /rawdata/22may/18_045_22may10.lta 10. GSB File : /odisk/gtac/cmd/hold.cmd 11. LogFlag File : /odisk/online1/logflags/18_045.FLAGS.10 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) :27 20. Name of Non-Working Antennas (with reason for each) : C01 : Off C14 : SSI work C08 : Fringe fluctuations in hardware correlator. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 03:20 - 08:15 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 03:49:50 : Started scan on 1822-096. 03:59:29 : Started scan on 1822-096. 04:19:29 : Started scan on B1804-08. 04:32:17 : Started scan on J1713+0747. 04:37:01 : Started scan on 1822-096. 04:44:07 : Started scan on J1713+0747. 04:57:36 : Started scan on J1744-1134. 05:10:46 : Started scan on B1822-09. 05:23:15 : Started scan on 1822-096. 05:30:17 : Started scan on G21.5-0.9. 07:12:35 : Wide band phasing on 1822-096. 07:18:46 : Started scan on B1855+09. 07:31:36 : Started scan on B1859+01. 07:45:32 : Wide band phasing on 2225-049. 07:57:15 : Started scan on J1939+2134. 08:04:44 : Started scan on J1911-1114. 08:15:49 : Stopped scan and observing session over.