GTAC Observation Log 1. Date : 24/04/2010 2. Observation Sr. No. : 4828 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) : Amruta, Deepak, Manisha, Rupsingh, Shilpa 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /rawdata/24apr/18_045_24apr2010.lta, /rawdata1/24apr/18_045_24apr2010.ltb 10. GSB File : 11. LogFlag File : /odisk/online1/logflags/18_045.FLAGS.7 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) :28 20. Name of Non-Working Antennas (with reason for each) : C02 : eleven feed C01 : OFF C11,W01 - CSIRO feed. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 05:30 - 10:00 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : Correlator configured in pulsar mode. 05:31 : Power_eq on 1822-096. 05:40 : Phasing on 1822-096. 06:14:09 : Started scan on J1623-2631. 06:32:42 : Started scan on B1804-08. 06:39:57 : Started scan on J1713+0747. 06:49:58 : Started scan on J1730-2304. 06:57:00 : Started scan on J1744-1134. 07:08:55 : Started scan on B1822-09. 07:30 : Phasing done on 1822-096. 07:31:19 : Started scan on G21.5-0.9. 08:52 : E04-painting. 09:07 : Phasing odne on 1822-096. 09:09:00 : Started scan on B1859+01. 09:20:31 : Started scan on B1855+09. 09:35 : C03-painting. 09:42 : Phasing done on 2225-049. 09:47:34 : Started scan on J1939+2134. 09:54:08 : Started scan on J1911-1114. 10:00 : Stopped scan and observing session over.