GTAC Observation Log 1. Date : 18/07/2009 2. Observation Sr. No. : 4418 3. Observer : Vishal Gajjar 4. Observer's Email : gajjar@ncra.tifr.res.in 5. Project Name : Pulsar Observation 6. Project Code : 16_048 7. Operator(s) : Nilesh, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /rawdata/18jul/16_048_18jul09.lta, /rawdata1/18jul/16_048_18jul09.ltb 10. LogFlag File : /odisk/online1/logflags/16_048.FLAGS.1 ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 610 MHz ,RF2 : 610 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 540 MHz, ILO2 : 540 MHz, IVLO1 : 70 MHz, IVLO2 : 70 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 16+4 dB, 32 MHz,OFF, IF-CH2 : 16+4 dB, 32 MHz,OFF 14. 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) : S06 : Servo off. ** lta and ltb time stamps are not matching. C12 : No fringe. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 18:00 - 06:00 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : Correlator configured in pulsar mode. 18:00 : Started doing setting for pulsar observation. Power equalised on 3C286 (600 counts at IF and 1000 counts at baseband level). 18:41 : Started scan on 3C286 for phasing. 18:47 : Stopped scan. 18:51 : Started scan on 3C286. 18:56 : Stopped scan. 19:06 : Started scan on 3C286 for cal-run (on source and off source). 19:17 : Stopped scan. 19:28 : Started scan on 1822-096 for phasing. 19:39 : Stopped scan. 19:40 : Started scan on pulsar B1929+10. 20:02 : Stopped scan. 20:07 : Started scan on 1830-360 for phasing. 20:14 : Stopped scan . 20:15 : Started scan on pulsar J1639-4359. 22:24 : Stopped scan. 22:25 : Started scan on 1830-360 for phasing. 22:34 : Stopped scan. 22:36 : Started scan on pulsar J1715-4034. 00:48 : Stopped scan. 00:51 : Started scan for phasing on 1830-360. 01:01 : Phasing finished. 01:02 : Started scan on pulsar J1737-3102. 02:01 : Stopped scan. 02:02 : Started scan for phasing on 1830-360. 02:07 : phasing finished scan stopped. 02:10 : started scan on pulsar J1907+0731. 03:30 : Stopped scan. 03:33 : Started phasing on 2225-049. 03:43 : phasing finished stopped scan. 03:48 : Started scan on pulsar J2113+4644. 06:02 : Stopped scan and closed observation.