GTAC Observation Log 1. Date : 24/04/2010 2. Observation Sr. No. : 4827 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) : Deepak, 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /rawdata/24apr/18_068_suba4_610.lta, /rawdata1/24apr/18_068_suba4_610.ltb, /rawdata/24apr/18_068_suba2_325.lta, /rawdata1/24apr/18_068_suba2_325.ltb 10. GSB File : 11. LogFlag File : /odisk/online1/logflags/SUBA4.FLAGS.32, /odisk/online1/logflags/SUBA2.FLAGS.23 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 : 4+12 dB, 32 MHz,OFF, IF-CH2 : 4+12 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 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 01:00 - 05:00 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : # sub 2 # C02 C03 C05 C06 C11 C13 W01 E02 S01 tpa 325 325 255 255 70 70 ante 9 5 1 19 20 9 11 8 17 26 cp 0;defs 2;subar 2 # sub 4 # C00 C01 C04 C08 C09 C10 C12 C14 W02 W03 W04 W05 W06 E03 E04 E05 E06 S02 S03 S04 S06 tpa 610 610 540 540 70 70 ante 21 7 6 3 24 4 12 2 10 13 14 15 16 25 18 21 22 23 27 28 29 30 cp 0;defs 4;subar 4 -------------------------------------------------- 01:41:20 : phasing on 3C286. 01:56:38 : phasing on 3C286. 02:16:42 : phasing on 1830-360. 02:33:40 : Started scan on B1642-03. 02:44:16 : Started scan on B1937+21. 02:58:18 : Started scan on J1713+0747. 03:21:10 : Started scan on J1643-1224. 03:44:45 : Started scan on J1744-1134. 04:07:24 : Started scan on J1730-2304. 04:33:47 : Started scan on J1909-3744. 04:57:46 : Started scan on J2145-0750. 05:10 : Observation stopped.