GTAC Observation Log 1. Date : 25/4/2014 2. Observation Sr. No. : 7066 3. Observer : Rahul Basu,Dipanjan Mitra 4. Observer's Email : rbasu@ncra.tifr.res.in,dmitra@ncra.tifr.res.in 5. Project Name : Studying Off-pulse emission from long period Pulsars using Interferometric Imaging. 6. Project Code : 26_057 7. Operator(s) : Navanath,Sachin, 8. Command File : 9. LTA File : /gsbifrdata/25apr//26_057_25apr2014_3286.lta, 10. LogFlag File : /odisk/online1/logflags/26_057.FLAGS.10,/odisk/online1/logflags/26_057.FLAGS.11, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 16 MHz,OFF, IF-CH2 : 24+4 dB, 16 MHz,OFF GSB SETTINGS : 14. GSB Mode : Realtime 15. GSB LTA : 4 16. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : OFF, 19. Stokes : TotIntensity 20. Beam - 1 : OFF 21. Beam - 2 : OFF 22. ACQ BW : 16.67 MHz 23. Final BW : 16.666666 MHz; Step # 0 24. Maximum Channels : 256 25. Channel Numbers : 0:255:1 26. LO5 -1 : 138.00 27. LO5 -2 : 167.00 28. Frequency Parameters (TPA) : 591 591 540 540 51 51. 29. Integration Time : 2.013264 Sec. 30. No of Antennas Working(Fringing) at the begining :27 31. Name of Non-Working Antennas (with reason for each) : S06 : BLDC work E05 : Frequently getting reset. S04 : feed removed. W03 : mcm 5 time out. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 21:00 - 07:00 34. ONLINE Machine : Shivneri 35. No of Antennas Working(Fringing) at the end :26 36. Comments (During Observations) : High Time Visibility data :- gsbuser@gsmb2: /mnt/gsbifrdata2/gsbuser/25apr2014/26_057_25apr2014_2s.lta /mnt/gsbifrdata2/gsbuser/25apr2014/26_057_26apr2014_B1039-19_125ms.lta -------------------------------------------------------------------------- 21:00 : Started settings. 21:10 : Power equalised on 3C286 @250 counts. 21:40 : Halted GSB and restarted with High Time Visibility mode. 21:35 : Started scan on 3C286. : restarted acq chain. 22:01 : Started Recording scan on 1119-030. 22:08 : Started scan on B01039-19. 22:01:22 : Started scan on 1119-030 for 5.13 mins. 22:08:24 : Started scan on B1039-19 for 45.23 mins. 22:55:37 : Started scan on 1119-030 for 4.37 mins. 23:02:04 : Started scan on B1039-19 for 45.2 mins. 23:49:16 : Started scan on 1119-030 for 4.4 mins. 23:55:31 : Started scan on B1039-19 for 45.4 mins. 00:42:37 : Started scan on 1119-030 for 4.03 mins. 00:49:36 : Started scan on B1039-19 for 23.7 mins. 01:25:21 : Started scan on 1924+334 for 4.03 mins. 01:30:26 : Started scan on B1919+21 for 45.2 mins. 02:19:35 : Started scan on 1924+334 for 4 mins. 02:31:53 : Started scan on 3C286 for 10.23 mins. 02:51:16 : Started scan on 1924+334 for 4 mins. 02:59:07 : Started scan on B1919+21 for 45.73 mins. 03:47:08 : Started scan on 1924+334 for 4.03 mins. 03:52:52 : Started scan on B1919+21 for 45.3 mins. 05:19:56 : Started scan on 1924+334 for 4.23 mins. 05:26:48 : Started scan on B1919+21 for 45 mins. 06:12:43 : Started scan on 1924+334 for 4.67 mins. 06:19:48 : Started scan on B1919+21 for 23.8 mins. 06:48:09 : Started scan on 1924+334 for 4.03 mins. 06:56:49 : Started scan on 3C48 for 8 mins.