GTAC Observation Log 1. Date : 07/02/2016 2. Observation Sr. No. : 8390 3. Observer : Jayanta Roy, Paul Ray, Bhaswati Bhattacharyya, Ben Stappers, Jayaram Narayanan Chengalur 4. Observer's Email : jayanta.roy@manchester.ac.uk, paul.ray@nrl.navy.mil, bhaswati.bhattacharyya@manchester.ac.uk, Ben.Stappers@manchester.ac.uk, chengalur@ncra.tifr.res.in 5. Project Name : Long-term radio timing follow-up of PSR J1227-4853, a redback pulsar in a LMXB-MSP transitioning system 6. Project Code : 28_045 7. Operator(s) : Navnath 8. Command File : /odisk/gtac/cmd/jroy/29_024_7aug.cmd 9. LTA File : /gsbifrdata/07feb/29_045_07feb2016_2s.lta 10. LogFlag File : /odisk/online1/logflags/28_045.FLAGS.28 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 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+24 dB, 32 MHz,OFF, IF-CH2 : 4+4 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Host : gsbm1_lenyadri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 33.333333 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : E04 : CST Painting Work 33. Note for Backup : 34. Start and End Time of Obs.(IST): 07 Feb 2016 00:00:00 - 07 Feb 2016 04:50:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 01:00: Started setup. : power eq and phasing done. 01:25 : Stated cmd file. /odisk/gtac/cmd/jroy/29_024_7aug.cmd 01:29:04 : Started scan on J1544+4937 for ~ 55.6667 min. 02:33:56 : Started scan on 1154-350 for ~ 1.30862 min. 02:37:54 : Started scan on 1154-350 for ~ 0.939523 min. 02:38:58 : Started scan on 1154-350 for ~ 1.97971 min. 02:42:09 : Started scan on J1227-4859 for ~ 60.2973 min. 03:43:25 : Started scan on J1207-5050 for ~ 60.2637 min. 04:45 : Observation session closed. --------------------------------------------------------