GTAC Observation Log 1. Date : 07/01/2017 2. Observation Sr. No. : 9118 3. Observer : Bhaswati Bhattacharyya, Jayanta Roy, Ben Stappers, Michael Keith, Sally Cooper, Mateusz Malenta, Maura Ann McLaughlin, Paul Ray, Scott M. Ransom, Jayaram Narayanan Chengalur 4. Observer's Email : bhaswati.bhattacharyya@manchester.ac.uk, jayanta.roy@manchester.ac.uk, Ben.Stappers@manchester.ac.uk, mkeith@pulsarastronomy.net, sally.cooper@postgrad.manchester.ac.uk, mateusz.malenta@student.manchester.ac.uk, maura.mclaughlin@mail.wvu.edu, paul.ray@nrl.navy.mil, sransom@nrao.edu, chengalur@ncra.tifr.res.in 5. Project Name : Regular timing of the pulsars discovered in the GMRT High Resolution Southern Sky (GHRSS) survey 6. Project Code : 31_036 7. Operator(s) : Deepak, Nilesh, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/jroy/31_036_7jan.cmd, /odisk/gtac/cmd/jroy/31_036_7jan.1.cmd 9. LTA File : /gsbifrdata/07jan/31_036_07jan2016.lta, /gsbifrdata1/07jan/31_036_07jan2016.lta 10. LogFlag File : /odisk/online1/logflags/31_036.FLAGS.12, /odisk/online1/logflags/31_036.FLAGS.13 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+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 : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : IA 22. Beam - 2 : PA 23. ACQ BW : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : E05 : Mechanical Maintenance. W04 : ABC timed out. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 07 Jan 2017 13:00:00 - 07 Jan 2017 15:20:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : GAC selection : All antennas except C08,E05 and W04 C08 removed for safe side that it was reseting frequently. 13:21:29 : Started scan on 1830-360 for ~ 1.97971 min. 13:24:12 : Started scan on HR_1907-44 for ~ 18.2871 min. 13:43:18 : Started scan on HR_1914-44 for ~ 18.2536 min. 14:02:18 : Started scan on HR_1922-44 for ~ 18.3207 min. 14:20 : Stopped command file. 14:30 : Started next setup. PA-PA mode with GAC upto 3rd arm antennas except C08. Phasing gave problem till 14:45. Loaded zero phases and did phasing for C00 as reference. 14:32:59 : Started scan on 2225-049 for ~ 1.27507 min. 14:34:35 : Started scan on 2225-049 for ~ 2.44947 min. 14:37:09 : Started scan on 2225-049 for ~ 1.74483 min. 14:39:00 : Started scan on 2225-049 for ~ 1.77838 min. 14:40:56 : Started scan on 2225-049 for ~ 1.5435 min. 14:42:35 : Started scan on 2225-049 for ~ 1.5435 min. 14:44:26 : Started scan on 2225-049 for ~ 1.30862 min. 14:45:50 : Started scan on 2225-049 for ~ 0.134218 min. Phasing problem solved. Started command file. 14:49:18 : Started scan on J2144-5237 for ~ 30.7358 min. 15:20:00 : Stopped scan and observing session over.