GTAC Observation Log 1. Date : 23/08/2015 2. Observation Sr. No. : 8016 3. Observer : Gigahertz Peaked Spectra in Vela like Pulsars using Interferometric Imaging. 4. Observer's Email : rahul@astro.ia.uz.zgora.pl, jkijak@astro.ia.uz.zgora.pl, boe@astro.ia.uz.zgora.pl, krozko@gmail.com 5. Project Name : Rahul Basu, Jaroslaw Kijak, Wojciech Lewandowski, Karolina Rozko 6. Project Code : 28_050 7. Operator(s) : Rupsing 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/23aug/28_050_23aug2015_2.lta 10. LogFlag File : /odisk/online1/logflags/28_050.FLAGS.5 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1281 MHz ,RF2 : 1281 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1230 MHz, ILO2 : 1230MHz , 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 : 22+4 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Host : gsbm1 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 : PA 22. Beam - 2 : PA 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) : 1281 1281 1230 1230 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) : C02 : L-band feed replacement. E02 : BLDC. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Aug 2015 20:00:00 - 23 Aug 2015 22:30:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 20:20 : Power eq on 3C286. 20:30 : Phasing on 3C286. 20:35 : Started observation 20:41:59 : Started scan on 3C286 for ~ 10.771 min. 21:18:11 : Started scan on 1751-253 for ~ 6.57666 min. ------------------------------------------------------- 21:25:00 : Phasing on 1751-253. ------------------------------------------------------- 21:25:14 : Started scan on 1751-253 for ~ 2.21459 min. 21:27:46 : Started scan on 1751-253 for ~ 1.77838 min. 21:29:43 : Started scan on 1751-253 for ~ 1.5435 min. 21:31:25 : Started scan on 1751-253 for ~ 1.47639 min. 21:33:02 : Started scan on 1751-253 for ~ 1.30862 min. 21:34:29 : Started scan on 1751-253 for ~ 0.335544 min. 21:35:56 : Started scan on 1751-253 for ~ 8.32149 min. 21:45:40 : Started scan on B1749-28 for ~ 5.13382 min. 21:51:55 : Started scan on B1800-21 for ~ 38.7097 min. 22:30:00 : Stopped scan and observation session over.