GTAC Observation Log 1. Date : 21/10/2017 2. Observation Sr. No. : 9793 3. Observer : Aditya JNHS 4. Observer's Email : adityaj@iucaa.in 5. Project Name : A search for associated HI-21 cm absorption in High Frequency Peakers 6. Project Code : 33_079 7. Operator(s) : Rupsing, Sachin 8. Command File : /odisk/gtac/cmd/aditya/21oct/1749\+096_cmd,, /odisk/gtac/cmd/aditya/21oct/1502\+36_cmd 9. LTA File : /gsbifrdata/21oct/33_079_21oct2017.lta.1, /gsbifrdata/21oct/33_079_21oct2017.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2512, /odisk/online1/logflags/33_079.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1083 MHz ,RF2 : 1083 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1145 MHz, ILO2 : 1145MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1_shivneri 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 : 16.666666 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 1083 1083 1145 1145 62 62 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) : C10 : FPS problem. C14 : Taken for maintenance. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 Oct 2017 13:00:00 - 21 Oct 2017 16:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : ------------GSB Setting--------- GSB_MODE : Realtime GSB_LTA : 8 GSB_ACQ_BW : 16.666666 GSB_FINAL_BW : 0 GSB_EDGE_FRQ : 0 GSB_CHAN_MAX : 512 GSB_CHAN_NUM : 0:511:1 GSB_STOKES : Total_Intensity GSB_CNTRL : ONLINE GSB_FSTOP : ON GSB_BEAM_1 : OFF GSB_BEAM_2 : OFF GSB_GAINEQ : ON GSB_BB_LO : 138:167 GSB_HOSTS : gsbm1_shivneri undefined : OFF undefined : 306 -------------------------------- 13:20:56 : Started scan on 3C286 for ~ 6.71088 min. 13:35:17 : Started scan on 1749+096 for ~ 15.3008 min. 13:57:28 : Started scan on 3C286 for ~ min. 14:05 : C10 started working. ------------------------------------------------------------------------- 14:05 : Changed setup for second source. ------------------------------------------------------------------------- 14:15:13 : Started scan on 3C286 for ~ 6.97932 min. 14:33:47 : Started scan on 1445+099 for ~ 6.97932 min. 14:41:54 : Started scan on 1502+036 for ~ 60.1295 min. 15:43:43 : Started scan on 1445+099 for ~ 6.71088 min. 15:53:14 : Started scan on 3C286 for ~ 6.97932 min. 16:00:00 : Stopped scan and observation session over.