GTAC Observation Log 1. Date : 27/05/2017 2. Observation Sr. No. : 9436 3. Observer : Somak Raychaudhury, Dharam Vir Lal, Konstantinos Kolokythas 4. Observer's Email : somak@iucaa.in, dharam@ncra.tifr.res.in, kkolok@iucaa.in 5. Project Name : Revisiting the brightest AGN feeback sources in galaxy clusters with uGMRT 6. Project Code : 32_041 7. Operator(s) : Surender 8. Command File : /odisk/gtac/cmd/32_041/27may/obs.cmd 9. LTA File : /gsbifrdata1/27may/32_041_27may2017.lta, /gwbifrdata2/27may/32_041_27may2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/32_041.FLAGS.2 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 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 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 : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 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) : C14 : Mechanical work. E06 : Fiber Cut. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 27 May 2017 18:00:00 - 27 May 2017 23:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 18:00 : Started set-up. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 2 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 1.0 GPU_EDGE_FRQ : 0.000000 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_RF : 500 500 GCODE4 : 32_041 GPU_SB5 : 1 1 GPU_TPA : From GWB GUI. GPU_BITS : 64 inputs. GPU_FILRFI : RFI Filterring OFF -------------------------------- 18:05 : Started scan on 3C286 for 20mins. 18:36 : Started command file. "/odisk/gtac/cmd/32_041/27may/obs.cmd" 22:42 : Stopped command file. 22:25 : Started scan on 3C286. 22:46 : E06 Released for Observation. 23:00 : Stopped scan and observing session over.