GTAC Observation Log 1. Date : 18/06/2017 2. Observation Sr. No. : 9499 3. Observer : Viral Parekh, Joydeep Bagchi, Mahadev Baburao Pandge, Prajwal Padmanabh 4. Observer's Email : viral.iucaa@gmail.com, joydeep@iucaa.in, mbpandge@gmail.com, prajwal3108@gmail.com 5. Project Name : Deep uGMRT observation of binary cluster A3016/A3017 6. Project Code : 32_091 7. Operator(s) : Deepak, Shilpa 8. Command File : /odisk/gtac/cmd/32_091/18jun17/obs_18jun.cmd 9. LTA File : /gwbifrdata2/18jun/32_091_18jun2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/32_091.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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) : 1454 1454 1505 1505 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) : E04 : Servo problem. W06 : Servo problem. GSB : No fringe for all antennas. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 18 Jun 2017 09:00:00 - 18 Jun 2017 12:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : ------------GWB Setting---------------------------------------------------- GPU_MODE : Realtime GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_RF4 : 1450 1450 GCODE4 : 32_091 --------------------------------------------------------------------------- 09:00 : Started settings. 09:16 : Started scan on 3C48 for ~ 15.3008 min. 09:37 : '/odisk/gtac/cmd/32_091/18jun17/obs_18jun.cmd' command file started. 09:49 : C14 taken for maintenance. 10:56 : E04 started working. 11:41 : Stopped command file. 11:46 : Started scan on 3C48. 12:00 : Stopped scan and observing session over.