GTAC Observation Log 1. Date : 12/06/2021 2. Observation Sr. No. : 13186 3. Observer : Francesco de Gasperin, Daniele Dallacasa, Biava, Annalisa Bonafede, Kamlesh Rajpurohit, Christopher John Riseley, Marisa Brienza, Shimwell 4. Observer\'s Email : fdg@hs.uni-hamburg.de, daniele.dallacasa@unibo.it, nadia.biava2@unibo.it, a.bonafede@ira.inaf.it, kamlesh.rajpurohit@unibo.it, chris.riseley.astro@gmail.com, m.brienza@ira.inaf.it, shimwell@astron.nl 5. Project Name : Follow up observations of the weak halo in the cool-core cluster RX J1720.1\\\\+2638 6. Project Code : 40_057 7. Operator(s) : Deepak, Sachin 8. Command File : /data1/gtac/cmd/40_057/40_057_11Jun2021_1900_cmd.py 9. LTA File : /gsbifrdata1/11jun/40_057_11jun2021_gsb.lta, /gwbifrdata/11jun/40_057_11jun2021_gwb.lta 10. LogFlag File : 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/TGC 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 : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C01 High temperature. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 11 Jun 2021 19:00:00 - 12 Jun 2021 06:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : GPU_MODE = 0 GPU_LTA = 4 GPU_ACQ_BW = 200.0000 GPU_FINAL_BW= 1 GPU_EDGE_FRQ= 0 GPU_CHAN_MAX= 4096 GPU_CHAN_NUM= 0:4095:1 GPU_STOKES = 4 ===================================== 19:00 : Started setup 19:20 : Started scan on 3C286 for 12mins. 19:32 : phase cal is not up, so observed target source for 10mins. 19:45 : Started command file 20:35 : Command file got killed. 20:49 : Restarted command file 05:48 : Stopped command file after taking phase cal. 06:00 : Closed observation session after taking 3C48.