GTAC Observation Log 1. Date : 29/12/2020 2. Observation Sr. No. : 12739 3. Observer : Surajit Paul, Sameer Tanaji Salunkhe, PRATEEK GUPTA, Somak Raychaudhury, Pratik Dabhade 4. Observer\'s Email : surajit@physics.unipune.ac.in, salunkhesameer1990@gmail.com, prateekgidolia@gmail.com, somak@iucaa.in, pratikdabhade13@gmail.com 5. Project Name : Understanding the diffuse radio emission from Planck-SZ low-mass galaxy Clusters using the uGMRT and LoTSS-1 6. Project Code : ddtC157 7. Operator(s) : Manisha, Sachin 8. Command File : /odisk/gtac/cmd/ddtc157/obs.cmd 9. LTA File : /gsbifrdata1/29dec/ddtc157_29dec2020_band3_gsb.lta, /gwbifrdata1/29dec/ddtc157_29dec2020_band3_gwb.lta 10. LogFlag File : /odisk/online1/logflags/39_089.FLAGS.9, /odisk/online1/logflags/39_089.FLAGS.8 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 :26 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C14 : Feed problem. E02 : Mechanical work. S03 : Mechanical work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 Dec 2020 11:06:00 - 29 Dec 2020 14:10:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :26 37. RFI Status : 38. Comments (During Observations) : ------------------------------------------ GPU_PFB,0 GSB_CHAN_NUM,0:255:1 GSB_ACQ_BW,33.333333 GSB_FINAL_BW,0 GPU_PFB_TAPS,16 GSB_ENV,1 GPU_CHAN_NUM,0:8191:1 GPU_BEAM_S,0 GSB_STOKES,2 GSB_CNTRL,1 GPU_EDGE_FRQ,0 GSB_BEAM_1,0:1 GSB_BEAM_2,0:1 GPU_BEAM_3,0:1 GPU_BEAM_2,0:1 GPU_BEAM_1,0:1 GPU_BEAM_4,0:1 GSB_GAINEQ,1 GSB_BB_LO,149000000:156000000 GPU_FINAL_BW,1 GPU_VLT_BIT,8 GSB_LTA,8 GPU_FSTOP,1 GPU_FILRFI,0 GPU_BM_INT,8 GSB_HOSTS,0 GPU_DDC,0 GPU_CNTRL,1 GPU_GAINEQ,1 GPU_LTA,4 GSB_FSTOP,1 GPU_CHAN_MAX,8192 GSB_EDGE_FRQ,0 GPU_ENV,1 GPU_HOSTS,2 GPU_MODE,0 GPU_STOKES,2 GSB_CD_MODE,0 GSB_CHAN_MAX,256 GPU_TPA,0 GPU_ACQ_BW,200.0000 GPU_BEAM_BIT,16 GSB_MODE,0 BANDMASK,3 GPU_BEAM4_DATASERVER,gwbh10 CORRMASK,8 ANTENNAMASK,3fffffff GPU_BEAM1_DATASERVER,gwbh7 GPU_IFR_DATASERVER,gwbh6 GSB_IFR_DATASERVER,gsbm4 GPU_BEAM2_DATASERVER,gwbh8 GPU_BEAM3_DATASERVER,gwbh9 GSB_BEAM1_DATASERVER,node_33 GSB_BEAM2_DATASERVER,node_34 --------------------------------------------- 11:00 : Started taking control from online to TGC. 11:30 : Completed setup in TGC. 11:34:32 : Started scan on 3C286 for ~ 8.27675 min. 11:45:50 : Started scan on 1421+417 for ~ 3.26596 min. 11:51:19 : Started scan on PSZ080 for ~ 31.2727 min. 12:24:28 : Started scan on 1421+417 for ~ 3.22122 min. 12:29:59 : Started scan on PSZ089 for ~ 31.3174 min. 13:03:20 : Started scan on 1421+417 for ~ 3.62388 min. 13:06 : Scan for GWB not started. 13:23:40 : Started scan on PSZ080 for ~ 16.643 min. 13:42:13 : Started scan on 1421+417 for ~ 3.22122 min. 13:47:19 : Started scan on PSZ089 for ~ 16.2851 min. 14:05 : Stopped scan on source and closed observation session.Not taken phase cal because it was set.