GTAC Observation Log 1. Date : 08/01/2021 2. Observation Sr. No. : 12778 3. Observer : Veselina Kalinova, Nirupam Roy, Narendra Nath Patra, Prerana Biswas, Nadezda Tyulneva, Dario Colombo, Sergio Abraham Dzib, Karl M. Menten, Tony Wong, Barrera-Ballesteros, Stuart Vogel 4. Observer\'s Email : kalinova@mpifr.de, roy.nirupam@gmail.com, naren.ncra@gmail.com, prerana.biswas1994@gmail.com, ntyulneva@mpifr-bonn.mpg.de, dcolombo@mpifr-bonn.mpg.de, sdzib@mpifr-bonn.mpg.de, kmenten@mpifr.de, wongt@illinois.edu, jkbarrerab@astro.unam.mx, svogel@umd.edu 5. Project Name : Understanding Star-Formation Quenching in Nearby galaxies with uGMRT 6. Project Code : 39_037 7. Operator(s) : Shilpa, Shriram 8. Command File : /data1/gtac/cmd/39_037/08jan21/ngc0681.py 9. LTA File : /gsbifrdata1/08jan/39_037_08jan2021_gsb.lta, /gwbifrdata1/08jan/39_037_08jan2021_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1401.5835 MHz ,RF2 : 1401.5835 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1340 MHz, ILO2 : 1340MHz , IVLO1 : 61.5835 MHz, IVLO2 : 61.5835 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 : TGC 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 : 4 MHz; Step # 2 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138.4165 28. LO5 -2 : 166.5835 29. Frequency Parameters (TPA) : 1401.5835 1401.5835 1340 1340 61.5835 61.5835 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. W03 : Mechanical maintenance 33. Note for Backup : 34. Start and End Time of Obs.(IST): 08 Jan 2021 14:55:00 - 08 Jan 2021 21:30:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 39_037 GPU_CNTRL : TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 16 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED -------------------------------------------------------------------------- 15:00 : Started settings. 15:23 : Started scan on 3C48 ~15 min. 15:40 : Started command file, \'/data1/gtac/cmd/39_037/08jan21/ngc0681.py\' 21:09 : Stopped command file. 21:13 : Started scan on 3C48 for ~ 15.0324 min. 21:29 : Scan stopped and observing session over.