GTAC Observation Log 1. Date : 13/09/2017 2. Observation Sr. No. : 9746 3. Observer : Ananda Hota, Chiranjib Konar, Huib T Intema, Pratik Dabhade, Sravani Vaddi, C.S. Stalin, Sagar Sethi, Lavanya Nemani, Mitali Damle, Arpita Misra, ANJALI A, Charitarth Ashok Vyas, PRADEEPTA KISHORE MOHANTY, alakananda patra, Megha Rajoria, Akanksha Manojkumar Tiwary, SaiArun Dharmik Bhoga, Kavil Parag Mehta, Madhuri Gaikwad, Jeel Linesh Raval, Vrunda Ashok Maniya, Aakash Vilesh Mantri 4. Observer's Email : hotaananda@gmail.com, chiranjib.konar@gmail.com, intema@strw.leidenuniv.nl, pratikdabhade13@gmail.com, sravani.vaddi@gmail.com, stalin@iiap.res.in, sagarcoolbond@gmail.com, lavanyanemani96@gmail.com, mitali1203@yahoo.in, simly14@gmail.com, anjalii.geetha@gmail.com, charitarthvyas@gmail.com, pradeepta01@gmail.com, alaka.pcbz@gmail.com, megharajoria3@gmail.com, akankshatiwary1@gmail.com, arundharmikbs@gmail.com, kavilmehtarocketscience0@gmail.com, madhuri.explorer@gmail.com, jlraval@gmail.com, vrundamaniya@gmail.com, aakashsensei@gmail.com 5. Project Name : GMRT Observation of Objects Discovered by RAD@home Astronomy Collaboratory (GOOD-RAC-4): Faint fuzzy TGSS-NVSS sources as tracers of fading AGNs in evolving galaxies 6. Project Code : 32_093 7. Operator(s) : Pramod, Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/32_093/12sep2017/obs_2200ist.cmd 9. LTA File : /gsbifrdata1/12sep/32_093_12sep2017.lta, /gwbifrdata2/12sep/32_093_12sep2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/32_093.FLAGS.4 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 : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 306 306 255 255 51 51 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) : W01 : Maintenance. S04 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 12 Sep 2017 21:25:00 - 13 Sep 2017 06:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : ------------GWB Setting---------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 32_093 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 128 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 64 inputs. GPU_FILRFI : RFI Filterring OFF --------------------------------------------------------------------------- 21:25 : Started settings. 21:42 : Started scan on 3C48 for 15min. 22:01 : '/odisk/gtac/cmd/32_093/12sep2017/obs_2200ist.cmd' command file started. 02:23 : Stopped command file and started new command file. '/odisk/gtac/cmd/32_093/12sep2017/obs_0230to04ist.cmd' 04:00 : Stopped command file and started new command file. '/odisk/gtac/cmd/32_093/12sep2017/obs_04to06ist.cmd' 06:16 : Stopped command file. 06:21 : Started scan on 3C48. 06:36 : Stopped scan and observation session is over.