GTAC Observation Log 1. Date : 01/06/2018 2. Observation Sr. No. : 10297 3. Observer : Esha Kundu, Peter Lundqvist, Poonam Chandra, Miguel A Perez-Torres 4. Observer's Email : esha.kundu@astro.su.se, peter@astro.su.se, poonam@ncra.tifr.res.in, torres@iaa.es 5. Project Name : Investigating the progenitors of Type Ia supernovae with the uGMRT 6. Project Code : 34_110 7. Operator(s) : Deepak, Navnath, Nilesh, Shilpa 8. Command File : /odisk/gtac/cmd/34_110/31may18/obs.cmd 9. LTA File : /gsbifrdata1/31may/34_110_31may2018_gsb.lta.1, /gsbifrdata1/31may/34_110_31may2018_gsb.lta, /gwbifrdata1/31may/34_110_31may2018_gwb.lta.2, /gwbifrdata1/31may/34_110_31may2018_gwb.lta.1, /gwbifrdata1/31may/34_110_31may2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2755, /odisk/online1/logflags/34_110.FLAGS.4, /odisk/online1/logflags/34_110.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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 : Full_Stokes 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) : 591 591 540 540 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) : C04 : No fringe in GSB. C10 : MCM-5 timeout. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 31 May 2018 19:00:00 - 01 Jun 2018 01:05:00 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 : 400.0000 GPU_FINAL_BW : 400.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 34_110 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 : 16 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : For 32 inputs GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF --------------------------------------------------------------------------- Note : MSEB power failed @ 17:30 Hrs. --------------------------------------------------------------------------- 19:00 : Started settings. 19:22 : Started scan on 3C286 for ~ 12.348 min. 19:40 : '/odisk/gtac/cmd/34_110/31may18/obs.cmd' command file started. 19:52 : MSEB power resumed. 20:16 : Restarted command file. 21:05 : Stopped command file due to continuously high temp in correlator room and so halted GSB (GSB data acquisition stopped). 21:11 : Restarted command file with GWB backend only. 00:46 : Started scan on 3C286 for 15min. 01:00 : Observation session over.