GTAC Observation Log 1. Date : 01/06/2018 2. Observation Sr. No. : 10300 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) : Nilesh 8. Command File : /odisk/gtac/cmd/34_110/01jun18/obs.txt 9. LTA File : /gsbifrdata1/01jun/34_110_01jun2018_gsb.lta, /gwbifrdata1/01jun/34_110_01jun2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/TEST.FLAGS.4711, /odisk/online1/logflags/34_110.FLAGS.6, /odisk/online1/logflags/34_110.FLAGS.5 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 : 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) : 591 591 540 540 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C04 : No Fringe in GSB. C05 : Servo problem. W05 : Servo Problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 01 Jun 2018 18:00:00 - 01 Jun 2018 23:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 17:30 : Started settings. All antennas parked due to HIGH WIND from 16:37 IST. ------------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 : 128 GPU_GAINEQ : OFF -------------------------------- 17:50 : ELECTRICAL power glitch. All antennas parked. 18:30 : Wind Speed goes normal, Re-started frequency settings. Antennas put in tracking. 18:55 : CORRELATOR ROOM Temperature increasing rapidly, ( ~ 4 deg in 70 min). so Switched GSB settings to Total Intensity. 19:11 : Started scan 3C286 for ~ 12 min. 19:25 : Started command file. /odisk/gtac/cmd/34_110/01jun18/obs.txt 22:36 : Stopped command file 22:37 : Started scan on 1248-199 for ~ 5min. 22:48 : Started scan on 3C286 for ~ 12 min. 23:00 : Observation session over. -----------------------------------------------------