GTAC Observation Log 1. Date : 22/04/2017 2. Observation Sr. No. : 9307 3. Observer : Nayana AJ, Poonam Chandra 4. Observer's Email : nayan89deva@gmail.com, poonam@ncra.tifr.res.in 5. Project Name : TRACING THE FOOTPRINTS OF VARIOUS CORE COLLAPSE SUPERNOVAE ENVIRONMENTS AT LOW FREQUENCIES 6. Project Code : 32_064 7. Operator(s) : Rupsing, Sachin 8. Command File : /odisk/gtac/cmd/nayana/32_064/21apr/obs.cmd, /odisk/gtac/cmd/nayana/32_064/22apr/obs.txt 9. LTA File : /gsbifrdata/21apr/32_064_21apr2017.lta, /gwbifrdata2/21apr/32_064_21apr2017.lta, /gsbifrdata/22apr/32_064_22apr2017_S4.lta, /gwbifrdata2/22apr/32_064_22apr2017_S4.lta 10. LogFlag File : /odisk/online1/logflags/32_064.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 1454 1454 1505 1505 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) : W03 : Servo problem. E02 : No fringe @175 in GWB E03 : No fringe @175 in GWB 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 Apr 2017 21:00:00 - 22 Apr 2017 03:01:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 1.0 GPU_EDGE_FRQ : 0.000000 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_RF : 1450 1450 GPU_RF4 : 1450 1450 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 32_064 -------------------------------------------------------------------------- 21:10 : Started scan on 3C286. 21:24 : Stopped scan. 21:26 : Started command file 23:59 : Stopped command file. 00:02 : Started common flux calibrator record for S3 and S04 record files. 00:18 : Stopped scan on 3C286. 00:20 : Started command file /odisk/gtac/cmd/nayana/32_064/22apr/obs.txt. 02:36 : Stopped command file and started scan on phase cal. 02:43 : Stopped scan on phase cal. 02:44 : Started scan on 3C286. 03:00 : Stopped scan on 3C286 and closed observation session.