GTAC Observation Log 1. Date : 24/1/2014 2. Observation Sr. No. : 6922 3. Observer : Poonam Chandra,Alak Ray,Sayan Chakraborti,Barnali Das 4. Observer's Email : poonam@ncra.tifr.res.in,akr@tifr.res.in,schakraborti@fas.harvard.edu,dbarnali05@gmail.com 5. Project Name : GMRT observations of closeby very bright supernova in M82 6. Project Code : ddtB109 7. Operator(s) : Navanath, 8. Command File : /odisk/gtac/cmd/poonam/24jan/24jan-obs.cmd 9. LTA File : /gsbifrdata1/24jan/ddtb109_24jan2014.lta, 10. LogFlag File : /odisk/online1/logflags/DDTB109.FLAGS, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1261 MHz ,RF2 : 1261 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1210 MHz, ILO2 : 1210 MHz , 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 Mode : Realtime 15. GSB LTA : 8 16. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : ON 19. Stokes : TotIntensity 20. Beam - 1 : OFF 21. Beam - 2 : OFF 22. ACQ BW : 33.33 MHz 23. Final BW : 33.333333 MHz; Step # 0 24. Maximum Channels : 256 25. Channel Numbers : 0:255:1 26. LO5 -1 : 149.00 27. LO5 -2 : 156.00 28. Frequency Parameters (TPA) : 1261 1261 1210 1210 51 51. 29. Integration Time : 16.106112 Sec. 30. No of Antennas Working(Fringing) at the begining :28 31. Name of Non-Working Antennas (with reason for each) : E06 : MCM 5 time out. W04 : Can not rotate feed duo to 610 MHz feed is removed. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 00:00 - 06:00 34. ONLINE Machine : Lenyadri 35. No of Antennas Working(Fringing) at the end :28 36. Comments (During Observations) : 00:00: Started set up for 1280MHz. 00:13: Started scan on 3C147. 00:33 : Stopped scan and started command file. /odisk/gtac/cmd/poonam/24jan/24jan-obs.cmd 06:06 : Started scan on 3C286 for 15min. 06:20 : Observing session over