GTAC Observation Log 1. Date : 22/09/2017 2. Observation Sr. No. : 9772 3. Observer : Nayana, Deanne, Poonam 4. Observer's Email : nayana@ncra.tifr.res.in, poonam@ncra.tifr.res.in, deanne.coppejans@gmail.com 5. Project Name : Observations of a Rapid, Luminous and Blue Stellar Explosion 6. Project Code : DDTB287 7. Operator(s) : Rupsing 8. Command File : /odisk/gtac/cmd/nayana/ddt287/22sep/obs.cmd 9. LTA File : /gsbifrdata/22sep/ddtb287_22sep2017.lta 10. LogFlag File : /odisk/online1/logflags/DDTB287.FLAGS.2 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+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) : 591 591 540 540 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C09 : Elevation Gear Box Replacement. S06 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 22 Sep 2017 03:50:00 - 22 Sep 2017 07:05:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 03:55 : Started scan on 3C147. 04:10 : Stopped scan. 04:17 : Started command file. 06:43 : Stopped command file. 06:49 : Started scan on 3C147. 07:04 : Stopped scan and observation session over.