GTAC Observation Log 1. Date : 19/06/2016 2. Observation Sr. No. : 8669 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 types of core collapse supernovae environments at low frequencies 6. Project Code : 30_090 7. Operator(s) : Deepak, Navnath, Sachin, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/nayana/30_090/obs.cmd 9. LTA File : /gsbifrdata/19jun/30_090_19jun2016_610.lta, /gsbifrdata/19jun/30_090_19jun2016_1420.lta, /gsbifrdata1/19jun/30_090_19jun2016_8s.lta 10. LogFlag File : /odisk/online1/logflags/30_090.FLAGS.5 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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) : 1409 1409 1460 1460 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C11 : structural repair C12 : BLDC. W04 : Painting. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Jun 2016 14:30:00 - 19 Jun 2016 18:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : SUBA 2 : 610MHz # sub 2 # C01 C03 C05 C09 C11 C12 C14 W03 W04 W05 E02 E04 S01 S03 ante 14 6 1 19 4 9 2 10 14 15 16 17 21 26 28 cp 0;defs 2;subar 2 tpa 591 591 540 540 51 51 --------------------------------------------------------------------------- SUBA 4 : 1420MHz # sub 4 # C00 C02 C04 C06 C08 C10 C13 W01 W02 W06 E03 E05 E06 S02 S04 S06 ante 16 7 5 3 20 24 12 11 8 13 25 18 22 23 27 29 30 cp 0;defs 4;subar 4 tpa 1409 1409 1460 1460 51 51 --------------------------------------------------------------------------- 14:30 : Started settings. 15:10 : Started scan on 3C286. 15:28 : Stopped scan. Halted GSB and all antennas feed rotated to L-band (Ref. Nayana). 15:39 : Started grid pointing. 16:15 : Grid pointing over and restarted GSB. 16:25 : Started scan on 3C286 for 10min. 16:38 : '/odisk/gtac/cmd/nayana/30_090/obs.cmd' command file started. 18:00 : Stopped command file and observing session over.