GTAC Observation Log 1. Date : 29/8/2013 2. Observation Sr. No. : 6676 3. Observer : arunima banerjee,Jayaram Narayanan Chengalur,Narendranath Patra 4. Observer's Email : arunima@ncra.tifr.res.in,chengalur@ncra.tifr.res.in,narendra@ncra.tifr.res.in 5. Project Name : HI observations of superthin galaxies 6. Project Code : 24_009 7. Operator(s) : Navanath,Nilesh,Rupsingh, 8. Command File : /odisk/gtac/cmd/arunima/29aug/fgc1540.cmd, 9. LTA File : /gsbifrdata/29aug/24_009_29aug2013.lta, 10. LogFlag File : /odisk/online1/logflags/24_009.FLAGS.3,/odisk/online1/logflags/24_009.FLAGS.2, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1406.8135 MHz ,RF2 : 1406.8135 MHz, SA1 : 0 dB, SA2 : dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1345 MHz, ILO2 : 1345 MHz , IVLO1 : 61.8135 MHz, IVLO2 : 61.8135 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 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 : 16.67 MHz 23. Final BW : 2.08 MHz; Step # 2 24. Maximum Channels : 512 25. Channel Numbers : 0:511:1 26. LO5 -1 : 133.92 27. LO5 -2 : 171.08 28. Frequency Parameters (TPA) : 1406.8135 1406.8135 1345 1345 61.8135 61.8135. 29. Integration Time : 16.106112 Sec. 30. No of Antennas Working(Fringing) :26 31. Name of Non-Working Antennas (with reason for each) : E05 : No Feed at L-Band. S04 : Strong RFI. W05 : No Fringe. C04 : 130 Pol Low Fringe. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 10:00 - 16:35 34. ONLINE Machine : Shivneri 35. Comments (During Observations) : 10:00 : Started settings for observation. 10:34 : Started scan on 3c147 for ~ 10min. 10:49 : Started command file. /odisk/gtac/cmd/arunima/29aug/fgc1540.cmd 16:23 : cmd file stopped. 16:25 : Started scan on flux cal for 10 min. 16:35 : Observing session over. -------------------------------------------------