GTAC Observation Log 1. Date : 28/12/2016 2. Observation Sr. No. : 9098 3. Observer : Sushma Kurapati, Jayaram Narayanan Chengalur 4. Observer's Email : sushma@ncra.tifr.res.in, chengalur@ncra.tifr.res.in 5. Project Name : HI as a probe of dwarf galaxy transformations in dense environments 6. Project Code : 31_086 7. Operator(s) : Nilesh, Sachin 8. Command File : /odisk/gtac/cmd/sushma/31_086/28dec16/obs.txt 9. LTA File : /gsbifrdata1/28dec/31_086_28dec2016.lta 10. LogFlag File : /odisk/online1/logflags/TEST.FLAGS.4323, /odisk/online1/logflags/31_086.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1405.9735 MHz ,RF2 : 1405.9735 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1340 MHz, ILO2 : 1340MHz , IVLO1 : 65.9735 MHz, IVLO2 : 65.9735 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 : 16.666666 MHz 24. Final BW : 4 MHz; Step # 2 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 134.0265 28. LO5 -2 : 170.9735 29. Frequency Parameters (TPA) : 1405.9735 1405.9735 1340 1340 65.9735 65.9735 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C09 : ABC timed out. C12 : Servo problem. E05 : Feed jammed. S03 : 175 pol no fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Dec 2016 02:00:00 - 28 Dec 2016 10:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 02:06:22 : Started scan on 3C147 for ~ 15.3008 min. 02:30:15 : Started command file. 08:27 : E-arm power failure. 09:40 : stopped command file. 10:00 : Observation session over.