GTAC Observation Log 1. Date : 17/07/2017 2. Observation Sr. No. : 9581 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 : 32_073 7. Operator(s) : Nilesh, Pramod, Sachin, Surender 8. Command File : /odisk/gtac/cmd/sushma/32_073/17jul17/obs.txt 9. LTA File : /gsbifrdata/17jul/32_073_17jul2017.lta 10. LogFlag File : /odisk/online1/logflags/32_103.FLAGS.6, /odisk/online1/logflags/32_073.FLAGS.5 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1406.5316 MHz ,RF2 : 1406.5316 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1345 MHz, ILO2 : 1345MHz , IVLO1 : 61.5316 MHz, IVLO2 : 61.5316 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 : 16.666666 MHz 24. Final BW : 4 MHz; Step # 2 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138.4684 28. LO5 -2 : 166.5316 29. Frequency Parameters (TPA) : 1406.5316 1406.5316 1345 1345 61.5316 61.5316 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) : C14 : : Taken for Mech work. W03 : : Taken for Mech work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 17 Jul 2017 11:00:00 - 17 Jul 2017 21:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 11:00 : Started set-up. 11:15 : Started scan on 3C147 for 10mins. 11:28 : Started command file. /odisk/gtac/cmd/sushma/32_073/17jul17/obs.txt 16:45 : C14 released. 20:44 : Stopped command file and started scan on phase calibrator. 20:50 : Stopped scan on phase cal. 20:51 : Started scan on 3C286. 21:05 : Stopped scan on 3C286 and closed observation session.