GTAC Observation Log 1. Date : 10/05/2015 2. Observation Sr. No. : 7772 3. Observer : YOGESH CHANDOLA, Di Li, Chao-Wei Tsai, Pei Zuo 4. Observer's Email : yogesh.chandola@gmail.com, ithaca.li@gmail.com, Chao-Wei.Tsai@jpl.nasa.gov, sophie.t.zuo@gmail.com 5. Project Name : %latex% H \\sc{i} mapping of mid-infrared bright, low metallicity Blue Compact Dwarf galaxies %latex% 6. Project Code : 28_091 7. Operator(s) : Pramod, Rupsing 8. Command File : /odisk/gtac/cmd/yogesh/28_091/10may15a1.cmd,/odisk/gtac/cmd/yogesh/28_091/10may15a2.cmd,/odisk/gtac/cmd/yogesh/28_091/10may15b.cmd 9. LTA File : /gsbifrdata/10may/28_091_10may2015.lta.1,/gsbifrdata/10may/28_091_10may2015.lta 10. LogFlag File : /odisk/online1/logflags/28_091.FLAGS.4,/odisk/online1/logflags/28_091.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1387 MHz ,RF2 : 1387 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1325 MHz, ILO2 : 1325MHz , IVLO1 : 62 MHz, IVLO2 : 62 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 Host : gsbm1 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 : 16.666666 MHz; Step # 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 1387 1387 1325 1325 62 62 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) : C00 : Servo problem. C01 : Low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 10 May 2015 03:00:00 - 10 May 2015 22:45:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 03:35 : Started set up. 03:55 : Started scan on 3C286 for 15 min. 04:10 : Stopped scan and started command file. 08:38 : Changed phase cal 10:30 : C00 started working. 13:48 : Stopped command file. 13:50 : Started scan on 3C48 for 15 min. 14:05 : Stopped scan. ------------------------------------------------------------ 14:05 : Started set for 1407. 14:05 : C01 low fringe. 14:15 : Started scan on 3C147 for 15 min. 14:33 : Stopped scan and started command file. 18:21 : Stopped command file 18:23 : Started scan on 3C286. 18:33 : Stopped scan. 18:35 : Restarted command. 22:24 : Stopped command file. 22:28 : Started scan on 3C286 22:43 : Stopped scan and observation session over.