GTAC Observation Log 1. Date : 13/02/2015 2. Observation Sr. No. : 7608 3. Observer : Anandmayee Tej, Sarita Vig, swagat ranjan das, Veena V.S., Tie Liu, Kee-Tae Kim, Swarna Kanti Ghosh, C.H. IshwaraChandra, Jeong-Eun Lee, Diego Mardones, Hongli Li 4. Observer's Email : anandmayee.tej@gmail.com, sarita@iist.ac.in, dasswagat77@gmail.com, veenagangothri@gmail.com, liutiepku@gmail.com, ktkim@kasi.re.kr, swarna@ncra.tifr.res.in, ishwar@ncra.tifr.res.in, jeongeun.lee@khu.ac.kr, diego@das.uchile.cl, hlliu@nao.cas.cn 5. Project Name : Bubbles as probes for triggered star formation 6. Project Code : 27_029 7. Operator(s) : Manisha, Navnath, Sachin, Surender 8. Command File : /odisk/gtac/cmd/27_029/feb13.cmd 9. LTA File : /gsbifrdata/13feb/27_029_13feb2015.lta 10. LogFlag File : /odisk/online1/logflags/27_029.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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 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 : 33.333333 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :25 32. Name of Non-Working Antennas (with reason for each) : C04 : Servo Problem. E06 : ABC Time out. W06 : 130 no fringe. W02 : No feed at 610. W05 : Feed cage painting. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 13 Feb 2015 05:00:00 - 13 Feb 2015 10:08:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 05:03 : Started scan on 3C147 for 15 min. 05:28 : Started cmd file. 08:13 : all antennas power failed. 08:14 : Stopped command file. 08:50 : Completed set up after power arrival. NOTE : Please ignore scan no. 9 which was run to check fringe status while setting up antennas. 08:50 : C04 started working. 08:50 : Restarted command file from phase cal. 09:44 : Stopped command file. 09:52 : Started scan on 3C295 for 15 min. 10:08 : Stopped scan and observing session is over.