GTAC Observation Log 1. Date : 13/2/2012 2. Observation Sr. No. : 5821 3. Observer : Huib Intema 4. Observer's Email : hintema@nrao.edu 5. Project Name : Galaxy cluster merger vs. non-thermal intracluster component: detailed analysis of three targets from the Planck Sunyaev-Zeldov ich cluster survey 6. Project Code : 21_009 7. Operator(s) : Manisha, Navanath, Santaji, 8. Command File : /odisk/gtac/cmd/21_009/obs1.cmd, /odisk/gtac/cmd/21_009/obs2.cmd, 9. LTA File : /gsbifrdata/12feb/21_009_12feb2012.lta.1, /gsbifrdata/12feb/21_009_12feb2012.lta.2, /gsbifrdata/12feb/21_009_12feb2012.lta.3 10. LogFlag File : /odisk/online1/logflags/21_009.FLAGS.5 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 629 MHz ,RF2 : 253 MHz, SA1 : 0 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 680 MHz, ILO2 : 304 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON GSB SETTINGS : 14. GSB Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : ON 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. ACQ BW : 32 MHz 21. Maximum Channels : 256 22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 629 253 680 304 51 51. 25. Integration Time : 2.013 Sec. 26. No of Antennas Working(Fringing) :29 27. Name of Non-Working Antennas (with reason for each) : C08 - no fringe @ 235 MHz. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 00:20 - 13:00 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 2s lta file /gsbifrdata1/12feb/21_009_12feb2012_2s.lta /gsbifrdata1/12feb/21_009_12feb2012_2s.lta.1 /gsbifrdata1/12feb/21_009_12feb2012_2s.lta.2 ----------------------------------------------- 00:20 : scan started on 3c147. 00:47 : command file (obs1.cmd) started. 05:00 : command file (obs2.cmd) started. 09:00 : S04 parked for painting work 09:30 : W03 and S03 parked for painting work. 09:55 : W-arm Electrical Power failure. 10:10 : Electrical power resumed. 12:42 : Started scan on 3C48 for 20min. 13:05 : Observing session over. ------------------------------------------------------------- note : flux cal recorded in lta.3 file since W-arm was not showing fringes due electrical power failure and even after power resuemed. So please use flux cal from lta.e files. -------------------------------------------------------------