GTAC Observation Log 1. Date : 27/2/2013 2. Observation Sr. No. : 6399 3. Observer : Sandip Sirothia 4. Observer's Email : sirothia@ncra.tifr.res.in 5. Project Name : GMRT Deap Search for Radio-emission from Exoplanets 6. Project Code : 23_059 7. Operator(s) : Navanath, Nilesh, Pramod, Rupsingh, 8. Command File : /odisk/gtac/cmd/sirothia/23_059_20130227.cmd 9. LTA File : /gsbifrdata/27feb/23_059_27feb2013_16s.lta 10. LogFlag File : /odisk/online1/logflags/23_059.FLAGS.7 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218 MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 10+12 dB, 16 MHz,ON, IF-CH2 : 10+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 : IA 19. Beam - 2 : PA 20. ACQ BW : 16 MHz 21. Maximum Channels : 256 22. IFBW (MHz) : LO5 (KHz) : 16:138000-167000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 156 156 218 218 62 62. 25. Integration Time : 8.053 Sec. 26. No of Antennas Working(Fringing) :27 27. Name of Non-Working Antennas (with reason for each) : C04 : Servo motor changing and counter weight rectification. W02 : BLDC work. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 18:00 - 05:00 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 2s files :- /gsbifrdata1/27feb/23_059_27feb2013_2s.lta ------------------------------------------------------------------- 18:00 : Started set-up. 18:15 : Phasing done. 18:17 : Started scan on 3c286 for ~5min. 18:24 : Started phasing on 3c286. 18:26 : Started scan on 3c286 for ~15min. 18:42 : Started command file. 04:17 : Source set, stopped command file. 04:20 : Started scan on 0834+555 for ~5min. 04:25 : Started phasing on 0834+555. 04:27 : Started scan on 0834+55 for ~1min. 04:35 : Started scan on 3c286 for ~5min. 04:41 : Started phasing on 3c286. 04:44 : Started scan on 3c286 for ~15min. 05:00 : Stopped observation session.