GTAC Observation Log 1. Date : 28/4/2011 2. Observation Sr. No. : 5300 3. Observer : Sandeep Sirothia 4. Observer's Email : sirothia@ncra.tifr.res.in 5. Project Name : GMRT Search for radio-emission from exotic extra-solar planets 6. Project Code : 20_089 7. Operator(s) : Deepak, Navanath, Nilesh, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/sirothia/20_089_28apr.cmd 9. LTA File : /gsbifrdata/28apr/20_089_28apr2011.lta, 10. LogFlag File : /odisk/online1/logflags/20_089.FLAGS 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 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON GSB SETTINGS : 14. Maximum Channels : 256 15. Final Bandwidth (MHz): OFF MHz; Step # 0 16. IFBW (MHz) : LO5 (KHz) : 16:138000-167000 17. Stokes : Full_Polar 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. Frequency Parameters (TPA) : 156 156 218 218 62 62. 21. Integration Time : 16.106 Sec. 22. No of Antennas Working(Fringing) :28 23. Name of Non-Working Antennas (with reason for each) : C05 : Maintainance. W02 : Intermittent Fringe fluctuations. 24. Note for Backup :-- 25. Start and End Time of Obs.(IST): 18:00 - 07:15 26. ONLINE Machine : Shivneri 27. Comments (During Observations) : -------------------------------------------------- 2s File : /gsbifrdata1/28apr/20_089_28apr2011_2s.lta -------------------------------------------------- 17:50 : Started setup for observation. 18:06 : Started scan on J0329+5426 for ~20min. 18:31 : Started scan on 3C286(1331+305) for ~15min. 18:47 : Started command file. '/odisk/gtac/cmd/sirothia/20_089_28apr.cmd'. 19:40 : E05 High wind, antenna parked. 05:37 : Stopped command file. 05:52 : Started scan on 3C468.1. 06:20 : Stopped scan. 06:25 : Started scan on 3C48. 06:54 : Stopped scan. 06:56 : Started scan on J0218+4232. 07:14 : Stopped scan on J calibrator and stopped observation session.