GTAC Observation Log 1. Date : 18/01/2010 2. Observation Sr. No. : 4721 3. Observer : Rosita Paladino 4. Observer's Email : rosita.paladino@uibk.ac.at 5. Project Name : Low frequency observations of two nearby spiral galaxies: NGC 2403 6. Project Code : 17_045 7. Operator(s) : Deepak, Jayprakash, Nilesh, Santaji, 8. Command File : /odisk/gtac/cmd/17_045/paladino.cmd 9. LTA File : /rawdata/18jan/17_045_18jan2010.lta, /rawdata1/18jan/17_045_18jan2010.ltb 10. LogFlag File : /odisk/online1/logflags/17_045.FLAGS ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 325 MHz ,RF2 : 325 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 255 MHz, ILO2 : 255 MHz, IVLO1 : 70 MHz, IVLO2 : 70 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON 14. BB BW(KHz) & BB ALC : 16000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 325 325 255 255 70 70 18. Integration Time : 64 LTA ~ 8.454 Sec. 19. No of Antennas Working(Fringing) :30 20. Name of Non-Working Antennas (with reason for each) : C13 - Bad band-shape. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 18:00 - 04:00 23. ONLINE Machine : Lenyadri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 18:00 : Started setup @ 325 MHz. ******************************************** Software correlator data files : /gsbifrdata/18jan/17_045_18jan2010_gsb.lta ******************************************** 18:15 : Started scan on 3c147 for 15min. 18:32 : Started command file. '/odisk/gtac/cmd/17_045/paladino.cmd'. 19:23 : Strong RFI Lines @ 315MHz, 320MHz,330MHz,335MHz,340MHz. 19:47 : Strong RFI only @ 330 MHz. 19:50 : RFI Vanished. 00:17 : Stopped the command file. 00:20 : Started scan on 3c286 for 10min. 00:31 : Stopped the scan. 00:32 : Restarted the command file. 03:40 : Stopped the command file. 03:45 : Started scan on 3c286. 04:00 : Stopped the scan & observation.