GTAC Observation Log 1. Date : 05/07/2015 2. Observation Sr. No. : 7892 3. Observer : Paula Benaglia, Juliana Saponara, Baerbel Silvia Koribalski, arunima banerjee 4. Observer's Email : pbenaglia@fcaglp.unlp.edu.ar, juliana.saponara@gmail.com, Baerbel.Koribalski@csiro.au, arunima@ncra.tifr.res.in 5. Project Name : GMRT HI mapping of the edge-on spiral galaxy ESO270-G017 6. Project Code : 28_069 7. Operator(s) : Deepak, Pramod 8. Command File : /odisk/gtac/cmd/28_069/obs.cmd 9. LTA File : /gsbifrdata/05jul/28_069_05jul2015.lta 10. LogFlag File : /odisk/online1/logflags/28_069.FLAGS.8\r,/odisk/online1/logflags/28_069.FLAGS.7 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1406.0835 MHz ,RF2 : 1406.0835 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1345 MHz, ILO2 : 1345MHz , IVLO1 : 61.0835 MHz, IVLO2 : 61.0835 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 : 16.666666 MHz 24. Final BW : 4 MHz; Step # 2 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138.9165 28. LO5 -2 : 166.0835 29. Frequency Parameters (TPA) : 1406.0835 1406.0835 1345 1345 61.0835 61.0835 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C04 : : Strong RFI C08 : : No fringe at 175 pol. C10 : : NO Fringe C13 : : BLDC Work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 05 Jul 2015 17:00:00 - 05 Jul 2015 22:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 17:00 to 18:40 : Wind speed is high and hence could not start the observation. 18:40 : Started scan on 3C286. 18:58 : Started command file. /odisk/gtac/cmd/28_069/obs.cmd 21:00 : Scintillation appeared in the data. 21:38 : Stopped command file. 21:40 : Started scan on 3C286. 21:44 : Scintillation disappeared in the data. 22:00 : Stopped scan and observation is over.