GTAC Observation Log 1. Date : 27/1/2014 2. Observation Sr. No. : 6930 3. Observer : Chandreyee Sengupta,Dwarakanath K.S.,D.J. Saikia,Tom Scott 4. Observer's Email : sengupta.chandreyee@gmail.com,dwaraka@rri.res.in,djs@ncra.tifr.res.in,tom@iaa.es 5. Project Name : Tidal dwarf galaxy candidates in Arp 305 6. Project Code : 25_032 7. Operator(s) : Deepak,Nilesh,Rupsingh,Sachin,Shilpa, 8. Command File : /odisk/gtac/cmd/csg/arp305.cmd 9. LTA File : /gsbifrdata/27jan/25_032_27jan2014.lta, 10. LogFlag File : /odisk/online1/logflags/25_032.FLAGS, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1396 MHz ,RF2 : 1396 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1335 MHz, ILO2 : 1335 MHz , IVLO1 : 61 MHz, IVLO2 : 61 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. GSB Mode : Realtime 15. GSB LTA : 8 16. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : ON 19. Stokes : TotIntensity 20. Beam - 1 : OFF 21. Beam - 2 : OFF 22. ACQ BW : 16.67 MHz 23. Final BW : 16.666666 MHz; Step # 0 24. Maximum Channels : 512 25. Channel Numbers : 0:511:1 26. LO5 -1 : 139.00 27. LO5 -2 : 166.00 28. Frequency Parameters (TPA) : 1396 1396 1335 1335 61 61. 29. Integration Time : 16.106112 Sec. 30. No of Antennas Working(Fringing) at the begining :28 31. Name of Non-Working Antennas (with reason for each) : W04 : feed problem. C14 : MCM-14 timeout 32. Note for Backup : 33. Start and End Time of Obs.(IST): 22:00 - 09:14 34. ONLINE Machine : Lenyadri 35. No of Antennas Working(Fringing) at the end :27 36. Comments (During Observations) : 22:11 : Started scan on 3C147. 22:15 : Scintillation is going on. 22:18 : Stopped scan. 22:31 : Started scan on 3C48. 22:37 : Stopped scan. 22:49 : Started command file. 00:20 : Stopped scan 00:23 : Started scan on 3C286. 00:33 : Stopped scan 00:34 : Restarted command file. 03:19 : Stopped command file. 03:21 : Started scan on 3C286 03:31 : Stopped scan. 03:32 : Restarted command file. 04:25 : Stopped scintillation. 08:13 : W02 taken for painting. 08:56 : Stopped command file. 08:58 : Started scan on 3C286. 09:14 : Stopped scan and observing session over.