GTAC Observation Log 1. Date : 01/06/2015 2. Observation Sr. No. : 7815 3. Observer : Xinwen Shu, YOGESH CHANDOLA, Tinggui Wang, Ning Jiang, Di Li, Ningyu Tang 4. Observer's Email : xinwen.shu@cea.fr, yogesh.chandola@gmail.com, twang@ustc.edu.cn, jnac@mail.ustc.edu.cn, ithaca.li@gmail.com, nytang@nao.cas.cn 5. Project Name : The missing link: revealing the nature of radio emission from a supersoft intermediate-mass black hole with GMRT 6. Project Code : 28_039 7. Operator(s) : Deepak, Navnath, Pramod 8. Command File : /odisk/gtac/cmd/28_039/may31.cmd 9. LTA File : /gsbifrdata/31may/28_039_31may2015.lta 10. LogFlag File : /odisk/online1/logflags/28_039.FLAGS.2,/odisk/online1/logflags/28_039.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 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 : 33.333333 MHz 24. Final BW : 33.333333 MHz; Step # 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 1371 1371 1320 1320 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : S04 : Taken for BLDC. W05 : Taken for Mechanical work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 31 May 2015 15:00:00 - 01 Jun 2015 03:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 15:00 : Started set up. 15:11 : Started scan on 3C147. 15:43 : Stopped scan and started command file. '/odisk/gtac/cmd/28_039/may31.cmd' 16:40 : W05 started working. 17:00 : W03 servo problem. 02:22 : Started scan on 3C286. 03:00 : Observation session over.