GTAC Observation Log 1. Date : 19/03/2017 2. Observation Sr. No. : 9269 3. Observer : Nayana AJ, Poonam Chandra, Subhashis Roy, Alak Ray, Alexandre Marcowith, Marianne Lemoine-Goumard, Matthieu Renaud 4. Observer's Email : nayan89deva@gmail.com, poonam@ncra.tifr.res.in, roy@ncra.tifr.res.in, akr@tifr.res.in, Alexandre.Marcowith@univ-monpt2.fr, lemoine@cenbg.in2p3.fr, mrenaud@lupm.univ-montp2.fr 5. Project Name : uGMRT OBSERVATIONS OF SNR G353.6-0.7 AKA HESS J1731-347 6. Project Code : 31_096 7. Operator(s) : Nilesh, Pramod 8. Command File : /odisk/gtac/cmd/nayana/31_096/obs.txt 9. LTA File : /gsbifrdata1/19mar/31_096_19mar2017.lta 10. LogFlag File : /odisk/online1/logflags/31_037.FLAGS.9 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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_shivneri 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 : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 306 306 255 255 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C02 : Strong RFI C01 : Amplitude and phase jump only in GSB. C08 : Amplitude variation only in GSB. S03 : Amplitude variation only in GSB. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Mar 2017 02:00:00 - 19 Mar 2017 10:15:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : GWB lta file : /gwbifrdata2/19mar/31_096_19mar2017_gwb.lta ----------------------------------------------------- 02:00 : Started set up. 02:11 : Started scan on 3C286. 02:50 : Stopped scan and started command file. '/odisk/gtac/cmd/nayana/31_096/obs.txt' 03:34 : S03 Applied brakes. 04:51 : S03 Release brakes. 09:47 : Source set, stopped scan and command file. 09:48 : Started scan on phase cal for ~ 8 min. 10:02 : started scan on 3C48 for ~ 10 min. 10:12 : Stopped scan and observation closed.