GTAC Observation Log 1. Date : 04/08/2017 2. Observation Sr. No. : 9633 3. Observer : Kimberly Lynn Emig, Raymond Oonk, Huib T Intema, Huub Rottgering 4. Observer's Email : emig@strw.leidenuniv.nl, oonk@strw.leidenuniv.nl, intema@strw.leidenuniv.nl, rottgering@strw.leidenuniv.nl 5. Project Name : WIDE-BAND RECOMBINATION LINE STUDIES OF THE ISM IN NGC 253 6. Project Code : 32_102 7. Operator(s) : Navnath, Nilesh, Sachin 8. Command File : /odisk/gtac/cmd/32_102/04aug/obs.cmd 9. LTA File : /gsbifrdata/04aug/32_102_04aug17.lta, /gwbifrdata2/04aug/32_102_04aug2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2436, /odisk/online1/logflags/32_102.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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) : 1454 1454 1505 1505 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) : C12 : Servo problem. W03 : Mesh work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 04 Aug 2017 00:00:00 - 04 Aug 2017 09:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 00:31:18 : Started scan on 3C48 for ~ 0.671088 min. 00:43:17 : Started scan on 3C48 for ~ 14.8982 min. 01:01:48 : Started scan on NGC253 for ~ 35.4334 min. 01:40:34 : Started scan on 0024-420 for ~ 4.96605 min. 01:49:03 : Started command file. /odisk/gtac/cmd/32_102/04aug/obs.cmd 08:35 : Started scan on 3C48 for 15min 08:55 : Observation session over. ---------------------------------------------------------