GTAC Observation Log 1. Date : 16/01/2019 2. Observation Sr. No. : 10813 3. Observer : Rajeshwari Dutta, Raghunathan Srianand, Neeraj Gupta 4. Observer's Email : rdutta@eso.org, anand@iucaa.in, ngupta@iucaa.in 5. Project Name : HI 21-cm absorption associated with low-z galaxy mergers 6. Project Code : 35_030 7. Operator(s) : Sachin 8. Command File : /odisk/gtac/cmd/35_030/16jan19/16jan19.cmd 9. LTA File : /gsbifrdata1/16jan/35_030_16jan2019_gsb.lta 10. LogFlag File : /odisk/online1/logflags/35_030.FLAGS.6 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1360.9167 MHz ,RF2 : 1360.9167 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1300 MHz, ILO2 : 1300MHz , IVLO1 : 60.9167 MHz, IVLO2 : 60.9167 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 : 16.666666 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 139.0833 28. LO5 -2 : 165.9167 29. Frequency Parameters (TPA) : 1360.9167 1360.9167 1300 1300 60.9167 60.9167 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C01 : No fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 16 Jan 2019 02:00:00 - 16 Jan 2019 06:38:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 02:18:24 : Started scan on 3C286 for ~ 9.66367 min. 02:30:33 : Started scan on 1347+122 for ~ 6.71088 min. 02:41:38 : Started scan on J1301+0420 for ~ 48.0499 min. 03:32:54 : Started scan on 1347+122 for ~ 6.97932 min. 03:43:12 : Started scan on J1301+0420 for ~ 47.7815 min. 04:32:46 : Started scan on 1347+122 for ~ 6.97932 min. 04:43:00 : Started scan on J1301+0420 for ~ 47.7815 min. 05:33:15 : Started scan on 1347+122 for ~ 6.71088 min. 05:43:29 : Started scan on J1301+0420 for ~ 11.8111 min. 05:59:05 : Started scan on 1347+122 for ~ 6.71088 min. 06:11:21 : Started scan on 3C286 for ~ 9.66367 min.