GTAC Observation Log 1. Date : 07/05/2017 2. Observation Sr. No. : 9363 3. Observer : Neeraj Gupta, Raghunathan Srianand, Rajeshwari Dutta, Aditya JNHS 4. Observer's Email : ngupta@iucaa.in, anand@iucaa.in, rdutta@iucaa.in, adityaj@iucaa.in 5. Project Name : Blind search of HI 21-cm and OH 18-cm absorbers using uGMRT 6. Project Code : 32_082 7. Operator(s) : Nilesh 8. Command File : /odisk/gtac/cmd/32_082/07may17/obs.cmd 9. LTA File : /gsbifrdata1/07may/32_082_07may2017.lta, /gwbifrdata2/07may/32_082_07may2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/32_035.FLAGS.9 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 : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : IA 22. Beam - 2 : PA 23. ACQ BW : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 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 :25 32. Name of Non-Working Antennas (with reason for each) : C01 : Low Fringe in both GSB and GWB. C11 : No Fringe in GSB. C14 : Not released for observation. S02 : Not released for observation. S06 : Servo problem. W05 : GWB-CH1 : No Fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 07 May 2017 15:00:00 - 07 May 2017 20:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 15:00 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_RF4 : 1400 1400 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 32_082 -------------------------------- 15:18:54 : Started scan on 0059+001 for ~ 1.61061 min. 15:22:28 : Started scan on OBJECT9081 for ~ 10.2005 min. 15:34:08 : Started scan on OBJECT10575 for ~ 9.66367 min. 15:45:07 : Started scan on OBJECT6917 for ~ 6.97932 min. 15:53:07 : Started scan on 0204+152 for ~ 5.10027 min. 16:01:10 : Started scan on 3C147 for ~ 9.9321 min. 16:12:35 : Started scan on OBJECT1669 for ~ 14.7639 min. 16:29:05 : Started scan on OBJECT2001 for ~ 15.0324 min. 16:45:40 : Started scan on 0741+312 for ~ 7.78462 min. 16:55:00 : Started scan on OBJECT3247 for ~ 15.0324 min. 17:10 : S06 antenna released for observations. 17:12:02 : Started scan on 0834+555 for ~ 7.78462 min. 17:21:21 : Started scan on OBJECT198 for ~ 15.0324 min. 17:43:04 : Started scan on 0842+185 for ~ 0.805306 min. 17:46:51 : Started scan on 0842+185 for ~ 7.78462 min. 17:59:40 : Started scan on OBJECT5290 for ~ 14.7639 min. 18:37:08 : Started scan on 1111+199 for ~ 5.10027 min. 18:45:13 : Started scan on OBJECT5616 for ~ 16.1061 min. 19:02:26 : Started scan on OBJECT5790 for ~ 15.3008 min. 19:18:48 : Started scan on 1111+199 for ~ 4.29496 min. 19:25:33 : Started scan on 1146+399 for ~ 7.78462 min. 19:34:21 : Started scan on OBJECT2711 for ~ 15.0324 min. 19:52:47 : Started scan on 1120+143 for ~ 7.78462 min. 20:01:52 : Started scan on OBJECT6512 for ~ 15.0324 min. 20:24:24 : Started scan on 3C147 for ~ 14.4955 min. 20:40 : Stopped observations.