GTAC Observation Log 1. Date : 25/06/2019 2. Observation Sr. No. : 11185 3. Observer : Sushma Kurapati, Jayaram Narayanan Chengalur, Elizabeth A.K. Adams, Marijana Smailagic, Luke Leisman, Aaron Romanowsky 4. Observer's Email : sushma@ncra.tifr.res.in, chengalur@ncra.tifr.res.in, adams@astron.nl, msmailag@ucsc.edu, leisman@astro.cornell.edu, aaron.romanowsky@sjsu.edu 5. Project Name : HI bearing ultra diffuse galaxies 6. Project Code : 36_062 7. Operator(s) : Manisha, Nilesh, Sachin 8. Command File : /odisk/gtac/cmd/chengalu/agc219200.cmd 9. LTA File : /gsbifrdata/25jun/36_062_25jun2019_gsb.lta, /gwbifrdata1/25jun/36_062_25jun2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_062.FLAGS.7, /odisk/online1/logflags/36_062.FLAGS.6 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1403.8535 MHz ,RF2 : 1403.8535 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1345 MHz, ILO2 : 1345MHz , IVLO1 : 58.8535 MHz, IVLO2 : 58.8535 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 : 4 MHz; Step # 2 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 141.1465 28. LO5 -2 : 163.8535 29. Frequency Parameters (TPA) : 1403.8535 1403.8535 1345 1345 58.8535 58.8535 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C00 : Mechanical Work C01 : Elevation Brake Problem C14 : Structural Repair Work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 25 Jun 2019 13:00:00 - 25 Jun 2019 23:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 8 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 6.2500 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF1 : 1460 1460 GPU_DDCLO1 : 0.0000 0.0000 GPU_SB1 : 1 1 GCODE1 : SUBA1 GPU_RF2 : 1460 1460 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : SUBA2 GPU_RF3 : 1460 1460 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : SUBA3 GPU_RF4 : 1450 1450 GPU_DDCLO4 : 33.2300 33.2300 GPU_SB4 : 1 1 GCODE4 : 36_062 GPU_RF5 : 0 0 GPU_DDCLO5 : 0.0000 0.0000 GPU_SB5 : 1 1 GCODE5 : SUBA5 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 128 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 13:00 : Setup started. 13:30 : command file started.. /odisk/gtac/cmd/chengalu/agc219200.cmd 15:15 : C01 released for observations. 17:00 : C14 released for observations. 17:15 : C00 released for observations. 22:37 : Source set below horizon, stopped command file. 22:38 : Started scan on phase cal (1120+143). 22:49 : Started scan on 3C286.