GTAC Observation Log 1. Date : 20/05/2019 2. Observation Sr. No. : 11090 3. Observer : Jayaram Narayanan Chengalur, Simon Pustilnik 4. Observer's Email : chengalur@ncra.tifr.res.in, sap@sao.ru 5. Project Name : HI Observations of gas-rich/XMP void dwarf galaxies 6. Project Code : 36_045 7. Operator(s) : Pramod, Rupsing 8. Command File : /odisk/gtac/cmd/chengalu/agc114584.cmd 9. LTA File : /gsbifrdata1/20may/36_045_20may2019_gsb.lta, /gwbifrdata1/20may/36_045_20may2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_045.FLAGS.3, /odisk/online1/logflags/36_045.FLAGS.2 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1404.8535 MHz ,RF2 : 1404.8535 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1345 MHz, ILO2 : 1345MHz , IVLO1 : 59.8535 MHz, IVLO2 : 59.8535 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 : 4 MHz; Step # 2 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 140.1465 28. LO5 -2 : 164.8535 29. Frequency Parameters (TPA) : 1404.8535 1404.8535 1345 1345 59.8535 59.8535 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : S06 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 20 May 2019 05:00:00 - 20 May 2019 15:07:00 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 : 2 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_RF4 : 1450 1450 GPU_DDCLO4 : 32.2300 32.2300 GPU_SB4 : 1 1 GCODE4 : 36_045 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 ------------------------------------------------------------------------ 05:10 : Started scan on 3C48. 05:20 : Stopped scan and started command file. '/odisk/gtac/cmd/chengalu/agc114584.cmd' 10:23 : C00 and C14 Taken for mechanical work. 10:32 : C01 Taken for mechanical work. 12:25 : C01 released for observation. 14:46 : Stopped command file. 14:47 : Started scan on 3C48. 15:06 : Stopped scan and observation session is over.