GTAC Observation Log 1. Date : 09/02/2019 2. Observation Sr. No. : 10876 3. Observer : Suma Murthy, Raffaella Morganti, Nissim Kanekar, Tom Oosterloo 4. Observer's Email : murthy@astro.rug.nl, morganti@astron.nl, nkanekar@ncra.tifr.res.in, oosterloo@astron.nl 5. Project Name : HI in High Redshift Radio Galaxies 6. Project Code : 35_081 7. Operator(s) : Nilesh, Pramod, Shilpa 8. Command File : /odisk/gtac/cmd/nissim/j0512\+6030.cmd, /odisk/gtac/cmd/nissim/j0617\+5012.cmd, /odisk/gtac/cmd/nissim/j1116-1806.cmd 9. LTA File : /gsbifrdata/08feb/35_081_08feb2019_gsb.lta.1, /gwbifrdata1/08feb/35_081_08feb2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/35_081.FLAGS.8 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 288 MHz ,RF2 : 288 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 226 MHz, ILO2 : 226MHz , IVLO1 : 62 MHz, IVLO2 : 62 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_lenyadri 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 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 288 288 226 226 62 62 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : S01 - Servo problem, Not releasing brakes. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 08 Feb 2019 22:00:00 - 09 Feb 2019 04:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : ------------GWB Setting---------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 250 250 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 35_081 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 --------------------------------------------------------------------------- 22:00 : Started settings. Target source : J0512+6030, J0650+4130 Flux calibrator : 3C147 Phase calibrator: 3C147, 0702+445 Line frequency : 296.5 MHz All ALCs ON RF Band : 470 MHz (FULL band) LO(1) : 226 MHz LO(5) : 138 167 MHz LO(4) : 62 MHz IF BW : 18 MHz Baseband BW : 16.67 MHz Step : 0 Channels : 512 lta : 8m TPA 288 288 226 226 62 62 22:20 : '/odisk/gtac/cmd/nissim/j0512+6030.cmd' command file started. 00:37 : Stopped command file and changed GSB settings. Target source : J0617+5012 Flux calibrator : 3C147 Phase calibrator: 3C147 Line frequency : 342 MHz All ALCs ON RF Band : 470 MHz (FULL band) LO(1) : 272 MHz LO(5) : 138 167 MHz LO(4) : 62 MHz IF BW : 18 MHz Baseband BW : 16.67 MHz Step : 0 Channels : 512 lta : 8m TPA 334 334 272 272 62 62 00:41 : Started command file. /odisk/gtac/cmd/nissim/j0617+5012.cmd 02:04 : Stopped command file and changed GSB settings. Target source : J1116-1806 Flux calibrator : 3C147 Phase calibrator: 1142-116 Line frequency : 438.5 MHz All ALCs ON RF Band : 470 MHz (FULL band) LO(1) : 510 MHz LO(5) : 138 167 MHz LO(4) : 62 MHz IF BW : 18 MHz Baseband BW : 16.67 MHz Step : 0 Channels : 512 lta : 8m TPA 448 448 510 510 62 62 02:06 : Started command file. /odisk/gtac/cmd/nissim/j1116-1806.cmd 02:15 : S01 - Servo problem, Not releasing brakes. 03:44 : Stopped command file. 03:45:21 : Started scan on 1142-116 for ~ 4.83183 min. 03:56:20 : Started scan on 3C286 for ~ 6.97932 min. 04:05 : Stopped scan and observation closed.