GTAC Observation Log 1. Date : 20/05/2018 2. Observation Sr. No. : 10275 3. Observer : Loredana Bassani, Raffaella Morganti, Francesco Ursini, Vanessa Moss, Francesca Panessa, Suma Murthy, Angela Malizia 4. Observer's Email : bassani@iasfbo.inaf.it, morganti@astron.nl, ursini@iasfbo.inaf.it, vmoss.astro@gmail.com, francesca.panessa@iaps.inaf.it, murthy@astro.rug.nl, malizia@iasfbo.inaf.it 5. Project Name : HI absorption in extended radio galaxies 6. Project Code : 34_052 7. Operator(s) : Deepak, Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/suma/3c105.cmd,, /odisk/gtac/cmd/suma/pks0707-35.cmd 9. LTA File : /gsbifrdata/20may/34_052_20may2018.lta.1, /gsbifrdata/20may/34_052_20may2018.lta 10. LogFlag File : /odisk/online1/logflags/34_052.FLAGS.12, /odisk/online1/logflags/34_052.FLAGS.11, /odisk/online1/logflags/34_052.FLAGS.10 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1297 MHz ,RF2 : 1297 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1235 MHz, ILO2 : 1235MHz , 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_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 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 1297 1297 1235 1235 62 62 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) : C05 : For painting. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 20 May 2018 12:40:00 - 20 May 2018 16:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 12:40 : Started settings. --------------------------------------------------------------------------- Settings for source 1: --------------------------------------------------------------------------- Target source : 3C105 Flux calibrator : 3C48 Phase calibrator: 0339-017 Line frequency : 1304.3 MHz All ALCs ON RF Band : 1280 MHz LO(1) : 1235 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 1297 1297 1235 1235 62 62 The band should cover 1297 - 1313.67 MHz. 12:52 : '/odisk/gtac/cmd/suma/3c105.cmd' command file started. 14:14 : Stopped command file. --------------------------------------------------------------------------- --------------------------------------------------------------------------- --------------------------------------------------------------------------- Settings for source 2: --------------------------------------------------------------------------- Source list : /odisk/gtac/source/suma.list Command file : /odisk/gtac/cmd/suma/PKS0707-35.cmd Target source : PKS0707-35 Flux calibrator : 3C48 Phase calibrator: 0729-366 Line frequency : 1278.7 MHz All ALCs ON RF Band : 1280 MHz LO(1) : 1210 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 1272 1272 1210 1210 62 62 The band should cover 1272 - 1288.67 MHz. 14:29 : '/odisk/gtac/cmd/suma/pks0707-35.cmd' command file started. 15:53 : Stopped command file and observation closed.