GTAC Observation Log 1. Date : 29/07/2014 2. Observation Sr. No. : 7255 3. Observer : John Michael Cannon, Stephen Pardy, Göran Östlin, Emily Freeland, Lucia Guaita, Matthew Hayes, Daniel Kunth, Peter Laursen, Jens Melinder, Ivana Orlitova, Hector Oti-Floranes, Johannes Puschnig, Thøger Emil Rivera-Thorsen, Andreas Sandberg, Daniel Schaerer, Anne Verhamme 4. Observer's Email : jcannon@macalester.edu, spardy@astro.wisc.edu, ostlin@astro.su.se, emily@astro.su.se, lguai@astro.su.se, matthew@astro.su.se, kunth@iap.fr, pela@dark-cosmology.dk, jens@astro.su.se, ivana.orlitova@unige.ch, otih@astrosen.unam.mx, johannes.puschnig@astro.su.se, trive@astro.su.se, sandberg@astro.su.se, daniel.schaerer@unige.ch, anne.verhamme@unige.ch 5. Project Name : Neutral Hydrogen in the LARS eLARS Galaxies 6. Project Code : 26_005 7. Operator(s) : Deepak, Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/26_005/jul2014/28jul14_s12.cmd 9. LTA File : /gsbifrdata/28jul/26_005_28jul2014.lta.1,/gsbifrdata/28jul/26_005_28jul2014.lta 10. LogFlag File : /odisk/online1/logflags/26_005.FLAGS.13 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1310 MHz, ILO2 : 1310MHz , IVLO1 : 61 MHz, IVLO2 : 61 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1 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 : 16.666666 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 139 28. LO5 -2 : 166 29. Frequency Parameters (TPA) : 1371 1371 1310 1310 61 61 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 : Not releasing az brakes C09 : No fringe W05 : BLDC work 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Jul 2014 17:35:00 - 29 Jul 2014 02:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : GSB line observation setup RF band= 1390 (1330 - 1450) LO1= 1310 (lower) IFBW= 18 GSB [ACQ] BW= 16.6666 Total Channel= 512 Line/Center Frequency= 1378.503 CH#[0]= 1371 CH#[512]= 1387.6666 BW= 16.6666 CW= 32.55 (KHz.) step#= 0 GSB_CONFIG LO5= 139 166 LTA_FILE L05= 139 166 BASE BAND LO4= 61 61 tpa 1371 1371 1310 1310 61 61 --------------------------------------------------------------------------- 17:35 : Started settings. 17:49 : Started scan on 3C286. 18:04 : Stopped scan. 18:07 : '/odisk/gtac/cmd/26_005/jul2014/28jul14_s12.cmd' command file started. 23:19 : Scan#19 is affected by scintillation. 01:17 : target source is below horizon. 01:25 : started scan on 3C48 for 20mins. 01:30 : scan on flux cal. is affected by scintillation. 02:00 : Observation stopped. 03:00 : Because of scintillation last scan on 3c48 was not good. 03:10 : Started recording on flux cal, 3c48 for 10mins in new LTA file 26_005_28jul2014.lta.1 03:20 : scan stopped.