GTAC Observation Log 1. Date : 31/01/2015 2. Observation Sr. No. : 7581 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 : 27_045 7. Operator(s) : Deepak, Navnath, Pramod, Sachin 8. Command File : /odisk/gtac/cmd/27_045/27_045_S09.January30.IST23.obs.cmd 9. LTA File : /gsbifrdata/30jan/27_045_30jan2015_s9.lta 10. LogFlag File : /odisk/online1/logflags/27_045.FLAGS.9 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1366 MHz ,RF2 : 1366 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1305 MHz, ILO2 : 1305MHz , IVLO1 : 61 MHz, IVLO2 : 61 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 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 # 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 139 28. LO5 -2 : 166 29. Frequency Parameters (TPA) : 1366 1366 1305 1305 61 61 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : E04 & W04 : Under maintenance. S04 : ABC time out. W02 : No feed cage painting. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 30 Jan 2015 23:00:00 - 31 Jan 2015 07:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 22:56 : Started scan on 3C147. 23:20 : Started command file. 06:46 : Stopped command file. 06:49 : Started scan on 3C286. 07:05 : Stopped scan and closed observation session.