GTAC Observation Log 1. Date : 24/03/2017 2. Observation Sr. No. : 9280 3. Observer : Peter Kamphuis, Baerbel Silvia Koribalski, Paolo Serra, Lister Staveley-Smith, Danail Obreschkow, Thomas Martinsson, Kristine Spekkens, Gyula I.G. Józsa, George Heald, Julia Bryant, James Allen, Boris Zhivkov Deshev, Attila Popping, Jayaram Narayanan Chengalur, Tobias Westmeier, Martin Meyer, Wang, Oh, Johnson, Barbara Catinella, Luca Cortese 4. Observer's Email : peterkamphuisastronomy@gmail.com, Baerbel.Koribalski@csiro.au, serra@astron.nl, Lister.Staveley-Smith@uwa.edu.au, danail.obreschkow@gmail.com, martinsson@astro.rug.nl, kristine.spekkens@rmc.ca, gjozsa@ska.ac.za, heald@astron.nl, jbryant@physics.usyd.edu.au, j.allen@physics.usyd.edu.au, boris@to.ee, attila.popping@uwa.edu.au, chengalur@ncra.tifr.res.in, tobias.westmeier@uwa.edu.au, martin.meyer@uwa.edu.au, j.wang@csiro.au, se-heon.oh@uwa.edu.au, Megan.Johnson@csiro.au, barbara.catinella@uwa.edu.au, luca.cortese@uwa.edu.au 5. Project Name : Bridging the Gap from from Optical to 21cm with the GMRT 6. Project Code : 31_031 7. Operator(s) : Nilesh, Surender 8. Command File : /odisk/gtac/cmd/31_031/23mar2017/obs.cmd, /odisk/gtac/cmd/31_031/24mar2017_1am/obs_J1423\+01.txt 9. LTA File : /gsbifrdata1/23mar/31_031_23mar2017.lta, /gsbifrdata1/24mar/31_031_24mar2017.lta 10. LogFlag File : /odisk/online1/logflags/31_031.FLAGS.9, /odisk/online1/logflags/31_031.FLAGS.8 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1402.9127 MHz ,RF2 : 1402.9127 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1340 MHz, ILO2 : 1340MHz , IVLO1 : 62.9127 MHz, IVLO2 : 62.9127 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 : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 137.0873 28. LO5 -2 : 167.9127 29. Frequency Parameters (TPA) : 1402.9127 1402.9127 1340 1340 62.9127 62.9127 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) : W01 : : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Mar 2017 20:10:00 - 24 Mar 2017 06:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 20:00 : Started settings. 20:10 : E05 taken for Honeycomb removal. 20:17 : Started scan on 3C147 for ~ 13 min. 20:27 : E05 released for observation. 20:30 : E04 taken for Honeycomb removal. 20:37 : Started command file. /odisk/gtac/cmd/31_031/23mar2017/obs.cmd 20:44 : E04 released for observation. 00:35 : Stopped command file. 00:45 : Started scan on 3C286 for 15 mins. 01:00 : Stopped scan. ---------------------------------------------------------- 01:00 : Started new line set-up. ---------------------------------------------------------- 01:08 : Started scan on 3C286 for ~ 10 min. 01:20 : Started command file. 05:44 : Stopped command file. 05:47 : Started scan on 3C286. 06:00 : Stopped scan and observing session over.