GTAC Observation Log 1. Date : 21/08/2017 2. Observation Sr. No. : 9691 3. Observer : Mamta Pandey-Pommier, Neeraj Gupta, Nirupam Roy, Francoise Combes 4. Observer's Email : mamtapan@gmail.com, ngupta@iucaa.in, roy.nirupam@gmail.com, francoise.combes@obspm.fr 5. Project Name : HI in the Cooling Flow Clusters 6. Project Code : 32_062 7. Operator(s) : Deepak, Nilesh, Pramod, Sachin, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/32_062/s1_continuum-1420_21Aug17.cmd 9. LTA File : /gsbifrdata1/21aug/32_062_21aug2017.lta.3, /gsbifrdata1/21aug/32_062_21aug2017.lta.2, /gsbifrdata1/21aug/32_062_21aug2017.lta.1, /gsbifrdata1/21aug/32_062_21aug2017.lta 10. LogFlag File : /odisk/online1/logflags/32_062.FLAGS.2, /odisk/online1/logflags/32_062.FLAGS.1, /odisk/online1/logflags/32_062.FLAGS 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 : 1320 MHz, ILO2 : 1320MHz , IVLO1 : 51 MHz, IVLO2 : 51 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 : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 1371 1371 1320 1320 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :25 32. Name of Non-Working Antennas (with reason for each) : C05 : Servo problem. E06 : Frequently getting reset. W02 : Servo problem. C10 : Frequently applying elevation brakes. C09 : 175pol low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 Aug 2017 02:30:00 - 21 Aug 2017 18:05:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 02:30 : Started settings. 02:43 : Started scan on 3C48 for 15min. 03:02 : '/odisk/gtac/cmd/32_062/s1_continuum-1420_21Aug17.cmd' command file started. 04:47 : C10 started working. 07:45 : Stopped command file. 07:50 : Started scan on 3C147. 08:00 : Stopped scan. ---------------------------------------------- ---------------------------------------------- 08:00 : Changed Set-up for line for S1 source 08:00 : E02 175 low fringe. 08:05:56 : Started scan on 3C147 for ~ 9.9321 min. 08:16:00 : W02 Released for observation. 08:17:00 : C14 Servo Problem. 08:21:51 : Started scan on 0240-231 for ~ 4.83183 min. 08:29:57 : Started scan on NGC1399 for ~ 25.2329 min. 08:56:45 : Started scan on 0240-231 for ~ 4.83183 min. 09:00:00 : C10 released for observation. 09:05:08 : Started scan on NGC1399 for ~ 25.2329 min. 09:31:54 : Started scan on 0240-231 for ~ 0 min. 09:32:28 : Started scan on 0240-231 for ~ 0 min. 09:33:57 : Started scan on 0440-435 for ~ 5.3687 min. 09:44:22 : Started scan on 3C147 for ~ 10.7374 min. 90:45:00 : Stopped scan. ------------------------------------------------------------ ------------------------------------------------------------ 10:00 : Changed Set-up for line for S2 source. ------------------------------------------------- ----------------------------------------------------------------------- 10:06:00 : Started scan on 3C147 for ~ 9.66367 min. 10:22:50 : Started scan on 0837-198 for ~ 4.5634 min. Note : From 10:31 to : 10:41 : C13 Taken for feed work. 10:31:06 : Started scan on R0747 for ~ 24.9645 min. 10:57:25 : Started scan on 0837-198 for ~ 4.83183 min. 11:05:34 : Started scan on R0747 for ~ 24.9645 min. 11:32:21 : Started scan on 0837-198 for ~ 4.5634 min. 11:41:04 : Started scan on R0747 for ~ 16.643 min. 11:58:43 : Started scan on 0837-198 for ~ 4.83183 min. 12:12:25 : Started scan on 3C286 for ~ 9.66367 min. 12:12:00 : C09 Released for observation. 12:12 : C01 taken for FE work. ------------------------------------------------------------- 12:00 : Changed Set-up for line for S3 source. ----------------------------------------------------------- 12:24:05 : Started scan on 1330+251 for ~ 4.83183 min. 12:32:20 : Started scan on A1795 for ~ 25.2329 min. 12:59:27 : Started scan on 1330+251 for ~ 4.83183 min. 13:07:36 : Started scan on A1795 for ~ 25.5013 min. 13:34:06 : Started scan on 1330+251 for ~ 4.83183 min. 13:40:58 : Started scan on 3C286 for ~ 9.9321 min. 13:40:00 : E06 Released for observation. ---------------------------------------------------------------------- 14:00:00: Changed Set-up for line for S4 source. ---------------------------------------------------------------------- 14:02:13 : Started scan on 1316-336 for ~ 4.83183 min. 14:11:05 : Started scan on A3581 for ~ 25.5013 min. 14:37:44 : Started scan on 1316-336 for ~ 4.5634 min. 14:46:04 : Started scan on A3581 for ~ 25.5013 min. 15:12:57 : Started scan on 1316-336 for ~ 4.83183 min. 15:21:07 : Started scan on A3581 for ~ 25.5013 min. 15:48:01 : Started scan on 1316-336 for ~ 4.83183 min. 15:59:27 : Started scan on 3C286 for ~ 10.2005 min. Started another command file. 15:59:27 : Started scan on 3C286 for ~ 10.469 min. 16:14:45 : Started scan on 1445+099 for ~ 4.5634 min. 16:22:53 : Started scan on A2052 for ~ 25.5013 min. 16:49:28 : Started scan on 1445+099 for ~ 4.83183 min. 16:57:40 : Started scan on A2052 for ~ 25.5013 min. 17:24:57 : Started scan on 1445+099 for ~ 4.83183 min. 17:33:12 : Started scan on A2052 for ~ 6.71088 min. 17:45:33 : Started scan on 3C286 for ~ 0 min. 17:46:23 : Started scan on 3C286 for ~ 16.3745 min. 18:00 : Stopped observation session.