GTAC Observation Log 1. Date : 13/07/2019 2. Observation Sr. No. : 11243 3. Observer : Ruta Kale, Joydeep Bagchi, Shishir Sankhyayan, Pratik Dabhade, C.H. IshwaraChandra, Luis C Ho, Huib T Intema, Kshitij Thorat, Somak Raychaudhury, Wendy Williams, Srikrishna Sekhar 4. Observer's Email : ruta@ncra.tifr.res.in, joydeep@iucaa.in, shishir9898@gmail.com, pratikdabhade13@gmail.com, ishwar@ncra.tifr.res.in, lho.pku@gmail.com, intema@strw.leidenuniv.nl, thorat.k@gmail.com, somak@iucaa.in, wwilliams@strw.leidenuniv.nl, srikrishna@idia.ac.za 5. Project Name : Galaxy Evolution and Magnetization in the Saraswati Supercluster (GEMSS): A deep uGMRT Survey of the entire supercluster 6. Project Code : 36_021 7. Operator(s) : Sachin 8. Command File : /odisk/gtac/cmd/36_021/13jul19.cmd 9. LTA File : /gsbifrdata1/13jul/36_021_13jul2019_gsb.lta, /gwbifrdata1/13jul/36_021_13jul2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_021.FLAGS.2 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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 : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : 33. Note for Backup : 34. Start and End Time of Obs.(IST): 13 Jul 2019 01:00:00 - 13 Jul 2019 07:04:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 36_021 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 128 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : Voltage Detection GPU_BEAM_S : OFF -------------------------------- 01:08:49 : Started scan on 3C468.1 for ~ 10.3795 min. 01:24:02 : Started scan on 2225-049 for ~ 5.3687 min. 01:25 : W03 130 pol fringe vanished. 01:32:43 : Started scan on P55 for ~ 20.4011 min. 01:56:14 : Started scan on P56 for ~ 20.4011 min. 02:18:00 : Started scan on 2225-049 for ~ 5.3687 min. 02:26:39 : Started scan on P55 for ~ 20.4011 min. 02:50:30 : Started scan on P56 for ~ 20.4011 min. 03:13:21 : Started scan on 2225-049 for ~ 5.3687 min. 03:22:10 : Started scan on P55 for ~ 20.759 min. 03:46:11 : Started scan on P56 for ~ 20.4011 min. 04:08:37 : Started scan on 2225-049 for ~ 5.3687 min. 04:17:15 : Started scan on P55 for ~ 20.58 min. 04:41:06 : Started scan on P56 for ~ 20.4906 min. 05:03:06 : Started scan on 2225-049 for ~ 5.3687 min. 05:11:46 : Started scan on P55 for ~ 20.4011 min. 05:35:19 : Started scan on P56 for ~ 20.4906 min. 05:57:01 : Started scan on 2225-049 for ~ 5.3687 min. 06:05:42 : Started scan on P55 for ~ 20.4906 min. 06:29:31 : Started scan on P56 for ~ 12.8849 min. 06:44:07 : Started scan on 2225-049 for ~ 5.45818 min. 06:45 : W03 130 pol started working. 06:53:44 : Started scan on 3C48 for ~ 9.9321 min. 07:04:00 : Stopped scan and observing session over.