GTAC Observation Log 1. Date : 26/06/2019 2. Observation Sr. No. : 11188 3. Observer : Huib Intema 4. Observer's Email : huib.intema@curtin.edu.au,rupsing@gmrt.ncra.tifr.res.in 5. Project Name : Follow-up of a serendipitously discovered radio ring 6. Project Code : 36_004 7. Operator(s) : Rupsing 8. Command File : /odisk/gtac/cmd/36_004/obs_21jun19.cmd 9. LTA File : /gsbifrdata1/21jun/36_004_21jun2019_gsb.lta, /gwbifrdata/21jun/36_004_21jun2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_004.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 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_shivneri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Full_Stokes 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) : 591 591 540 540 51 51 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) : W06 MCM time out. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 Jun 2019 23:00:00 - 22 Jun 2019 02:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 23:05 : Setup done. ------------------------------------------------------------------------- Correlator Mode : Full Stokes Beam Mode (Pulsar) : OFF Channel nos : 2048 Radio Frequency Band : uGMRT Band 4 (550-850 MHz) Observation Type : Continuum Band Width : 200 MHz RF: 550 MHz ------------------------------------------------------------------------- 23:09:15 : Started scan on 3C286 for ~ 11.1401 min. 23:24:00 : Started command file. 23:24:16 : Started scan on RING for ~ 39.9968 min. 00:05:24 : Started scan on 1609+266 for ~ 3.89231 min. 00:12:43 : Started scan on RING for ~ 39.8626 min. 00:53:45 : Started scan on 1609+266 for ~ 3.89231 min. 01:01:04 : Started scan on RING for ~ 39.8626 min. 01:42:07 : Started scan on 1609+266 for ~ 3.89231 min. 01:46:00 : Stopped command file. 01:50:21 : Started scan on 3C468.1 for ~ 11.5427 min. 02:01:00 : Stopped scan and observation session over.