GTAC Observation Log 1. Date : 20/12/2019 2. Observation Sr. No. : 11701 3. Observer : Jayaram Narayanan Chengalur, Sangeeta Malhotra, James Ely Rhoads, Nissim Kanekar, Huan Yang, Tianxing Jiang, Sushma Kurapati, Tapasi Ghosh 4. Observer's Email : chengalur@ncra.tifr.res.in, Sangeeta.Malhotra@nasa.gov, James.E.Rhoads@nasa.gov, nkanekar@ncra.tifr.res.in, hyang@carnegiescience.edu, txjiangastro@gmail.com, sushma@ncra.tifr.res.in, tghosh@naic.edu 5. Project Name : Imaging the HI 21cm line and radio continuum emission in Green Peas: Local analogs of high redshift Lyman-alpha emitters 6. Project Code : 37_056 7. Operator(s) : Sachin 8. Command File : /odisk/gtac/cmd/chengalu/obs.cmd 9. LTA File : /gsbifrdata1/20dec/37_056_20dec2019_gsb.lta, /gwbifrdata1/20dec/37_056_20dec2019_gwb.lta.1, /gwbifrdata1/20dec/37_056_20dec2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/37_056.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1372 MHz ,RF2 : 1372 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1435 MHz, ILO2 : 1435MHz , IVLO1 : 63 MHz, IVLO2 : 63 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 : 4 MHz; Step # 1 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 137 28. LO5 -2 : 168 29. Frequency Parameters (TPA) : 1372 1372 1435 1435 63 63 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C04 : Maintenance. C03 : Maintenance. C10 : Maintenance. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 20 Dec 2019 16:00:00 - 20 Dec 2019 22:20:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :30 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 100.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1330 1330 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 37_056 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 : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 16:23:06 : Started scan on 3C48 for ~ 6.8451 min. 16:32:16 : Started scan on 0204+152 for ~ 4.96605 min. 16:40:34 : Started scan on GP0213+0056 for ~ 44.2918 min. 17:26:06 : Started scan on 0204+152 for ~ 4.96605 min. 17:30 : C03,C04 and C10 released for observation. 17:34:21 : Started scan on GP0213+0056 for ~ 44.0234 min. 18:19:37 : Started scan on 0204+152 for ~ 4.96605 min. 18:27:56 : Started scan on GP0213+0056 for ~ 44.0234 min. 19:13:25 : Started scan on 0204+152 for ~ 4.83183 min. 19:21:37 : Started scan on GP0213+0056 for ~ 44.0234 min. 20:07:21 : Started scan on 0204+152 for ~ 4.83183 min. 20:15:26 : Started scan on GP0213+0056 for ~ 44.0234 min. 21:01:30 : Started scan on 0204+152 for ~ 4.96605 min. 21:09:34 : Started scan on GP0213+0056 for ~ 44.0234 min. 21:55:26 : Started scan on 0204+152 for ~ 4.83183 min. 22:03:39 : Started scan on 3C48 for ~ 10.41592 min. 22:10 : Stopped scan and closed observation session.