GTAC Observation Log 1. Date : 25/04/2022 2. Observation Sr. No. : 14109 3. Observer : Nayana AJ, G.C. Anupama, Nirupam Roy, Dipankar Banerjee, KP Singh, U S Kamath, Sonith L.S 4. Observer\'s Email : nayan89deva@gmail.com, gca@iiap.res.in, roy.nirupam@gmail.com, orion@prl.res.in, kulinderpal@gmail.com, uskamath@iiap.res.in, sonith.ls@iiap.res.in 5. Project Name : uGMRT follow-up observations of the recurrent nova RS Ophiuchi in its 2021 outburst 6. Project Code : 42_083 7. Operator(s) : Shriram 8. Command File : /data1/gtac/cmd/42_083/42_083_25Apr2022_0000_cmd.py, /data1/gtac/cmd/42_083/42_083_25Apr2022_0100_cmd.py, /data1/gtac/cmd/42_083/42_083_25Apr2022_0200_cmd.py, /data1/gtac/cmd/42_083/42_083_25Apr2022_0300_cmd.py 9. LTA File : /gsbifrdata1/25apr/42_083_25apr2022_gsb.lta, /gsbifrdata1/25apr/42_083_25apr2022_band5_gsb.lta, /gsbifrdata1/25apr/42_083_25apr2022_band4_gsb.lta, /gsbifrdata1/25apr/42_083_25apr2022_b4_gsb.lta, /gsbifrdata1/25apr/42_083_25apr2022_b3_gsb.lta, /gsbifrdata1/25apr/42_083_25apr2022_b2_gsb.lta, /gwbifrdata1/25apr/42_083_25apr2022_gwb.lta, /gwbifrdata1/25apr/42_083_25apr2022_band5_gwb.lta, /gwbifrdata1/25apr/42_083_25apr2022_band4_gwb.lta, /gwbifrdata1/25apr/42_083_25apr2022_b4_gwb.lta, /gwbifrdata1/25apr/42_083_25apr2022_b3_gwb.lta, /gwbifrdata1/25apr/42_083_25apr2022_b2_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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/TGC 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) : 1409 1409 1460 1460 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. W06 : LMC down 33. Note for Backup :Note- : Due to scintillation observation repeated for band 4 and band 5 in white slot. 34. Start and End Time of Obs.(IST): 25 Apr 2022 00:00:00 - 25 Apr 2022 07:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : -1 -1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 42_083 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------- 23:50 : Started settings. 00:05 : Started command file, \'/data1/gtac/cmd/42_083/42_083_25Apr2022_0000_cmd.py\' 00:58 : Command file stopped and observation session over. -------------------------------------------------------------------------- ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 42_083 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------- 01:00 : Started settings. 01:15 : Started command file, \'/data1/gtac/cmd/42_083/42_083_25Apr2022_0100_cmd.py\' 02:00 : Command file stopped and observing session over. -------------------------------------------------------------------------- ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : -1 -1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 42_083 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------- 02:00 : Started settings. 02:15 : Started command file, \'/data1/gtac/cmd/42_083/42_083_25Apr2022_0200_cmd.py\' 03:06 : Command file stopped and observing session over. -------------------------------------------------------------------------- ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : -1 -1 GPU_RF4 : 300 300 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 42_083 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------- 03:05 : Started settings. 03:22 : Started command file, \'/data1/gtac/cmd/42_083/42_083_25Apr2022_0300_cmd.py\' 04:11 : Command file stopped and observing session over. -------------------------------------------------------------------------- -------------------------------------------------------------------------- Note- : Due to scintillation repeated observation for band 4 and band 5 ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 42_083 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------- ----------------------------------------------------------------------- 04:37:51 : Started scan on 3C286 for ~ 7.15827 min. 04:50:50 : Started scan on 1822-096 for ~ 5.01079 min. 04:57:58 : Started scan on RSOPH for ~ 20.2221 min. 05:20:17 : Started scan on 1822-096 for ~ 5.01079 min. -------------------------------------------------------------------------- ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : -1 -1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 42_083 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------------------------------------------------- ----------------------------------------------------------------------- 06:06:28 : Started scan on 1822-096 for ~ 5.18975 min. 06:13:37 : Started scan on RSOPH for ~ 20.2221 min. 06:35:40 : Started scan on 1822-096 for ~ 5.18975 min. 06:49:54 : Started scan on 3C48 for ~ 7.04227 min. 07:00:00 : Scan stopped and observation session over. -----------------------------------------------------------------------