GTAC Observation Log 1. Date : 16/08/2021 2. Observation Sr. No. : 13410 3. Observer : Prerna Rana, Jaikhomba Singha, Mayuresh Surnis, BHAL CHANDRA JOSHI, Yogesh Maan, Pratik Tarafdar, Raghav Prafulla Girgaonkar, Neel Kolhe, Nikita Agarwal, Shantanu Desai, Prabu Thiagaraj, Adarsh Bathula, Subhajit Dandapat, Shinnosuke Hisano, Ryo Kato, Divyansh Kharbanda, Tomonosuke Kikunaga, Piyush Marmat, SAICHAITANYA SUSARLA, Manjari Bagchi, Gopakumar Achamveedu, Yashwant Gupta 4. Observer\'s Email : prerna.rana92@gmail.com, mjaikhomba@gmail.com, msurnis@gmail.com, bcj@ncra.tifr.res.in, ymaan4@gmail.com, pratikta16@gmail.com, raghav.girgaonkar@gmail.com, kolhe.sci@gmail.com, nikitaagar2503@gmail.com, shntn05@gmail.com, prabu@rri.res.in, abathula8055@gmail.com, subhajit.phy97@gmail.com, 145s3023hs@gmail.com, rkato@sci.osaka-cu.ac.jp, ep19btech11002@iith.ac.in, amqmysuto@gmail.com, pmarmat@ph.iitr.ac.in, saichaitanya16@iisertvm.ac.in, manjari.bagchi@gmail.com, gopu.tifr@gmail.com, ygupta@ncra.tifr.res.in 5. Project Name : Continued high cadence follow up of a transient event in PSR J1713\\\\+0747 6. Project Code : ddtC199 7. Operator(s) : Pramod, Shilpa, Shriram, Surender 8. Command File : /data1/gtac/cmd/ddtc199/16aug21/obs.py 9. LTA File : /gwbifrdata1/16aug/ddtc199_16aug2021_gwb.lta 10. LogFlag File : 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/TGC 18. GSB Fstop : ON 19. GAIN EQ : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : Volt 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 : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E06 175 pol no fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 16 Aug 2021 22:00:00 - 16 Aug 2021 23:25:00 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 : 8 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : DDTC199 GPU_CNTRL : TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : VOLTAGE GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 4 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 : 8 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED ------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=16 # BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=16 -------------------------------------------------------------------------- 22:00 : Started set up. 22:15 : Power equalized done on 3C468.1. 22:18 : Started command file. \'/data1/gtac/cmd/ddtc199/16aug21/obs.py\' 23:25 : Command file stopped and observing session over.