GTAC Observation Log 1. Date : 29/09/2018 2. Observation Sr. No. : 10568 3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Manjari Bagchi, Sushan Konar, Biplab Bijay, Mayuresh Surnis, Debades Bandyopadhyay, Dipankar Bhattacharya, Avinash Anant Deshpande, Biprateep Dey, Vishal R Gajjar, Sanjay S. Kudale, Yogesh Maan, Sachindra Naik, Alak Ray, Boris Sindhu Kalita, Sajad Ahmad Bhat, Prakash Arumugasamy 4. Observer's Email : ygupta@ncra.tifr.res.in, bcj@ncra.tifr.res.in, manjari.bagchi@gmail.com, sushan@ncra.tifr.res.in, biplab@ncra.tifr.res.in, mpsurnis@ncra.tifr.res.in, debades.bandyopadhyay@saha.ac.in, dipankar@iucaa.in, desh@rri.res.in, biprateep.d@niser.ac.in, gajjar@ncra.tifr.res.in, ksanjay@gmrt.ncra.tifr.res.in, maan@astron.nl, snaik.prl@gmail.com, akr@tifr.res.in, boris.kalita@ncra.tifr.res.in, sajadtarigami@gmail.com, prakash@ncra.tifr.res.in 5. Project Name : Survey for Pulsars and Fast Transients with the upgraded GMRT : Pilot follow-up 6. Project Code : 34_075 7. Operator(s) : Navnath, Nilesh, Pramod, Rupsing 8. Command File : /odisk/gtac/cmd/biplab/34_075_2018-09-29.cmd 9. LTA File : /gwbifrdata2/29sep/34_075_29sep2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/34_075.FLAGS.12 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 : 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) : 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 : Antenna reflector surface refurbishment 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 Sep 2018 15:00:00 - 29 Sep 2018 22:10:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 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 : 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 : 34_075 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : IA GPU_BM_INT : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF ------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-4:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S04 S06 W03 W05 Total=24 # BEAM-4:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S04 S06 W03 W05 Total=24 -------------------------------------------------------------------------- Note : S03,E06 removed from GAC. 14:55 : Power eq on 3C286 15:02 : Started scan on 3C286. 15:04 : Stopped scan -------------------------------------------------------------------------- 15:11 : Started command file 16:45 : W06 released for observation but not added in GAC because of Phase cal was not present in command file. -------------------------------------------------------------------------- 20:16 : C11 ABC time out and remove from GAC. 22:00 : Stopped command file and observation session is over.