GTAC Observation Log 1. Date : 11/02/2017 2. Observation Sr. No. : 9190 3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Manjari Bagchi, Sushan Konar, Niruj Mohan, Poonam Chandra, Mayuresh Surnis, Gopakumar Achamveedu, Debades Bandyopadhyay, Dipankar Bhattacharya, Avinash Anant Deshpande, Biprateep Dey, Vishal R Gajjar, Sanjay S. Kudale, Yogesh Maan, Chandreyee Maitra, Nikhil Vijay Naik, Sachindra Naik, Paramasivan Arumugam, Alak Ray 4. Observer's Email : ygupta@ncra.tifr.res.in, bcj@ncra.tifr.res.in, manjari.bagchi@gmail.com, sushan@ncra.tifr.res.in, mohan@ncra.tifr.res.in, poonam@ncra.tifr.res.in, mpsurnis@ncra.tifr.res.in, gopu.tifr@gmail.com, 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, chandreyeee@gmail.com, naiknikhil27@gmail.com, snaik.prl@gmail.com, p.arumugam@gmail.com, akr@tifr.res.in 5. Project Name : Survey for Pulsars and Fast Transients with the upgraded GMRT : A Pilot Study 6. Project Code : 31_058 7. Operator(s) : Nilesh, Sachin, Surender 8. Command File : /odisk/gtac/cmd/31_058/31_058_2017-02-11_CNST_DEC01.cmd.txt 9. LTA File : /gsbifrdata/11feb/31_058_11feb2017.lta, /gwbifrdata/11feb/31_058_11feb2017.lta.2, /gwbifrdata/11feb/31_058_11feb2017.lta.1, /gwbifrdata/11feb/31_058_11feb2017.lta 10. LogFlag File : /odisk/online1/logflags/31_058.FLAGS.6 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 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) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : 33. Note for Backup : 34. Start and End Time of Obs.(IST): 11 Feb 2017 02:00:00 - 11 Feb 2017 12:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 Total=16 # BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 Total=16 # BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 Total=16 # BEAM-2:175 :: Total=0 GWB setting: Total Intensity, BW-200MHz ,Channels-2K, Psr int-8 ---------------------------------------------------------------------- 02:19:00 : Started set-up. 02:25:00 : GWB3 Phasing problem. 04:10:00 : Started command file. /odisk/gtac/cmd/31_058/31_058_2017-02-11_CNST_DEC01.cmd.txt 08:18 : Commnad file stopped. Changed GAC # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 Total=16 # BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 Total=16 # BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 Total=16 # BEAM-2:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 Total=16 08:20 : Started next command file /odisk/gtac/cmd/31_058/obsn02.cmd. 09:00 : Closed previous command file and started next command file. /odisk/gtac/cmd/31_058/obsn03.cmd. 11:55 : Stopped command file and closed observation session.