GTAC Observation Log 1. Date : 24/04/2019 2. Observation Sr. No. : 11014 3. Observer : Bhaswati Bhattacharyya, Jayanta Roy, Ben Stappers, Michael Keith, Sally Cooper, Mateusz Malenta, Maura Ann McLaughlin, Paul Ray, Scott M. Ransom, Jayaram Narayanan Chengalur, Andrew Lyne, Sanjay S. Kudale, Balpreet Kaur 4. Observer's Email : bhaswati.bhattacharyya78@gmail.com, jroy@ncra.tifr.res.in, Ben.Stappers@manchester.ac.uk, mkeith@pulsarastronomy.net, sally.cooper@postgrad.manchester.ac.uk,tgc@gmrt,ncra.tifr.res.in mateusz.malenta@student.manchester.ac.uk, maura.mclaughlin@mail.wvu.edu, paul.ray@nrl.navy.mil, sransom@nrao.edu, chengalur@ncra.tifr.res.in, andrew.lyne@manchester.ac.uk, ksanjay@gmrt.ncra.tifr.res.in, simpy9726@gmail.com 5. Project Name : Follow up study of pulsars discovered in the GMRT High Resolution Southern Sky (GHRSS) survey 6. Project Code : 36_049 7. Operator(s) : Navnath 8. Command File : /odisk/gtac/cmd/jroy/36_049_24apr.cmd 9. LTA File : /gsbifrdata/24apr/36_049_24apr2019_gsb.lta, /gwbifrdata1/24apr/36_049_24apr2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_049.FLAGS.1 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 : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : W06 : OFC Cut. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 24 Apr 2019 07:00:00 - 24 Apr 2019 10:30:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : -------------------------------------------------------------------' ONLINE : TGC : Observation Failed Full time May be Given As Makeup to USER ------------------------------------------------------------------- 07:00 :Started setup RF,LO1,IF using old mcm control. 07:15 :Started corr backing in using OLD corr control : Fringes check done 07:30 : power equalization for GSB and GWB done on 3C48 : Closed DAS Chain. 07:40 : Started Correlation BACKED Configuration using TGC. : Corr Corr config done. : Resaved setting of gpu.hdr for beam4 PA once again using old. 08:00 : Corr Config successful after restarting DS of dataserver and corrctl. 08:10 : Started power eq one more iteration on 2225-049 : Tracking problem : C01,C05,C11,W03,W05,W06,S02 -- Not tacking track array command. 08:18:51 : Started scan on 2225-049 for ~ 7.61685 min. 08:20 : Phasing done for both GSB and GWB. 08:27:00 : Started scan on 2225-049 for ~ 2.34881 min. 08:30 : Started command file using TGC. cmcuser@cmsserver:deepak/utility_scripts/jroy/36_049_24apr.py 08:40 : gotosrc taking very long time : Tracking stopped for non working ants by applying brakes command 08:48 : Started scan on 2225-049 for ~ 13.0191 min. 09:24 : Started scan on J2144-5237 for ~ 0.335544 min. : Phase Center was not matching : Source got Set(Below horizon) till we could debug/fix problem. 09:30 : Observation session Colosed ::::::::::::: gsb_gac.dat :::::::::::::: # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C02 C03 C04 C06 C08 C09 C10 C13 C14 E02 E03 S01 S03 W01 W02 Total=16 # BEAM-1:175 :: C00 C02 C03 C04 C06 C08 C09 C10 C13 C14 E02 E03 S01 S03 W01 W02 Total=16 # BEAM-2:130 :: C00 C02 C03 C04 C06 C08 C09 C10 C13 C14 E02 E03 S01 S03 W01 W02 Total=16 # BEAM-2:175 :: C00 C02 C03 C04 C06 C08 C09 C10 C13 C14 E02 E03 S01 S03 W01 W02 Total=16 :::::::::::::: gwb_gac.dat :::::::::::::: # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C02 C03 C04 C06 C08 C09 C10 C13 C14 E02 E03 S01 S03 W01 W02 Total=16 # BEAM-1:175 :: C00 C02 C03 C04 C06 C08 C09 C10 C13 C14 E02 E03 S01 S03 W01 W02 Total=16 # BEAM-2:130 :: Total=0 # BEAM-2:175 :: Total=0 # BEAM-3:130 :: Total=0 # BEAM-3:175 :: Total=0 # BEAM-4:130 :: C00 C02 C03 C04 C06 C08 C09 C10 C13 C14 E02 E03 S01 S03 W01 W02 Total=16 # BEAM-4:175 :: C00 C02 C03 C04 C06 C08 C09 C10 C13 C14 E02 E03 S01 S03 W01 W02 Total=16