GTAC Observation Log 1. Date : 02/12/2019 2. Observation Sr. No. : 11643 3. Observer : Chia Min Tan, Ben Stappers, Vladislav Kondratiev, BHAL CHANDRA JOSHI, Yogesh Maan, Jason WilliamThomas Hessels, Patrick Weltevrede, Cees Bassa 4. Observer's Email : chiamin.tan@manchester.ac.uk, Ben.Stappers@manchester.ac.uk, vlad.kondratiev@gmail.com, bcj@ncra.tifr.res.in, maan@astron.nl, hessels@astron.nl, Patrick.Weltevrede@manchester.ac.uk, bassa@astron.nl 5. Project Name : Multi-frequency Observation of the Slowest-Spinning Radio Pulsar with the Giant Metrewave Radio telescope 6. Project Code : 37_070 7. Operator(s) : Sachin, Surender 8. Command File : /odisk/gtac/cmd/bcj/01dec19/37_070_01dec2019.cmd.txt 9. LTA File : /gwbifrdata1/01dec/37_070B_01dec2019_gwb.lta, /gwbifrdata1/01dec/37_070A_01dec2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/37_070B.FLAGS, /odisk/online1/logflags/37_070A.FLAGS.1 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+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) : 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) : C04 : : Taken for Mech Work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 01 Dec 2019 20:00:00 - 02 Dec 2019 02:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 38. 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 : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF3 : 500 500 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : 37_070B GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 37_070A GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : PA GPU_BEAM_3 : OFF GPU_BEAM_4 : PA 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-2:130 :: C00 C05 C10 C11 C13 C14 E03 S01 S02 Total=9 # BEAM-2:175 :: C00 C05 C10 C11 C13 C14 E03 S01 S02 Total=9 # BEAM-4:130 :: C01 C02 C03 C06 C08 C09 C12 E02 W01 W02 Total=10 # BEAM-4:175 :: C01 C02 C03 C06 C08 C09 C12 E02 W01 W02 Total=10 --------------------------------- ----------------------------------------------------------------------- 19:53:22 : Started scan on 3C48 for ~ 20.0879 min. 20:14:58 : Started scan on 3C48 for ~ 3.80283 min. 20:22:34 : Started scan on 3C48 for ~ 1.38692 min. 20:24:15 : Started command file. /odisk/gtac/cmd/bcj/01dec19/37_070_01dec2019.cmd.txt 20:29:54 : Started scan on 3C48OFF for ~ 1.52113 min. 20:32:50 : Started scan on 2350+646 for ~ 1.78957 min. 20:34:55 : Started scan on 2350+646 for ~ 0.760566 min. 20:36:38 : Started scan on B0037+56 for ~ 0.223696 min. 20:42:52 : Started scan on B0037+56 for ~ 0.313174 min. 21:01:59 : Started scan on 2350+646 for ~ 6.57666 min. 21:12:19 : Started scan on B0037+56 for ~ 5.54766 min. 21:19:03 : Started scan on B0138+59 for ~ 5.54766 min. 21:26:07 : Started scan on 2350+646 for ~ 1.56587 min. 21:27:58 : Started scan on 2350+646 for ~ 0.805306 min. 21:30:36 : Started scan on J0250+5853 for ~ 60.5321 min. 22:32:59 : Started scan on 2350+646 for ~ 1.61061 min. 22:34:50 : Started scan on 2350+646 for ~ 0.760566 min. 22:37:22 : Started scan on J0250+5853 for ~ 60.4874 min. 23:39:42 : Started scan on 2350+646 for ~ 1.47639 min. 23:41:32 : Started scan on 2350+646 for ~ 0.715827 min. 23:44:05 : Started scan on J0250+5853 for ~ 60.4874 min. 00:46:33 : Started scan on 2350+646 for ~ 1.47639 min. 00:48:19 : Started scan on 2350+646 for ~ 0.805306 min. 00:51:01 : Started scan on J0250+5853 for ~ 60.4874 min. 01:53:33 : Started scan on 3C147 for ~ 1.47639 min. 01:55:19 : Started scan on 3C147 for ~ 2.46066 min. 01:59:10 : Started scan on 3C147OFF for ~ 2.46066 min. 02:03 : Closed observation session.