GTAC Observation Log 1. Date : 27/03/2019 2. Observation Sr. No. : 10993 3. Observer : Bhaswati Bhattacharyya, Jayanta Roy, Andrew Lyne, Ben Stappers, Patrick Weltevrede, Evan Francis Keane, Maura Ann McLaughlin, Michael Kramer, Cees Bassa, Christine Jordan 4. Observer's Email : bhaswati@ncra.tifr.res.in, jroy@ncra.tifr.res.in, andrew.lyne@manchester.ac.uk, Ben.Stappers@manchester.ac.uk, Patrick.Weltevrede@manchester.ac.uk, Evan.Keane@gmail.com, maura.mclaughlin@mail.wvu.edu, mkramer@mpifr-bonn.mpg.de, bassa@astron.nl, cajordan@manchester.ac.uk 5. Project Name : Investigation of Rotating Radio Transients at simultaneous multiple frequencies with the GMRT 6. Project Code : 35_043 7. Operator(s) : Deepak, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/jroy/35_043_27mar.cmd 9. LTA File : /gwbifrdata2/27mar/35_043_27mar19_suba4_gwb.lta, /gwbifrdata2/27mar/35_043B_27mar19_suba3_gwb.lta, /gwbifrdata2/27mar/35_043A_27mar19_suba2_gwb.lta 10. LogFlag File : /odisk/online1/logflags/35_043B.FLAGS, /odisk/online1/logflags/35_043A.FLAGS.5, /odisk/online1/logflags/35_043.FLAGS.5 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_lenyadri 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 : 16.666666 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 2.0132 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): 27 Mar 2019 04:00:00 - 27 Mar 2019 08:19:00 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 :: C08 C09 C13 C14 E03 E04 E05 E06 S01 S03 S04 S06 W01 W03 W04 W05 Total=16 # BEAM-1:175 :: C08 C09 C13 C14 E03 E04 E05 E06 S01 S03 S04 S06 W01 W03 W04 W05 Total=16 # BEAM-2:130 :: C03 C04 C05 C10 C11 E02 S02 W02 Total=8 # BEAM-2:175 :: C03 C04 C05 C10 C11 E02 S02 W02 Total=8 # BEAM-3:130 :: C00 C01 C02 C06 C12 Total=5 # BEAM-3:175 :: C00 C01 C02 C06 C12 Total=5 ------------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 : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF1 : 1460 1460 GPU_DDCLO1 : 0.0000 0.0000 GPU_SB1 : 1 1 GCODE1 : SUBA1 GPU_RF2 : 500 500 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : 35_043A GPU_RF3 : 300 300 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : 35_043B GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 35_043 GPU_RF5 : 0 0 GPU_DDCLO5 : 0.0000 0.0000 GPU_SB5 : 1 1 GCODE5 : GPU5 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : PA GPU_BEAM_3 : PA GPU_BEAM_4 : OFF GPU_BM_INT : 16 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- NOTE: Time loss because command file had "mode 1" instead of "cmode 1" also phasing was poor for 150 MHz, source directory was different. 04:09:26 : Started scan on 1830-360 for ~ 0.58161 min. 04:20:12 : Started scan on B1818-04 for ~ 0.357914 min. 04:26:40 : Started scan on B1818-04 for ~ 0.402653 min. 04:46:23 : Started scan on 1822-096 for ~ 7.24775 min. 04:57:45 : Started scan on 1830-360 for ~ 7.06879 min. 05:05:01 : Started scan on 1830-360 for ~ 0.626349 min. 05:12:53 : Started scan on J1819-1458 for ~ 58.6978 min. 06:15:39 : Started scan on 1822-096 for ~ 1.34218 min. 06:17:23 : Started scan on 1822-096 for ~ 1.11848 min. 06:21:15 : Started scan on J1840-1419 for ~ 60.5769 min. 07:25:08 : Started scan on J1913+1330 for ~ 54.045 min. 08:19:00 : Stopped command file and observing session over.