GTAC Observation Log 1. Date : 27/11/2018 2. Observation Sr. No. : 10687 3. Observer : BHAL CHANDRA JOSHI, Yashwant Gupta, Manjari Bagchi, Gopakumar Achamveedu, Abhimanyu Susobhanan, Prakash Arumugasamy, Suryarao Bethapudi, Kishalay De, Neelam Dhanda Batra, Krishnakumar MA, Yogesh Maan, ARUN KUMAR NAIDU, Dhruv Pathak, Mayuresh Surnis, Siraprapa Sanpa-arsa, Uttaran Dutta, Ashis Kumar Paul, SAICHAITANYA SUSARLA, LANKESWAR DEY, Arpita Choudhary, Shantanu Desai 4. Observer's Email : bcj@ncra.tifr.res.in, ygupta@ncra.tifr.res.in, manjari.bagchi@gmail.com, gopu.tifr@gmail.com, s.abhimanyu@tifr.res.in, prakash@ncra.tifr.res.in, ep14btech11008@iith.ac.in, kde@caltech.edu, neelam.dhanda@gmail.com, kkma@ncra.tifr.res.in, ymaan@ncra.tifr.res.in, arun@ncra.tifr.res.in, pathakdhruv9786@gmail.com, mayuresh.surnis@mail.wvu.edu, s.tuck.sanpaarsa@gmail.com, udutta@ncra.tifr.res.in, apaul@ncra.tifr.res.in, saichaitanya16@iisertvm.ac.in, LANKY441@GMAIL.COM, arp.astro@gmail.com, shntn05@gmail.com 5. Project Name : Indian Pulsar Timing Array (InPTA) experiment using the upgraded wideband GMRT and the ORT 6. Project Code : 35_016 7. Operator(s) : Navnath 8. Command File : /odisk/gtac/cmd/bcj/27nov18/obs.cmd 9. LTA File : /gwbifrdata2/27nov/35_016_27nov2018_suba4_1460.lta, /gwbifrdata2/27nov/35_016_27nov2018_suba3_500.lta, /gwbifrdata2/27nov/35_016_27nov2018_suba2_750.lta 10. LogFlag File : /odisk/online1/logflags/35_016C.FLAGS.6, /odisk/online1/logflags/35_016B.FLAGS.6, /odisk/online1/logflags/35_016A.FLAGS.6 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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) : 1454 1454 1505 1505 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): 27 Nov 2018 01:00:00 - 27 Nov 2018 06:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : 01:00:00 : Started setup. 01:45:00 : Started cmd file. 001:48:09 : Started scan on 3C48 for ~ 1.34218 min. 01:50:02 : Started scan on 3C48 for ~ 2.59488 min. 02:10:51 : Started scan on 0440-435 for ~ 1.34218 min. 02:12:44 : Started scan on 0440-435 for ~ 0.894785 min. 02:16:30 : Started scan on J0437-4715 for ~ 24.9645 min. 02:45:00 : Started scan on 0521-207 for ~ 1.2527 min. 02:46:52 : Started scan on 0521-207 for ~ 0.805306 min. 02:51:06 : Started scan on J0613-0200 for ~ 24.7855 min. 03:19:55 : Started scan on 0744-064 for ~ 1.34218 min. 03:21:47 : Started scan on 0744-064 for ~ 0.805306 min. 03:27:07 : Started scan on J0751+1807 for ~ 24.875 min. 03:56:05 : Started scan on 1021+219 for ~ 1.16322 min. 03:57:48 : Started scan on 1021+219 for ~ 0.894785 min. 04:01:43 : Started scan on J1022+1001 for ~ 24.7855 min. 04:29:36 : Started scan on 1021+219 for ~ 1.2527 min. 04:31:28 : Started scan on 1021+219 for ~ 0.984263 min. 04:36:20 : Started scan on J1024-0719 for ~ 24.7855 min. 05:09:41 : Started scan on 3C147 for ~ 1.16322 min. 05:11:34 : Started scan on 3C147 for ~ 2.41592 min. 05:16:53 : Started scan on J0645+5158 for ~ 24.9645 min. 05:44:55 : Started scan on 0834+555 for ~ 1.34218 min. 05:46:47 : Started scan on 0834+555 for ~ 0.894785 min. 05:50:42 : Started scan on J1012+5307 for ~ 13.4218 min. 06:03:00 : Observation session over. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 100.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 35_016A GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : Voltage GPU_BEAM_3 : PA GPU_BEAM_4 : OFF 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-1:130 :: C03 C05 C10 C11 C13 C14 E02 E03 S01 S02 W02 Total=11 # BEAM-1:175 :: C03 C05 C10 C11 C13 C14 E02 E03 S01 S02 W02 Total=11 # BEAM-2:130 :: C01 C04 C09 C12 Total=4 # BEAM-2:175 :: C01 C04 C06 C09 C12 Total=5 # BEAM-3:130 :: C00 C02 C08 E04 S03 S04 W03 Total=7 # BEAM-3:175 :: C00 C02 C08 E04 S03 S04 W03 Total=7