GTAC Observation Log 1. Date : 05/02/2022 2. Observation Sr. No. : 13925 3. Observer : BHAL CHANDRA JOSHI, Yashwant Gupta, Yogesh Maan, Gopakumar Achamveedu, Manjari Bagchi, Shantanu Desai, Prabu Thiagaraj, Abhimanyu Susobhanan, Dhruv Pathak, Lankeswar Dey, Jaikhomba Singha, Arpita Choudhary, Neelam Dhanda Batra, Krishnakumar MA, Mayuresh Surnis, Suryarao Bethapudi, ARUN KUMAR NAIDU, SAICHAITANYA SUSARLA, Avishek kumar Basu, Nobleson Kunjappy, Raghav Prafulla Girgaonkar, Kishalay De, Periasamy K. Manoharan, Subhajit Dandapat, Nikita Agarwal, Tomonosuke Kikunaga, Arul Pandian, Adarsh Bathula, Keitaro Takahashi, Neel Kolhe, Piyush Marmat, Pratik Tarafdar, Prerna Rana, Ryo Kato, Shinnosuke Hisano, Paramasivan Arumugam 4. Observer\'s Email : bcj@ncra.tifr.res.in, ygupta@ncra.tifr.res.in, maan@astron.nl, gopu.tifr@gmail.com, manjari.bagchi@gmail.com, shntn05@gmail.com, prabu@rri.res.in, s.abhimanyu@tifr.res.in, pathakdhruv9786@gmail.com, LANKY441@GMAIL.COM, mjaikhomba@gmail.com, arp.astro@gmail.com, neelam.dhanda@gmail.com, kk.ambalappat@gmail.com, mayuresh.surnis@mail.wvu.edu, ep14btech11008@iith.ac.in, arun@ncra.tifr.res.in, saichaitanya16@iisertvm.ac.in, avishek@ncra.tifr.res.in, nobleson.phy@gmail.com, ep17btech11016@iith.ac.in, kde@caltech.edu, mano@ncra.tifr.res.in, subhajit.phy97@gmail.com, nikitaagar2503@gmail.com, amqmysuto@gmail.com, arulpandian05101995@gmail.com, abathula8055@gmail.com, keitaro@kumamoto-u.ac.jp, kolhe.sci@gmail.com, pmarmat@ph.iitr.ac.in, pratikta16@gmail.com, prerna.rana92@gmail.com, rkato@sci.osaka-cu.ac.jp, 145s3023hs@gmail.com, p.arumugam@gmail.com 5. Project Name : Indian Pulsar Timing Array (InPTA) experiment using the upgraded wideband GMRT : Update 6. Project Code : 41_023 7. Operator(s) : Navnath, Sachin 8. Command File : /data1/gtac/cmd/41_023/05feb22/obs.py 9. LTA File : /gwbifrdata1/05feb/41_023_05feb2022_band5_suba4_gwb.lta, /gwbifrdata1/05feb/41_023_05feb2022_band3_suba3_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,OFF, IF-CH2 : 4+14 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Host : gsbm1_shivneri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE/TGC 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) : 1409 1409 1460 1460 51 51 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. 33. Note for Backup :gwbh7 & gwbh8 : /data3/gpuuser/41_023A_data3_05feb2022 /data5/gpuuser/41_023A_data5_05feb2022 respectively 34. Start and End Time of Obs.(IST): 05 Feb 2022 18:00:00 - 05 Feb 2022 22:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF3 : 1460 1460 GPU_DDCLO3 : 0.000000 0.000000 GPU_SB3 : 1 1 GCODE3 : SUBA3 GPU_RF4 : 470 470 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : SUBA4 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : VOLTAGE GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C04 C05 C10 C13 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=21 # BEAM-1:175 :: C00 C04 C05 C10 C13 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=21 # BEAM-2:130 :: C01 C06 C08 C09 C11 C12 C14 Total=7 # BEAM-2:175 :: C01 C06 C08 C09 C11 C12 C14 Total=7 ----------------------------------------------------------------------- 18:00:00 : Started setup. : Power eq and phasing done. 18:30:00 : Started cmd file. /data1/gtac/cmd/41_023/05feb22/obs.py 18:34:56 : Started scan on 3C147 for ~ 1.16322 min. 18:36:32 : Started scan on 3C147 for ~ 1.43165 min. 18:39:38 : Started scan on 3C147OFF for ~ 1.43165 min. 18:45:22 : Started scan on 0521+166 for ~ 1.16322 min. 18:47:00 : Started scan on 0521+166 for ~ 0.805306 min. 18:50:36 : Started scan on J0613-0200 for ~ 32.5701 min. 19:26:24 : Started scan on 0521-207 for ~ 1.16322 min. 19:28:00 : Started scan on 0521-207 for ~ 0.894784 min. 19:31:36 : Started scan on J0437-4715 for ~ 17.5378 min. 19:53:42 : Started scan on 0744-064 for ~ 1.2527 min. 19:55:20 : Started scan on 0744-064 for ~ 0.805306 min. 19:58:37 : Started scan on J0751+1807 for ~ 32.4807 min. 20:35:30 : Started scan on 0834+555 for ~ 1.07374 min. 20:37:07 : Started scan on 0834+555 for ~ 0.805306 min. 20:39:50 : Started scan on J1012+5307 for ~ 22.4591 min. 21:07:45 : Started scan on 0837-198 for ~ 1.16322 min. 21:09:21 : Started scan on 0837-198 for ~ 0.805306 min. 21:12:58 : Started scan on J1022+1001 for ~ 32.4807 min. 21:52:57 : Started scan on 3C48 for ~ 1.16322 min. 21:54:33 : Started scan on 3C48 for ~ 1.43165 min. 21:57:39 : Started scan on 3C48OFF for ~ 1.34218 min. -----------------------------------------------------------------------