GTAC Observation Log 1. Date : 16/09/2019 2. Observation Sr. No. : 11457 3. Observer : Gajjar, Andrew Siemion, Shami Chatterjee, Yashwant Gupta, Geoffrey C Bower, Laura Spitler, Robert Wharton, Benito Marcote, Ryan Sean Lynch, Griffin Foster, Daniel C Price, Mayuresh Surnis, Yogesh Maan, Biprateep Dey, Dave MacMahon, Nectaria Gizani, Bryan Butlek 4. Observer's Email : iemion@berkeley.edu, shami@astro.cornell.edu, ygupta@ncra.tifr.res.in, gbower@astro.berkeley.edu, lspitler@mpifr-bonn.mpg.de, rsw95@cornell.edu, marcote@jive.eu, rlynch@nrao.edu, griffin.foster@gmail.com, dan@thetelegraphic.com, mayuresh.surnis@mail.wvu.edu, maan@astron.nl, biprateep.d@niser.ac.in, davidm@berkeley.edu, ngizani@eap.gr, bbutler@nrao.edu 5. Project Name : Low-frequency follow-up of FRB 121102 from the uGMRT\r\n 6. Project Code : DDTC090 7. Operator(s) : Navnath, Nilesh 8. Command File : /odisk/gtac/cmd/35_039/16sep2019.cmd 9. LTA File : /gwbifrdata2/16sep/ddtc090_16sep2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/DDTC090.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 :30 32. Name of Non-Working Antennas (with reason for each) : C14 : : Structural Repair Work E04 : : Electrical Work W05 : : FE Work 33. Note for Backup : 34. Start and End Time of Obs.(IST): 16 Sep 2019 08:00:00 - 16 Sep 2019 12:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : 07:30 : Started setup. --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 : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : DDTC090 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : PA GPU_BEAM_3 : Voltage GPU_BEAM_4 : OFF GPU_BM_INT : 4 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 07:59:15 : Started scan on 3C147 for ~ 1.70009 min. 08:01:40 : Started scan on 3C147 for ~ 12.6165 min. 08:14:38 : Started scan on 3C147 for ~ 1.38692 min. 08:16:12 : Started scan on 3C147 for ~ 1.34218 min. 08:19:48 : Started scan on J0248+6021 for ~ 7.11353 min. 08:28:35 : Started scan on B0329+54 for ~ 4.11601 min. 08:34:26 : Started scan on 3C147 for ~ 1.16322 min. 08:35:43 : Started scan on 3C147 for ~ 0.53687 min. 08:37:36 : Started scan on FRB121102 for ~ 35.6571 min. 09:14:37 : Started scan on 3C147 for ~ 1.29744 min. 09:16:03 : Started scan on 3C147 for ~ 0.58161 min. 09:17:53 : Started scan on FRB121102 for ~ 35.5677 min. 09:54:40 : Started scan on 3C147 for ~ 1.029 min. 09:55:51 : Started scan on 3C147 for ~ 0.53687 min. 09:57:39 : Started scan on FRB121102 for ~ 35.6571 min. 10:32:00 : C14 : Removed from GAC. 10:34:30 : Started scan on 3C147 for ~ 1.16322 min. 10:35:48 : Started scan on 3C147 for ~ 0.53687 min. 10:37:33 : Started scan on FRB121102 for ~ 35.6124 min. 11:14:19 : Started scan on 3C147 for ~ 1.07374 min. 11:15:32 : Started scan on 3C147 for ~ 0.53687 min. 11:17:22 : Started scan on FRB121102 for ~ 35.6124 min. 11:20:00 : E04 and W05 taken for Call-sheet work & Maintainace. 11:54:10 : Started scan on 3C147 for ~ 0.0447392 min. 12:00:00 : Observation session over. # GWB GAC configuration is as follows : # BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S02 S03 W01 W02 W03 Total=21 # BEAM-2:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S02 S03 W01 W02 W03 Total=21 # BEAM-3:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S02 S03 W01 W02 W03 Total=21 # BEAM-3:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S02 S03 W01 W02 W03 Total=21 ----------------------- Pulsar Data Locations : ------------------------ GWBH8 and GWBH9 Machine : /data5/gpuuser/DDTC090_data5_16sep2019/*