GTAC Observation Log 1. Date : 23/02/2021 2. Observation Sr. No. : 12925 3. Observer : Bhaswati Bhattacharyya, Jayanta Roy, Ben Stappers, Michael Keith, Mateusz Malenta, Maura Ann McLaughlin, Paul Ray, Scott M. Ransom, Jayaram Narayanan Chengalur, Andrew Lyne, Sanjay S. Kudale, Ujjwal Panda, Shubham Singh, Wes Armour, Karel Adamek 4. Observer\'s Email : bhaswati@ncra.tifr.res.in, jroy@ncra.tifr.res.in, Ben.Stappers@manchester.ac.uk, mkeith@pulsarastronomy.net, mateusz.malenta@student.manchester.ac.uk, maura.mclaughlin@mail.wvu.edu, paul.ray@nrl.navy.mil, sransom@nrao.edu, chengalur@ncra.tifr.res.in, andrew.lyne@manchester.ac.uk, ksanjay@gmrt.ncra.tifr.res.in, ujjwalpanda97@gmail.com, ssingh@ncra.tifr.res.in, wes.armour@oerc.ox.ac.uk, karel.adamek@oerc.ox.ac.uk 5. Project Name : GMRT High Resolution Southern Sky (GHRSS) survey for millisecond pulsars and transients : A SKA precursor survey 6. Project Code : 39_062 7. Operator(s) : Navnath, Nilesh, Sachin 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata/23feb/39_062_23feb21_gsb.lta, /gwbifrdata/23feb/39_062_23feb21_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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/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) : 306 306 255 255 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C10 : Bad bandshape in GSB. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Feb 2021 00:00:00 - 23 Feb 2021 12:00:00 35. ONLINE Machine : TGC 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 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 : 540.000000 540.000000 GPU_SB1 : 1 1 GCODE1 : SUBA1 GPU_RF2 : 1200 1200 GPU_DDCLO2 : 0.000000 0.000000 GPU_SB2 : 1 1 GCODE2 : SUBA2 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_RF5 : 1060 1060 GPU_DDCLO5 : 0.000000 0.000000 GPU_SB5 : 1 1 GCODE5 : SUBA5 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : IA GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 4 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : Voltage Detection GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 16 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=29 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=29 # BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=29 # BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=29 # BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=29 # BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=29 # BEAM-4:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=29 # BEAM-4:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=29 # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=28 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=28 # BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=28 # BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=28 11:30 : Started setup. but gwb correlator did not started in trial mode it gave error, tried to start thrice. Later switched to released mode. Also GSB correlator started in released mode but observed that full polar mode activated for collect so GSB corr started in trial mode. raised callsheets for these problems. 00:29:13 : Started scan on 0837-198 for ~ 1.2527 min. 00:56:55 : Started scan on HR_0904-32 for ~ 12.1691 min. 01:11:27 : Started scan on HR_0911-32 for ~ 12.1691 min. 01:25:59 : Started scan on HR_0917-32 for ~ 12.1691 min. 01:40:31 : Started scan on HR_0923-32 for ~ 12.2138 min. 01:55:09 : Started scan on HR_0930-32 for ~ 12.1691 min. 02:09:43 : Started scan on HR_0936-32 for ~ 12.1691 min. 02:24:14 : Started scan on 0837-198 for ~ 2.23696 min. 02:28:49 : Started scan on HR_0942-32 for ~ 12.2138 min. 02:43:21 : Started scan on HR_0949-32 for ~ 12.2585 min. 02:57:36 : Started scan on HR_0949-32 for ~ 12.1691 min. 03:11:48 : Started scan on HR_0949-32 for ~ 12.2138 min. 03:26:24 : Started scan on HR_0955-32 for ~ 12.2138 min. 03:40:57 : Started scan on 1154-350 for ~ 2.23696 min. 03:45:36 : Started scan on HR_1255-46 for ~ 15.8377 min. 04:03:49 : Started scan on HR_1243-47 for ~ 15.8824 min. 04:22:25 : Started scan on HR_1102-28 for ~ 12.1691 min. 04:36:57 : Started scan on HR_1108-28 for ~ 12.2138 min. 04:51:30 : Started scan on HR_1114-28 for ~ 12.2585 min. 05:06:54 : Started scan on HR_1120-28 for ~ 12.0796 min. 05:21:20 : Started scan on HR_1126-28 for ~ 12.2138 min. 05:36:58 : Started scan on HR_1132-28 for ~ 12.1691 min. 05:51:12 : Started scan on 1154-350 for ~ 2.19222 min. 06:10:46 : Started scan on HR_1304-28 for ~ 12.2138 min. 06:25:21 : Started scan on HR_1310-28 for ~ 12.1691 min. 06:39:53 : Started scan on 1311-222 for ~ 2.23696 min. 06:44:29 : Started scan on HR_1316-28 for ~ 12.1691 min. 06:59:00 : Started scan on HR_1322-28 for ~ 12.2138 min. 07:13:33 : Started scan on HR_1328-28 for ~ 12.1691 min. 07:28:08 : Started scan on HR_1334-28 for ~ 12.2138 min. 07:42:42 : Started scan on HR_1340-28 for ~ 11.0506 min. 07:56:10 : Started scan on HR_1352-28 for ~ 7.82936 min. 08:07:44 : Started scan on 1526-138 for ~ 2.59487 min. 08:20:22 : Started scan on HR_1505-28 for ~ 13.377 min. 08:37:03 : Started scan on HR_1511-28 for ~ 12.1691 min. 08:51:39 : Started scan on HR_1517-28 for ~ 12.1691 min. 09:06:11 : Started scan on HR_1523-28 for ~ 15.8377 min. 09:24:04 : Started scan on 1526-138 for ~ 2.23696 min. 09:28:40 : Started scan on HR_1529-28 for ~ 12.527 min. 09:45:02 : Started scan on HR_1536-28 for ~ 11.9901 min. 09:58:19 : Started scan on HR_1607-31 for ~ 7.73988 min. 10:08:24 : Started scan on HR_1825-31 for ~ 12.1691 min. 10:22:56 : Started scan on HR_1837-31 for ~ 12.3033 min. 10:37:52 : Started scan on HR_1927-31 for ~ 12.2138 min. 10:53:38 : Started scan on 1822-096 for ~ 2.23696 min. 11:00:49 : Started scan on HR_1933-31 for ~ 12.2585 min. 11:15:25 : Started scan on HR_1940-31 for ~ 12.1691 min. 11:29:58 : Started scan on HR_1946-31 for ~ 13.0191 min. 11:47:51 : Started scan on 2225-049 for ~ 2.2817 min. 11:55:54 : Started scan on 2225-049 for ~ 5.32396 min. ------------------------------------------------------------------------ 12:00:00 : Stopped command file and observation closed.