GTAC Observation Log 1. Date : 22/05/2017 2. Observation Sr. No. : 9417 3. Observer : ARUN KUMAR NAIDU, Periasamy K. Manoharan, BHAL CHANDRA JOSHI, Manjari Bagchi, Gopakumar Achamveedu, Dhruv Pathak, Krishnakumar MA, Mayuresh Surnis, Yogesh Maan, Prakash Arumugasamy 4. Observer's Email : arun@ncra.tifr.res.in, mano@ncra.tifr.res.in, bcj@ncra.tifr.res.in, manjari.bagchi@gmail.com, gopu.tifr@gmail.com, pathakdhruv9786@gmail.com, kkma@ncra.tifr.res.in, mpsurnis@ncra.tifr.res.in, ymaan@ncra.tifr.res.in, prakash@ncra.tifr.res.in 5. Project Name : Extending timing baseline for the ORT-GMRT Indian Pulsar Timing Array (InPTA) experiment 6. Project Code : 32_092 7. Operator(s) : Navnath, Nilesh 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata/22may/32_092_22may2017.lta 10. LogFlag File : /odisk/online1/logflags/32_092.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1292 MHz ,RF2 : 1292 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1230 MHz, ILO2 : 1230MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,OFF, IF-CH2 : 4+14 dB, 16 MHz,OFF 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 : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : Volt 23. ACQ BW : 16.666666 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 1292 1292 1230 1230 62 62 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C14 : : Structural repqir S02 : : ABC time out. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 22 May 2017 00:00:00 - 22 May 2017 10:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : data recording on [gsbuser@node33:/mnt/[a-d]/gsbuser/32_092_22may2017/* [gsbuser@node34:/mnt/[a-d]/gsbuser/32_092_22may2017/* ------------------------------------------------------------- # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 W01 W02 Total=18 # BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 W01 W02 Total=18 # BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 W01 W02 Total=18 # BEAM-2:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 E03 S01 W01 W02 Total=18 -------------------------------------------------------------------- 00:00 Started setup. 00:10 : Started power eq and phasing. 00:16:18 : Started scan on 1822-096 for ~ 13.1533 min. 00:29:46 : Started scan on 1822-096 for ~ 1.07374 min. 00:34:23 : Started scan on J1600-3053 for ~ 48.3183 min. 01:25:26 : Started scan on 1822-096 for ~ 1.07374 min. 01:26:54 : Started scan on 1822-096 for ~ 0.53687 min. 01:31:03 : Started scan on J1643-1224 for ~ 51.0027 min. 02:25:42 : Started scan on 1822-096 for ~ 1.87905 min. 02:27:48 : Started scan on 1822-096 for ~ 1.07374 min. 02:32:00 : Started scan on J1713+0747 for ~ 42.4128 min. 03:17:28 : Started scan on 1822-096 for ~ 1.34218 min. 03:19:05 : Started scan on 1822-096 for ~ 1.34218 min. 03:22:19 : Started scan on B1855+09 for ~ 51.808 min. 04:15:49 : Started scan on 1822-096 for ~ 2.14748 min. 04:18:12 : Started scan on 1822-096 for ~ 0.805306 min. 04:21:01 : Started scan on J1909-3744 for ~ 64.6929 min. 05:27:36 : Started scan on 1822-096 for ~ 0.805306 min. 05:28:47 : Started scan on 1822-096 for ~ 1.07374 min. 05:32:36 : Started scan on B1937+21 for ~ 22.817 min. 05:57:31 : Started scan on 1822-096 for ~ 1.61061 min. 05:59:26 : Started scan on 1822-096 for ~ 0.805306 min. 06:02:56 : Started scan on J2124-3358 for ~ 61.2032 min. 07:07:33 : Started scan on 1822-096 for ~ 1.34218 min. 07:09:13 : Started scan on 1822-096 for ~ 1.87905 min. 07:11:29 : Started scan on 1822-096 for ~ 0.805306 min. 07:12:39 : Started scan on 1822-096 for ~ 2.14748 min. 07:18:04 : Started scan on J2145-0750 for ~ 63.6191 min. 08:22:44 : Started scan on 2148+069 for ~ 1.61061 min. 08:24:45 : Started scan on 2148+069 for ~ 1.34218 min. 08:26:35 : Started scan on 2148+069 for ~ 1.87905 min. 08:30:39 : Started scan on J2317+1439 for ~ 71.1353 min. 09:46:32 : Started scan on 3C48 for ~ 1.87905 min. 09:52:14 : Started scan on 3C48 for ~ 1.87905 min. 09:55 : Closed observations.