GTAC Observation Log 1. Date : 27/01/2019 2. Observation Sr. No. : 10837 3. Observer : Avishek Basu 4. Observer's Email : avishekbs3@gmail.com 5. Project Name : DDT Pulsar observation : 6. Project Code : DDTC048 7. Operator(s) : Navnath, Nilesh, Surender 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /gsbifrdata/26jan/ddtc048_26jan2019_gsb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.3038, /odisk/online1/logflags/35_039.FLAGS.4 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1382 MHz ,RF2 : 1382 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , IVLO1 : 62 MHz, IVLO2 : 62 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 : 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) : 1382 1382 1320 1320 62 62 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C01 : : ABC time out. C02 : : Low self power in ALC off. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 26 Jan 2019 20:00:00 - 27 Jan 2019 02:01:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 20:15 : Started settings for pointing @ L-Band 21:10 : Started settings for DDT observations. # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=15 # BEAM-1:175 :: C00 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=15 # BEAM-2:130 :: C00 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=15 # BEAM-2:175 :: C00 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=15 21:32:46 : Started scan on 3C147 for ~ 2.61724 min. 21:35:34 : Started scan on 3C147 for ~ 2.61724 min. 21:39:39 : Started scan on 3C147 for ~ 2.01326 min. 21:42:30 : Started scan on 3C147 for ~ 2.2817 min. 21:47:27 : Started scan on CRAB for ~ 13.0191 min. 22:02:21 : Started scan on 3C147 for ~ 1.27507 min. 22:03:43 : Started scan on 3C147 for ~ 0.268435 min. Pulsar DATA FILES : node[33-34]:/mnt/[c-d]/gsbuser/35_039_26jan2019/* node[33-34]:/mnt/[c-d]/gsbuser/35_039_27jan2019/* 22:05:58 : Started scan on B0531+21 for ~ 61.0019 min. 23:11:29 : Started scan on 3C147 for ~ 2.41592 min. 23:14:06 : Started scan on 3C147 for ~ 0.402653 min. 23:25:10 : Started scan on B0531+21 for ~ 28.0515 min. 23:55:30 : Started scan on 3C147 for ~ 1.34218 min. 23:57:00 : Started scan on 3C147 for ~ 0.805306 min. 23:59:52 : Started scan on B0531+21 for ~ 66.0351 min. 01:07:23 : Started scan on 3C147 for ~ 1.67772 min. 01:09:11 : Started scan on 3C147 for ~ 6.1069 min. 01:16:57 : Started scan on B0531+21 for ~ 10.0663 min. 01:28:39 : Started scan on 3C147 for ~ 0.805306 min. 01:29:35 : Started scan on 3C147 for ~ 0.268435 min. 01:31:25 : Started scan on B0531+21 for ~ 25.9711 min. 01:59:19 : Started scan on 3C147 for ~ 2.48303 min. 02:01:00 : Stopped scan and observing session over.