GTAC Observation Log 1. Date : 20/09/2017 2. Observation Sr. No. : 9768 3. Observer : Dipanjan Mitra, Rahul Basu 4. Observer's Email : dmitra@ncra.tifr.res.in, rahul@astro.ia.uz.zgora.pl 5. Project Name : Long term monitoring of the longest period pulsar J2144-3933. 6. Project Code : 32_076 7. Operator(s) : Deepak, Nilesh, Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/32_076/19sep17/32_076_cmd.txt 9. LTA File : /gsbifrdata/19sep/32_076_19sep2017.lta 10. LogFlag File : /odisk/online1/logflags/32_076.FLAGS.3, /odisk/online1/logflags/32_071.FLAGS.15 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 317 MHz ,RF2 : 317 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 16 MHz,OFF, IF-CH2 : 24+4 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 : Full_Stokes 21. Beam - 1 : OFF 22. Beam - 2 : PA 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) : 317 317 255 255 62 62 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C09 : Maintenance. S03 : Frequently applying elevation brakes. S04 : Low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Sep 2017 20:00:00 - 20 Sep 2017 02:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : # GSB GAC configuration is as follows : # BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 W03 Total=20 # BEAM-2:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 W03 Total=20 --------------------------------------------------------------------------- 20:00 : Started settings. 20:20 : Power equalized on 2219-279 @ 250 counts. 20:20 : Phasing done on 2219-279. 20:21 : Started scan on 2219-279 for 8min. 20:36 : Started phasing on 2047-026. 20:42 : Phasing done. 20:45 : Started scan on B1929+10 for ~ 10 min. 20:58 : Started command file. /odisk/gtac/cmd/32_076/19sep17/32_076_cmd.txt 01:37 : Stopped command file(source set). 01:46 : Started scan on 3C147. 02:00 : Stopped scan and observation session over.