GTAC Observation Log 1. Date : 13/1/2013 2. Observation Sr. No. : 6324 3. Observer : Marta Dembska, Rahul Basu 4. Observer's Email : marta@astro.ia.uz.zgora.pl,rbasu@ncra.tifr.res.in 5. Project Name : Interferometric imaging of pulsars with gigahertz-peaked spectra and their environments 6. Project Code : 23_057 7. Operator(s) : Deepak, Pramod, Sachin, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/rahul/23_057_1.cmd 9. LTA File : /gsbifrdata/13jan/23_057_13jan2013.lta 10. LogFlag File : /odisk/online1/logflags/23_057.FLAGS.2 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 : 540 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,OFF, IF-CH2 : 4+12 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : OFF 17. Stokes : Total_Intensity 18. Beam - 1 : IA 19. Beam - 2 : PA 20. ACQ BW : 32 MHz 21. Maximum Channels : 256 22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 591 591 540 540 51 51. 25. Integration Time : 16.106 Sec. 26. No of Antennas Working(Fringing) :27 27. Name of Non-Working Antennas (with reason for each) : C12 : Servo problem. W05 : maintenance. S01 : BLDC 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 06:30 - 15:26 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : /gsbifrdata1/13jan/23_057_13jan2013_2s.lta node33:/mnt/pulsar/gsbuser/23_057_13jan2013 node34:/mnt/pulsar/gsbuser/23_057_13jan2013 --------------------------------------------- 06:40 : Started scan on 3c286 for 15mins. 07:01 : Started scan on B1822-09 for 5mins. 07:09 : Started command file. 09:02 : C08 taken for painting. 09:58 : C08 released for observation. 09:49 : Stopped pulsar recording. 10:01 : C06 taken for painting. 15:10 : Stopped command file. 15:18 : Started scan on 3C48. 15:26 : Stopped scan & observing session is over.