GTAC Observation Log

1. Date : 13/07/2018
2. Observation Sr. No. : 10408
3. Observer : Sambit Roychowdhury, Suzanne Madden, Anthony Peter Jones, Pieter DeVis, Frederic Galliano, Nathalie Ysard, Maud Galametz
4. Observer's Email : sambit.rc@gmail.com, smadden@cea.fr, Anthony.Jones@ias.u-psud.fr, pieter.devis1@gmail.com, frederic.galliano@cea.fr, nathalie.ysard@ias.u-psud.fr, maud.galametz@cea.fr
5. Project Name : Resolved HI observations of DustPedia dwarf galaxies: towards a complete understanding of the baryon cycle in dwarfs
6. Project Code : 34_112
7. Operator(s) : Navnath, Nilesh
8. Command File : /odisk/gtac/cmd/34_112/13jul18/obs_13jul.cmd
9. LTA File : /gsbifrdata/13jul/34_112_13jul2018_gsb.lta
10. LogFlag File : /odisk/online1/logflags/34_112.FLAGS.1

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1401.45 MHz ,RF2 : 1401.45 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1340 MHz, ILO2 : 1340MHz , IVLO1 : 61.45 MHz, IVLO2 : 61.45 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 : ON
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : OFF
23. ACQ BW : 16.666666 MHz
24. Final BW : 4 MHz; Step # 1
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 138.55
28. LO5 -2  : 166.45

29. Frequency Parameters (TPA) : 1401.45 1401.45 1340 1340 61.45 61.45
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C09 : Mechanical work.
S03 : Mechanical work.
C04 : Intermittent Servo problems.
C10 : Intermittent Servo problems.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 13 Jul 2018 01:00:00 - 13 Jul 2018 09:05:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :26

37. Comments (During Observations) :
01:00 : Started settings.

01:11:27 : Started scan on 0022+002 for ~ 9.1268 min.
01:22:37 : Started scan on UGC12578 for ~ 39.8626 min.

02:04 : Started command file with a scan on 3C48 for ~10 min.
        
      /odisk/gtac/cmd/34_112/13jul18/obs_13jul.cmd

05:03 : restarted command file with a scan on 3C48 for ~ 10 min.

        /odisk/gtac/cmd/34_112/13jul18/obs_13jul.cmd

      : scan stop & cmd file stop due to power failure.

07:10 : MSEDCL Power failure for all antennas 
07:20 : Power resumed started Antenna settings viz. RF,LO1,IF etc
07:30 : Restarted cmd file.
08:45 : cmd file stopped.
08:46 : Started scan on phase cal for 5min.
08:53 : Started scan on flux cal for 10 min.
09:05 : Observation session over
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