GTAC Observation Log

1. Date : 14/07/2018
2. Observation Sr. No. : 10411
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, Rupsing
8. Command File : /odisk/gtac/cmd/34_112/14jul18/obs_14jul.cmd
9. LTA File : /gsbifrdata1/14jul/34_112_14jul2018_gsb.lta
10. LogFlag File : /odisk/online1/logflags/34_112.FLAGS.2

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1404.75 MHz ,RF2 : 1404.75 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1340 MHz, ILO2 : 1340MHz , IVLO1 : 64.75 MHz, IVLO2 : 64.75 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  : 135.25
28. LO5 -2  : 169.75

29. Frequency Parameters (TPA) : 1404.75 1404.75 1340 1340 64.75 64.75
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
C09 ,C10 and S03  : Taken for mechanical work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 14 Jul 2018 01:30:00 - 14 Jul 2018 10:05:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :27

37. Comments (During Observations) :
-----------------------------------------
Note : only GSB Observation
------------------------------------------
01:25 : Started settings.
01:31 : Started scan on 3C48 for ~ 20 min.
01:53 : Started command file.

         /odisk/gtac/cmd/34_112/14jul18/obs_14jul.cmd

05:40 : Stopped command file.
05:44 : Started scan on 3C48 for ~ 10 min.
05:58 : Restarted command file.
         /odisk/gtac/cmd/34_112/14jul18/obs_14jul.cmd

09:38 : MSEDCL E-arm Power failure .
09:48 : Started scan on flux cal 3C48.
09:49 : Restore the setup of east arm.
10:03 : Stopped the cmd file & Observation session over.