GTAC Observation Log

1. Date : 22/02/2019
2. Observation Sr. No. : 10909
3. Observer : Sambit Roychowdhury, Trinh Xuan Thuan, Gary Mamon, Marina Trevisan
4. Observer's Email : sambit.roychowdhury@manchester.ac.uk, txt@virginia.edu, gam@iap.fr, marina.trevisan@ufrgs.br
5. Project Name : Morphology and dynamics of the atomic gas reservoirs of Very Young Galaxies
6. Project Code : 35_071
7. Operator(s) : Nilesh, Rupsing, Shilpa
8. Command File : /odisk/gtac/cmd/35_071/22feb19_cmd.txt
9. LTA File : /gsbifrdata/22feb/35_071_22feb2019.lta
10. LogFlag File : /odisk/online1/logflags/35_021.FLAGS.5

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1389.04 MHz ,RF2 : 1389.04 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1325 MHz, ILO2 : 1325MHz , IVLO1 : 64.04 MHz, IVLO2 : 64.04 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1_lenyadri
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  : 135.96
28. LO5 -2  : 169.04

29. Frequency Parameters (TPA) : 1389.04 1389.04 1325 1325 64.04 64.04
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) :
C02 : Painting.
S02 : Painting.
S04 : Structural repairs.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 22 Feb 2019 13:00:00 - 22 Feb 2019 20:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :30

37. Comments (During Observations) :
13:00 : Started settings.
13:12 : Started scan on 3C48 for ~ 11 min.
13:24 : Started command file.
          /odisk/gtac/cmd/35_071/22feb19_cmd.txt

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16:12 : S04 released for obsevation
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18:00 : C02 and S02 released for observation.
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19:46 : Stopped command file.
19:48 : Started scan on 3C48.
20:00 : Stopped scan and observation session over.