Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.473 5.423/5.956 5.684 ± 0.4462
ea02 1342 1342/1342 1342 ± 0 5.881 5.418/6.366 5.908 ± 0.5386
ea04 1342 1342/1342 1342 ± 0 5.612 5.324/6.199 5.771 ± 0.4883
ea05 1342 1342/1342 1342 ± 0 5.87 5.427/6.191 5.846 ± 0.5002
ea06 1342 1342/1342 1342 ± 0 2.998 2.921/3.254 3.075 ± 0.1977
ea07 1342 1342/1342 1342 ± 0 5.66 5.502/5.793 5.652 ± 0.1919
ea08 1342 1342/1342 1342 ± 0 5.921 5.597/6.56 6.07 ± 0.5957
ea09 1342 1342/1342 1342 ± 0 5.004 4.865/5.471 5.163 ± 0.3678
ea10 1342 1342/1342 1342 ± 0 5.622 5.416/6.359 5.83 ± 0.526
ea11 1342 1342/1342 1342 ± 0 5.868 5.616/6.396 6.03 ± 0.5115
ea12 1342 1342/1342 1342 ± 0 6.013 5.496/6.409 6.043 ± 0.5118
ea13 1342 1342/1342 1342 ± 0 5.889 5.678/6.159 5.993 ± 0.3968
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.079 4.934/5.2 5.093 ± 0.3054
ea17 1342 1342/1342 1342 ± 0.00001192 6.145 5.851/6.554 6.276 ± 0.5278
ea18 1342 1342/1342 1342 ± 0 5.256 4.988/5.694 5.341 ± 0.4067
ea19 1342 1342/1342 1342 ± 0 6.553 6.265/6.809 6.598 ± 0.3504
ea21 1342 1342/1342 1342 ± 0 5.77 5.458/6.293 5.899 ± 0.5081
ea22 1342 1342/1342 1342 ± 0 5.327 5.118/6.009 5.541 ± 0.5255
ea23 1342 1342/1342 1342 ± 0 6.028 5.561/6.443 6.054 ± 0.5609
ea25 1342 1342/1342 1342 ± 0 5.48 5.426/5.603 5.471 ± 0.1685
ea26 1342 1342/1342 1342 ± 0 5.93 5.628/6.576 6.047 ± 0.5264
ea27 1342 1342/1342 1342 ± 0.00001014 5.62 5.404/6.241 5.798 ± 0.5099
ea28 1342 1342/1342 1342 ± 0.00001149 5.706 5.498/6.383 5.909 ± 0.5763
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.000026 5.573 5.41/5.765 5.517 ± 0.3303
3 1342 1342/1342 1342 ± 0.00003268 5.304 5.041/5.618 5.327 ± 0.3048
4 1342 1342/1342 1342 ± 0.000026 5.446 5.339/5.634 5.426 ± 0.3038
5 1342 1342/1342 1342 ± 0.000026 5.475 5.33/5.619 5.484 ± 0.2744
6 1342 1342/1342 1342 ± 0.000026 5.451 5.191/5.521 5.379 ± 0.2518
7 1342 1342/1342 1342 ± 0.000026 5.44 5.342/5.563 5.405 ± 0.2323
8 1342 1342/1342 1342 ± 0.000026 5.422 5.175/5.508 5.36 ± 0.292
9 1342 1342/1342 1342 ± 0.000026 5.704 5.348/5.867 5.604 ± 0.36
10 1342 1342/1342 1342 ± 0.000026 6.024 5.823/6.158 5.823 ± 0.651
11 1342 1342/1342 1342 ± 0.000026 6.244 5.983/6.386 5.996 ± 0.7657
12 1342 1342/1342 1342 ± 0.000026 6.43 6.071/6.478 6.14 ± 0.7927
13 1342 1342/1342 1342 ± 0.000026 6.753 6.452/6.948 6.492 ± 0.8361
14 1342 1342/1342 1342 ± 0.000026 6.843 6.608/7.069 6.616 ± 0.8616
15 1342 1342/1342 1342 ± 0.000026 6.337 6.132/6.562 6.106 ± 0.8264
16 1342 1342/1342 1342 ± 0.0000288 5.608 5.324/5.984 5.548 ± 0.7386
17 1342 1342/1342 1342 ± 0.00002694 5.672 5.417/6.059 5.588 ± 0.7184
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2024-03-29 09:16:52.692
End
2024-03-29 10:29:58.633
Duration
1:13:05.941
Note, WebLog generation is not included in the time.

CASA logs for stage 7