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

Statwt Summary Plot

VLASS3.2.sb45490828.eb46106518.60453.38273079861_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 5.992 5.84/6.79 6.272 ± 0.6038
ea02 1342 1342/1342 1342 ± 0.00002006 6.35 5.772/6.599 6.343 ± 0.6328
ea03 1342 1342/1342 1342 ± 0 6.379 5.573/6.942 6.36 ± 0.7401
ea04 1342 1342/1342 1342 ± 0.00003246 5.744 5.292/6.345 5.822 ± 0.6006
ea05 1342 1342/1342 1342 ± 0.00003403 5.805 5.593/6.895 6.094 ± 0.7111
ea06 1342 1342/1342 1342 ± 0 6.08 5.23/6.228 5.931 ± 0.6621
ea07 1342 1342/1342 1342 ± 0 6.321 5.402/6.518 6.077 ± 0.8241
ea08 1342 1342/1342 1342 ± 0 6.467 5.796/7.007 6.482 ± 0.7494
ea09 1342 1342/1342 1342 ± 0.000005232 5.677 5.208/6.581 5.794 ± 0.655
ea10 1342 1342/1342 1342 ± 0 5.833 5.511/6.458 5.968 ± 0.6159
ea11 1342 1342/1342 1342 ± 0.00003989 5.675 5.173/6.69 5.847 ± 0.828
ea12 1342 1342/1342 1342 ± 0.00002482 5.635 5.449/6.487 5.853 ± 0.8024
ea14 1342 1342/1342 1342 ± 0 5.895 5.679/6.691 6.076 ± 0.7458
ea15 1342 1342/1342 1342 ± 0.00003606 5.773 5.576/6.634 6.073 ± 0.6956
ea16 1342 1342/1342 1342 ± 0 6.35 5.775/6.873 6.393 ± 0.7109
ea17 1342 1342/1342 1342 ± 0 6.389 5.888/7.268 6.498 ± 0.6987
ea18 1342 1342/1342 1342 ± 0 6.695 5.97/7.371 6.607 ± 0.7664
ea19 1342 1342/1342 1342 ± 0.00002545 5.982 5.637/6.887 6.168 ± 0.7215
ea20 1342 1342/1342 1342 ± 0 6.281 6.065/7.216 6.54 ± 0.6906
ea21 1342 1342/1342 1342 ± 0 5.503 5.147/6.034 5.65 ± 0.5416
ea22 1342 1342/1342 1342 ± 0 6.039 5.514/6.603 6.002 ± 0.702
ea23 1342 1342/1342 1342 ± 0 5.933 5.633/6.552 6.186 ± 0.6748
ea24 1342 1342/1342 1342 ± 0 6.297 5.394/6.817 6.116 ± 0.7008
ea25 1342 1342/1342 1342 ± 0 6.624 5.775/7.122 6.618 ± 0.84
ea27 1342 1342/1342 1342 ± 0.000007434 6.077 5.559/6.747 6.146 ± 0.6651
ea28 1342 1342/1342 1342 ± 0 6.339 5.76/7.121 6.397 ± 0.6947
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 ± 0.00002349 5.585 5.434/5.816 5.61 ± 0.263
3 1342 1342/1342 1342 ± 0.00003752 4.658 4.338/5.173 4.707 ± 0.5265
4 1342 1342/1342 1342 ± 0.00003097 5.344 5.115/5.542 5.327 ± 0.3461
5 1342 1342/1342 1342 ± 0.00002349 5.59 5.239/5.797 5.563 ± 0.2989
6 1342 1342/1342 1342 ± 0.00002349 5.569 5.355/5.777 5.566 ± 0.2571
7 1342 1342/1342 1342 ± 0.00002349 5.601 5.447/5.778 5.598 ± 0.2345
8 1342 1342/1342 1342 ± 0.00002349 5.536 5.256/5.725 5.529 ± 0.2875
9 1342 1342/1342 1342 ± 0.00002349 5.863 5.694/6.054 5.861 ± 0.2974
10 1342 1342/1342 1342 ± 0.00002349 6.364 6.214/6.442 6.34 ± 0.2673
11 1342 1342/1342 1342 ± 0.00002349 6.625 6.361/6.699 6.578 ± 0.277
12 1342 1342/1342 1342 ± 0.00002349 6.749 6.555/6.942 6.753 ± 0.3166
13 1342 1342/1342 1342 ± 0.00002349 7.244 6.979/7.503 7.242 ± 0.3322
14 1342 1342/1342 1342 ± 0.00002349 7.284 7.086/7.608 7.355 ± 0.3872
15 1342 1342/1342 1342 ± 0.00002349 7.084 6.823/7.348 7.072 ± 0.3287
16 1342 1342/1342 1342 ± 0.00004688 6.076 5.785/6.485 6.133 ± 0.4072
17 1342 1342/1342 1342 ± 0.0000411 6.099 5.84/6.393 6.112 ± 0.3896
datacolumn
residual_data
vis
VLASS3.2.sb45490828.eb46106518.60453.38273079861_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-31 00:02:25.666
End
2025-07-31 00:51:51.531
Duration
0:49:25.865
Note, WebLog generation is not included in the time.

CASA logs for stage 8