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

Statwt Summary Plot

VLASS2.1.sb38458451.eb38565931.59072.733167094906_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 5.533 4.933/5.847 5.338 ± 0.5843
ea02 1342 1342/1342 1342 ± 0.00002578 5.626 5.055/6.31 5.676 ± 0.786
ea05 1342 1342/1342 1342 ± 0.00002009 5.261 5.051/6.238 5.55 ± 0.8788
ea06 1342 1342/1342 1342 ± 0.00002881 4.799 4.647/5.365 4.956 ± 0.5316
ea07 1342 1342/1342 1342 ± 0.00003449 5.443 5.013/5.652 5.395 ± 0.585
ea08 1342 1342/1342 1342 ± 0.00002302 5.815 5.313/6.55 5.925 ± 0.7515
ea09 1342 1342/1342 1342 ± 0.0000219 5.156 4.838/6.019 5.308 ± 0.7689
ea10 1342 1342/1342 1342 ± 0.00002605 6.002 4.918/6.227 5.565 ± 0.7643
ea11 1342 1342/1342 1342 ± 0.00002452 5.869 5.296/6.167 5.632 ± 0.6307
ea12 1342 1342/1342 1342 ± 0.00002803 5.357 5.057/6.132 5.503 ± 0.6938
ea13 1342 1342/1342 1342 ± 0.00001646 5.551 5.475/6.079 5.75 ± 0.788
ea14 1342 1342/1342 1342 ± 0.00002573 5.568 5.211/6.377 5.773 ± 0.8719
ea15 1342 1342/1342 1342 ± 0.00003006 5.232 4.947/5.982 5.351 ± 0.7298
ea16 1342 1342/1342 1342 ± 0 5.062 5.004/5.173 5.038 ± 0.2284
ea17 1342 1342/1342 1342 ± 0.00002666 5.932 5.398/6.533 5.888 ± 0.738
ea18 1342 1342/1342 1342 ± 0.00002341 4.932 4.621/5.316 4.888 ± 0.484
ea19 1342 1342/1342 1342 ± 0.00001673 5.421 5.204/6.443 5.734 ± 0.9031
ea20 1342 1342/1342 1342 ± 0.0000279 5.639 5.502/6.439 5.815 ± 0.703
ea21 1342 1342/1342 1342 ± 0.00002567 5.343 5.102/6.055 5.528 ± 0.8204
ea22 1342 1342/1342 1342 ± 0.00003001 5.234 4.934/6.311 5.544 ± 0.8638
ea23 1342 1342/1342 1342 ± 0.00002277 5.6 5.215/6.274 5.724 ± 0.7768
ea25 1342 1342/1342 1342 ± 0 5.127 4.991/5.187 5.119 ± 0.177
ea26 1342 1342/1342 1342 ± 0.00002534 5.373 5.268/6.241 5.603 ± 0.794
ea27 1342 1342/1342 1342 ± 0.00002313 5.284 5.004/6.044 5.429 ± 0.6352
ea28 1342 1342/1342 1342 ± 0.00002839 5.327 5.102/6.204 5.58 ± 0.7153
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 ± 0.00002393 5.199 4.925/5.294 5.127 ± 0.2412
5 1342 1342/1342 1342 ± 0.00002774 5.049 4.859/5.162 5.01 ± 0.2868
6 1342 1342/1342 1342 ± 0.00002393 5.039 4.963/5.203 5.038 ± 0.2324
7 1342 1342/1342 1342 ± 0.00002393 5.067 4.946/5.21 5.076 ± 0.2155
8 1342 1342/1342 1342 ± 0.00002393 5.108 4.906/5.272 5.091 ± 0.2516
9 1342 1342/1342 1342 ± 0.00002393 5.372 5.249/5.565 5.357 ± 0.2775
10 1342 1342/1342 1342 ± 0.00002491 5.748 5.549/5.934 5.737 ± 0.2888
11 1342 1342/1342 1342 ± 0.00002491 6.048 5.921/6.174 6.001 ± 0.3168
12 1342 1342/1342 1342 ± 0.00002491 6.23 6.022/6.33 6.173 ± 0.3232
13 1342 1342/1342 1342 ± 0.00002548 6.256 6.017/6.5 6.231 ± 0.4211
14 1342 1342/1342 1342 ± 0.00002491 6.535 6.214/6.861 6.493 ± 0.4716
15 1342 1342/1342 1342 ± 0.00004311 6.38 6.043/6.567 6.222 ± 0.6079
16 1342 1342/1342 1342 ± 0.00005202 3.441 3.28/3.597 3.446 ± 0.2718
17 1342 1342/1342 1342 ± 0.00005097 3.366 3.185/3.586 3.399 ± 0.3569
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38458451.eb38565931.59072.733167094906_split_split.ms
Start time
2025-02-20 02:10:18.637
End
2025-02-20 02:36:39.077
Duration
0:26:20.440
Note, WebLog generation is not included in the time.

CASA logs for stage 8