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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.449 5.802/6.791 6.355 ± 0.72
ea03 1342 1342/1342 1342 ± 0.00003392 5.701 5.31/6.626 5.911 ± 0.78
ea04 1342 1342/1342 1342 ± 0 5.648 5.252/6.246 5.838 ± 0.6476
ea05 1342 1342/1342 1342 ± 0 5.974 5.717/6.967 6.231 ± 0.7629
ea06 1342 1342/1342 1342 ± 0 6.44 5.582/6.565 6.169 ± 0.6503
ea07 1342 1342/1342 1342 ± 0 5.95 5.411/6.276 5.982 ± 0.6302
ea08 1342 1342/1342 1342 ± 0.00001383 6.196 5.607/6.786 6.314 ± 0.7379
ea09 1342 1342/1342 1342 ± 0 5.987 5.504/6.773 6.198 ± 0.7553
ea10 1342 1342/1342 1342 ± 0 6.081 5.671/6.933 6.226 ± 0.6919
ea11 1342 1342/1342 1342 ± 0 6.324 5.393/6.862 6.238 ± 0.8322
ea12 1342 1342/1342 1342 ± 0 6.479 5.704/6.853 6.442 ± 0.7596
ea13 1342 1342/1342 1342 ± 0.000006974 5.986 5.844/6.481 6.171 ± 0.5206
ea14 1342 1342/1342 1342 ± 0 6.105 5.681/6.89 6.341 ± 0.6999
ea15 1342 1342/1342 1342 ± 0 5.447 4.822/5.746 5.333 ± 0.6031
ea16 1342 1342/1342 1342 ± 0 6.203 5.752/6.835 6.356 ± 0.767
ea17 1342 1342/1342 1342 ± 0 6.504 6.005/7.554 6.678 ± 0.7788
ea18 1342 1342/1342 1342 ± 0 5.178 4.774/5.635 5.232 ± 0.5305
ea19 1342 1342/1342 1342 ± 0 6.337 5.955/7.159 6.535 ± 0.7698
ea20 1342 1342/1342 1342 ± 0 5.966 5.703/6.955 6.19 ± 0.7483
ea21 1342 1342/1342 1342 ± 0 5.723 5.521/6.515 5.938 ± 0.627
ea22 1342 1342/1342 1342 ± 0 6.274 5.389/6.653 6.05 ± 0.721
ea23 1342 1342/1342 1342 ± 0 6.124 5.773/6.848 6.351 ± 0.7677
ea24 1342 1342/1342 1342 ± 0 6.149 5.21/6.542 5.897 ± 0.6369
ea25 1342 1342/1342 1342 ± 0 6.403 5.676/6.76 6.38 ± 0.769
ea26 1342 1342/1342 1342 ± 0 6.323 5.8/7.04 6.49 ± 0.8053
ea27 1342 1342/1342 1342 ± 0 5.984 5.541/7.048 6.194 ± 0.7797
ea28 1342 1342/1342 1342 ± 0 6.078 5.756/6.923 6.326 ± 0.7714
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 ± 0.00002306 5.641 5.432/5.781 5.624 ± 0.3236
3 1342 1342/1342 1342 ± 0.00002348 5.29 5.092/5.427 5.262 ± 0.2969
4 1342 1342/1342 1342 ± 0.00002831 5.285 5.123/5.561 5.289 ± 0.3687
5 1342 1342/1342 1342 ± 0.00002306 5.668 5.38/5.778 5.547 ± 0.3508
6 1342 1342/1342 1342 ± 0.00002306 5.538 5.322/5.716 5.504 ± 0.2896
7 1342 1342/1342 1342 ± 0.00002306 5.65 5.399/5.797 5.58 ± 0.3103
8 1342 1342/1342 1342 ± 0.00002306 5.577 5.328/5.811 5.54 ± 0.3439
9 1342 1342/1342 1342 ± 0.00002306 5.981 5.69/6.127 5.865 ± 0.3441
10 1342 1342/1342 1342 ± 0.00002306 6.478 6.2/6.56 6.351 ± 0.357
11 1342 1342/1342 1342 ± 0.00002306 6.668 6.485/6.844 6.597 ± 0.3708
12 1342 1342/1342 1342 ± 0.00002306 6.858 6.537/6.958 6.746 ± 0.4272
13 1342 1342/1342 1342 ± 0.00002306 7.336 6.957/7.642 7.26 ± 0.4477
14 1342 1342/1342 1342 ± 0.00002306 7.587 7.235/7.808 7.47 ± 0.4414
15 1342 1342/1342 1342 ± 0.00002306 7.142 6.837/7.357 7.054 ± 0.4178
16 1342 1342/1342 1342 ± 0.00002849 6.313 5.953/6.552 6.304 ± 0.3998
17 1342 1342/1342 1342 ± 0.00002358 6.244 5.981/6.547 6.253 ± 0.3878
output_dir
 
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-06-07 15:28:27.858
End
2025-06-07 16:18:18.030
Duration
0:49:50.173
Note, WebLog generation is not included in the time.

CASA logs for stage 8