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 6.409 5.779/6.804 6.319 ± 0.7156
ea03 1342 1342/1342 1342 ± 0.00002392 5.763 5.285/6.621 5.903 ± 0.7802
ea04 1342 1342/1342 1342 ± 0 5.686 5.268/6.225 5.808 ± 0.627
ea05 1342 1342/1342 1342 ± 0 5.921 5.723/6.936 6.229 ± 0.7765
ea06 1342 1342/1342 1342 ± 0 6.444 5.547/6.566 6.162 ± 0.6388
ea07 1342 1342/1342 1342 ± 0 6.081 5.393/6.237 5.974 ± 0.6318
ea08 1342 1342/1342 1342 ± 0.000009744 6.418 5.596/6.889 6.327 ± 0.7327
ea09 1342 1342/1342 1342 ± 0 5.99 5.459/6.734 6.175 ± 0.7646
ea10 1342 1342/1342 1342 ± 0 6.047 5.713/6.968 6.229 ± 0.7014
ea11 1342 1342/1342 1342 ± 0 6.503 5.461/6.888 6.265 ± 0.8398
ea12 1342 1342/1342 1342 ± 0 6.438 5.691/6.822 6.424 ± 0.7446
ea13 1342 1342/1342 1342 ± 0.0000015 5.9 5.83/6.45 6.097 ± 0.5232
ea14 1342 1342/1342 1342 ± 0 6.076 5.705/6.878 6.338 ± 0.6893
ea15 1342 1342/1342 1342 ± 0 5.305 4.714/5.551 5.218 ± 0.549
ea16 1342 1342/1342 1342 ± 0 6.185 5.725/6.727 6.321 ± 0.7893
ea17 1342 1342/1342 1342 ± 0 6.515 5.894/7.506 6.697 ± 0.7954
ea18 1342 1342/1342 1342 ± 0 5.135 4.766/5.672 5.242 ± 0.5081
ea19 1342 1342/1342 1342 ± 0 6.307 6.036/7.248 6.555 ± 0.7431
ea20 1342 1342/1342 1342 ± 0 5.932 5.755/6.941 6.189 ± 0.7248
ea21 1342 1342/1342 1342 ± 0 5.721 5.454/6.593 5.966 ± 0.6393
ea22 1342 1342/1342 1342 ± 0 6.303 5.437/6.61 6.078 ± 0.7127
ea23 1342 1342/1342 1342 ± 0 6.164 5.78/6.872 6.377 ± 0.7675
ea24 1342 1342/1342 1342 ± 0 6.149 5.268/6.527 5.924 ± 0.633
ea25 1342 1342/1342 1342 ± 0 6.268 5.722/6.741 6.366 ± 0.7687
ea26 1342 1342/1342 1342 ± 0 6.319 5.822/7.091 6.505 ± 0.7998
ea27 1342 1342/1342 1342 ± 0 5.948 5.651/7.105 6.24 ± 0.768
ea28 1342 1342/1342 1342 ± 0 6.15 5.718/6.96 6.355 ± 0.7646
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 ± 0.00002307 5.642 5.357/5.842 5.603 ± 0.3248
3 1342 1342/1342 1342 ± 0.00002349 5.367 5.136/5.466 5.297 ± 0.3189
4 1342 1342/1342 1342 ± 0.00003305 5.249 5.006/5.459 5.271 ± 0.3211
5 1342 1342/1342 1342 ± 0.00002307 5.679 5.329/5.783 5.526 ± 0.3652
6 1342 1342/1342 1342 ± 0.00002307 5.592 5.307/5.733 5.513 ± 0.2999
7 1342 1342/1342 1342 ± 0.00002307 5.654 5.439/5.779 5.576 ± 0.3161
8 1342 1342/1342 1342 ± 0.00002307 5.568 5.334/5.809 5.539 ± 0.3603
9 1342 1342/1342 1342 ± 0.00002307 5.956 5.659/6.138 5.86 ± 0.3562
10 1342 1342/1342 1342 ± 0.00002307 6.456 6.197/6.529 6.34 ± 0.3776
11 1342 1342/1342 1342 ± 0.00002307 6.662 6.477/6.858 6.582 ± 0.3939
12 1342 1342/1342 1342 ± 0.00002307 6.829 6.546/6.968 6.743 ± 0.4443
13 1342 1342/1342 1342 ± 0.00002307 7.299 6.976/7.625 7.241 ± 0.4701
14 1342 1342/1342 1342 ± 0.00002307 7.595 7.269/7.795 7.457 ± 0.4654
15 1342 1342/1342 1342 ± 0.00002307 7.157 6.809/7.342 7.029 ± 0.4408
16 1342 1342/1342 1342 ± 0.00002513 6.329 5.937/6.544 6.29 ± 0.4185
17 1342 1342/1342 1342 ± 0.00002416 6.208 5.935/6.535 6.211 ± 0.426
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
output_dir
 
Start time
2025-06-15 22:00:55.232
End
2025-06-15 22:33:53.080
Duration
0:32:57.847
Note, WebLog generation is not included in the time.

CASA logs for stage 8