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 6.508 5.876/7.066 6.436 ± 0.7418
ea03 1342 1342/1342 1342 ± 0.00002358 5.888 5.376/6.711 6.011 ± 0.7809
ea04 1342 1342/1342 1342 ± 0.000004688 5.755 5.375/6.298 5.906 ± 0.623
ea05 1342 1342/1342 1342 ± 0 6.076 5.792/7.045 6.339 ± 0.7634
ea06 1342 1342/1342 1342 ± 0 6.349 5.666/6.617 6.233 ± 0.6223
ea07 1342 1342/1342 1342 ± 0 6.171 5.508/6.331 6.086 ± 0.6218
ea08 1342 1342/1342 1342 ± 0.00001116 6.638 5.703/6.977 6.443 ± 0.734
ea09 1342 1342/1342 1342 ± 0 6.088 5.622/6.94 6.293 ± 0.7647
ea10 1342 1342/1342 1342 ± 0 6.222 5.813/7.048 6.348 ± 0.6937
ea11 1342 1342/1342 1342 ± 0 6.369 5.556/6.948 6.315 ± 0.8143
ea12 1342 1342/1342 1342 ± 0 6.553 5.834/6.898 6.496 ± 0.7136
ea13 1342 1342/1342 1342 ± 0.000006308 6.02 5.94/6.502 6.189 ± 0.5234
ea14 1342 1342/1342 1342 ± 0 6.178 5.806/6.949 6.445 ± 0.6827
ea15 1342 1342/1342 1342 ± 0 5.314 4.798/5.647 5.279 ± 0.5497
ea16 1342 1342/1342 1342 ± 0 6.353 5.815/6.915 6.461 ± 0.778
ea17 1342 1342/1342 1342 ± 0 6.608 6.043/7.594 6.782 ± 0.7687
ea18 1342 1342/1342 1342 ± 0 5.211 4.854/5.639 5.294 ± 0.4861
ea19 1342 1342/1342 1342 ± 0 6.454 6.137/7.355 6.679 ± 0.7458
ea20 1342 1342/1342 1342 ± 0 5.911 5.833/7.007 6.247 ± 0.7142
ea21 1342 1342/1342 1342 ± 0 5.927 5.613/6.683 6.098 ± 0.6236
ea22 1342 1342/1342 1342 ± 0 6.352 5.511/6.718 6.133 ± 0.6772
ea23 1342 1342/1342 1342 ± 0 6.052 5.881/6.959 6.423 ± 0.7668
ea24 1342 1342/1342 1342 ± 0 6.227 5.323/6.608 5.999 ± 0.6404
ea25 1342 1342/1342 1342 ± 0 6.464 5.828/6.828 6.481 ± 0.7694
ea26 1342 1342/1342 1342 ± 0 6.404 5.922/7.217 6.593 ± 0.8214
ea27 1342 1342/1342 1342 ± 0 6.079 5.726/7.142 6.36 ± 0.7561
ea28 1342 1342/1342 1342 ± 0 6.201 5.83/7.036 6.436 ± 0.7672
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 5.754 5.482/5.96 5.729 ± 0.3459
3 1342 1342/1342 1342 ± 0.00002349 5.413 5.206/5.569 5.386 ± 0.3095
4 1342 1342/1342 1342 ± 0.00003281 5.406 5.119/5.63 5.399 ± 0.3152
5 1342 1342/1342 1342 ± 0.00002307 5.796 5.433/5.903 5.637 ± 0.3752
6 1342 1342/1342 1342 ± 0.00002307 5.707 5.424/5.839 5.621 ± 0.3075
7 1342 1342/1342 1342 ± 0.00002307 5.767 5.511/5.879 5.674 ± 0.3263
8 1342 1342/1342 1342 ± 0.00002307 5.644 5.413/5.888 5.627 ± 0.3677
9 1342 1342/1342 1342 ± 0.00002307 6.069 5.742/6.23 5.944 ± 0.3706
10 1342 1342/1342 1342 ± 0.00002307 6.552 6.273/6.625 6.422 ± 0.3829
11 1342 1342/1342 1342 ± 0.00002307 6.764 6.536/6.944 6.664 ± 0.3993
12 1342 1342/1342 1342 ± 0.00002307 6.905 6.614/7.048 6.817 ± 0.4504
13 1342 1342/1342 1342 ± 0.00002307 7.398 7.06/7.747 7.339 ± 0.4772
14 1342 1342/1342 1342 ± 0.00002307 7.679 7.332/7.907 7.556 ± 0.4696
15 1342 1342/1342 1342 ± 0.00002307 7.183 6.869/7.456 7.098 ± 0.4654
16 1342 1342/1342 1342 ± 0.00002617 6.344 6.048/6.662 6.36 ± 0.4349
17 1342 1342/1342 1342 ± 0.00002337 6.32 6.089/6.597 6.306 ± 0.4305
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
overwrite_modelcol
False
Start time
2025-06-07 11:39:23.859
End
2025-06-07 12:38:56.878
Duration
0:59:33.020
Note, WebLog generation is not included in the time.

CASA logs for stage 8