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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.92 4.897/6.393 5.65 ± 0.8232
ea02 1342 1342/1342 1342 ± 0.00004127 5.682 5.08/6.258 5.682 ± 0.6897
ea03 1342 1342/1342 1342 ± 0.00003262 4.88 4.711/6.401 5.5 ± 0.8667
ea04 1342 1342/1342 1342 ± 0.00003983 4.983 4.826/5.933 5.367 ± 0.6541
ea05 1342 1342/1342 1342 ± 0.00004061 5.161 4.559/6.128 5.405 ± 0.8965
ea06 1342 1342/1342 1342 ± 0.00001379 5.806 4.312/5.965 5.26 ± 0.9494
ea07 1342 1342/1342 1342 ± 0.00003773 4.98 4.745/6.135 5.46 ± 0.7867
ea08 1342 1342/1342 1342 ± 0.00003774 6.022 5.237/6.607 5.857 ± 0.846
ea09 1342 1342/1342 1342 ± 0.00004104 4.809 4.579/5.962 5.245 ± 0.7528
ea10 1342 1342/1342 1342 ± 0.00003964 4.288 4.013/4.877 4.435 ± 0.4345
ea11 1342 1342/1342 1342 ± 0.00004108 5.078 4.49/6.38 5.445 ± 1.042
ea12 1342 1342/1342 1342 ± 0.00003847 4.991 4.738/5.922 5.331 ± 0.6771
ea14 1342 1342/1342 1342 ± 0.00004274 6.021 5.263/6.332 5.814 ± 0.6739
ea15 1342 1342/1342 1342 ± 0.0000441 5.893 5.088/6.361 5.785 ± 0.8182
ea16 1342 1342/1342 1342 ± 0.00002307 5.929 5.217/6.529 5.888 ± 0.8118
ea17 1342 1342/1342 1342 ± 0.00003988 5.653 5.256/6.604 5.885 ± 0.7224
ea18 1342 1342/1342 1342 ± 0.00003917 5.607 5.139/6.605 5.827 ± 0.8629
ea19 1342 1342/1342 1342 ± 0.00003048 5.752 4.849/6.363 5.596 ± 0.8014
ea20 1342 1342/1342 1342 ± 0.00002895 6.083 5.577/6.926 6.185 ± 0.806
ea21 1342 1342/1342 1342 ± 0.00001308 5.177 4.608/5.803 5.237 ± 0.674
ea22 1342 1342/1342 1342 ± 0.00003905 5.42 4.939/6.224 5.597 ± 0.7111
ea23 1342 1342/1342 1342 ± 0.000039 5.67 5.089/6.329 5.728 ± 0.8046
ea24 1342 1342/1342 1342 ± 0.00001313 5.195 4.697/6.201 5.434 ± 0.7924
ea25 1342 1342/1342 1342 ± 0.000003648 5.729 4.871/6.717 5.837 ± 1.062
ea27 1342 1342/1342 1342 ± 0.00001728 5.672 4.903/6.174 5.521 ± 0.694
ea28 1342 1342/1342 1342 ± 0.00002545 5.305 5.063/6.622 5.816 ± 0.8624
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 ± 0.00002548 4.717 4.552/4.922 4.697 ± 0.3789
5 1342 1342/1342 1342 ± 0.00002503 5.193 4.946/5.617 5.224 ± 0.4332
6 1342 1342/1342 1342 ± 0.00002548 4.73 4.501/5.078 4.772 ± 0.4082
7 1342 1342/1342 1342 ± 0.00002548 4.858 4.689/5.119 4.879 ± 0.362
8 1342 1342/1342 1342 ± 0.00002548 4.962 4.77/5.22 4.979 ± 0.371
9 1342 1342/1342 1342 ± 0.00002744 4.927 4.671/5.266 4.976 ± 0.4507
10 1342 1342/1342 1342 ± 0.00002452 5.924 5.741/6.13 5.899 ± 0.3258
11 1342 1342/1342 1342 ± 0.00002452 6.166 6.057/6.365 6.146 ± 0.3479
12 1342 1342/1342 1342 ± 0.00002452 6.342 6.142/6.514 6.301 ± 0.4077
13 1342 1342/1342 1342 ± 0.00002452 6.809 6.544/7.082 6.742 ± 0.5048
14 1342 1342/1342 1342 ± 0.00002503 6.694 6.527/6.932 6.775 ± 0.3614
15 1342 1342/1342 1342 ± 0.00004697 5.975 5.729/6.239 5.977 ± 0.4463
16 1342 1342/1342 1342 ± 0.00005646 4.628 4.504/4.799 4.648 ± 0.2369
17 1342 1342/1342 1342 ± 0.00005687 4.72 4.566/4.882 4.72 ± 0.2361
statwtmode
VLASS-SE
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-26 17:47:51.067
End
2025-07-26 18:45:46.464
Duration
0:57:55.397
Note, WebLog generation is not included in the time.

CASA logs for stage 8