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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.558 5.066/6.274 5.467 ± 1.033
ea02 1342 1342/1342 1342 ± 0.00003042 5.596 5.327/6.487 5.636 ± 0.9658
ea03 1342 1342/1342 1342 ± 0.00000178 5.439 5.273/6.363 5.673 ± 0.7463
ea04 1342 1342/1342 1342 ± 0.00004554 5.23 4.767/6.076 5.225 ± 0.8421
ea05 1342 1342/1342 1342 ± 0.0000506 5.404 4.821/6.495 5.417 ± 1.045
ea06 1342 1342/1342 1342 ± 0.00002721 5.051 4.819/6.02 5.226 ± 0.8232
ea07 1342 1342/1342 1342 ± 0.00004121 5.255 5.091/6.364 5.472 ± 0.9794
ea08 1342 1342/1342 1342 ± 0.00000905 5.847 5.535/6.825 5.897 ± 1.035
ea09 1342 1342/1342 1342 ± 0.00004739 5.157 4.8/6.082 5.188 ± 0.874
ea10 1342 1342/1342 1342 ± 0.00004455 5.07 4.694/6.01 5.068 ± 0.8817
ea11 1342 1342/1342 1342 ± 0.00005193 5.254 4.536/6.102 5.079 ± 1.023
ea13 1342 1342/1342 1342 ± 0.000008644 5.373 5.176/6.054 5.421 ± 0.5813
ea14 1342 1342/1342 1342 ± 0.00004889 5.55 5.236/6.56 5.554 ± 1.037
ea15 1342 1342/1342 1342 ± 0.00005016 5.561 5.11/6.672 5.573 ± 1.056
ea16 1342 1342/1342 1342 ± 0.00002555 5.734 5.409/6.576 5.761 ± 0.969
ea17 1342 1342/1342 1342 ± 0.00004199 5.721 5.346/6.695 5.753 ± 1.11
ea18 1342 1342/1342 1342 ± 0.00000569 5.846 5.624/6.886 5.969 ± 1.033
ea19 1342 1342/1342 1342 ± 0.00004137 5.526 5.164/6.471 5.477 ± 1.035
ea20 1342 1342/1342 1342 ± 0.00003002 5.445 5.337/6.138 5.541 ± 0.7008
ea21 1342 1342/1342 1342 ± 0.000006158 5.076 4.901/5.701 5.18 ± 0.6115
ea22 1342 1342/1342 1342 ± 0.00001837 5.704 5.317/6.588 5.712 ± 0.9778
ea23 1342 1342/1342 1342 ± 0.00004686 5.628 5.148/6.433 5.559 ± 1.014
ea24 1342 1342/1342 1342 ± 0.000001847 4.995 4.91/6.062 5.359 ± 0.6564
ea25 1342 1342/1342 1342 ± 0.00001214 5.725 5.384/6.851 5.995 ± 0.8632
ea27 1342 1342/1342 1342 ± 0.00001539 5.288 5.002/6.4 5.409 ± 0.9474
ea28 1342 1342/1342 1342 ± 0 5.594 5.53/6.388 5.816 ± 0.7301
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 ± 0.00002353 5.332 5.037/5.454 5.261 ± 0.2743
5 1342 1342/1342 1342 ± 0.00003034 5.172 4.901/5.554 5.199 ± 0.3799
6 1342 1342/1342 1342 ± 0.00002353 5.331 5.074/5.546 5.303 ± 0.281
7 1342 1342/1342 1342 ± 0.00002353 5.357 5.168/5.532 5.317 ± 0.2611
8 1342 1342/1342 1342 ± 0.00002353 5.36 5.123/5.532 5.318 ± 0.2801
9 1342 1342/1342 1342 ± 0.00002353 5.577 5.359/5.882 5.559 ± 0.3293
10 1342 1342/1342 1342 ± 0.00002398 6.143 6.051/6.318 6.139 ± 0.278
11 1342 1342/1342 1342 ± 0.00002353 6.479 6.136/6.591 6.409 ± 0.2711
12 1342 1342/1342 1342 ± 0.00002353 6.641 6.39/6.826 6.579 ± 0.3275
13 1342 1342/1342 1342 ± 0.00002356 6.697 6.32/6.953 6.662 ± 0.4084
14 1342 1342/1342 1342 ± 0.000055 5.13 4.523/5.644 5.148 ± 0.7154
15 1342 1342/1342 1342 ± 0.00002353 6.697 6.123/7.009 6.575 ± 0.5253
16 1342 1342/1342 1342 ± 0.00006098 3.788 3.618/4.232 3.947 ± 0.4718
17 1342 1342/1342 1342 ± 0.00006103 3.711 3.524/4.044 3.797 ± 0.3904
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-23 02:27:52.239
End
2025-07-23 02:51:26.866
Duration
0:23:34.627
Note, WebLog generation is not included in the time.

CASA logs for stage 8