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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.148 5.87/6.765 6.27 ± 0.7543
ea02 1342 1342/1342 1342 ± 0 6.275 5.662/6.69 6.258 ± 0.7582
ea03 1342 1342/1342 1342 ± 0.000005985 6.013 5.497/6.868 6.137 ± 0.8177
ea04 1342 1342/1342 1342 ± 0.000006014 5.612 5.153/6.128 5.664 ± 0.6863
ea05 1342 1342/1342 1342 ± 0 6.101 5.597/6.771 6.093 ± 0.7667
ea06 1342 1342/1342 1342 ± 0 5.903 5.208/6.285 5.776 ± 0.8253
ea07 1342 1342/1342 1342 ± 0 6.09 5.496/6.76 6.137 ± 0.8178
ea08 1342 1342/1342 1342 ± 0 6.65 5.899/7.055 6.572 ± 0.7435
ea09 1342 1342/1342 1342 ± 0 5.791 5.304/6.378 5.788 ± 0.9121
ea10 1342 1342/1342 1342 ± 0 5.897 5.337/6.328 5.816 ± 0.7687
ea11 1342 1342/1342 1342 ± 0 5.755 5.434/6.638 5.937 ± 0.8103
ea12 1342 1342/1342 1342 ± 0 5.635 5.339/6.333 5.826 ± 0.7191
ea13 1342 1342/1342 1342 ± 0 5.938 5.655/6.47 5.977 ± 0.9053
ea14 1342 1342/1342 1342 ± 0 6.09 5.751/6.719 6.168 ± 0.8186
ea15 1342 1342/1342 1342 ± 0 6.833 6.536/7.482 6.993 ± 0.4985
ea17 1342 1342/1342 1342 ± 0 6.381 5.945/7.137 6.465 ± 0.8478
ea18 1342 1342/1342 1342 ± 0 6.411 5.916/7.195 6.51 ± 0.7203
ea19 1342 1342/1342 1342 ± 0 5.996 5.621/6.71 6.104 ± 0.8027
ea20 1342 1342/1342 1342 ± 0 6.37 6.027/7.179 6.569 ± 0.7518
ea21 1342 1342/1342 1342 ± 0 5.501 5.194/6.041 5.606 ± 0.6071
ea22 1342 1342/1342 1342 ± 0 6.181 5.689/6.736 6.219 ± 0.6933
ea23 1342 1342/1342 1342 ± 0 6.257 5.679/6.557 6.173 ± 0.8231
ea24 1342 1342/1342 1342 ± 0 6.319 5.392/6.698 6.078 ± 0.6455
ea25 1342 1342/1342 1342 ± 0 6.686 5.836/7.177 6.596 ± 0.8922
ea27 1342 1342/1342 1342 ± 0 5.751 5.335/6.532 5.813 ± 0.7899
ea28 1342 1342/1342 1342 ± 0 6.351 5.902/7.068 6.517 ± 0.7439
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 ± 0.00002396 5.587 5.397/5.783 5.602 ± 0.2451
3 1342 1342/1342 1342 ± 0.00002474 4.315 3.985/4.551 4.347 ± 0.6163
4 1342 1342/1342 1342 ± 0.00002414 5.5 5.172/5.74 5.519 ± 0.3393
5 1342 1342/1342 1342 ± 0.00002396 5.604 5.307/5.84 5.611 ± 0.2922
6 1342 1342/1342 1342 ± 0.00002396 5.601 5.372/5.807 5.573 ± 0.2802
7 1342 1342/1342 1342 ± 0.00002396 5.667 5.509/5.829 5.643 ± 0.2503
8 1342 1342/1342 1342 ± 0.00002396 5.568 5.33/5.83 5.568 ± 0.3012
9 1342 1342/1342 1342 ± 0.00002396 5.846 5.699/6.109 5.878 ± 0.2931
10 1342 1342/1342 1342 ± 0.00002352 6.409 6.247/6.497 6.373 ± 0.2792
11 1342 1342/1342 1342 ± 0.00002352 6.568 6.366/6.754 6.587 ± 0.2793
12 1342 1342/1342 1342 ± 0.00002352 6.749 6.5/6.884 6.725 ± 0.3275
13 1342 1342/1342 1342 ± 0.00002352 7.232 6.919/7.542 7.22 ± 0.3567
14 1342 1342/1342 1342 ± 0.00002352 7.349 7.053/7.724 7.385 ± 0.3754
15 1342 1342/1342 1342 ± 0.00002352 7.18 6.748/7.36 7.076 ± 0.3705
16 1342 1342/1342 1342 ± 0.00002352 6.401 6.114/6.753 6.431 ± 0.4097
17 1342 1342/1342 1342 ± 0.00002352 6.443 6.076/6.631 6.37 ± 0.3976
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-30 20:19:22.531
End
2025-07-30 20:50:42.331
Duration
0:31:19.801
Note, WebLog generation is not included in the time.

CASA logs for stage 8