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

Statwt Summary Plot

VLASS3.2.sb45603243.eb46103640.60451.43735429399_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 6.033 5.714/6.66 6.136 ± 0.7587
ea02 1342 1342/1342 1342 ± 0 6.331 5.643/6.52 6.274 ± 0.6142
ea03 1342 1342/1342 1342 ± 0 6.233 5.494/6.874 6.286 ± 0.7612
ea04 1342 1342/1342 1342 ± 0.00000578 5.621 5.088/6.06 5.671 ± 0.5764
ea05 1342 1342/1342 1342 ± 0 5.833 5.414/6.742 6.003 ± 0.7822
ea06 1342 1342/1342 1342 ± 0 6.134 5.181/6.332 5.881 ± 0.6711
ea07 1342 1342/1342 1342 ± 0 5.968 5.381/6.478 6.005 ± 0.7416
ea08 1342 1342/1342 1342 ± 0 6.558 5.807/6.938 6.513 ± 0.7057
ea09 1342 1342/1342 1342 ± 0 5.723 5.252/6.468 5.871 ± 0.6471
ea10 1342 1342/1342 1342 ± 0 5.756 5.262/6.269 5.707 ± 0.8222
ea11 1342 1342/1342 1342 ± 0 5.692 5.349/6.575 5.848 ± 0.7845
ea12 1342 1342/1342 1342 ± 0 5.71 5.354/6.23 5.803 ± 0.7135
ea13 1342 1342/1342 1342 ± 0 6.177 5.707/6.42 6.148 ± 0.5263
ea14 1342 1342/1342 1342 ± 0 6.152 5.599/6.568 6.112 ± 0.7505
ea15 1342 1342/1342 1342 ± 0 6.244 5.641/6.677 6.251 ± 0.6965
ea16 1342 1342/1342 1342 ± 0 6.274 5.815/6.778 6.371 ± 0.675
ea17 1342 1342/1342 1342 ± 0 6.211 5.813/6.976 6.342 ± 0.8705
ea18 1342 1342/1342 1342 ± 0 6.564 5.944/7.226 6.517 ± 0.7052
ea19 1342 1342/1342 1342 ± 0 6.026 5.54/6.604 6.133 ± 0.7163
ea20 1342 1342/1342 1342 ± 0 6.068 5.747/6.145 5.873 ± 0.4853
ea21 1342 1342/1342 1342 ± 0 5.48 5.117/5.869 5.548 ± 0.4975
ea22 1342 1342/1342 1342 ± 0 5.987 5.539/6.426 6.038 ± 0.6543
ea23 1342 1342/1342 1342 ± 0 6.169 5.472/6.36 6.072 ± 0.6513
ea24 1342 1342/1342 1342 ± 0 6.331 5.41/6.784 6.116 ± 0.6728
ea25 1342 1342/1342 1342 ± 0 6.633 5.82/7.22 6.606 ± 0.8463
ea27 1342 1342/1342 1342 ± 0 6.02 5.391/6.444 5.941 ± 0.5992
ea28 1342 1342/1342 1342 ± 0 6.532 5.824/7.125 6.5 ± 0.6937
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 5.567 5.396/5.738 5.57 ± 0.2672
3 1342 1342/1342 1342 ± 0.00003254 4.406 4.269/5.056 4.673 ± 0.6416
4 1342 1342/1342 1342 ± 0.00002307 5.378 5.217/5.72 5.454 ± 0.303
5 1342 1342/1342 1342 ± 0.00002307 5.478 5.255/5.78 5.535 ± 0.3162
6 1342 1342/1342 1342 ± 0.00002307 5.487 5.181/5.654 5.425 ± 0.282
7 1342 1342/1342 1342 ± 0.00002307 5.569 5.423/5.762 5.571 ± 0.2533
8 1342 1342/1342 1342 ± 0.00002307 5.536 5.257/5.687 5.504 ± 0.2988
9 1342 1342/1342 1342 ± 0.00002307 5.799 5.659/6.004 5.818 ± 0.3025
10 1342 1342/1342 1342 ± 0.0000235 6.267 6.134/6.361 6.249 ± 0.2705
11 1342 1342/1342 1342 ± 0.0000235 6.51 6.262/6.664 6.467 ± 0.2847
12 1342 1342/1342 1342 ± 0.0000235 6.602 6.393/6.832 6.616 ± 0.3339
13 1342 1342/1342 1342 ± 0.0000235 7.093 6.805/7.355 7.087 ± 0.3449
14 1342 1342/1342 1342 ± 0.0000235 7.351 7.099/7.546 7.317 ± 0.3639
15 1342 1342/1342 1342 ± 0.0000235 7.031 6.719/7.284 7.017 ± 0.3635
16 1342 1342/1342 1342 ± 0.0000235 6.378 6.088/6.734 6.388 ± 0.3974
17 1342 1342/1342 1342 ± 0.0000235 6.319 6.111/6.6 6.338 ± 0.3839
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-30 04:30:00.215
End
2025-07-30 05:06:55.779
Duration
0:36:55.563
Note, WebLog generation is not included in the time.

CASA logs for stage 8