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 6.559 5.889/7.056 6.436 ± 0.7297
ea03 1342 1342/1342 1342 ± 0.000009205 6.034 5.361/6.871 6.032 ± 0.7736
ea04 1342 1342/1342 1342 ± 0 5.918 5.447/6.409 5.966 ± 0.6448
ea05 1342 1342/1342 1342 ± 0 6.061 5.694/7.044 6.367 ± 0.7536
ea06 1342 1342/1342 1342 ± 0 6.356 5.667/6.619 6.245 ± 0.6102
ea07 1342 1342/1342 1342 ± 0 6.219 5.534/6.348 6.137 ± 0.6165
ea08 1342 1342/1342 1342 ± 0.000004552 6.609 5.714/6.928 6.466 ± 0.7252
ea09 1342 1342/1342 1342 ± 0 6.201 5.657/6.983 6.309 ± 0.7739
ea10 1342 1342/1342 1342 ± 0 6.243 5.768/7.048 6.376 ± 0.672
ea11 1342 1342/1342 1342 ± 0 6.305 5.585/6.934 6.349 ± 0.7929
ea12 1342 1342/1342 1342 ± 0 6.515 5.784/6.882 6.478 ± 0.7151
ea13 1342 1342/1342 1342 ± 0 6.029 5.927/6.544 6.204 ± 0.5085
ea14 1342 1342/1342 1342 ± 0 6.235 5.859/6.966 6.456 ± 0.6789
ea15 1342 1342/1342 1342 ± 0 5.295 4.889/5.687 5.329 ± 0.5228
ea16 1342 1342/1342 1342 ± 0 6.483 5.866/7.045 6.486 ± 0.7791
ea17 1342 1342/1342 1342 ± 0 6.604 6.051/7.507 6.792 ± 0.7638
ea18 1342 1342/1342 1342 ± 0 5.252 4.898/5.668 5.29 ± 0.5045
ea19 1342 1342/1342 1342 ± 0 6.526 6.123/7.438 6.742 ± 0.7348
ea20 1342 1342/1342 1342 ± 0 5.954 5.854/6.987 6.293 ± 0.685
ea21 1342 1342/1342 1342 ± 0 5.928 5.671/6.714 6.143 ± 0.6166
ea22 1342 1342/1342 1342 ± 0 6.346 5.506/6.714 6.134 ± 0.6906
ea23 1342 1342/1342 1342 ± 0 6.048 5.934/7.01 6.47 ± 0.7529
ea24 1342 1342/1342 1342 ± 0 6.223 5.363/6.627 6.045 ± 0.6103
ea25 1342 1342/1342 1342 ± 0 6.647 5.794/6.881 6.514 ± 0.7816
ea26 1342 1342/1342 1342 ± 0 6.609 6.003/7.334 6.612 ± 0.812
ea27 1342 1342/1342 1342 ± 0 6.191 5.751/7.127 6.378 ± 0.7543
ea28 1342 1342/1342 1342 ± 0 6.261 5.902/7.09 6.5 ± 0.74
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 ± 0.00002306 5.774 5.542/5.947 5.746 ± 0.3345
3 1342 1342/1342 1342 ± 0.00002349 5.483 5.294/5.603 5.438 ± 0.3028
4 1342 1342/1342 1342 ± 0.00003723 5.338 5.206/5.679 5.327 ± 0.444
5 1342 1342/1342 1342 ± 0.00002306 5.785 5.438/5.945 5.66 ± 0.3715
6 1342 1342/1342 1342 ± 0.00002306 5.695 5.418/5.867 5.635 ± 0.3032
7 1342 1342/1342 1342 ± 0.00002306 5.747 5.535/5.886 5.692 ± 0.3144
8 1342 1342/1342 1342 ± 0.00002306 5.67 5.447/5.879 5.65 ± 0.352
9 1342 1342/1342 1342 ± 0.00002306 6.075 5.76/6.259 5.966 ± 0.3649
10 1342 1342/1342 1342 ± 0.00002306 6.54 6.275/6.68 6.43 ± 0.3709
11 1342 1342/1342 1342 ± 0.00002306 6.762 6.55/6.962 6.681 ± 0.3919
12 1342 1342/1342 1342 ± 0.00002306 6.9 6.631/7.054 6.83 ± 0.4426
13 1342 1342/1342 1342 ± 0.00002306 7.416 7.065/7.764 7.354 ± 0.4781
14 1342 1342/1342 1342 ± 0.00002306 7.702 7.352/7.9 7.571 ± 0.468
15 1342 1342/1342 1342 ± 0.00002306 7.208 6.883/7.483 7.109 ± 0.4684
16 1342 1342/1342 1342 ± 0.0000239 6.35 6.039/6.648 6.354 ± 0.4325
17 1342 1342/1342 1342 ± 0.00002344 6.384 6.044/6.604 6.307 ± 0.4342
output_dir
 
datacolumn
residual_data
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-06-07 17:42:31.453
End
2025-06-07 18:55:30.278
Duration
1:12:58.825
Note, WebLog generation is not included in the time.

CASA logs for stage 8