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 6.049 5.67/6.667 6.149 ± 0.8052
ea02 1342 1342/1342 1342 ± 0 6.336 5.66/6.553 6.278 ± 0.6209
ea03 1342 1342/1342 1342 ± 0 6.225 5.521/6.847 6.288 ± 0.7324
ea04 1342 1342/1342 1342 ± 0 5.618 5.129/6.075 5.716 ± 0.5607
ea05 1342 1342/1342 1342 ± 0 6.104 5.389/6.715 6.03 ± 0.7073
ea06 1342 1342/1342 1342 ± 0 6.115 5.197/6.337 5.891 ± 0.6719
ea07 1342 1342/1342 1342 ± 0 5.945 5.381/6.536 6.015 ± 0.7649
ea08 1342 1342/1342 1342 ± 0 6.502 5.748/6.849 6.444 ± 0.7124
ea09 1342 1342/1342 1342 ± 0 5.719 5.191/6.492 5.892 ± 0.6843
ea10 1342 1342/1342 1342 ± 0 5.95 5.334/6.348 5.864 ± 0.6059
ea11 1342 1342/1342 1342 ± 0 5.704 5.346/6.537 5.833 ± 0.8105
ea12 1342 1342/1342 1342 ± 0 5.655 5.284/6.188 5.762 ± 0.6988
ea13 1342 1342/1342 1342 ± 0 6.163 5.594/6.342 6.087 ± 0.545
ea14 1342 1342/1342 1342 ± 0 6.264 5.67/6.582 6.176 ± 0.6246
ea15 1342 1342/1342 1342 ± 0 6.271 5.595/6.663 6.262 ± 0.7024
ea16 1342 1342/1342 1342 ± 0 6.224 5.841/6.781 6.386 ± 0.6743
ea17 1342 1342/1342 1342 ± 0 6.152 5.835/6.987 6.354 ± 0.8374
ea18 1342 1342/1342 1342 ± 0 6.395 5.883/7.034 6.475 ± 0.7366
ea19 1342 1342/1342 1342 ± 0 5.967 5.544/6.579 6.112 ± 0.7244
ea20 1342 1342/1342 1342 ± 0 5.972 5.686/6.116 5.763 ± 0.6224
ea21 1342 1342/1342 1342 ± 0 5.513 5.106/5.923 5.578 ± 0.5022
ea22 1342 1342/1342 1342 ± 0 5.952 5.511/6.402 5.998 ± 0.6694
ea23 1342 1342/1342 1342 ± 0 6.105 5.467/6.296 6.048 ± 0.6647
ea24 1342 1342/1342 1342 ± 0 6.323 5.443/6.673 6.079 ± 0.6536
ea25 1342 1342/1342 1342 ± 0 6.614 5.78/7.199 6.57 ± 0.8457
ea27 1342 1342/1342 1342 ± 0 5.991 5.374/6.382 5.917 ± 0.5954
ea28 1342 1342/1342 1342 ± 0 6.53 5.811/7.015 6.5 ± 0.7004
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 ± 0.00002309 5.556 5.335/5.687 5.556 ± 0.2585
3 1342 1342/1342 1342 ± 0.00003459 4.644 4.257/4.884 4.68 ± 0.486
4 1342 1342/1342 1342 ± 0.00002309 5.45 5.161/5.665 5.455 ± 0.2936
5 1342 1342/1342 1342 ± 0.00002309 5.517 5.242/5.749 5.535 ± 0.2975
6 1342 1342/1342 1342 ± 0.00002309 5.494 5.206/5.665 5.441 ± 0.2702
7 1342 1342/1342 1342 ± 0.00002309 5.568 5.401/5.784 5.566 ± 0.245
8 1342 1342/1342 1342 ± 0.00002309 5.52 5.245/5.691 5.484 ± 0.2881
9 1342 1342/1342 1342 ± 0.00002309 5.764 5.644/5.984 5.794 ± 0.2979
10 1342 1342/1342 1342 ± 0.00002351 6.238 6.121/6.331 6.221 ± 0.2577
11 1342 1342/1342 1342 ± 0.00002351 6.412 6.233/6.61 6.432 ± 0.2683
12 1342 1342/1342 1342 ± 0.00002351 6.541 6.351/6.764 6.579 ± 0.318
13 1342 1342/1342 1342 ± 0.00002351 7.069 6.763/7.327 7.068 ± 0.3333
14 1342 1342/1342 1342 ± 0.00002351 7.333 7.053/7.54 7.321 ± 0.3559
15 1342 1342/1342 1342 ± 0.00002351 7.002 6.764/7.322 7.021 ± 0.3633
16 1342 1342/1342 1342 ± 0.00002351 6.353 6.104/6.727 6.404 ± 0.3913
17 1342 1342/1342 1342 ± 0.00002351 6.341 6.126/6.649 6.364 ± 0.3777
output_dir
 
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-08-04 23:29:40.150
End
2025-08-05 00:04:38.921
Duration
0:34:58.771
Note, WebLog generation is not included in the time.

CASA logs for stage 8