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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.228 5.48/6.603 6.103 ± 0.6711
ea02 1342 1342/1342 1342 ± 0 6.311 5.528/6.575 6.207 ± 0.6725
ea03 1342 1342/1342 1342 ± 0 6.279 5.414/6.906 6.248 ± 0.7899
ea04 1342 1342/1342 1342 ± 0.000004892 5.647 5.07/6.093 5.623 ± 0.6402
ea05 1342 1342/1342 1342 ± 0 6.102 5.224/6.697 5.95 ± 0.7216
ea06 1342 1342/1342 1342 ± 0 6.204 5.121/6.399 5.898 ± 0.7098
ea07 1342 1342/1342 1342 ± 0 6.121 5.142/6.454 5.946 ± 0.782
ea08 1342 1342/1342 1342 ± 0 6.578 5.544/6.794 6.335 ± 0.7224
ea09 1342 1342/1342 1342 ± 0 5.651 5.032/6.418 5.688 ± 0.7195
ea10 1342 1342/1342 1342 ± 0 5.848 5.058/6.254 5.713 ± 0.6511
ea11 1342 1342/1342 1342 ± 0 5.741 5.258/6.497 5.836 ± 0.7404
ea12 1342 1342/1342 1342 ± 0 5.77 5.207/6.404 5.864 ± 0.6489
ea13 1342 1342/1342 1342 ± 0 5.984 5.337/6.256 5.88 ± 0.5595
ea14 1342 1342/1342 1342 ± 0 6.081 5.445/6.469 6.035 ± 0.6511
ea15 1342 1342/1342 1342 ± 0 6.139 5.415/6.542 6.021 ± 0.7294
ea16 1342 1342/1342 1342 ± 0 6.308 5.668/6.772 6.267 ± 0.7363
ea17 1342 1342/1342 1342 ± 0 6.212 5.649/7.076 6.332 ± 0.7573
ea18 1342 1342/1342 1342 ± 0 6.416 5.721/7.065 6.348 ± 0.7417
ea19 1342 1342/1342 1342 ± 0 6.137 5.385/6.614 6.07 ± 0.6617
ea20 1342 1342/1342 1342 ± 0 6.448 5.714/7.068 6.369 ± 0.7237
ea21 1342 1342/1342 1342 ± 0 5.623 5.183/6.111 5.665 ± 0.5667
ea22 1342 1342/1342 1342 ± 0 6.213 5.449/6.535 6.028 ± 0.6768
ea23 1342 1342/1342 1342 ± 0 6.156 5.302/6.337 5.992 ± 0.7233
ea24 1342 1342/1342 1342 ± 0 6.168 4.916/6.545 5.714 ± 0.9172
ea25 1342 1342/1342 1342 ± 0 6.677 5.847/7.232 6.663 ± 0.8342
ea27 1342 1342/1342 1342 ± 0 6.085 5.233/6.529 5.949 ± 0.6991
ea28 1342 1342/1342 1342 ± 0 6.366 5.675/6.978 6.287 ± 0.7047
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 ± 0.000024 5.329 5.181/5.497 5.312 ± 0.2883
4 1342 1342/1342 1342 ± 0.00002524 5.146 4.981/5.295 5.117 ± 0.3791
5 1342 1342/1342 1342 ± 0.000024 5.272 5.116/5.517 5.299 ± 0.2876
6 1342 1342/1342 1342 ± 0.000024 5.2 4.951/5.41 5.181 ± 0.2747
7 1342 1342/1342 1342 ± 0.000024 5.393 5.208/5.642 5.404 ± 0.2434
8 1342 1342/1342 1342 ± 0.000024 5.426 5.149/5.538 5.382 ± 0.2887
9 1342 1342/1342 1342 ± 0.000024 5.69 5.615/5.883 5.727 ± 0.278
10 1342 1342/1342 1342 ± 0.000024 6.215 6.125/6.315 6.211 ± 0.2464
11 1342 1342/1342 1342 ± 0.000024 6.426 6.227/6.602 6.435 ± 0.2522
12 1342 1342/1342 1342 ± 0.000024 6.536 6.334/6.774 6.581 ± 0.3119
13 1342 1342/1342 1342 ± 0.000024 7.034 6.813/7.337 7.047 ± 0.3326
14 1342 1342/1342 1342 ± 0.000024 7.192 6.938/7.426 7.2 ± 0.3348
15 1342 1342/1342 1342 ± 0.000024 6.915 6.557/7.144 6.896 ± 0.339
16 1342 1342/1342 1342 ± 0.000024 6.307 6.119/6.618 6.344 ± 0.3504
17 1342 1342/1342 1342 ± 0.000024 6.327 6.064/6.475 6.278 ± 0.3368
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-29 02:12:39.344
End
2025-07-29 03:08:31.877
Duration
0:55:52.533
Note, WebLog generation is not included in the time.

CASA logs for stage 8