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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 5.521 5.387/6.201 5.738 ± 0.5333
ea02 1342 1342/1342 1342 ± 0 6.117 5.748/6.524 6.267 ± 0.594
ea03 1342 1342/1342 1342 ± 0 6.247 5.501/6.791 6.24 ± 0.6984
ea04 1342 1342/1342 1342 ± 0.00002846 5.624 5.325/6.209 5.755 ± 0.5557
ea05 1342 1342/1342 1342 ± 0.0000267 5.724 5.46/6.641 5.96 ± 0.6491
ea06 1342 1342/1342 1342 ± 0.000001294 5.898 5.131/6.1 5.793 ± 0.617
ea07 1342 1342/1342 1342 ± 0 5.929 5.305/6.36 5.985 ± 0.697
ea08 1342 1342/1342 1342 ± 0 6.263 5.78/6.939 6.449 ± 0.6589
ea09 1342 1342/1342 1342 ± 0.000006183 5.548 5.216/6.482 5.734 ± 0.6504
ea10 1342 1342/1342 1342 ± 0 5.419 5.235/6.15 5.625 ± 0.5605
ea11 1342 1342/1342 1342 ± 0.0000417 5.418 5.006/6.261 5.646 ± 0.6491
ea12 1342 1342/1342 1342 ± 0.00003747 5.565 5.448/6.38 5.878 ± 0.5782
ea13 1342 1342/1342 1342 ± 0 5.916 5.711/6.559 6.102 ± 0.6545
ea14 1342 1342/1342 1342 ± 0 5.953 5.7/6.71 6.208 ± 0.5957
ea15 1342 1342/1342 1342 ± 0.00003615 5.9 5.612/6.722 6.147 ± 0.7288
ea17 1342 1342/1342 1342 ± 0 6.282 5.859/7.142 6.385 ± 0.6833
ea18 1342 1342/1342 1342 ± 0 6.483 5.947/7.192 6.508 ± 0.6988
ea19 1342 1342/1342 1342 ± 0.00003442 5.785 5.471/6.597 6.049 ± 0.6011
ea20 1342 1342/1342 1342 ± 0 5.898 5.669/6.771 6.11 ± 0.6385
ea21 1342 1342/1342 1342 ± 0 5.336 5.098/5.968 5.568 ± 0.5119
ea22 1342 1342/1342 1342 ± 0 6.378 6.064/7.032 6.563 ± 0.6549
ea23 1342 1342/1342 1342 ± 0 5.652 5.501/6.346 5.995 ± 0.6404
ea24 1342 1342/1342 1342 ± 0 5.921 5.458/6.721 6.012 ± 0.6432
ea25 1342 1342/1342 1342 ± 0 6.511 5.743/6.963 6.509 ± 0.783
ea28 1342 1342/1342 1342 ± 0 6.006 5.791/7.1 6.356 ± 0.6579
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 ± 0.00002406 5.607 5.398/5.755 5.564 ± 0.2857
4 1342 1342/1342 1342 ± 0.0000292 5.163 4.919/5.355 5.17 ± 0.3653
5 1342 1342/1342 1342 ± 0.00002406 5.452 5.285/5.658 5.485 ± 0.292
6 1342 1342/1342 1342 ± 0.00002406 5.459 5.241/5.708 5.453 ± 0.2916
7 1342 1342/1342 1342 ± 0.00002406 5.519 5.402/5.722 5.525 ± 0.263
8 1342 1342/1342 1342 ± 0.00002406 5.496 5.278/5.679 5.461 ± 0.2803
9 1342 1342/1342 1342 ± 0.00002406 5.748 5.569/5.985 5.775 ± 0.3014
10 1342 1342/1342 1342 ± 0.00002392 6.272 6.043/6.437 6.232 ± 0.2749
11 1342 1342/1342 1342 ± 0.00002392 6.47 6.187/6.66 6.444 ± 0.3046
12 1342 1342/1342 1342 ± 0.00002392 6.598 6.344/6.794 6.595 ± 0.3451
13 1342 1342/1342 1342 ± 0.00002392 7.101 6.74/7.348 7.046 ± 0.3574
14 1342 1342/1342 1342 ± 0.00002392 7.226 6.864/7.424 7.167 ± 0.4063
15 1342 1342/1342 1342 ± 0.00002392 6.892 6.629/7.18 6.883 ± 0.3607
16 1342 1342/1342 1342 ± 0.00004734 5.86 5.627/6.333 5.939 ± 0.4249
17 1342 1342/1342 1342 ± 0.00004936 5.808 5.532/6.102 5.8 ± 0.3842
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-19 07:04:04.529
End
2025-07-19 07:50:07.352
Duration
0:46:02.823
Note, WebLog generation is not included in the time.

CASA logs for stage 8