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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.475 5.273/6.567 5.733 ± 0.8486
ea02 1342 1342/1342 1342 ± 0.00002612 5.609 5.227/6.358 5.668 ± 0.9098
ea03 1342 1342/1342 1342 ± 0 5.378 5.111/6.611 5.737 ± 0.8482
ea04 1342 1342/1342 1342 ± 0.00004369 5.091 4.819/6.027 5.252 ± 0.7562
ea05 1342 1342/1342 1342 ± 0.00004257 5.295 5.062/6.37 5.523 ± 0.9269
ea06 1342 1342/1342 1342 ± 0.000002938 4.933 4.727/5.87 5.288 ± 0.7798
ea07 1342 1342/1342 1342 ± 0.00003787 5.063 4.845/6.176 5.326 ± 1.032
ea08 1342 1342/1342 1342 ± 0 5.59 5.235/6.724 5.843 ± 0.9591
ea09 1342 1342/1342 1342 ± 0.00004232 4.957 4.658/5.897 5.177 ± 0.7682
ea10 1342 1342/1342 1342 ± 0.00004388 4.996 4.612/6.041 5.215 ± 0.833
ea11 1342 1342/1342 1342 ± 0.00004559 5.219 4.584/6.285 5.262 ± 1.009
ea12 1342 1342/1342 1342 ± 0.00004072 5.114 4.804/6.081 5.279 ± 0.757
ea14 1342 1342/1342 1342 ± 0.00004184 5.566 5.205/6.498 5.707 ± 0.8272
ea15 1342 1342/1342 1342 ± 0.00004371 5.643 5.112/6.577 5.753 ± 0.9564
ea16 1342 1342/1342 1342 ± 0.000003285 5.579 5.168/6.551 5.753 ± 0.9401
ea17 1342 1342/1342 1342 ± 0.00003958 5.554 5.156/6.584 5.662 ± 1.021
ea18 1342 1342/1342 1342 ± 0 5.671 5.329/6.886 5.874 ± 0.9622
ea19 1342 1342/1342 1342 ± 0.00003407 5.114 4.943/6.457 5.466 ± 0.8817
ea20 1342 1342/1342 1342 ± 0.00004072 5.749 5.397/6.944 5.873 ± 1.058
ea21 1342 1342/1342 1342 ± 0 4.963 4.847/5.871 5.266 ± 0.6827
ea22 1342 1342/1342 1342 ± 0.00001689 5.487 5.039/6.589 5.53 ± 0.9817
ea23 1342 1342/1342 1342 ± 0.00004246 5.477 5.038/6.353 5.678 ± 0.8348
ea24 1342 1342/1342 1342 ± 0.00002308 5.127 5.056/6.553 5.634 ± 0.8441
ea25 1342 1342/1342 1342 ± 0 5.66 5.369/6.806 6.046 ± 0.946
ea27 1342 1342/1342 1342 ± 0.000009815 5.118 4.96/6.361 5.524 ± 0.7875
ea28 1342 1342/1342 1342 ± 0.00003273 5.63 5.372/6.91 5.886 ± 0.9369
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 ± 0.00002351 5.145 4.956/5.282 5.143 ± 0.2717
3 1342 1342/1342 1342 ± 0.00003686 3.963 3.427/4.214 3.885 ± 0.5544
4 1342 1342/1342 1342 ± 0.00004222 3.858 3.682/3.98 3.842 ± 0.2204
5 1342 1342/1342 1342 ± 0.00002351 5.095 4.923/5.397 5.141 ± 0.2998
6 1342 1342/1342 1342 ± 0.00002351 5.133 4.903/5.421 5.14 ± 0.2734
7 1342 1342/1342 1342 ± 0.00002351 5.23 4.957/5.403 5.19 ± 0.2582
8 1342 1342/1342 1342 ± 0.00002351 5.171 4.994/5.426 5.194 ± 0.2933
9 1342 1342/1342 1342 ± 0.00002351 5.546 5.273/5.727 5.518 ± 0.3116
10 1342 1342/1342 1342 ± 0.00002351 6.119 5.829/6.222 6.053 ± 0.2876
11 1342 1342/1342 1342 ± 0.00002351 6.33 6.115/6.47 6.299 ± 0.2851
12 1342 1342/1342 1342 ± 0.00002351 6.511 6.184/6.619 6.464 ± 0.3232
13 1342 1342/1342 1342 ± 0.00002351 6.898 6.655/7.143 6.881 ± 0.3403
14 1342 1342/1342 1342 ± 0.00002472 6.761 6.458/7.004 6.754 ± 0.4224
15 1342 1342/1342 1342 ± 0.00002351 6.766 6.337/7.075 6.722 ± 0.3638
16 1342 1342/1342 1342 ± 0.00006032 4.733 4.584/4.91 4.775 ± 0.279
17 1342 1342/1342 1342 ± 0.00006103 4.728 4.593/4.936 4.775 ± 0.2863
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
Start time
2025-08-02 21:07:48.272
End
2025-08-02 21:45:35.043
Duration
0:37:46.771
Note, WebLog generation is not included in the time.

CASA logs for stage 8