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 5.448 5.228/6.537 5.7 ± 0.8686
ea02 1342 1342/1342 1342 ± 0.00001541 5.613 5.173/6.321 5.676 ± 0.8783
ea03 1342 1342/1342 1342 ± 0 5.384 5.106/6.566 5.697 ± 0.8739
ea04 1342 1342/1342 1342 ± 0.00004785 5.051 4.813/5.916 5.186 ± 0.8062
ea05 1342 1342/1342 1342 ± 0.00004233 5.263 5.062/6.37 5.494 ± 0.9302
ea06 1342 1342/1342 1342 ± 0.000001318 5.09 4.756/5.892 5.343 ± 0.7915
ea07 1342 1342/1342 1342 ± 0.00002499 5.03 4.857/6.141 5.289 ± 1.074
ea08 1342 1342/1342 1342 ± 0 5.497 5.155/6.656 5.773 ± 0.963
ea09 1342 1342/1342 1342 ± 0.00004162 4.97 4.724/6.009 5.2 ± 0.7389
ea10 1342 1342/1342 1342 ± 0.00004521 4.941 4.602/6.109 5.219 ± 0.8311
ea11 1342 1342/1342 1342 ± 0.00004504 5.073 4.617/6.282 5.195 ± 1.092
ea12 1342 1342/1342 1342 ± 0.00003976 5.078 4.828/5.909 5.234 ± 0.8051
ea14 1342 1342/1342 1342 ± 0.00004225 5.544 5.158/6.485 5.725 ± 0.8135
ea15 1342 1342/1342 1342 ± 0.00004383 5.59 5.114/6.558 5.768 ± 0.9295
ea16 1342 1342/1342 1342 ± 0.000002635 5.54 5.231/6.536 5.75 ± 0.9176
ea17 1342 1342/1342 1342 ± 0.0000401 5.532 5.099/6.501 5.605 ± 1.093
ea18 1342 1342/1342 1342 ± 0 5.492 5.205/6.61 5.764 ± 0.9161
ea19 1342 1342/1342 1342 ± 0.00002967 5.145 4.938/6.244 5.443 ± 0.8842
ea20 1342 1342/1342 1342 ± 0.00003929 5.707 5.372/6.845 5.87 ± 1.037
ea21 1342 1342/1342 1342 ± 0 5.01 4.829/5.858 5.256 ± 0.6753
ea22 1342 1342/1342 1342 ± 0.000004597 5.401 4.951/6.379 5.499 ± 0.9783
ea23 1342 1342/1342 1342 ± 0.0000426 5.485 4.972/6.316 5.66 ± 0.8435
ea24 1342 1342/1342 1342 ± 0.00001676 5.182 5.055/6.539 5.603 ± 0.8634
ea25 1342 1342/1342 1342 ± 0 5.756 5.359/6.788 6.009 ± 0.9573
ea27 1342 1342/1342 1342 ± 0.000002635 5.105 4.954/6.325 5.498 ± 0.7854
ea28 1342 1342/1342 1342 ± 0.0000248 5.602 5.36/6.897 5.898 ± 0.9031
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 5.125 4.932/5.242 5.118 ± 0.2597
3 1342 1342/1342 1342 ± 0.00003518 3.829 3.206/4.231 3.773 ± 0.63
4 1342 1342/1342 1342 ± 0.0000387 3.858 3.721/4.004 3.864 ± 0.2288
5 1342 1342/1342 1342 ± 0.00002351 5.113 4.863/5.359 5.128 ± 0.2934
6 1342 1342/1342 1342 ± 0.00002351 5.095 4.859/5.358 5.099 ± 0.2647
7 1342 1342/1342 1342 ± 0.00002351 5.181 4.966/5.359 5.176 ± 0.2491
8 1342 1342/1342 1342 ± 0.00002351 5.164 4.939/5.384 5.169 ± 0.2859
9 1342 1342/1342 1342 ± 0.00002351 5.484 5.27/5.708 5.493 ± 0.2904
10 1342 1342/1342 1342 ± 0.00002351 6.118 5.847/6.193 6.03 ± 0.2799
11 1342 1342/1342 1342 ± 0.00002351 6.295 6.123/6.441 6.267 ± 0.2726
12 1342 1342/1342 1342 ± 0.00002351 6.497 6.18/6.624 6.437 ± 0.3101
13 1342 1342/1342 1342 ± 0.00002351 6.877 6.624/7.091 6.865 ± 0.323
14 1342 1342/1342 1342 ± 0.00002504 6.803 6.521/7.095 6.8 ± 0.3858
15 1342 1342/1342 1342 ± 0.00002351 6.787 6.393/7.059 6.715 ± 0.3557
16 1342 1342/1342 1342 ± 0.00006092 4.949 4.777/5.062 4.953 ± 0.2562
17 1342 1342/1342 1342 ± 0.00006101 4.837 4.675/5.056 4.888 ± 0.2967
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
Start time
2025-07-22 01:49:35.223
End
2025-07-22 02:35:06.685
Duration
0:45:31.461
Note, WebLog generation is not included in the time.

CASA logs for stage 8