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 5.415 5.001/6.159 5.366 ± 1.014
ea02 1342 1342/1342 1342 ± 0.00002475 5.656 5.221/6.36 5.554 ± 0.9833
ea03 1342 1342/1342 1342 ± 0.000003416 5.24 5.108/6.631 5.676 ± 0.8382
ea04 1342 1342/1342 1342 ± 0.00004869 5.091 4.844/6.006 5.123 ± 0.8244
ea05 1342 1342/1342 1342 ± 0.00005239 5.221 4.947/6.356 5.306 ± 1.014
ea06 1342 1342/1342 1342 ± 0.00002584 4.858 4.689/5.884 5.219 ± 0.7476
ea07 1342 1342/1342 1342 ± 0.00003141 5.124 4.896/6.237 5.349 ± 1.022
ea08 1342 1342/1342 1342 ± 0.000003649 5.766 5.382/6.691 5.869 ± 0.9611
ea09 1342 1342/1342 1342 ± 0.0000487 4.937 4.648/5.918 5.023 ± 0.818
ea10 1342 1342/1342 1342 ± 0.00004925 4.927 4.564/6.015 5.018 ± 0.9042
ea11 1342 1342/1342 1342 ± 0.00005112 5.17 4.415/6.135 5.119 ± 0.9627
ea12 1342 1342/1342 1342 ± 0.00004902 5.073 4.766/5.886 5.084 ± 0.8525
ea14 1342 1342/1342 1342 ± 0.00005192 5.379 5.096/6.419 5.429 ± 0.9445
ea15 1342 1342/1342 1342 ± 0.00005303 5.417 4.937/6.554 5.453 ± 1.067
ea16 1342 1342/1342 1342 ± 0.00002568 5.639 4.77/6.57 5.596 ± 1.003
ea17 1342 1342/1342 1342 ± 0.00004478 5.559 5.148/6.458 5.569 ± 1.029
ea18 1342 1342/1342 1342 ± 0.000006732 5.681 5.368/6.715 5.797 ± 1.02
ea19 1342 1342/1342 1342 ± 0.00004605 5.086 4.984/6.246 5.34 ± 0.8994
ea20 1342 1342/1342 1342 ± 0.00004348 5.776 5.458/6.629 5.782 ± 0.9965
ea21 1342 1342/1342 1342 ± 0.000005104 5.044 4.88/5.865 5.25 ± 0.6827
ea22 1342 1342/1342 1342 ± 0.00001759 5.561 5.028/6.386 5.508 ± 0.9981
ea23 1342 1342/1342 1342 ± 0.00005039 5.468 5.008/6.28 5.421 ± 0.9474
ea24 1342 1342/1342 1342 ± 0.000004469 5.202 4.959/6.168 5.508 ± 0.754
ea25 1342 1342/1342 1342 ± 0.00001815 5.479 5.303/6.848 5.93 ± 1.003
ea27 1342 1342/1342 1342 ± 0.00002489 5.161 4.85/6.292 5.342 ± 0.8424
ea28 1342 1342/1342 1342 ± 0.00002015 5.566 5.443/6.695 5.794 ± 0.8798
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 ± 0.00002353 5.085 4.903/5.225 5.069 ± 0.2703
4 1342 1342/1342 1342 ± 0.00005941 3.554 3.408/3.768 3.581 ± 0.2254
5 1342 1342/1342 1342 ± 0.0000241 5.077 4.893/5.413 5.131 ± 0.3527
6 1342 1342/1342 1342 ± 0.00002353 5.117 4.894/5.384 5.133 ± 0.2762
7 1342 1342/1342 1342 ± 0.00002353 5.218 4.995/5.383 5.179 ± 0.2611
8 1342 1342/1342 1342 ± 0.00002353 5.174 4.982/5.448 5.197 ± 0.2922
9 1342 1342/1342 1342 ± 0.00002353 5.498 5.27/5.755 5.505 ± 0.3127
10 1342 1342/1342 1342 ± 0.00002353 6.066 5.835/6.193 6.038 ± 0.2758
11 1342 1342/1342 1342 ± 0.00002353 6.354 6.161/6.461 6.321 ± 0.2763
12 1342 1342/1342 1342 ± 0.00002353 6.516 6.221/6.641 6.48 ± 0.3162
13 1342 1342/1342 1342 ± 0.00002353 6.723 6.36/7.056 6.745 ± 0.3823
14 1342 1342/1342 1342 ± 0.00004917 5.757 5.39/6.274 5.886 ± 0.6441
15 1342 1342/1342 1342 ± 0.00002353 6.664 6.244/6.959 6.604 ± 0.3752
16 1342 1342/1342 1342 ± 0.0000609 4.007 3.799/4.46 4.165 ± 0.4749
17 1342 1342/1342 1342 ± 0.00006101 4.144 3.898/4.46 4.193 ± 0.3815
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-07-22 15:16:37.298
End
2025-07-22 16:06:59.053
Duration
0:50:21.755
Note, WebLog generation is not included in the time.

CASA logs for stage 8