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

Statwt Summary Plot

VLASS3.2.sb45603243.eb46103640.60451.43735429399_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 6.163 5.761/6.681 6.198 ± 0.7195
ea02 1342 1342/1342 1342 ± 0 6.367 5.693/6.501 6.303 ± 0.6079
ea03 1342 1342/1342 1342 ± 0 6.262 5.555/6.896 6.312 ± 0.7572
ea04 1342 1342/1342 1342 ± 0 5.621 5.113/6.083 5.701 ± 0.5583
ea05 1342 1342/1342 1342 ± 0 5.995 5.44/6.601 6.021 ± 0.7647
ea06 1342 1342/1342 1342 ± 0 6.152 5.25/6.351 5.917 ± 0.6617
ea07 1342 1342/1342 1342 ± 0 5.935 5.382/6.456 6.004 ± 0.7179
ea08 1342 1342/1342 1342 ± 0 6.568 5.86/6.961 6.546 ± 0.6866
ea09 1342 1342/1342 1342 ± 0 5.761 5.244/6.524 5.9 ± 0.6729
ea10 1342 1342/1342 1342 ± 0 5.785 5.296/6.279 5.752 ± 0.7805
ea11 1342 1342/1342 1342 ± 0 5.691 5.382/6.577 5.872 ± 0.7734
ea12 1342 1342/1342 1342 ± 0 5.69 5.356/6.24 5.831 ± 0.6853
ea13 1342 1342/1342 1342 ± 0 6.203 5.733/6.442 6.175 ± 0.5307
ea14 1342 1342/1342 1342 ± 0 6.171 5.634/6.581 6.155 ± 0.7332
ea15 1342 1342/1342 1342 ± 0 6.31 5.675/6.729 6.301 ± 0.7067
ea16 1342 1342/1342 1342 ± 0 6.301 5.886/6.822 6.428 ± 0.668
ea17 1342 1342/1342 1342 ± 0 6.242 5.874/7.019 6.387 ± 0.8446
ea18 1342 1342/1342 1342 ± 0 6.438 5.982/7.067 6.556 ± 0.7052
ea19 1342 1342/1342 1342 ± 0 6.081 5.607/6.625 6.177 ± 0.6902
ea20 1342 1342/1342 1342 ± 0 6.114 5.776/6.17 5.968 ± 0.3893
ea21 1342 1342/1342 1342 ± 0 5.495 5.135/5.914 5.573 ± 0.4979
ea22 1342 1342/1342 1342 ± 0 6.031 5.575/6.45 6.066 ± 0.6394
ea23 1342 1342/1342 1342 ± 0 6.16 5.525/6.361 6.099 ± 0.6382
ea24 1342 1342/1342 1342 ± 0 6.389 5.464/6.798 6.16 ± 0.6678
ea25 1342 1342/1342 1342 ± 0 6.65 5.852/7.232 6.63 ± 0.8498
ea27 1342 1342/1342 1342 ± 0 6.042 5.447/6.438 5.969 ± 0.5731
ea28 1342 1342/1342 1342 ± 0 6.578 5.844/7.124 6.548 ± 0.6985
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 ± 0.00002306 5.601 5.436/5.806 5.623 ± 0.2695
3 1342 1342/1342 1342 ± 0.00003298 4.52 4.351/5.108 4.756 ± 0.5944
4 1342 1342/1342 1342 ± 0.00002306 5.452 5.291/5.754 5.51 ± 0.3161
5 1342 1342/1342 1342 ± 0.00002306 5.553 5.329/5.843 5.61 ± 0.3111
6 1342 1342/1342 1342 ± 0.00002306 5.543 5.21/5.695 5.475 ± 0.2833
7 1342 1342/1342 1342 ± 0.00002306 5.601 5.444/5.818 5.604 ± 0.2574
8 1342 1342/1342 1342 ± 0.00002306 5.568 5.272/5.688 5.523 ± 0.3001
9 1342 1342/1342 1342 ± 0.00002306 5.818 5.691/6.032 5.835 ± 0.3071
10 1342 1342/1342 1342 ± 0.00002349 6.305 6.15/6.391 6.27 ± 0.2702
11 1342 1342/1342 1342 ± 0.00002349 6.488 6.261/6.688 6.487 ± 0.289
12 1342 1342/1342 1342 ± 0.00002349 6.621 6.405/6.828 6.632 ± 0.3345
13 1342 1342/1342 1342 ± 0.00002349 7.082 6.832/7.412 7.112 ± 0.3518
14 1342 1342/1342 1342 ± 0.00002349 7.364 7.111/7.623 7.345 ± 0.3684
15 1342 1342/1342 1342 ± 0.00002349 7.045 6.739/7.332 7.041 ± 0.3658
16 1342 1342/1342 1342 ± 0.00002349 6.4 6.081/6.745 6.41 ± 0.4122
17 1342 1342/1342 1342 ± 0.00002349 6.357 6.166/6.654 6.357 ± 0.3892
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
output_dir
 
Start time
2025-07-30 11:33:32.074
End
2025-07-30 12:53:15.709
Duration
1:19:43.634
Note, WebLog generation is not included in the time.

CASA logs for stage 8