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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.369 4.735/6.385 5.548 ± 0.8727
ea02 1342 1342/1342 1342 ± 0.00004101 5.632 4.984/6.226 5.615 ± 0.7405
ea03 1342 1342/1342 1342 ± 0.00003007 5.213 4.66/6.419 5.506 ± 0.8951
ea04 1342 1342/1342 1342 ± 0.00003939 4.901 4.726/5.925 5.316 ± 0.6925
ea05 1342 1342/1342 1342 ± 0.00004003 5.282 4.56/6.127 5.39 ± 0.8895
ea06 1342 1342/1342 1342 ± 0.0000116 5.764 4.241/5.878 5.176 ± 0.9511
ea07 1342 1342/1342 1342 ± 0.00003642 5.114 4.669/6.053 5.413 ± 0.811
ea08 1342 1342/1342 1342 ± 0.00003796 5.978 5.057/6.57 5.735 ± 0.9275
ea09 1342 1342/1342 1342 ± 0.00004155 4.751 4.515/6.006 5.213 ± 0.7788
ea10 1342 1342/1342 1342 ± 0.00003951 4.246 4.003/4.87 4.409 ± 0.4428
ea11 1342 1342/1342 1342 ± 0.00004249 5.293 4.454/6.375 5.436 ± 1.05
ea12 1342 1342/1342 1342 ± 0.00003812 4.93 4.644/5.814 5.293 ± 0.7121
ea14 1342 1342/1342 1342 ± 0.00004355 5.976 5.277/6.292 5.808 ± 0.6765
ea15 1342 1342/1342 1342 ± 0.0000444 5.107 4.927/6.331 5.678 ± 0.868
ea16 1342 1342/1342 1342 ± 0.00002579 5.952 5.236/6.502 5.91 ± 0.8314
ea17 1342 1342/1342 1342 ± 0.00003899 5.647 5.302/6.625 5.867 ± 0.7363
ea18 1342 1342/1342 1342 ± 0.00003567 5.523 5.017/6.506 5.736 ± 0.861
ea19 1342 1342/1342 1342 ± 0.0000336 5.482 4.745/6.341 5.53 ± 0.8237
ea20 1342 1342/1342 1342 ± 0.00003153 6.308 5.547/6.883 6.167 ± 0.833
ea21 1342 1342/1342 1342 ± 0.00001404 4.793 4.597/5.797 5.216 ± 0.6743
ea22 1342 1342/1342 1342 ± 0.0000387 5.368 4.897/6.17 5.538 ± 0.7391
ea23 1342 1342/1342 1342 ± 0.00003937 5.543 5.025/6.314 5.664 ± 0.8323
ea24 1342 1342/1342 1342 ± 0.0000149 4.892 4.73/6.17 5.43 ± 0.7746
ea25 1342 1342/1342 1342 ± 0.000004493 5.214 4.888/6.713 5.83 ± 1.05
ea27 1342 1342/1342 1342 ± 0.00002292 5.156 4.819/6.162 5.451 ± 0.7293
ea28 1342 1342/1342 1342 ± 0.00002454 5.345 5.053/6.559 5.809 ± 0.8588
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 ± 0.00002506 4.629 4.508/4.801 4.622 ± 0.3674
5 1342 1342/1342 1342 ± 0.00002519 5.338 5.009/5.627 5.346 ± 0.4899
6 1342 1342/1342 1342 ± 0.00002506 4.686 4.508/5.059 4.735 ± 0.3706
7 1342 1342/1342 1342 ± 0.00002506 4.797 4.65/5.03 4.824 ± 0.3495
8 1342 1342/1342 1342 ± 0.00002506 4.893 4.767/5.179 4.952 ± 0.366
9 1342 1342/1342 1342 ± 0.00002676 4.802 4.599/5.04 4.861 ± 0.4382
10 1342 1342/1342 1342 ± 0.00002402 5.921 5.732/6.1 5.879 ± 0.3129
11 1342 1342/1342 1342 ± 0.00002402 6.137 6.038/6.353 6.127 ± 0.3368
12 1342 1342/1342 1342 ± 0.00002402 6.336 6.117/6.496 6.291 ± 0.3942
13 1342 1342/1342 1342 ± 0.00002402 6.8 6.524/7.058 6.732 ± 0.4911
14 1342 1342/1342 1342 ± 0.0000245 6.695 6.525/6.929 6.768 ± 0.3503
15 1342 1342/1342 1342 ± 0.00004648 5.907 5.65/6.169 5.911 ± 0.4486
16 1342 1342/1342 1342 ± 0.00005588 4.564 4.426/4.699 4.565 ± 0.2916
17 1342 1342/1342 1342 ± 0.00005643 4.655 4.51/4.8 4.655 ± 0.2272
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-26 11:33:23.506
End
2025-07-26 12:14:18.597
Duration
0:40:55.091
Note, WebLog generation is not included in the time.

CASA logs for stage 8