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

Statwt Summary Plot

VLASS3.2.sb45490828.eb46106518.60453.38273079861_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 5.819 5.625/6.664 6.115 ± 0.5765
ea02 1342 1342/1342 1342 ± 0.000006036 6.012 5.836/6.472 6.268 ± 0.576
ea03 1342 1342/1342 1342 ± 0 6.192 5.586/6.866 6.249 ± 0.6782
ea04 1342 1342/1342 1342 ± 0 5.577 5.278/6.212 5.731 ± 0.5011
ea05 1342 1342/1342 1342 ± 0.000003655 5.794 5.494/6.581 6.023 ± 0.5659
ea06 1342 1342/1342 1342 ± 0.00000361 5.771 5.307/6.232 5.864 ± 0.6002
ea07 1342 1342/1342 1342 ± 0 6.04 5.461/6.44 6.121 ± 0.665
ea08 1342 1342/1342 1342 ± 0 6.27 5.889/6.862 6.446 ± 0.6205
ea09 1342 1342/1342 1342 ± 0 5.65 5.196/6.387 5.767 ± 0.5689
ea10 1342 1342/1342 1342 ± 0 5.633 5.392/6.367 5.826 ± 0.5674
ea11 1342 1342/1342 1342 ± 0.00003505 5.778 5.138/6.513 5.866 ± 0.6689
ea12 1342 1342/1342 1342 ± 0.000002797 5.608 5.461/6.395 5.862 ± 0.5188
ea14 1342 1342/1342 1342 ± 0 6.035 5.73/6.659 6.18 ± 0.5182
ea15 1342 1342/1342 1342 ± 0.00001868 5.903 5.643/6.744 6.199 ± 0.6706
ea16 1342 1342/1342 1342 ± 0.000004842 6.048 5.885/6.758 6.295 ± 0.6604
ea17 1342 1342/1342 1342 ± 0 6.08 5.856/7.11 6.348 ± 0.6592
ea18 1342 1342/1342 1342 ± 0 6.552 6.026/7.204 6.631 ± 0.6508
ea19 1342 1342/1342 1342 ± 0.00002904 5.928 5.758/6.83 6.197 ± 0.5442
ea20 1342 1342/1342 1342 ± 0 6.266 5.97/7.04 6.474 ± 0.5933
ea21 1342 1342/1342 1342 ± 0 5.444 5.23/6.028 5.663 ± 0.5106
ea22 1342 1342/1342 1342 ± 0 5.796 5.53/6.439 5.936 ± 0.5419
ea23 1342 1342/1342 1342 ± 0 5.835 5.57/6.493 6.073 ± 0.6218
ea24 1342 1342/1342 1342 ± 0 6.174 5.324/6.654 6.008 ± 0.6666
ea25 1342 1342/1342 1342 ± 0 6.572 5.801/7.032 6.584 ± 0.7791
ea27 1342 1342/1342 1342 ± 0.000002284 5.663 5.527/6.56 5.971 ± 0.5992
ea28 1342 1342/1342 1342 ± 0 6.408 5.836/7.036 6.433 ± 0.6488
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 ± 0.00002349 5.591 5.456/5.765 5.63 ± 0.2632
5 1342 1342/1342 1342 ± 0.00002349 5.532 5.226/5.654 5.495 ± 0.2949
6 1342 1342/1342 1342 ± 0.00002349 5.56 5.316/5.737 5.531 ± 0.2686
7 1342 1342/1342 1342 ± 0.00002349 5.58 5.386/5.76 5.578 ± 0.2402
8 1342 1342/1342 1342 ± 0.00002349 5.587 5.193/5.671 5.503 ± 0.2824
9 1342 1342/1342 1342 ± 0.00002349 5.805 5.64/5.96 5.798 ± 0.2878
10 1342 1342/1342 1342 ± 0.00002349 6.263 6.105/6.372 6.239 ± 0.259
11 1342 1342/1342 1342 ± 0.00002349 6.49 6.209/6.648 6.473 ± 0.2742
12 1342 1342/1342 1342 ± 0.00002349 6.656 6.435/6.843 6.645 ± 0.3035
13 1342 1342/1342 1342 ± 0.00002349 7.129 6.833/7.368 7.109 ± 0.3362
14 1342 1342/1342 1342 ± 0.00002349 6.945 6.689/7.37 7.044 ± 0.4332
15 1342 1342/1342 1342 ± 0.00002349 6.937 6.654/7.207 6.912 ± 0.3334
16 1342 1342/1342 1342 ± 0.00003491 5.763 5.517/6.155 5.854 ± 0.4129
17 1342 1342/1342 1342 ± 0.00003381 5.809 5.597/6.179 5.873 ± 0.3874
output_dir
 
vis
VLASS3.2.sb45490828.eb46106518.60453.38273079861_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-08-05 00:06:51.442
End
2025-08-05 00:35:10.795
Duration
0:28:19.353
Note, WebLog generation is not included in the time.

CASA logs for stage 8