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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.059 5.795/6.655 6.294 ± 0.5867
ea02 1342 1342/1342 1342 ± 0.00003004 6.171 5.558/6.686 6.102 ± 0.8524
ea03 1342 1342/1342 1342 ± 0.000003949 5.562 5.221/6.417 5.734 ± 0.7976
ea04 1342 1342/1342 1342 ± 0 5.809 5.387/6.506 5.912 ± 0.6175
ea06 1342 1342/1342 1342 ± 0 6.114 5.699/6.599 6.202 ± 0.579
ea07 1342 1342/1342 1342 ± 0 6.104 5.551/6.495 6.129 ± 0.6105
ea08 1342 1342/1342 1342 ± 0 6.204 5.81/6.843 6.376 ± 0.685
ea09 1342 1342/1342 1342 ± 0 6.041 5.547/6.802 6.178 ± 0.6778
ea10 1342 1342/1342 1342 ± 0 6.24 5.613/6.781 6.148 ± 0.6887
ea11 1342 1342/1342 1342 ± 0 6.264 5.495/6.716 6.188 ± 0.7551
ea12 1342 1342/1342 1342 ± 0 6.159 5.654/6.691 6.217 ± 0.7762
ea13 1342 1342/1342 1342 ± 0 6.036 5.759/6.502 6.145 ± 0.5918
ea14 1342 1342/1342 1342 ± 0 6.413 5.819/6.857 6.439 ± 0.6721
ea15 1342 1342/1342 1342 ± 0 5.625 5.088/5.984 5.581 ± 0.6962
ea16 1342 1342/1342 1342 ± 0 6.209 5.78/6.802 6.329 ± 0.7258
ea17 1342 1342/1342 1342 ± 0 6.542 6.238/7.282 6.786 ± 0.6584
ea18 1342 1342/1342 1342 ± 0 4.542 4.299/4.909 4.623 ± 0.4206
ea19 1342 1342/1342 1342 ± 0 6.385 5.911/6.975 6.481 ± 0.717
ea20 1342 1342/1342 1342 ± 0 6.073 5.741/6.72 6.179 ± 0.7286
ea21 1342 1342/1342 1342 ± 0 6.05 5.695/6.606 6.196 ± 0.5876
ea22 1342 1342/1342 1342 ± 0 6.367 5.585/6.775 6.233 ± 0.7062
ea23 1342 1342/1342 1342 ± 0 6.27 5.787/6.698 6.302 ± 0.7726
ea24 1342 1342/1342 1342 ± 0 5.987 5.253/6.421 5.849 ± 0.5865
ea25 1342 1342/1342 1342 ± 0 6.656 5.811/7.177 6.58 ± 0.7869
ea26 1342 1342/1342 1342 ± 0 6.426 5.91/7.202 6.529 ± 0.7083
ea27 1342 1342/1342 1342 ± 0.000001493 5.965 5.626/6.859 6.162 ± 0.7672
ea28 1342 1342/1342 1342 ± 0 6.2 5.863/6.993 6.419 ± 0.7822
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 5.763 5.543/5.988 5.696 ± 0.3578
3 1342 1342/1342 1342 ± 0.00002661 4.839 4.617/5.235 4.934 ± 0.5968
4 1342 1342/1342 1342 ± 0.00002467 5.513 5.23/5.734 5.438 ± 0.4888
5 1342 1342/1342 1342 ± 0.00002306 5.775 5.427/5.883 5.65 ± 0.4153
6 1342 1342/1342 1342 ± 0.00002306 5.663 5.408/5.835 5.582 ± 0.3421
7 1342 1342/1342 1342 ± 0.00002306 5.721 5.485/5.807 5.624 ± 0.3449
8 1342 1342/1342 1342 ± 0.00002306 5.614 5.357/5.821 5.563 ± 0.3799
9 1342 1342/1342 1342 ± 0.00002306 5.979 5.765/6.122 5.877 ± 0.4085
10 1342 1342/1342 1342 ± 0.00002306 6.424 6.251/6.528 6.3 ± 0.4225
11 1342 1342/1342 1342 ± 0.00002306 6.611 6.408/6.768 6.524 ± 0.4254
12 1342 1342/1342 1342 ± 0.00002306 6.773 6.517/6.819 6.664 ± 0.4579
13 1342 1342/1342 1342 ± 0.00002306 7.229 6.992/7.463 7.158 ± 0.4972
14 1342 1342/1342 1342 ± 0.00002306 7.471 7.291/7.717 7.387 ± 0.506
15 1342 1342/1342 1342 ± 0.00002307 7.085 6.926/7.332 7.043 ± 0.4703
16 1342 1342/1342 1342 ± 0.00002306 6.397 6.234/6.689 6.376 ± 0.4489
17 1342 1342/1342 1342 ± 0.00002328 6.45 6.109/6.588 6.317 ± 0.4756
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-05-23 15:05:43.371
End
2025-05-23 15:38:56.758
Duration
0:33:13.387
Note, WebLog generation is not included in the time.

CASA logs for stage 8