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 6.055 5.743/6.668 6.267 ± 0.6089
ea02 1342 1342/1342 1342 ± 0.00002955 6.163 5.537/6.725 6.085 ± 0.8941
ea03 1342 1342/1342 1342 ± 0.000001169 5.568 5.208/6.47 5.726 ± 0.8391
ea04 1342 1342/1342 1342 ± 0 5.815 5.346/6.549 5.92 ± 0.6368
ea06 1342 1342/1342 1342 ± 0.000002612 6.097 5.692/6.6 6.198 ± 0.5949
ea07 1342 1342/1342 1342 ± 0 6.068 5.506/6.497 6.086 ± 0.6433
ea08 1342 1342/1342 1342 ± 0 6.153 5.761/6.86 6.355 ± 0.7091
ea09 1342 1342/1342 1342 ± 0 6.061 5.531/6.807 6.145 ± 0.6929
ea10 1342 1342/1342 1342 ± 0 6.26 5.594/6.815 6.15 ± 0.7088
ea11 1342 1342/1342 1342 ± 0 6.276 5.48/6.722 6.193 ± 0.7588
ea12 1342 1342/1342 1342 ± 0 6.134 5.646/6.675 6.21 ± 0.7706
ea13 1342 1342/1342 1342 ± 0 6.017 5.742/6.509 6.148 ± 0.5867
ea14 1342 1342/1342 1342 ± 0 6.431 5.818/6.859 6.443 ± 0.683
ea15 1342 1342/1342 1342 ± 0 5.639 5.076/5.985 5.568 ± 0.7039
ea16 1342 1342/1342 1342 ± 0 6.208 5.744/6.816 6.319 ± 0.7464
ea17 1342 1342/1342 1342 ± 0 6.533 6.22/7.27 6.763 ± 0.6643
ea18 1342 1342/1342 1342 ± 0 4.532 4.279/4.924 4.615 ± 0.4383
ea19 1342 1342/1342 1342 ± 0 6.34 5.889/6.981 6.476 ± 0.7218
ea20 1342 1342/1342 1342 ± 0 6.05 5.722/6.74 6.16 ± 0.7635
ea21 1342 1342/1342 1342 ± 0 6.022 5.677/6.633 6.178 ± 0.6213
ea22 1342 1342/1342 1342 ± 0 6.396 5.582/6.802 6.238 ± 0.7157
ea23 1342 1342/1342 1342 ± 0 6.266 5.764/6.697 6.284 ± 0.8036
ea24 1342 1342/1342 1342 ± 0 5.986 5.218/6.429 5.844 ± 0.5887
ea25 1342 1342/1342 1342 ± 0 6.646 5.798/7.148 6.565 ± 0.8024
ea26 1342 1342/1342 1342 ± 0 6.448 5.924/7.235 6.52 ± 0.7199
ea27 1342 1342/1342 1342 ± 0 5.973 5.579/6.893 6.167 ± 0.7683
ea28 1342 1342/1342 1342 ± 0 6.168 5.875/7.024 6.428 ± 0.7883
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 ± 0.00002307 5.715 5.499/5.938 5.646 ± 0.3517
3 1342 1342/1342 1342 ± 0.00002664 4.898 4.499/5.277 4.9 ± 0.613
4 1342 1342/1342 1342 ± 0.00002469 5.473 5.153/5.629 5.376 ± 0.474
5 1342 1342/1342 1342 ± 0.00002307 5.734 5.399/5.844 5.613 ± 0.4104
6 1342 1342/1342 1342 ± 0.00002307 5.665 5.408/5.827 5.575 ± 0.3443
7 1342 1342/1342 1342 ± 0.00002307 5.702 5.478/5.794 5.609 ± 0.3469
8 1342 1342/1342 1342 ± 0.00002307 5.583 5.361/5.819 5.557 ± 0.3795
9 1342 1342/1342 1342 ± 0.00002307 5.973 5.742/6.116 5.875 ± 0.409
10 1342 1342/1342 1342 ± 0.00002307 6.43 6.246/6.529 6.307 ± 0.4225
11 1342 1342/1342 1342 ± 0.00002307 6.627 6.446/6.772 6.538 ± 0.4278
12 1342 1342/1342 1342 ± 0.00002307 6.787 6.536/6.841 6.68 ± 0.4619
13 1342 1342/1342 1342 ± 0.00002307 7.257 7.002/7.486 7.177 ± 0.4971
14 1342 1342/1342 1342 ± 0.00002307 7.482 7.322/7.739 7.406 ± 0.506
15 1342 1342/1342 1342 ± 0.00002307 7.074 6.914/7.334 7.036 ± 0.4691
16 1342 1342/1342 1342 ± 0.00002315 6.375 6.156/6.676 6.357 ± 0.45
17 1342 1342/1342 1342 ± 0.00002309 6.467 6.063/6.596 6.31 ± 0.4778
output_dir
 
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-05-23 20:07:39.336
End
2025-05-23 21:09:15.822
Duration
1:01:36.486
Note, WebLog generation is not included in the time.

CASA logs for stage 8