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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 5.93 5.679/6.757 6.131 ± 0.7995
ea03 1342 1342/1342 1342 ± 0.000006371 5.461 4.911/6.404 5.611 ± 0.8549
ea04 1342 1342/1342 1342 ± 0 5.582 5.139/6.367 5.743 ± 0.8185
ea05 1342 1342/1342 1342 ± 0 6.028 5.479/6.908 6.178 ± 0.7434
ea06 1342 1342/1342 1342 ± 0 6.014 5.36/6.526 5.967 ± 0.7674
ea07 1342 1342/1342 1342 ± 0 5.997 5.34/6.434 5.941 ± 0.8012
ea08 1342 1342/1342 1342 ± 0.000004033 5.709 5.247/6.538 5.893 ± 0.8519
ea09 1342 1342/1342 1342 ± 0 5.998 5.416/6.86 6.029 ± 0.8413
ea10 1342 1342/1342 1342 ± 0 6.359 5.435/6.975 6.225 ± 0.7563
ea11 1342 1342/1342 1342 ± 0 6.088 5.164/6.612 5.937 ± 0.9329
ea12 1342 1342/1342 1342 ± 0 6.116 5.475/6.768 6.152 ± 0.911
ea13 1342 1342/1342 1342 ± 0 5.521 5.44/6.097 5.666 ± 0.6616
ea14 1342 1342/1342 1342 ± 0.000006984 6.102 5.525/6.796 6.14 ± 0.8931
ea15 1342 1342/1342 1342 ± 0 5.722 5.232/6.326 5.764 ± 0.7814
ea16 1342 1342/1342 1342 ± 0 6.159 5.579/6.822 6.192 ± 0.9171
ea17 1342 1342/1342 1342 ± 0 6.441 5.965/7.467 6.648 ± 0.9298
ea18 1342 1342/1342 1342 ± 0 5.13 4.654/5.515 5.142 ± 0.5207
ea19 1342 1342/1342 1342 ± 0 6.168 5.6/6.858 6.225 ± 0.8999
ea20 1342 1342/1342 1342 ± 0 5.819 5.312/6.475 5.866 ± 0.8009
ea21 1342 1342/1342 1342 ± 0 5.199 4.875/5.801 5.29 ± 0.6367
ea22 1342 1342/1342 1342 ± 0 5.915 5.258/6.573 5.916 ± 0.8524
ea23 1342 1342/1342 1342 ± 0 6.357 5.551/6.725 6.203 ± 0.7837
ea24 1342 1342/1342 1342 ± 0.00002851 5.561 5.076/6.416 5.551 ± 0.988
ea25 1342 1342/1342 1342 ± 0 6.271 5.497/6.977 6.256 ± 0.9871
ea26 1342 1342/1342 1342 ± 0.000002678 6.311 5.785/7.314 6.429 ± 0.9125
ea27 1342 1342/1342 1342 ± 0 6.013 5.35/6.832 6.059 ± 0.7857
ea28 1342 1342/1342 1342 ± 0 5.949 5.643/6.852 6.196 ± 0.8454
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 5.382 5.124/5.614 5.355 ± 0.3097
3 1342 1342/1342 1342 ± 0.00003256 4.977 4.769/5.17 4.937 ± 0.4975
4 1342 1342/1342 1342 ± 0.00002568 4.261 4.165/4.396 4.3 ± 0.2755
5 1342 1342/1342 1342 ± 0.00002307 5.47 5.157/5.54 5.373 ± 0.316
6 1342 1342/1342 1342 ± 0.00002307 5.401 5.187/5.571 5.355 ± 0.2887
7 1342 1342/1342 1342 ± 0.00002307 5.433 5.276/5.62 5.429 ± 0.2866
8 1342 1342/1342 1342 ± 0.00002307 5.377 5.15/5.606 5.374 ± 0.3228
9 1342 1342/1342 1342 ± 0.00002307 5.738 5.508/5.906 5.695 ± 0.3189
10 1342 1342/1342 1342 ± 0.00002307 6.366 6.107/6.474 6.257 ± 0.3292
11 1342 1342/1342 1342 ± 0.00002307 6.586 6.354/6.727 6.501 ± 0.3516
12 1342 1342/1342 1342 ± 0.00002307 6.731 6.434/6.882 6.652 ± 0.4237
13 1342 1342/1342 1342 ± 0.00002307 7.14 6.934/7.503 7.144 ± 0.4505
14 1342 1342/1342 1342 ± 0.00002307 7.393 7.037/7.608 7.317 ± 0.4556
15 1342 1342/1342 1342 ± 0.00002307 6.982 6.692/7.262 6.951 ± 0.4215
16 1342 1342/1342 1342 ± 0.00002307 6.335 6.058/6.651 6.333 ± 0.4349
17 1342 1342/1342 1342 ± 0.00002364 6.313 6/6.547 6.24 ± 0.4755
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
output_dir
 
Start time
2025-06-11 04:38:51.651
End
2025-06-11 05:26:17.042
Duration
0:47:25.391
Note, WebLog generation is not included in the time.

CASA logs for stage 8