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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 6.038 5.5/6.416 5.99 ± 0.6213
ea02 1342 1342/1342 1342 ± 0 6.317 5.671/6.456 6.22 ± 0.6252
ea03 1342 1342/1342 1342 ± 0 6.123 5.461/6.748 6.125 ± 0.7221
ea04 1342 1342/1342 1342 ± 0 5.737 5.147/6.159 5.745 ± 0.5848
ea05 1342 1342/1342 1342 ± 0 5.862 5.351/6.661 5.974 ± 0.6723
ea06 1342 1342/1342 1342 ± 0 5.989 5.082/6.154 5.759 ± 0.672
ea07 1342 1342/1342 1342 ± 0 6.092 5.174/6.284 5.929 ± 0.7054
ea08 1342 1342/1342 1342 ± 0 6.407 5.61/6.774 6.305 ± 0.681
ea09 1342 1342/1342 1342 ± 0 5.715 5.171/6.457 5.823 ± 0.7591
ea10 1342 1342/1342 1342 ± 0 5.549 5.177/6.16 5.633 ± 0.5989
ea11 1342 1342/1342 1342 ± 0.000004389 5.405 5.141/6.262 5.665 ± 0.6527
ea12 1342 1342/1342 1342 ± 0.00001141 5.541 5.369/6.375 5.793 ± 0.6233
ea13 1342 1342/1342 1342 ± 0 6.16 5.538/6.333 5.95 ± 0.731
ea14 1342 1342/1342 1342 ± 0 6.087 5.688/6.706 6.216 ± 0.6351
ea15 1342 1342/1342 1342 ± 0.00000312 5.136 4.618/5.379 5.08 ± 0.4852
ea16 1342 1342/1342 1342 ± 0 6.267 5.697/6.751 6.261 ± 0.7268
ea17 1342 1342/1342 1342 ± 0 6.261 5.751/7.076 6.318 ± 0.7093
ea18 1342 1342/1342 1342 ± 0 6.509 5.832/7.137 6.45 ± 0.6959
ea19 1342 1342/1342 1342 ± 0 5.893 5.517/6.711 6.084 ± 0.6413
ea20 1342 1342/1342 1342 ± 0 6.246 5.48/6.647 6.106 ± 0.6473
ea21 1342 1342/1342 1342 ± 0 5.515 5.154/6.001 5.623 ± 0.5279
ea22 1342 1342/1342 1342 ± 0 6.433 5.761/6.975 6.356 ± 0.7125
ea23 1342 1342/1342 1342 ± 0 5.979 5.52/6.442 6.086 ± 0.6764
ea24 1342 1342/1342 1342 ± 0 6.185 5.348/6.528 5.991 ± 0.6023
ea25 1342 1342/1342 1342 ± 0 6.542 5.7/6.926 6.489 ± 0.7992
ea27 1342 1342/1342 1342 ± 0 5.765 5.406/6.517 5.918 ± 0.618
ea28 1342 1342/1342 1342 ± 0 6.391 5.722/6.974 6.42 ± 0.6737
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 5.547 5.336/5.709 5.529 ± 0.2739
3 1342 1342/1342 1342 ± 0.00002437 5.038 4.816/5.181 4.996 ± 0.3207
5 1342 1342/1342 1342 ± 0.00002307 5.373 5.148/5.619 5.379 ± 0.3463
6 1342 1342/1342 1342 ± 0.00002307 5.355 5.177/5.624 5.372 ± 0.3212
7 1342 1342/1342 1342 ± 0.00002307 5.517 5.327/5.68 5.443 ± 0.2784
8 1342 1342/1342 1342 ± 0.00002307 5.446 5.171/5.587 5.382 ± 0.298
9 1342 1342/1342 1342 ± 0.00002307 5.702 5.544/5.945 5.701 ± 0.323
10 1342 1342/1342 1342 ± 0.00002307 6.229 6.047/6.34 6.154 ± 0.3069
11 1342 1342/1342 1342 ± 0.00002307 6.393 6.157/6.618 6.362 ± 0.3153
12 1342 1342/1342 1342 ± 0.00002307 6.519 6.291/6.746 6.516 ± 0.3736
13 1342 1342/1342 1342 ± 0.00002307 7.068 6.688/7.219 6.963 ± 0.383
14 1342 1342/1342 1342 ± 0.00002307 7.213 6.949/7.479 7.168 ± 0.4073
15 1342 1342/1342 1342 ± 0.00002307 6.854 6.621/7.163 6.833 ± 0.4072
16 1342 1342/1342 1342 ± 0.00002399 6.233 5.819/6.452 6.162 ± 0.4243
17 1342 1342/1342 1342 ± 0.00002359 6.262 5.951/6.395 6.126 ± 0.4173
overwrite_modelcol
False
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-07-18 19:19:50.087
End
2025-07-18 20:39:47.132
Duration
1:19:57.045
Note, WebLog generation is not included in the time.

CASA logs for stage 8