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 5.947 5.491/6.291 5.887 ± 0.6623
ea02 1342 1342/1342 1342 ± 0 6.376 5.765/6.518 6.32 ± 0.6571
ea03 1342 1342/1342 1342 ± 0 6.077 5.496/6.671 6.147 ± 0.6733
ea04 1342 1342/1342 1342 ± 0.00002202 5.462 5.012/5.85 5.429 ± 0.6167
ea05 1342 1342/1342 1342 ± 0.00002118 5.743 5.351/6.51 5.867 ± 0.7265
ea06 1342 1342/1342 1342 ± 0 6.047 5.166/6.173 5.736 ± 0.7643
ea07 1342 1342/1342 1342 ± 0 6.074 5.263/6.262 5.871 ± 0.7896
ea08 1342 1342/1342 1342 ± 0 6.458 5.703/6.844 6.353 ± 0.7585
ea09 1342 1342/1342 1342 ± 0.00001063 5.902 5.192/6.349 5.854 ± 0.6244
ea10 1342 1342/1342 1342 ± 0.00000221 5.464 5.178/6.095 5.557 ± 0.6699
ea11 1342 1342/1342 1342 ± 0.00003322 5.344 5.158/6.142 5.561 ± 0.6923
ea12 1342 1342/1342 1342 ± 0.00001258 5.524 5.414/6.298 5.74 ± 0.6326
ea13 1342 1342/1342 1342 ± 0.000001604 6.175 5.548/6.287 5.982 ± 0.7215
ea14 1342 1342/1342 1342 ± 0.000007233 5.953 5.659/6.591 6.068 ± 0.749
ea15 1342 1342/1342 1342 ± 0.00002583 5.297 4.833/5.588 5.302 ± 0.4865
ea16 1342 1342/1342 1342 ± 0 6.272 5.675/6.643 6.286 ± 0.665
ea17 1342 1342/1342 1342 ± 0.000001122 6.23 5.831/7.025 6.296 ± 0.7472
ea18 1342 1342/1342 1342 ± 0 6.596 6.008/7.281 6.544 ± 0.7701
ea19 1342 1342/1342 1342 ± 0 5.874 5.495/6.611 5.975 ± 0.6824
ea20 1342 1342/1342 1342 ± 0 6.255 5.621/6.652 6.211 ± 0.5583
ea21 1342 1342/1342 1342 ± 0.000001122 5.531 5.136/5.916 5.582 ± 0.5239
ea22 1342 1342/1342 1342 ± 0 6.446 5.98/6.923 6.376 ± 0.7024
ea23 1342 1342/1342 1342 ± 0 5.942 5.545/6.391 6.101 ± 0.615
ea24 1342 1342/1342 1342 ± 0 6.127 5.333/6.419 5.941 ± 0.6197
ea25 1342 1342/1342 1342 ± 0 6.576 5.756/6.939 6.537 ± 0.7768
ea27 1342 1342/1342 1342 ± 0 5.873 5.382/6.429 5.917 ± 0.5792
ea28 1342 1342/1342 1342 ± 0 6.401 5.838/6.925 6.446 ± 0.6441
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 ± 0.00002309 5.499 5.294/5.718 5.509 ± 0.3008
3 1342 1342/1342 1342 ± 0.00003505 4.245 4.009/4.541 4.283 ± 0.403
5 1342 1342/1342 1342 ± 0.00002309 5.49 5.232/5.687 5.459 ± 0.3723
6 1342 1342/1342 1342 ± 0.00002309 5.361 5.178/5.664 5.375 ± 0.3281
7 1342 1342/1342 1342 ± 0.00002309 5.531 5.225/5.673 5.47 ± 0.2828
8 1342 1342/1342 1342 ± 0.00002309 5.418 5.14/5.66 5.384 ± 0.3101
9 1342 1342/1342 1342 ± 0.00002309 5.663 5.526/5.972 5.694 ± 0.3308
10 1342 1342/1342 1342 ± 0.00002309 6.128 5.991/6.339 6.12 ± 0.314
11 1342 1342/1342 1342 ± 0.00002309 6.325 6.084/6.534 6.315 ± 0.32
12 1342 1342/1342 1342 ± 0.00002309 6.431 6.27/6.669 6.463 ± 0.3773
13 1342 1342/1342 1342 ± 0.00002309 7.053 6.595/7.198 6.931 ± 0.3835
14 1342 1342/1342 1342 ± 0.00002309 7.197 6.841/7.515 7.114 ± 0.4201
15 1342 1342/1342 1342 ± 0.00002309 6.864 6.537/7.193 6.795 ± 0.4335
16 1342 1342/1342 1342 ± 0.00003748 6.143 5.748/6.458 6.097 ± 0.4535
17 1342 1342/1342 1342 ± 0.00003214 6.138 5.779/6.435 6.086 ± 0.4448
overwrite_modelcol
False
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
Start time
2025-07-18 08:18:27.613
End
2025-07-18 09:34:36.804
Duration
1:16:09.191
Note, WebLog generation is not included in the time.

CASA logs for stage 8