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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.676 5.423/6.236 5.77 ± 0.7241
ea02 1342 1342/1342 1342 ± 0.00001504 5.649 5.448/6.503 5.776 ± 0.8099
ea03 1342 1342/1342 1342 ± 0.00001768 5.321 5.122/6.258 5.636 ± 0.6731
ea04 1342 1342/1342 1342 ± 0.00003443 5.391 5.033/6.264 5.488 ± 0.6728
ea05 1342 1342/1342 1342 ± 0.00004186 5.601 5.236/6.517 5.699 ± 0.8225
ea06 1342 1342/1342 1342 ± 0 5.211 4.715/5.822 5.241 ± 0.5677
ea07 1342 1342/1342 1342 ± 0.00002073 5.297 5.133/6.324 5.553 ± 0.7901
ea08 1342 1342/1342 1342 ± 0.000007242 5.761 5.393/6.753 5.845 ± 0.9384
ea09 1342 1342/1342 1342 ± 0.00002324 4.982 4.763/5.727 5.166 ± 0.596
ea10 1342 1342/1342 1342 ± 0.00003485 5.019 4.618/5.675 5.001 ± 0.6554
ea11 1342 1342/1342 1342 ± 0.0000447 5.735 5.199/6.612 5.752 ± 0.9007
ea12 1342 1342/1342 1342 ± 0.00002726 5.211 4.86/5.843 5.279 ± 0.6624
ea14 1342 1342/1342 1342 ± 0.00003761 5.619 5.325/6.578 5.751 ± 0.7832
ea15 1342 1342/1342 1342 ± 0.0000433 5.404 5.227/6.127 5.568 ± 0.7433
ea16 1342 1342/1342 1342 ± 0 5.493 5.083/6.266 5.7 ± 0.7088
ea17 1342 1342/1342 1342 ± 0.00002743 5.947 5.41/6.83 5.973 ± 0.9238
ea18 1342 1342/1342 1342 ± 0.00002495 5.767 5.42/6.633 5.807 ± 0.9166
ea19 1342 1342/1342 1342 ± 0.00001096 5.321 5.144/6.271 5.523 ± 0.7072
ea20 1342 1342/1342 1342 ± 0 5.61 5.443/6.386 5.864 ± 0.5812
ea21 1342 1342/1342 1342 ± 0 5.051 4.829/5.729 5.221 ± 0.5175
ea22 1342 1342/1342 1342 ± 0.000003208 5.656 5.196/6.468 5.648 ± 0.8234
ea23 1342 1342/1342 1342 ± 0.00003313 5.79 5.311/6.65 5.811 ± 0.8342
ea24 1342 1342/1342 1342 ± 0 5.075 4.727/5.98 5.344 ± 0.6754
ea25 1342 1342/1342 1342 ± 0 5.801 5.376/6.772 6.096 ± 0.8335
ea27 1342 1342/1342 1342 ± 0 5.168 4.73/6.126 5.299 ± 0.7148
ea28 1342 1342/1342 1342 ± 0 5.452 5.218/6.291 5.764 ± 0.6654
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 ± 0.0000235 5.203 4.854/5.417 5.165 ± 0.3058
5 1342 1342/1342 1342 ± 0.00002579 5.063 4.813/5.374 5.109 ± 0.3233
6 1342 1342/1342 1342 ± 0.0000235 5.209 5.028/5.482 5.238 ± 0.3159
7 1342 1342/1342 1342 ± 0.0000235 5.306 5.145/5.521 5.285 ± 0.2974
8 1342 1342/1342 1342 ± 0.0000235 5.249 5.083/5.52 5.273 ± 0.3488
9 1342 1342/1342 1342 ± 0.0000235 5.586 5.317/5.817 5.552 ± 0.3759
10 1342 1342/1342 1342 ± 0.0000235 6.111 5.755/6.311 6.034 ± 0.3523
11 1342 1342/1342 1342 ± 0.0000235 6.353 6.233/6.604 6.335 ± 0.3275
12 1342 1342/1342 1342 ± 0.0000235 6.555 6.319/6.672 6.481 ± 0.3683
13 1342 1342/1342 1342 ± 0.00002394 6.889 6.457/7.04 6.785 ± 0.3723
14 1342 1342/1342 1342 ± 0.0000271 5.517 5.301/6.047 5.746 ± 0.6512
15 1342 1342/1342 1342 ± 0.0000235 6.464 5.931/6.763 6.343 ± 0.5349
16 1342 1342/1342 1342 ± 0.00005517 4.445 4.302/4.839 4.598 ± 0.4789
17 1342 1342/1342 1342 ± 0.00005749 4.366 4.174/4.615 4.453 ± 0.3938
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
Start time
2025-07-26 16:39:04.522
End
2025-07-26 17:27:06.869
Duration
0:48:02.347
Note, WebLog generation is not included in the time.

CASA logs for stage 8