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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.481 5.203/6.204 5.578 ± 0.866
ea02 1342 1342/1342 1342 ± 0.000009321 5.723 5.294/6.392 5.741 ± 0.8767
ea03 1342 1342/1342 1342 ± 0.000001767 5.352 5.217/6.644 5.778 ± 0.7973
ea04 1342 1342/1342 1342 ± 0.00004613 5.125 4.954/6.025 5.241 ± 0.7538
ea05 1342 1342/1342 1342 ± 0.00004772 5.358 5.043/6.408 5.529 ± 0.8545
ea06 1342 1342/1342 1342 ± 0.00002551 5.183 4.831/6.031 5.393 ± 0.7334
ea07 1342 1342/1342 1342 ± 0.00002318 5.148 4.965/6.233 5.435 ± 1.008
ea08 1342 1342/1342 1342 ± 0 5.657 5.443/6.722 5.909 ± 0.9518
ea09 1342 1342/1342 1342 ± 0.00004522 5.029 4.721/6.025 5.222 ± 0.7434
ea10 1342 1342/1342 1342 ± 0.00004193 5.034 4.689/6.03 5.207 ± 0.7975
ea11 1342 1342/1342 1342 ± 0.00004988 5.245 4.557/6.213 5.256 ± 0.9075
ea12 1342 1342/1342 1342 ± 0.00004435 5.075 4.901/5.914 5.183 ± 0.809
ea14 1342 1342/1342 1342 ± 0.00004689 5.512 5.311/6.497 5.605 ± 0.8248
ea15 1342 1342/1342 1342 ± 0.00004916 5.517 5.408/6.575 5.681 ± 0.9245
ea16 1342 1342/1342 1342 ± 0.00002506 5.763 5.272/6.612 5.844 ± 0.8597
ea17 1342 1342/1342 1342 ± 0.00002537 5.604 5.275/6.501 5.694 ± 1.032
ea18 1342 1342/1342 1342 ± 0 5.734 5.522/6.876 5.991 ± 0.8975
ea19 1342 1342/1342 1342 ± 0.00004254 5.192 5.04/6.327 5.481 ± 0.8541
ea20 1342 1342/1342 1342 ± 0.00003433 5.853 5.664/6.886 6.007 ± 0.878
ea21 1342 1342/1342 1342 ± 0 5.106 4.972/5.928 5.366 ± 0.6608
ea22 1342 1342/1342 1342 ± 0.000002136 5.585 5.148/6.415 5.667 ± 0.8909
ea23 1342 1342/1342 1342 ± 0.00004487 5.51 5.167/6.349 5.6 ± 0.8728
ea24 1342 1342/1342 1342 ± 0.000007055 5.298 5.055/6.272 5.648 ± 0.6921
ea25 1342 1342/1342 1342 ± 0.00001261 5.725 5.407/6.867 6.099 ± 0.9329
ea27 1342 1342/1342 1342 ± 0.000009961 5.384 5.066/6.376 5.576 ± 0.7564
ea28 1342 1342/1342 1342 ± 0 5.735 5.613/6.787 6.019 ± 0.7315
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 ± 0.00002348 5.153 4.981/5.284 5.164 ± 0.2642
3 1342 1342/1342 1342 ± 0.00004037 3.609 3.27/4.015 3.615 ± 0.5793
5 1342 1342/1342 1342 ± 0.00002422 5.117 4.961/5.425 5.165 ± 0.3292
6 1342 1342/1342 1342 ± 0.00002348 5.24 5.01/5.506 5.249 ± 0.2895
7 1342 1342/1342 1342 ± 0.00002348 5.283 5.033/5.447 5.246 ± 0.2568
8 1342 1342/1342 1342 ± 0.00002348 5.24 5.058/5.469 5.243 ± 0.2855
9 1342 1342/1342 1342 ± 0.00002348 5.525 5.35/5.76 5.532 ± 0.3019
10 1342 1342/1342 1342 ± 0.00002348 6.116 5.937/6.241 6.098 ± 0.2786
11 1342 1342/1342 1342 ± 0.00002348 6.391 6.199/6.506 6.377 ± 0.2771
12 1342 1342/1342 1342 ± 0.00002348 6.562 6.29/6.657 6.524 ± 0.3135
13 1342 1342/1342 1342 ± 0.00002348 6.829 6.42/7.125 6.822 ± 0.3744
14 1342 1342/1342 1342 ± 0.000049 6.025 5.613/6.431 6.091 ± 0.611
15 1342 1342/1342 1342 ± 0.00002348 6.717 6.303/7.023 6.681 ± 0.3666
16 1342 1342/1342 1342 ± 0.00006103 4.081 3.898/4.502 4.223 ± 0.4237
17 1342 1342/1342 1342 ± 0.00006097 4.236 4.04/4.56 4.295 ± 0.343
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-22 13:28:28.577
End
2025-07-22 14:24:32.799
Duration
0:56:04.222
Note, WebLog generation is not included in the time.

CASA logs for stage 8