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 5.488 5.24/6.233 5.535 ± 0.8699
ea02 1342 1342/1342 1342 ± 0.00002535 5.559 5.135/6.334 5.535 ± 0.8613
ea03 1342 1342/1342 1342 ± 0.00000131 5.094 4.955/5.754 5.337 ± 0.5906
ea04 1342 1342/1342 1342 ± 0.00004436 5.067 4.646/5.886 5.102 ± 0.7416
ea05 1342 1342/1342 1342 ± 0.00004638 5.263 4.88/6.138 5.34 ± 0.874
ea06 1342 1342/1342 1342 ± 0.00001111 4.873 4.706/5.811 5.081 ± 0.6632
ea07 1342 1342/1342 1342 ± 0.00003469 5.078 4.885/6.132 5.338 ± 0.8466
ea08 1342 1342/1342 1342 ± 0.000002269 5.586 5.257/6.639 5.672 ± 0.9551
ea09 1342 1342/1342 1342 ± 0.00003933 5.106 4.851/5.574 5.165 ± 0.6946
ea10 1342 1342/1342 1342 ± 0.00004127 4.464 4.237/4.844 4.393 ± 0.5531
ea11 1342 1342/1342 1342 ± 0.00004939 5.543 4.843/6.359 5.406 ± 0.9804
ea12 1342 1342/1342 1342 ± 0.00004128 5.048 4.548/5.75 5.023 ± 0.7688
ea14 1342 1342/1342 1342 ± 0.00004397 5.321 5.064/6.372 5.455 ± 0.8586
ea15 1342 1342/1342 1342 ± 0.00004729 5.349 5.017/6.329 5.476 ± 0.9203
ea16 1342 1342/1342 1342 ± 0.00001052 5.514 5.098/6.216 5.498 ± 0.7818
ea17 1342 1342/1342 1342 ± 0.00003703 5.639 5.14/6.5 5.69 ± 0.9665
ea18 1342 1342/1342 1342 ± 0.00000641 5.6 5.341/6.553 5.672 ± 0.9118
ea19 1342 1342/1342 1342 ± 0.00002622 5.255 4.909/6.208 5.334 ± 0.8385
ea20 1342 1342/1342 1342 ± 0.000007398 5.766 5.537/6.528 5.999 ± 0.7252
ea21 1342 1342/1342 1342 ± 0.00000262 4.765 4.564/5.31 4.884 ± 0.511
ea22 1342 1342/1342 1342 ± 0.000009598 5.43 5.002/6.23 5.423 ± 0.8698
ea23 1342 1342/1342 1342 ± 0.00004235 5.536 5.006/6.337 5.514 ± 0.8937
ea24 1342 1342/1342 1342 ± 0 5.137 4.826/6.211 5.437 ± 0.73
ea25 1342 1342/1342 1342 ± 0.000004141 5.428 5.067/6.284 5.64 ± 0.6964
ea27 1342 1342/1342 1342 ± 0.000005397 5.069 4.775/6.034 5.197 ± 0.7833
ea28 1342 1342/1342 1342 ± 0 5.771 5.58/6.691 6.008 ± 0.6677
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 ± 0.00002349 5.12 4.901/5.313 5.101 ± 0.3129
5 1342 1342/1342 1342 ± 0.00002554 4.971 4.814/5.393 5.043 ± 0.3578
6 1342 1342/1342 1342 ± 0.00002349 5.021 4.83/5.356 5.083 ± 0.3104
7 1342 1342/1342 1342 ± 0.00002349 5.134 4.981/5.353 5.155 ± 0.3084
8 1342 1342/1342 1342 ± 0.00002349 5.107 4.942/5.373 5.157 ± 0.3502
9 1342 1342/1342 1342 ± 0.00002349 5.495 5.172/5.795 5.452 ± 0.3532
10 1342 1342/1342 1342 ± 0.00002349 5.977 5.716/6.127 5.913 ± 0.3603
11 1342 1342/1342 1342 ± 0.00002349 6.223 6.09/6.499 6.198 ± 0.3751
12 1342 1342/1342 1342 ± 0.00002349 6.427 6.189/6.554 6.348 ± 0.4387
13 1342 1342/1342 1342 ± 0.00002362 6.598 6.35/6.914 6.542 ± 0.5377
14 1342 1342/1342 1342 ± 0.00004202 5.012 4.697/5.364 5.17 ± 0.7016
15 1342 1342/1342 1342 ± 0.00002349 6.31 5.978/6.606 6.222 ± 0.542
16 1342 1342/1342 1342 ± 0.00006063 3.982 3.834/4.237 4.123 ± 0.4812
17 1342 1342/1342 1342 ± 0.0000607 3.892 3.742/4.09 4.002 ± 0.4162
datacolumn
residual_data
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-23 11:02:52.985
End
2025-07-23 11:51:38.522
Duration
0:48:45.537
Note, WebLog generation is not included in the time.

CASA logs for stage 8