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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 4.912 4.851/5.505 5.154 ± 0.396
ea02 1342 1342/1342 1342 ± 0 5.962 5.647/6.449 6.198 ± 0.5897
ea03 1342 1342/1342 1342 ± 0.000006459 6.048 5.469/6.642 6.103 ± 0.6434
ea04 1342 1342/1342 1342 ± 0.00001349 5.562 5.254/6.078 5.645 ± 0.5048
ea05 1342 1342/1342 1342 ± 0.000007987 5.684 5.381/6.492 5.92 ± 0.5934
ea06 1342 1342/1342 1342 ± 0.00001133 5.735 5.111/6.048 5.736 ± 0.5963
ea07 1342 1342/1342 1342 ± 0 5.687 5.281/6.236 5.884 ± 0.663
ea08 1342 1342/1342 1342 ± 0 6.161 5.725/6.811 6.341 ± 0.6188
ea09 1342 1342/1342 1342 ± 0.000001143 5.639 5.153/6.396 5.746 ± 0.5877
ea10 1342 1342/1342 1342 ± 0 5.357 5.153/6.018 5.553 ± 0.5454
ea11 1342 1342/1342 1342 ± 0.00004022 5.503 4.938/6.158 5.586 ± 0.6099
ea12 1342 1342/1342 1342 ± 0.00002863 5.429 5.323/6.23 5.71 ± 0.5443
ea13 1342 1342/1342 1342 ± 0 5.874 5.697/6.435 6.078 ± 0.6105
ea14 1342 1342/1342 1342 ± 0 5.96 5.601/6.533 6.116 ± 0.5426
ea15 1342 1342/1342 1342 ± 0.00002549 5.902 5.625/6.701 6.193 ± 0.6699
ea17 1342 1342/1342 1342 ± 0 5.914 5.757/6.941 6.227 ± 0.6695
ea18 1342 1342/1342 1342 ± 0 6.247 5.932/6.991 6.439 ± 0.6075
ea19 1342 1342/1342 1342 ± 0.00003075 5.624 5.384/6.485 5.913 ± 0.5802
ea20 1342 1342/1342 1342 ± 0 5.811 5.557/6.604 6.045 ± 0.5621
ea21 1342 1342/1342 1342 ± 0.000007906 5.343 5.123/5.843 5.521 ± 0.4866
ea22 1342 1342/1342 1342 ± 0 6.06 5.931/6.891 6.324 ± 0.6176
ea23 1342 1342/1342 1342 ± 0 5.696 5.439/6.293 5.937 ± 0.6292
ea24 1342 1342/1342 1342 ± 0 5.962 5.389/6.582 5.988 ± 0.5899
ea25 1342 1342/1342 1342 ± 0.000007309 6.389 5.665/6.829 6.383 ± 0.7566
ea28 1342 1342/1342 1342 ± 0 6.219 5.842/7.031 6.384 ± 0.6254
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 ± 0.00002393 5.555 5.321/5.698 5.508 ± 0.3039
5 1342 1342/1342 1342 ± 0.00002393 5.407 5.198/5.697 5.445 ± 0.3056
6 1342 1342/1342 1342 ± 0.00002393 5.278 5.047/5.546 5.282 ± 0.3107
7 1342 1342/1342 1342 ± 0.00002393 5.434 5.261/5.667 5.441 ± 0.2825
8 1342 1342/1342 1342 ± 0.00002393 5.347 5.191/5.606 5.373 ± 0.3028
9 1342 1342/1342 1342 ± 0.00002393 5.645 5.526/5.936 5.674 ± 0.3325
10 1342 1342/1342 1342 ± 0.00002393 6.172 5.976/6.318 6.099 ± 0.3086
11 1342 1342/1342 1342 ± 0.00002393 6.336 6.107/6.518 6.308 ± 0.3541
12 1342 1342/1342 1342 ± 0.00002393 6.485 6.225/6.666 6.451 ± 0.3744
13 1342 1342/1342 1342 ± 0.00002393 7.007 6.548/7.174 6.894 ± 0.4029
14 1342 1342/1342 1342 ± 0.00002393 7.026 6.657/7.373 6.972 ± 0.4552
15 1342 1342/1342 1342 ± 0.00002393 6.722 6.468/7.055 6.714 ± 0.3965
16 1342 1342/1342 1342 ± 0.00004319 5.717 5.424/6.048 5.717 ± 0.4331
17 1342 1342/1342 1342 ± 0.00003957 5.661 5.45/5.897 5.632 ± 0.3711
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-07-20 00:18:46.830
End
2025-07-20 01:28:23.054
Duration
1:09:36.224
Note, WebLog generation is not included in the time.

CASA logs for stage 8